Authority: Maryland State Department of Assessments and Taxation (SDAT), Charter DivisionSource: mgaleg.maryland.gov official record · retrieved Supporting excerptMaryland State Department of Assessments and Taxation (SDAT), Charter Division
Form:Trade Name Application (Registration)Source: dat.maryland.gov official record · retrieved Supporting excerpt-  and Instructions") ( click here to file online) - 
The governing law is Section 1-406 of the Corporations and Associations Article of the Maryland Code, and the filing office is the Charter Division of the State Department of Assessments and Taxation, usually shortened to SDAT.
Any person engaged in any mercantile, trading, or manufacturing business as an agent or doing business or trading under any designation, title, or name other than the person’s own name, prior to commencing operation of the business, shall file with the Department a certificate:
This section does not apply to any person who has filed a certificate similar to the certificate required under this section with the Department of Assessments and Taxation before July 1, 1991.
TRADE NAME AMENDMENT INSTRUCTIONS 1. Any changes from the original filing, other than the name of the Trade Name, must be made on this Amendment application with the filing fee of $25.00. No changes can be made on a renewal form other than the business location. 2. Regular processing time for submitted documents is about 4 to 6 weeks from receipt of document. Expedited processing requests will be responded to within 7 business days and require an additional $50.00 fee; other fees may also apply. 3. Make checks payable to the Department of Assessments and Taxation. Note: Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202. Please check the SDAT website for additional instructions regarding drop box submissions. 4. Mail form and check to Department of Assessments and Taxation, 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202. For same day service the expedite fee is $425.00. Same day filings for a trade name amendment may be hand delivered to the drop box by 10:00 am Monday-Friday. Fee must be paid by check or money order. No cash is accepted. 5. All blanks on the form must be completed and legible and the signature (s) must be original (no stamp, photocopy, or carbon copy). All current and new owners must sign. If owned by a corporate entity, an authorized title must be indicated next to the signature with the name of entity listed. The address (es) where name is used, and the owner’s address may be listed out of state and P.O. Box addresses are only accepted if used as part of the physical street address. 6. IMPORTANT: The original trade name cannot be changed by using this application. You must cancel the original name, pay the filing fee, $25.00 or more and register the new business name at $25.00. 7. If owner is deceased, change of marital status or change of personal name, attach a copy of death certificate, marriage license or court decree of name change.
Maryland’s statute covers a person engaged in a mercantile, trading or manufacturing business as an agent, or doing business under a designation, title or name other than the person’s own name. It requires the certificate before commencing operation. The statute excludes a person who filed a similar certificate with SDAT before July 1, 1991.
Any person engaged in any mercantile, trading, or manufacturing business as an agent or doing business or trading under any designation, title, or name other than the person’s own name, prior to commencing operation of the business, shall file with the Department a certificate:
This section does not apply to any person who has filed a certificate similar to the certificate required under this section with the Department of Assessments and Taxation before July 1, 1991.
SDAT's checklist for new businesses describes a trade name as the name by which a business is known to the public to distinguish it from another business or person.
Sole proprietorships and general partnerships otherwise require no legal entry formalities in Maryland beyond licensing and tax compliance, but the trade name statute still applies when they operate under a name that is not their own.
Any person engaged in any mercantile, trading, or manufacturing business as an agent or doing business or trading under any designation, title, or name other than the person’s own name, prior to commencing operation of the business, shall file with the Department a certificate:
This section does not apply to any person who has filed a certificate similar to the certificate required under this section with the Department of Assessments and Taxation before July 1, 1991.
-  and Instructions") ( click here to file online) - 
Official destination returned 200 for the cited document URL.
SDAT cautions on its application instructions that acceptance of a trade name does not confer any greater right to use the name, and that the Department checks the name only against other trade names already on file with the Department.
-  and Instructions") ( click here to file online) - 
Official destination returned 200 for the cited document URL.
Search existing names
Before filing, check the authority’s own records for the name you plan to use. This guide links to the official search; it does not run, proxy, or store searches.
What the search covers: Check the name on the business data search section of our web siteSource: dat.maryland.gov official record · retrieved Supporting excerptCheck the name on the business data search section of our web site – www.dat.maryland.gov.
Rules by legal entity type
Jump to the entity that already exists. Each section keeps its own authority, fee, exceptions, and official evidence.
