DBA Meaning: What “Doing Business As” Is and How to File One

If customers know your business by a name that isn't your own legal name — or your LLC's registered name — you're probably dealing with a DBA. This guide explains the DBA meaning in plain terms, who has to file one, and where: the state, the county or both. It compares real filing fees and newspaper publication rules in California, Texas, Florida, New York, Illinois and Washington, then covers the practical side: opening a bank account, getting an EIN and deciding whether you need an LLC instead.

Quick answer

DBA means doing business as. It is a registered name you trade under that differs from your legal name — for example, Maria Lopez dba Sunrise Bakery. States also call it an assumed name, fictitious business name or trade name. Registering it is usually required, cheap, and does not create a company or protect your assets.

• Sole proprietors and partnerships usually file with the county; LLCs and corporations often with the state

• Fees run from $5 (Washington) to $50 (Florida) — plus newspaper ads in some states

• California and Illinois require newspaper publication after filing

• A DBA gives no liability protection and no exclusive right to the name

• Banks will ask for your DBA certificate to open an account in that name

What “doing business as” means

Every business has a legal name. For a sole proprietor, it is your own full name. For an LLC or corporation, it is the exact name on the formation documents filed with the state, including "LLC" or "Inc."

A DBA is any other name you use with the public: on your sign, website, invoices or checks. The legal name stays the same; the DBA is a public label attached to it. In legal documents you'll see both, written as Lopez Ventures LLC dba Sunrise Cafe.

States use different words for the same thing:

The SBA notes that registering a DBA doesn't give you legal protection on its own. Its job is consumer protection: anyone can look up who is really behind "Sunrise Bakery."

Who needs a DBA

You generally need to register a DBA if you trade under any name other than your legal name. Common cases:

• Sole proprietors using a brand name such as "Sunrise Bakery." Some states let you skip registration if the name includes your full legal name; others require it as soon as you add any other words, so check locally.
• General partnerships that use anything other than the partners' surnames.
• LLCs and corporations using a name different from their registered name — dropping the "LLC," shortening the name, or running a second brand.
• Businesses opening a bank account or accepting checks in a brand name. The bank will want proof the name belongs to you.

You usually don't need one if you trade only under your exact legal name or your entity's exact registered name.

Skipping it has consequences. In Florida, a business that fails to register can't bring a lawsuit in state court until it complies, and non-compliance is a noncriminal violation. Other states have similar rules, and an unregistered name can block you from enforcing a contract or collecting from a customer.

Where to file: state vs county

There is no federal DBA. Each state decides whether you file with the Secretary of State, the county clerk, a revenue department, or more than one. The pattern most states follow:

• Sole proprietors and general partnerships → county clerk in the county where you do business
• LLCs, corporations and limited partnerships → the state (Secretary of State or equivalent)

The exceptions matter. California sends everyone, including LLCs and corporations, to the county clerk. Florida and Washington run a single statewide registry for all business types. Texas changed its law in 2019 so entities that file at the state no longer also file at the county.

DBA filing and fees in six states (2026)

Where to file a DBA and what it costs

State	Who files where	Fee	Publication	Lasts
California	Everyone: county clerk (e.g. Los Angeles County)	$26 in LA County + $5 per extra name/owner	Yes — once a week for 4 consecutive weeks	5 years
Texas	Entities: Secretary of State (Form 503). Sole props & partnerships: county clerk	$25 at the state; county fees vary	No	Up to 10 years
Florida	Everyone: Division of Corporations (Sunbiz)	$50	Advertise once in a county newspaper before filing	5 years (to Dec 31 of the 5th year)
New York	Corporations & LLCs: Department of State. Sole props & partnerships: county clerk	$25 at the state; corporations add $25 per county ($100 per NYC county)	No	Check with the filing office
Illinois	Sole props & partnerships: county clerk (e.g. Cook County)	$50 in Cook County	Yes — once a week for 3 consecutive weeks	Check your county
Washington	Everyone: Business Licensing Service (Dept. of Revenue)	$5 per name + license application fee	No	No renewal needed

California

Who files where

Everyone: county clerk (e.g. Los Angeles County)

Fee

$26 in LA County + $5 per extra name/owner

Publication

Yes — once a week for 4 consecutive weeks

Lasts

5 years

Texas

Who files where

Entities: Secretary of State (Form 503). Sole props & partnerships: county clerk

Fee

$25 at the state; county fees vary

Publication

No

Lasts

Up to 10 years

Florida

Who files where

Everyone: Division of Corporations (Sunbiz)

Fee

$50

Publication

Advertise once in a county newspaper before filing

Lasts

5 years (to Dec 31 of the 5th year)

New York

Who files where

Corporations & LLCs: Department of State. Sole props & partnerships: county clerk

Fee

$25 at the state; corporations add $25 per county ($100 per NYC county)

Publication

No

Lasts

Check with the filing office

Illinois

Who files where

Sole props & partnerships: county clerk (e.g. Cook County)

Fee

$50 in Cook County

Publication

Yes — once a week for 3 consecutive weeks

Lasts

Check your county

Washington

Who files where

Everyone: Business Licensing Service (Dept. of Revenue)

Fee

$5 per name + license application fee

Publication

No

Lasts

No renewal needed

County fees outside these examples vary, so check your own county clerk's fee page before you file. In Texas, sole proprietors pay whatever their county clerk charges; in New York, sole proprietors pay the county clerk's own fee for a business certificate.

