You can’t operate a business in Maryland under a name that is not your legal name unless you file a DBA in Maryland. In Maryland, a DBA is referred to as a trade name. Whether you are a freelancer, an LLC launching a new product, or a sole proprietor establishing a business, a DBA trade name will provide you with the professional identity you’re after. In this guide, you will find detailed instructions with renewal deadlines, filing fees, and naming rules in Maryland.

What Does It Mean to File a DBA in Maryland?

Filing a DBA is short for “doing business as”  a name under which a business publicly operates that is different from its legal name. When you file a DBA in Maryland, you are letting the state and your potential customers know the name of your business.

For instance, if James Carter, a sole proprietor, wants to name his business “Capital Home Repairs” rather than his legal name, he must file a trade name with the SDAT of Maryland.

Maryland Trade Name vs. Assumed Name: What’s the Difference?

Maryland uses two seemingly interchangeable terms that can confuse entrepreneurs:

Term	Applies To
Trade Name	Businesses formed in Maryland
Assumed Name	Businesses formed in other states

Both allow alternate names for business operations, but the correct form differs. This guide covers trade names for businesses formed in Maryland.

Do You Actually Need to File a DBA in Maryland?

Maryland law requires trade names to be registered with the SDAT. Enforcement varies, but avoiding registration can lead to serious consequences:

• A competing business registers your preferred name before you do
• Banks refuse to open a business account under an unregistered trade name
•  Your business may be reported as “not in good standing,” which could cause it to lose its operating privileges

For any business that prioritizes its brand, registering a trade name is strongly recommended.

Who Can File a DBA in Maryland?

The following business types can register trade names via the SDAT:

• Sole proprietorships: the most popular registration; without it, a person’s legal name becomes the business name
• General partnerships
• Limited liability companies (LLCs)
• Corporations
• Foreign businesses: must file an assumed name instead of a trade name

Your business must be registered with SDAT and have an active Department ID before submitting a trade name application.

Real Reasons Maryland Entrepreneurs Register a DBA

Beyond legal compliance, here is what registering a trade name means to business owners:

• Building credibility: a trade name builds trust with clients, vendors, and lenders
• Business banking: a trade name must be registered to open a dedicated business bank account
• Flexibility: allows a business to expand or grow a service line without restructuring
• Marketing alignment: match your business name to your website and social media accounts
• Multiple ventures: one LLC can file multiple DBAs to operate different businesses under a single entity

Limitations of a Maryland DBA You Should Know Before Filing

A DBA is a solution to a naming problem, not a legal one. Here is what it cannot address:

• No liability protection: only an LLC or corporation shields personal assets from business debts
• No exclusive naming rights: other businesses can still operate under the same name in practice
• No trademark protection: federal USPTO registration is required for intellectual property rights
• No change to legal documents: contracts and tax filings must still use your legal business name

Maryland DBA Name Rules: What You Can and Can’t Use

Before committing to a name, ensure it adheres to Maryland law.

Do not register a name that includes:

• Financial terms such as bank, credit union, or trust
• Language implying government affiliation, such as treasury, federal, or state department
• An entity designator that does not apply to a sole proprietor cannot use LLC, Inc., Corp., or Limited
• Anything that misrepresents the nature of your business

Note: Home improvement businesses must also get approval from the Maryland Home Improvement Commission before filing a DBA with SDAT.

How to Search for Available DBA Names in Maryland

Before submitting your application, complete these three checks:

• Maryland Business Express Name Search: confirm the name is not already registered with SDAT
• Maryland Secretary of State Trademarks Search: check for state-level trademark conflicts
• USPTO Trademark Database: search for federal trademark protections

Since not all businesses register their names, conflicts can still exist. Run a general online search to catch anything official databases may miss.

How to File a DBA in Maryland: Step-by-Step

• Confirm SDAT registration: ensure your business has an active Department ID (L Number)
• Complete a name availability search: using the tools above
• Obtain the Trade Name Application from Maryland Business Express
• Complete the application:  include the trade name, business street address, legal business name, SDAT ID, business description, and owner address(es) and signature(s)
• Submit and pay: using your preferred filing method

Maryland DBA Filing Fees and Processing Times

Option	Fee	Processing Time
Standard	$25	Up to 4 weeks
Expedited	$75	Within 10 business days
Same-day (in-person)	$450	Within 3 hours (by 2:30 PM)

All online submissions through Maryland Business Express receive expedited processing by default.

Filing Your Maryland DBA Online vs. by Mail vs. In Person

• Online: The quickest route. Log in to Maryland Business Express, fill out the trade name form, and pay. All online filings are processed as expedited.
• By Mail: Complete the application and make a check payable to “Department of Assessments and Taxation.” Send to:> 301 W. Preston Street, Room 801, Baltimore, MD 21201
• In Person: Drop off your application at the SDAT lobby at 301 West Preston Street, Baltimore. Same-day processing is available for an additional $425 if submitted before 2:30 PM.

What Happens After You File a DBA in Maryland?

SDAT sends a formal acceptance notice to the address you provided, usually within four weeks for standard filings. Approval is not guaranteed. Applications can be rejected if your name is too similar to an existing registration or if the form is incomplete. Review the rejection notice, make adjustments, and resubmit. Once accepted, you can operate, advertise, and open bank accounts under your trade name.

How to Renew, Amend, or Cancel Your Maryland DBA

A Maryland trade name is valid for five years. Manage it after filing using these options:

Action	Method	Fee
Renew	Maryland Business Express	$25
Amend	Online or Trade Name Amendment Application	$25
Cancel	Online or Trade Name Cancellation Application	$25

Renew in the last six months of the five-year period. If you fail to do so, SDAT will cancel your name, and you must start a new application.

Maryland DBA vs. LLC: Which One Should You Choose?

Feature	DBA	LLC
Creates a legal entity	✗	✓
Protects personal assets	✗	✓
Allows alternate name	✓	✓
Filing cost	$25	~$100+
Separate tax return	✗	Depends

A DBA works when you need a professional name fast. However, if you want laws protecting your personal assets from business debts, forming an LLC is the smarter long-term solution. A DBA and an LLC are not mutually exclusive; you can operate your DBA under your existing LLC.

Tax and Banking Considerations When You File a DBA in Maryland

• Taxes: There is no structural tax change once you register a DBA. An owner still reports business income on their individual tax return and does not need a new EIN.
• Banking: Most banks will open an account under your trade name only after you provide your SDAT acceptance letter, so keep it handy.
• Sales tax:  If you sell taxable goods or services in Maryland, you may need a sales tax license from the Maryland Comptroller’s Office.

Frequently Asked Questions About Filing a DBA in Maryland

How long is a Maryland DBA valid?

Five years. Submit your renewal in the last six months before expiration.

Can I have more than one DBA?

Yes, as long as you submit separate applications and pay the $25 fee for each.

Do I need a new EIN for my DBA?

No. Use your current EIN or SSN if you are a sole proprietor.

Can I sign legal contracts under my DBA?

No. Your legal business name is required on contracts and official documents.

Should I trademark my DBA?

Yes. State registration only protects your name within Maryland’s registry. A USPTO trademark extends protection nationwide.

What if the name I want is already taken?

If unregistered as a trademark, you may still file in Maryland, but disputes can arise. If federally trademarked, choose a different name and seek legal advice.

It’s affordable and straightforward to register a DBA in Maryland, and doing so can give your business strong name recognition. For only $25, you can register a trade name and take the first step toward a stronger, more professional service.