Required: Yes, when the documented conditions apply.Source: mgaleg.maryland.gov official record · retrieved Supporting excerptAny person engaged in any mercantile, trading, or manufacturing business as an agent or doing business or trading under any designation, title, or name other than the person’s own name, prior to commencing operation of the business, shall file with the Department a certificate:
Authority: Maryland State Department of Assessments and Taxation (SDAT), Charter DivisionSource: mgaleg.maryland.gov official record · retrieved Supporting excerptMaryland State Department of Assessments and Taxation (SDAT), Charter Division
When this route applies: Any person engaged in any mercantile, trading, or manufacturing business as an agent or doing business or trading under any designation, title, or name other than the person’s own name, prior to commencing operation of the business, shall file with the Department a certificate:Source: mgaleg.maryland.gov official record · retrieved Supporting excerptAny person engaged in any mercantile, trading, or manufacturing business as an agent or doing business or trading under any designation, title, or name other than the person’s own name, prior to commencing operation of the business, shall file with the Department a certificate:
Official form: Trade Name Application (Registration)Source: dat.maryland.gov official record · retrieved Supporting excerpt-  and Instructions") ( click here to file online) - 
Form destination: https://dat.maryland.gov/SiteAssets/Pages/sdatforms/Trade%20Name%20Application%20%28Registration%29%20and%20Instructions_0826-A.pdfSource: dat.maryland.gov official record · retrieved Supporting excerptOfficial destination returned 200 for the cited document URL.
Online filing link: https://egov.maryland.gov/businessexpressSource: egov.maryland.gov official record · retrieved Supporting excerptOfficial destination title: Register Your Business Online | Maryland.gov
Effective duration: A certificate filed under this section is effective for a period of 5 years from the date the certificate is filed.Source: mgaleg.maryland.gov official record · retrieved Supporting excerptA certificate filed under this section is effective for a period of 5 years from the date the certificate is filed.
Renewal: Every 5 years following the year in which a certificate is filed or renewed, a person who has filed or renewed a certificate under this section may renew the certificate by filing, within 6 months before the end of the 5-year period, an application for renewal in the manner that the Department requires by regulation.Source: mgaleg.maryland.gov official record · retrieved Supporting excerptEvery 5 years following the year in which a certificate is filed or renewed, a person who has filed or renewed a certificate under this section may renew the certificate by filing, within 6 months before the end of the 5-year period, an application for renewal in the manner that the Department requires by regulation.
Changes or amendments: Any changes from the original filing, other than the name of the Trade Name, must be made on this Amendment application with the filing fee of $25.00.Source: dat.maryland.gov official record · retrieved Supporting excerptTRADE NAME AMENDMENT INSTRUCTIONS 1. Any changes from the original filing, other than the name of the Trade Name, must be made on this Amendment application with the filing fee of $25.00. No changes can be made on a renewal form other than the business location. 2. Regular processing time for submitted documents is about 4 to 6 weeks from receipt of document. Expedited processing requests will be responded to within 7 business days and require an additional $50.00 fee; other fees may also apply. 3. Make checks payable to the Department of Assessments and Taxation. Note: Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202. Please check the SDAT website for additional instructions regarding drop box submissions. 4. Mail form and check to Department of Assessments and Taxation, 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202. For same day service the expedite fee is $425.00. Same day filings for a trade name amendment may be hand delivered to the drop box by 10:00 am Monday-Friday. Fee must be paid by check or money order. No cash is accepted. 5. All blanks on the form must be completed and legible and the signature (s) must be original (no stamp, photocopy, or carbon copy). All current and new owners must sign. If owned by a corporate entity, an authorized title must be indicated next to the signature with the name of entity listed. The address (es) where name is used, and the owner’s address may be listed out of state and P.O. Box addresses are only accepted if used as part of the physical street address. 6. IMPORTANT: The original trade name cannot be changed by using this application. You must cancel the original name, pay the filing fee, $25.00 or more and register the new business name at $25.00. 7. If owner is deceased, change of marital status or change of personal name, attach a copy of death certificate, marriage license or court decree of name change.