Newspaper publication: California, Illinois and Florida

A few states make you announce your DBA in a newspaper so the public can see who is behind it. Publication often costs more than the filing fee, so budget for it.

California. After you file a fictitious business name statement with the county, you must publish it in a newspaper of general circulation in that county once a week for 4 consecutive weeks. Publication must begin within 45 days of filing (Business and Professions Code §17917), and an affidavit of publication goes back to the county clerk within 30 days after the run ends. In Los Angeles County, the paper must be adjudicated for legal notices. Your statement expires after 5 years, and refiling restarts the process.

Illinois. County-level assumed name filings must be published once a week for 3 consecutive weeks in a local paper. In Cook County, the first notice must run within 15 days of registration and proof of publication is due within 50 days.

Florida. The order is reversed: you advertise your intention to register the name once in a newspaper in the county of your principal place of business, then certify that you did so when you register on Sunbiz.

New York doesn't require publication for a DBA. Don't confuse this with New York's separate publication requirement for newly formed LLCs, which our LLC registration guide covers.

How to file a DBA: step by step

Registering a DBA

1. 1

   Check the name is available and safe to use

   Search your state's business entity database and your county's DBA index, then run a federal trademark search. A DBA doesn't stop others using the name, but you can still be sued if your name infringes someone's trademark.

   Tip: Use our business name generator if your first choice is taken.

   Business name generator
2. 2

   Find out where your business type files

   County clerk for sole proprietors in most states; Secretary of State for LLCs and corporations in many states. California counties take everyone; Florida and Washington use one state registry.

3. 3

   Complete the form

   Expect to give the DBA name, the legal name of every owner (or the entity), the business address and the county. California and some others require notarized identity proof.

4. 4

   Pay the fee and file

   Many states and large counties accept online filing. Keep the stamped or certified copy — banks ask for it.

5. 5

   Publish, if your state requires it

   Hire an adjudicated newspaper for the legal notice and file the affidavit or proof of publication by the deadline.

6. 6

   Put a renewal date in your calendar

   California statements expire after five years; Florida registrations at the end of the fifth year. Missing a renewal can mean starting over.

DBA vs LLC: which do you need?

People often treat these as alternatives, but they do different jobs. A DBA is a name. An LLC is a legal entity that can own property, sign contracts and — if you keep finances separate — shield your personal assets from business debts.

DBA vs LLC at a glance

	DBA	LLC
What it is	A registered trade name	A separate legal entity
Liability protection	None	Yes, for business debts and claims
Typical cost	$5–$50 plus publication where required	$35 – $500 to form, plus annual fees in most states
Taxes	No change — owner reports as before	Single-member LLC taxed like a sole proprietor by default
Name protection	None	Blocks the same name in your state's entity registry
Can have the other?	—	Yes, an LLC can hold several DBAs

What it is

DBA

A registered trade name

LLC

A separate legal entity

Liability protection

DBA

None

LLC

Yes, for business debts and claims

Typical cost

DBA

$5–$50 plus publication where required

LLC

$35 – $500 to form, plus annual fees in most states

Taxes

DBA

No change — owner reports as before

LLC

Single-member LLC taxed like a sole proprietor by default

Name protection

DBA

None

LLC

Blocks the same name in your state's entity registry

Can have the other?

DBA

—

LLC

Yes, an LLC can hold several DBAs

For a side business with little risk, a sole proprietorship plus a DBA is the cheapest way to look professional. Once you have real exposure — employees, a lease, customers on site, contracts with penalties — an LLC is usually worth the fee. Our LLC vs sole proprietorship guide walks through that decision, and the LLC registration guide covers forming one.

Banking with a DBA

Banks won't let you deposit checks payable to "Sunrise Bakery" into an account in your personal name. To open a business account in the DBA name, expect to bring:

What the bank usually asks for

0/6

• Your filed DBA certificate or statement (certified or stamped copy)
• Government-issued photo ID for each owner or signer
• Your SSN or EIN — banks often prefer an EIN
• For an LLC or corporation: formation documents and the entity's EIN
• Proof of address for the business
• Ownership details for anyone owning 25% or more

Share Print

The SBA points out that a DBA together with an EIN lets you open a business bank account — the simplest step toward separating business and personal money, even if you never form an LLC.