Abandonment or cancellation: The original trade name cannot be changed by using this application. You must cancel the original name, pay the filing fee, $25.00 or more and register the new business name at $25.00.Source: dat.maryland.gov official record · retrieved Supporting excerptTRADE NAME AMENDMENT INSTRUCTIONS 1. Any changes from the original filing, other than the name of the Trade Name, must be made on this Amendment application with the filing fee of $25.00. No changes can be made on a renewal form other than the business location. 2. Regular processing time for submitted documents is about 4 to 6 weeks from receipt of document. Expedited processing requests will be responded to within 7 business days and require an additional $50.00 fee; other fees may also apply. 3. Make checks payable to the Department of Assessments and Taxation. Note: Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202. Please check the SDAT website for additional instructions regarding drop box submissions. 4. Mail form and check to Department of Assessments and Taxation, 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202. For same day service the expedite fee is $425.00. Same day filings for a trade name amendment may be hand delivered to the drop box by 10:00 am Monday-Friday. Fee must be paid by check or money order. No cash is accepted. 5. All blanks on the form must be completed and legible and the signature (s) must be original (no stamp, photocopy, or carbon copy). All current and new owners must sign. If owned by a corporate entity, an authorized title must be indicated next to the signature with the name of entity listed. The address (es) where name is used, and the owner’s address may be listed out of state and P.O. Box addresses are only accepted if used as part of the physical street address. 6. IMPORTANT: The original trade name cannot be changed by using this application. You must cancel the original name, pay the filing fee, $25.00 or more and register the new business name at $25.00. 7. If owner is deceased, change of marital status or change of personal name, attach a copy of death certificate, marriage license or court decree of name change.
Important exclusions: This section does not apply to any person who has filed a certificate similar to the certificate required under this section with the Department of Assessments and Taxation before July 1, 1991.Source: mgaleg.maryland.gov official record · retrieved Supporting excerptThis section does not apply to any person who has filed a certificate similar to the certificate required under this section with the Department of Assessments and Taxation before July 1, 1991.
Mail filing: Mail the completed form and check to: Charter Division Department of Assessments and Taxation 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202Source: dat.maryland.gov official record · retrieved Supporting excerptTRADE NAME APPLICATION INSTRUCTIONS General Information Registering this trade name will not guarantee acceptance by the Maryland Home Improvement Commission. Prior to registering the business name of a home improvement company with the Maryland State Department of Assessments and Taxation, an applicant is advised to contact the Home Improvement Commission at 410-230-6171 to ensure a specific name is available. 1. The fee is $25.00. Checks should be payable to: DEPARTMENT OF ASSESSMENTS AND TAXATION Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202. Please check the SDAT website for additional instructions regarding drop box submissions. Mail the completed form and check to: Charter Division Department of Assessments and Taxation 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202. 2. For same day service the expedite fee is $425.00. Same day filings may be submitted online or hand delivered to the drop box by 10:00 am Monday-Friday. Fees must be paid by check or money order. No cash is accepted. Please visit our online business registration portal to register your trade name: https://egov.maryland.gov/businessexpress 3. Trade name applications must be signed to be accepted. 4. If the name is available and all items on the form are completed, SDAT will accept the filing for record and an acknowledgement, with the filing date will be sent to the “Address of Owner” (unless otherwise stated), ordinarily within 4 weeks of acceptance. 5. This filing is effective for five years from the date of acceptance by SDAT. During the last six months of the period the filing may be renewed for an additional five years. If not renewed, the Department will forfeit the trade name and a new application must be filed. NOTICE: Acceptance of a trade name application does not confer on the owner any greater right to use the name than he otherwise already has. The Department checks the name only against other trade names filed with this Department. Federal trademarks, State service marks, records in other states and trade names are not meant to reserve the name for its owners, to act as a trademark filing or to confer on the owner any greater right to the name than he already possesses. For further information, contact your lawyer, accountant or financial advisor. HOW TO COMPLETE TRADE NAME APPLICATION All blanks on the form must be typed or printed legibly, with black ink, with an original signature (no stamps, photocopies or carbon copy). Numbers correspond to item numbers on the trade name application: 1. TRADE NAME – Only one trade name may appear on this line. To file more than one trade name, complete a separate application for each and send separate checks. No trade name may contain a term that implies it is a type of entity that it is not (i.e., if the owner is an individual, “Inc.” cannot be in the trade name). Check the name on the business data search section of our web site – www.dat.maryland.gov. 2. STREET ADDRESS(ES) WHERE NAME IS USED – List the full address, including street address, city, state and zip code. Post office box number is only accepted when part of the physical address. Out-of-state addresses are acceptable. 3. FULL NAME OF LEGAL ENTITY OR INDIVIDUAL USING THE TRADE NAME – Legal entities may be owners of the trade name. If the legal entity is the owner, the legal entity must be registered with MD Dept of Assessments and Taxation. If there is more than one owner, attach an additional sheet listing each owner with Rev. 08/2026
In-person filing: Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202.Source: dat.maryland.gov official record · retrieved Supporting excerptTRADE NAME AMENDMENT INSTRUCTIONS 1. Any changes from the original filing, other than the name of the Trade Name, must be made on this Amendment application with the filing fee of $25.00. No changes can be made on a renewal form other than the business location. 2. Regular processing time for submitted documents is about 4 to 6 weeks from receipt of document. Expedited processing requests will be responded to within 7 business days and require an additional $50.00 fee; other fees may also apply. 3. Make checks payable to the Department of Assessments and Taxation. Note: Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202. Please check the SDAT website for additional instructions regarding drop box submissions. 4. Mail form and check to Department of Assessments and Taxation, 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202. For same day service the expedite fee is $425.00. Same day filings for a trade name amendment may be hand delivered to the drop box by 10:00 am Monday-Friday. Fee must be paid by check or money order. No cash is accepted. 5. All blanks on the form must be completed and legible and the signature (s) must be original (no stamp, photocopy, or carbon copy). All current and new owners must sign. If owned by a corporate entity, an authorized title must be indicated next to the signature with the name of entity listed. The address (es) where name is used, and the owner’s address may be listed out of state and P.O. Box addresses are only accepted if used as part of the physical street address. 6. IMPORTANT: The original trade name cannot be changed by using this application. You must cancel the original name, pay the filing fee, $25.00 or more and register the new business name at $25.00. 7. If owner is deceased, change of marital status or change of personal name, attach a copy of death certificate, marriage license or court decree of name change.
How to file through the authority
Maryland offers both an online and a paper path, and both are run by SDAT itself.
Official destination title: Register Your Business Online | Maryland.gov
The online route is Maryland Business Express at egov.maryland.gov/businessexpress, which the Trade Name Application instructions identify as the Department's online business registration portal for registering a trade name.
-  and Instructions") ( click here to file online) - 
Official destination title: Register Your Business Online | Maryland.gov
The paper route is the Trade Name Application (Registration) form, whose instructions state a filing fee of $25.00, with checks made payable to the Department of Assessments and Taxation.
Any person engaged in any mercantile, trading, or manufacturing business as an agent or doing business or trading under any designation, title, or name other than the person’s own name, prior to commencing operation of the business, shall file with the Department a certificate:
This section does not apply to any person who has filed a certificate similar to the certificate required under this section with the Department of Assessments and Taxation before July 1, 1991.
-  and Instructions") ( click here to file online) - 
Official destination returned 200 for the cited document URL.
The completed form and check are mailed to the Charter Division, Department of Assessments and Taxation, 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202, and hard-copy filings may instead be hand delivered to drop boxes SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202.
-  and Instructions") ( click here to file online) - 
Official destination returned 200 for the cited document URL.
TRADE NAME APPLICATION INSTRUCTIONS General Information Registering this trade name will not guarantee acceptance by the Maryland Home Improvement Commission. Prior to registering the business name of a home improvement company with the Maryland State Department of Assessments and Taxation, an applicant is advised to contact the Home Improvement Commission at 410-230-6171 to ensure a specific name is available. 1. The fee is $25.00. Checks should be payable to: DEPARTMENT OF ASSESSMENTS AND TAXATION Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202. Please check the SDAT website for additional instructions regarding drop box submissions. Mail the completed form and check to: Charter Division Department of Assessments and Taxation 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202. 2. For same day service the expedite fee is $425.00. Same day filings may be submitted online or hand delivered to the drop box by 10:00 am Monday-Friday. Fees must be paid by check or money order. No cash is accepted. Please visit our online business registration portal to register your trade name: https://egov.maryland.gov/businessexpress 3. Trade name applications must be signed to be accepted. 4. If the name is available and all items on the form are completed, SDAT will accept the filing for record and an acknowledgement, with the filing date will be sent to the “Address of Owner” (unless otherwise stated), ordinarily within 4 weeks of acceptance. 