DBAs and your EIN

A DBA doesn't change your tax identity. As a sole proprietor, you still report on Schedule C under your own name and Social Security number unless you have employees or another reason to need an EIN.

When you do apply for an EIN, the IRS asks for your legal name on line 1 of Form SS-4 and your trade name — your DBA — on line 2. A sole proprietor needs only one EIN no matter how many trade names they use. If you change your business name later, you don't need a new EIN; you write to the IRS to update the record. The EIN itself is Free ($0) — see our EIN application guide.

Use the same name consistently on tax returns, invoices and 1099s so payments match your records. Our free invoice generator lets you show both your legal name and your DBA on every invoice.

Official DBA filing offices

• SBA — Register your businessHow DBAs fit with entity registration
• Los Angeles County — Fictitious business namesFees, filing and publication
• Texas SOS — Name filings FAQsState vs county assumed names
• Florida Sunbiz — Fictitious namesStatewide registration
• New York DOS — Certificate of Assumed NameEntity filings and county fees
• Cook County Clerk — Assumed business namesIllinois county filing and publication
• Washington DOR — Register trade namesTrade names with your business license
• IRS — Instructions for Form SS-4Trade name on your EIN application

What to do next

Confirm where your business type files in your state, check the name is clear, and file before you print signs or open the bank account. Then line up the rest of your setup: city and state permits in our business license guide, and an LLC if you want liability protection.

This is general information, not legal or tax advice — confirm on the official source or with a professional.

Frequently asked questions

What does DBA mean in business?

DBA stands for doing business as. It is a name a person or company uses to trade that differs from its legal name — for example, Maria Lopez doing business as Sunrise Bakery, or Lopez Ventures LLC doing business as Sunrise Cafe. Depending on the state, it is also called an assumed name, fictitious business name or trade name. Registering it tells the public who is behind the name.

Does a DBA protect my business name?

No. Registering a DBA puts your name on a public list, but it does not stop someone else from using the same or a similar name. The SBA, Texas Secretary of State and Washington Department of Revenue all say so explicitly. For real protection, consider forming an entity with that name in your state or applying for a trademark with the U.S. Patent and Trademark Office.

Does a DBA protect my personal assets?

No. A DBA is just a name. A sole proprietor with a DBA is still personally responsible for every business debt and lawsuit, exactly as before. Only forming an entity such as an LLC or corporation creates a separate legal person that can shield your personal assets, and only when you keep business and personal money separate.

Do I need an EIN for a DBA?

Not necessarily. A sole proprietor with no employees can usually use their Social Security number, even with a DBA. You need an EIN if you hire employees, form a partnership, LLC or corporation, or meet other IRS triggers. Many banks prefer one for business accounts, and it is free from the IRS. Your DBA goes on line 2 of Form SS-4 as the trade name.

How much does a DBA cost?

It depends on the state and county. Examples: $26 in Los Angeles County plus newspaper publication, $50 with Florida's Division of Corporations, $25 for a Texas entity at the Secretary of State, $50 in Cook County, Illinois plus publication, and $5 per trade name in Washington. Newspaper publication, where required, often costs more than the filing itself.

Can an LLC have a DBA?

Yes. An LLC that wants to trade under a name other than its registered legal name files a DBA, usually with the state that formed it. One LLC can hold several DBAs, which is a cheap way to run different brands — such as a cleaning company and a pressure-washing service — under one entity, one tax return and one set of liability protections.

Sources & verification

Figures on this page were checked against the sources below when it was last reviewed on 7 October 2026. Each rate and limit is stored once with its own official source and review date, and official update channels are monitored daily so changes are picked up. How we verify

1. 1.Register your business — U.S. Small Business Administration · accessed 7 October 2026
2. 2.Instructions for Form SS-4 — IRS · accessed 7 October 2026
3. 3.Fictitious business names — filing requirements, fees and FAQ — Los Angeles County Registrar-Recorder/County Clerk · accessed 7 October 2026
4. 4.Florida Statutes 865.09 — Fictitious name registration — Florida Legislature · accessed 7 October 2026
5. 5.Name filings FAQs — Texas Secretary of State · accessed 7 October 2026
6. 6.Certificate of Assumed Name — domestic and foreign business corporations — New York Department of State · accessed 7 October 2026
7. 7.Business certificate for sole proprietorships and general partnerships — NYC Business (City of New York) · accessed 7 October 2026
8. 8.Assumed business name registration — Cook County Clerk · accessed 7 October 2026
9. 9.Register trade names — Washington State Department of Revenue · accessed 7 October 2026
10. 10.How to open a bank account with a DBA — Bizee · accessed 7 October 2026