5. This filing is effective for five years from the date of acceptance by SDAT. During the last six months of the period the filing may be renewed for an additional five years. If not renewed, the Department will forfeit the trade name and a new application must be filed. NOTICE: Acceptance of a trade name application does not confer on the owner any greater right to use the name than he otherwise already has. The Department checks the name only against other trade names filed with this Department. Federal trademarks, State service marks, records in other states and trade names are not meant to reserve the name for its owners, to act as a trademark filing or to confer on the owner any greater right to the name than he already possesses. For further information, contact your lawyer, accountant or financial advisor. HOW TO COMPLETE TRADE NAME APPLICATION All blanks on the form must be typed or printed legibly, with black ink, with an original signature (no stamps, photocopies or carbon copy). Numbers correspond to item numbers on the trade name application: 1. TRADE NAME – Only one trade name may appear on this line. To file more than one trade name, complete a separate application for each and send separate checks. No trade name may contain a term that implies it is a type of entity that it is not (i.e., if the owner is an individual, “Inc.” cannot be in the trade name). Check the name on the business data search section of our web site – www.dat.maryland.gov. 2. STREET ADDRESS(ES) WHERE NAME IS USED – List the full address, including street address, city, state and zip code. Post office box number is only accepted when part of the physical address. Out-of-state addresses are acceptable. 3. FULL NAME OF LEGAL ENTITY OR INDIVIDUAL USING THE TRADE NAME – Legal entities may be owners of the trade name. If the legal entity is the owner, the legal entity must be registered with MD Dept of Assessments and Taxation. If there is more than one owner, attach an additional sheet listing each owner with Rev. 08/2026
TRADE NAME AMENDMENT INSTRUCTIONS 1. Any changes from the original filing, other than the name of the Trade Name, must be made on this Amendment application with the filing fee of $25.00. No changes can be made on a renewal form other than the business location. 2. Regular processing time for submitted documents is about 4 to 6 weeks from receipt of document. Expedited processing requests will be responded to within 7 business days and require an additional $50.00 fee; other fees may also apply. 3. Make checks payable to the Department of Assessments and Taxation. Note: Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202. Please check the SDAT website for additional instructions regarding drop box submissions. 4. Mail form and check to Department of Assessments and Taxation, 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202. For same day service the expedite fee is $425.00. Same day filings for a trade name amendment may be hand delivered to the drop box by 10:00 am Monday-Friday. Fee must be paid by check or money order. No cash is accepted. 5. All blanks on the form must be completed and legible and the signature (s) must be original (no stamp, photocopy, or carbon copy). All current and new owners must sign. If owned by a corporate entity, an authorized title must be indicated next to the signature with the name of entity listed. The address (es) where name is used, and the owner’s address may be listed out of state and P.O. Box addresses are only accepted if used as part of the physical street address. 6. IMPORTANT: The original trade name cannot be changed by using this application. You must cancel the original name, pay the filing fee, $25.00 or more and register the new business name at $25.00. 7. If owner is deceased, change of marital status or change of personal name, attach a copy of death certificate, marriage license or court decree of name change.
The form's instructions list an expedited fee of an additional $50.00, for a total of $75.00 for expedited service, and a $425.00 expedite fee for same-day service, with same-day filings submitted online or hand delivered to the drop box by 10:00 am Monday through Friday; fees must be paid by check or money order and no cash is accepted.
-  and Instructions") ( click here to file online) - 
TRADE NAME AMENDMENT INSTRUCTIONS 1. Any changes from the original filing, other than the name of the Trade Name, must be made on this Amendment application with the filing fee of $25.00. No changes can be made on a renewal form other than the business location. 2. Regular processing time for submitted documents is about 4 to 6 weeks from receipt of document. Expedited processing requests will be responded to within 7 business days and require an additional $50.00 fee; other fees may also apply. 3. Make checks payable to the Department of Assessments and Taxation. Note: Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202. Please check the SDAT website for additional instructions regarding drop box submissions. 4. Mail form and check to Department of Assessments and Taxation, 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202. For same day service the expedite fee is $425.00. Same day filings for a trade name amendment may be hand delivered to the drop box by 10:00 am Monday-Friday. Fee must be paid by check or money order. No cash is accepted. 5. All blanks on the form must be completed and legible and the signature (s) must be original (no stamp, photocopy, or carbon copy). All current and new owners must sign. If owned by a corporate entity, an authorized title must be indicated next to the signature with the name of entity listed. The address (es) where name is used, and the owner’s address may be listed out of state and P.O. Box addresses are only accepted if used as part of the physical street address. 6. IMPORTANT: The original trade name cannot be changed by using this application. You must cancel the original name, pay the filing fee, $25.00 or more and register the new business name at $25.00. 7. If owner is deceased, change of marital status or change of personal name, attach a copy of death certificate, marriage license or court decree of name change.
Only one trade name may appear on an application, electronic signatures are acceptable, and applicants registering a name for a home improvement company are directed to contact the Home Improvement Commission first to confirm the name is available.
Any person engaged in any mercantile, trading, or manufacturing business as an agent or doing business or trading under any designation, title, or name other than the person’s own name, prior to commencing operation of the business, shall file with the Department a certificate:
This section does not apply to any person who has filed a certificate similar to the certificate required under this section with the Department of Assessments and Taxation before July 1, 1991.
-  and Instructions") ( click here to file online) - 
-  and Instructions") ( click here to file online) - 
A certificate filed under this section is effective for a period of 5 years from the date the certificate is filed.
Every 5 years following the year in which a certificate is filed or renewed, a person who has filed or renewed a certificate under this section may renew the certificate by filing, within 6 months before the end of the 5-year period, an application for renewal in the manner that the Department requires by regulation.
Within 6 months before the end of the 5-year period, the registrant may renew by filing a renewal application in the manner the Department requires by regulation, and a renewal extends the certificate for 5 years from the end of the previous period.
Maryland State Department of Assessments and Taxation (SDAT), Charter Division
A certificate filed under this section is effective for a period of 5 years from the date the certificate is filed.
Every 5 years following the year in which a certificate is filed or renewed, a person who has filed or renewed a certificate under this section may renew the certificate by filing, within 6 months before the end of the 5-year period, an application for renewal in the manner that the Department requires by regulation.
-  and Instructions") ( click here to file online) - 
Maryland State Department of Assessments and Taxation (SDAT), Charter Division
A certificate filed under this section is effective for a period of 5 years from the date the certificate is filed.
Every 5 years following the year in which a certificate is filed or renewed, a person who has filed or renewed a certificate under this section may renew the certificate by filing, within 6 months before the end of the 5-year period, an application for renewal in the manner that the Department requires by regulation.
-  and Instructions") ( click here to file online) - 
Official destination returned 200 for the cited document URL.
Changes to an existing registration are handled on SDAT's Trade Name Amendment Application: the instructions state that any changes from the original filing, other than the name of the trade name, must be made on the amendment application with a filing fee of $25.00, and that no changes can be made on a renewal form other than the business location.
-  and Instructions") ( click here to file online) - 
A certificate filed under this section is effective for a period of 5 years from the date the certificate is filed.
Every 5 years following the year in which a certificate is filed or renewed, a person who has filed or renewed a certificate under this section may renew the certificate by filing, within 6 months before the end of the 5-year period, an application for renewal in the manner that the Department requires by regulation.
TRADE NAME AMENDMENT INSTRUCTIONS 1. Any changes from the original filing, other than the name of the Trade Name, must be made on this Amendment application with the filing fee of $25.00. No changes can be made on a renewal form other than the business location. 2. Regular processing time for submitted documents is about 4 to 6 weeks from receipt of document. Expedited processing requests will be responded to within 7 business days and require an additional $50.00 fee; other fees may also apply. 3. Make checks payable to the Department of Assessments and Taxation. Note: Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202. Please check the SDAT website for additional instructions regarding drop box submissions. 4. Mail form and check to Department of Assessments and Taxation, 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202. For same day service the expedite fee is $425.00. Same day filings for a trade name amendment may be hand delivered to the drop box by 10:00 am Monday-Friday. Fee must be paid by check or money order. No cash is accepted. 5. All blanks on the form must be completed and legible and the signature (s) must be original (no stamp, photocopy, or carbon copy). All current and new owners must sign. If owned by a corporate entity, an authorized title must be indicated next to the signature with the name of entity listed. The address (es) where name is used, and the owner’s address may be listed out of state and P.O. Box addresses are only accepted if used as part of the physical street address. 6. IMPORTANT: The original trade name cannot be changed by using this application. You must cancel the original name, pay the filing fee, $25.00 or more and register the new business name at $25.00. 7. If owner is deceased, change of marital status or change of personal name, attach a copy of death certificate, marriage license or court decree of name change.
The trade name itself cannot be changed by amendment — the instructions direct the filer to cancel the original name, pay the filing fee of $25.00 or more, and register the new business name at $25.00.
TRADE NAME AMENDMENT INSTRUCTIONS 1. Any changes from the original filing, other than the name of the Trade Name, must be made on this Amendment application with the filing fee of $25.00. No changes can be made on a renewal form other than the business location. 2. Regular processing time for submitted documents is about 4 to 6 weeks from receipt of document. Expedited processing requests will be responded to within 7 business days and require an additional $50.00 fee; other fees may also apply. 3. Make checks payable to the Department of Assessments and Taxation. Note: Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202. Please check the SDAT website for additional instructions regarding drop box submissions. 4. Mail form and check to Department of Assessments and Taxation, 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202. For same day service the expedite fee is $425.00. Same day filings for a trade name amendment may be hand delivered to the drop box by 10:00 am Monday-Friday. Fee must be paid by check or money order. No cash is accepted. 5. All blanks on the form must be completed and legible and the signature (s) must be original (no stamp, photocopy, or carbon copy). All current and new owners must sign. If owned by a corporate entity, an authorized title must be indicated next to the signature with the name of entity listed. The address (es) where name is used, and the owner’s address may be listed out of state and P.O. Box addresses are only accepted if used as part of the physical street address. 6. IMPORTANT: The original trade name cannot be changed by using this application. You must cancel the original name, pay the filing fee, $25.00 or more and register the new business name at $25.00. 7. If owner is deceased, change of marital status or change of personal name, attach a copy of death certificate, marriage license or court decree of name change.
The statute sets the same price for all of these actions: $25 for each amendment, cancellation, or renewal of a certificate.
-  and Instructions") ( click here to file online) - 
A certificate filed under this section is effective for a period of 5 years from the date the certificate is filed.
Every 5 years following the year in which a certificate is filed or renewed, a person who has filed or renewed a certificate under this section may renew the certificate by filing, within 6 months before the end of the 5-year period, an application for renewal in the manner that the Department requires by regulation.
TRADE NAME AMENDMENT INSTRUCTIONS 1. Any changes from the original filing, other than the name of the Trade Name, must be made on this Amendment application with the filing fee of $25.00. No changes can be made on a renewal form other than the business location. 2. Regular processing time for submitted documents is about 4 to 6 weeks from receipt of document. Expedited processing requests will be responded to within 7 business days and require an additional $50.00 fee; other fees may also apply. 3. Make checks payable to the Department of Assessments and Taxation. Note: Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202. Please check the SDAT website for additional instructions regarding drop box submissions. 4. Mail form and check to Department of Assessments and Taxation, 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202. For same day service the expedite fee is $425.00. Same day filings for a trade name amendment may be hand delivered to the drop box by 10:00 am Monday-Friday. Fee must be paid by check or money order. No cash is accepted. 5. All blanks on the form must be completed and legible and the signature (s) must be original (no stamp, photocopy, or carbon copy). All current and new owners must sign. If owned by a corporate entity, an authorized title must be indicated next to the signature with the name of entity listed. The address (es) where name is used, and the owner’s address may be listed out of state and P.O. Box addresses are only accepted if used as part of the physical street address. 6. IMPORTANT: The original trade name cannot be changed by using this application. You must cancel the original name, pay the filing fee, $25.00 or more and register the new business name at $25.00. 7. If owner is deceased, change of marital status or change of personal name, attach a copy of death certificate, marriage license or court decree of name change.
Publication and notice
Publication could not be confirmed for all covered entity types. No requirement or exemption is asserted.
Next steps: self-file first
Check whether the name you want is already taken using the business data search on SDAT's website at dat.maryland.gov, then file directly with the Department — either online through Maryland Business Express at egov.maryland.gov/businessexpress, or by downloading the Trade Name Application (Registration) and its instructions and mailing the completed form with a $25.00 check to the Charter Division at 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202.
-  and Instructions") ( click here to file online) - 
Official destination returned 200 for the cited document URL.
TRADE NAME APPLICATION INSTRUCTIONS General Information Registering this trade name will not guarantee acceptance by the Maryland Home Improvement Commission. Prior to registering the business name of a home improvement company with the Maryland State Department of Assessments and Taxation, an applicant is advised to contact the Home Improvement Commission at 410-230-6171 to ensure a specific name is available. 1. The fee is $25.00. Checks should be payable to: DEPARTMENT OF ASSESSMENTS AND TAXATION Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202. Please check the SDAT website for additional instructions regarding drop box submissions. Mail the completed form and check to: Charter Division Department of Assessments and Taxation 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202. 2. For same day service the expedite fee is $425.00. Same day filings may be submitted online or hand delivered to the drop box by 10:00 am Monday-Friday. Fees must be paid by check or money order. No cash is accepted. Please visit our online business registration portal to register your trade name: https://egov.maryland.gov/businessexpress 3. Trade name applications must be signed to be accepted. 4. If the name is available and all items on the form are completed, SDAT will accept the filing for record and an acknowledgement, with the filing date will be sent to the “Address of Owner” (unless otherwise stated), ordinarily within 4 weeks of acceptance. 5. This filing is effective for five years from the date of acceptance by SDAT. During the last six months of the period the filing may be renewed for an additional five years. If not renewed, the Department will forfeit the trade name and a new application must be filed. NOTICE: Acceptance of a trade name application does not confer on the owner any greater right to use the name than he otherwise already has. The Department checks the name only against other trade names filed with this Department. Federal trademarks, State service marks, records in other states and trade names are not meant to reserve the name for its owners, to act as a trademark filing or to confer on the owner any greater right to the name than he already possesses. For further information, contact your lawyer, accountant or financial advisor. HOW TO COMPLETE TRADE NAME APPLICATION All blanks on the form must be typed or printed legibly, with black ink, with an original signature (no stamps, photocopies or carbon copy). Numbers correspond to item numbers on the trade name application: 1. TRADE NAME – Only one trade name may appear on this line. To file more than one trade name, complete a separate application for each and send separate checks. No trade name may contain a term that implies it is a type of entity that it is not (i.e., if the owner is an individual, “Inc.” cannot be in the trade name). Check the name on the business data search section of our web site – www.dat.maryland.gov. 2. STREET ADDRESS(ES) WHERE NAME IS USED – List the full address, including street address, city, state and zip code. Post office box number is only accepted when part of the physical address. Out-of-state addresses are acceptable. 3. FULL NAME OF LEGAL ENTITY OR INDIVIDUAL USING THE TRADE NAME – Legal entities may be owners of the trade name. If the legal entity is the owner, the legal entity must be registered with MD Dept of Assessments and Taxation. If there is more than one owner, attach an additional sheet listing each owner with Rev. 08/2026
TRADE NAME AMENDMENT INSTRUCTIONS 1. Any changes from the original filing, other than the name of the Trade Name, must be made on this Amendment application with the filing fee of $25.00. No changes can be made on a renewal form other than the business location. 2. Regular processing time for submitted documents is about 4 to 6 weeks from receipt of document. Expedited processing requests will be responded to within 7 business days and require an additional $50.00 fee; other fees may also apply. 3. Make checks payable to the Department of Assessments and Taxation. Note: Filings submitted in hard copy may be hand delivered to drop boxes that SDAT maintains in the building lobby at 123 Market Place, Baltimore, MD 21202. Please check the SDAT website for additional instructions regarding drop box submissions. 4. Mail form and check to Department of Assessments and Taxation, 700 East Pratt Street, Suite 2700, Baltimore, Maryland 21202. For same day service the expedite fee is $425.00. Same day filings for a trade name amendment may be hand delivered to the drop box by 10:00 am Monday-Friday. Fee must be paid by check or money order. No cash is accepted. 5. All blanks on the form must be completed and legible and the signature (s) must be original (no stamp, photocopy, or carbon copy). All current and new owners must sign. If owned by a corporate entity, an authorized title must be indicated next to the signature with the name of entity listed. The address (es) where name is used, and the owner’s address may be listed out of state and P.O. Box addresses are only accepted if used as part of the physical street address. 6. IMPORTANT: The original trade name cannot be changed by using this application. You must cancel the original name, pay the filing fee, $25.00 or more and register the new business name at $25.00. 7. If owner is deceased, change of marital status or change of personal name, attach a copy of death certificate, marriage license or court decree of name change.
If you are registering a name for a home improvement company, contact the Maryland Home Improvement Commission first, as the application instructions direct.
Any person engaged in any mercantile, trading, or manufacturing business as an agent or doing business or trading under any designation, title, or name other than the person’s own name, prior to commencing operation of the business, shall file with the Department a certificate:
This section does not apply to any person who has filed a certificate similar to the certificate required under this section with the Department of Assessments and Taxation before July 1, 1991.
-  and Instructions") ( click here to file online) - 
Official destination returned 200 for the cited document URL.
Remember that a trade name registration is a public notice filing and does not by itself give you exclusive rights to the name; brand protection is a separate trademark question.