To register a business name, choose your legal structure, confirm the name is available in your state, prepare the right formation or assumed-name paperwork, and file it with the Secretary of State (or in some cases the county clerk) along with a fee that typically runs between $35 and $500. Most states let you do the whole thing online in a single sitting. The details change based on whether you’re forming an LLC or corporation, or operating as a sole proprietor under a name that isn’t your own.
Decide What You’re Actually Registering
Every business has a legal name. For a sole proprietor, that’s your full personal name. For a general partnership, it’s the partners’ names. For an LLC or corporation, the legal name is whatever appears on your articles of organization or articles of incorporation.
A “doing business as” name (also called a DBA, trade name, or fictitious name) lets you operate under something other than your legal name. A freelance web designer named Sarah Chen might register “Brightpixel Design” as a DBA so her invoices carry a marketable brand while her tax filings run through her personal name. LLCs and corporations file DBAs too, often for product lines or subsidiary brands that don’t match the parent entity’s legal name. The filing creates a public record linking the trade name to the real owner behind it.
So before anything else, settle two questions: are you forming a new legal entity (LLC, corporation, partnership) or operating as a sole proprietor, and will you trade under your legal name or a different one? That answers which form you file.
Check Whether the Name Is Available
Search before you file. Paying a fee only to get rejected is avoidable, and building a brand around a name you later have to abandon is worse.
Start with your state’s business entity database, which almost always lives on the Secretary of State’s website. The search is free and covers corporations, LLCs, and limited partnerships. If you’re registering a DBA as a sole proprietor or general partnership, check the county clerk’s office too, since some states handle those filings locally rather than at the state level.
Next, run the name through the USPTO’s federal trademark database.1United States Patent and Trademark Office. Search Our Trademark Database A name can clear your state’s business registry and still infringe a federal trademark, which exposes you to a lawsuit from the trademark holder no matter where they’re based.
Check domain availability while you’re there. It isn’t a legal requirement, but discovering the .com belongs to a competitor after you’ve filed is an expensive problem a five-minute search prevents.
Follow the Naming Rules
States don’t let you pick any name you like. Your choice has to clear two hurdles: it must be distinguishable from names already on file, and it can’t include certain restricted words without special approval.
Required Entity Suffixes
LLCs must include “Limited Liability Company,” “LLC,” or an accepted abbreviation in virtually every state. Corporations need “Inc.,” “Corp.,” “Incorporated,” or similar. Professional entities like law firms or medical practices usually need a specific designation such as “P.C.” (Professional Corporation) or “PLLC” (Professional Limited Liability Company). Sole proprietors and general partnerships filing a DBA don’t need a suffix because they aren’t forming a separate legal entity.
Restricted Words
Words like “bank,” “insurance,” “trust,” “university,” and “mortgage” are restricted in most states because they imply regulatory oversight. Using one typically requires written approval from a state financial regulator or licensing board before your filing is accepted. The exact list varies, but the pattern is consistent: if a word suggests a financial institution, insurance company, or educational institution, expect an extra approval step.
Distinguishability
Your name must be distinguishable from every other entity name already registered in the state. That doesn’t mean completely different, but a reasonable person shouldn’t confuse your business with an existing one. Adding “the” or swapping “LLC” for “Inc.” won’t do it if the core words are identical. State filing offices reject names that are too close, and even a name that squeaks through can be challenged later by the existing business for creating marketplace confusion.
Gather Everything Before You File
The specific requirements depend on entity type and state, but you’ll generally need all of the following in hand:
- A physical business address. Most states won’t accept a P.O. box as a principal address, because you need to be reachable for legal service of process.
- Owner information: names and addresses of all members (LLCs), incorporators (corporations), or the individual owner (DBAs).
- A registered agent, if you’re forming an LLC or corporation. This is a person or service with a physical in-state address who accepts legal documents during normal business hours. The agent’s name and address become public record. You can serve as your own agent, but if you’re not reachable at that address when a process server comes by, a default judgment can land in a lawsuit you never knew about.
- A statement of entity purpose, where the state asks for one. Most allow a general statement like “any lawful business activity.”
- The right formation document: articles of organization for LLCs, articles of incorporation for corporations, or a certificate of assumed name or fictitious name registration for a DBA. The forms live on your state’s Secretary of State website.
File With the State
Most states offer online filing through the Secretary of State. You create an account, fill in the fields, upload any supporting documents, and pay by credit or debit card. Online filings are often processed within a few business days, and some states confirm approval almost immediately.
Fees vary widely. DBA registrations run roughly $25 to $125, sometimes less when filed at the county level. LLC formation fees range from $35 to $500, averaging around $130. Corporation filing fees land in a similar range. Paper filing by mail with a check or money order is still an option everywhere, though turnaround stretches to several weeks.
Some states also require DBA filers to publish the fictitious name in a local newspaper at least once. Where it applies, you’ll typically arrange publication yourself and certify on the application that you’ve done so.
Once the state approves your filing, you’ll get confirmation back: a stamped copy, a certificate of organization, or an official notice depending on the state. Keep it. You’ll need it to open a bank account, apply for licenses, and prove the business legally exists.
Reserving a Name If You’re Not Ready to File
If you’ve found an available name but aren’t ready to file your formation documents, most states let you reserve the name for a set period, typically 60 to 120 days. You submit a short name reservation application and pay a small fee. During that window, no one else can register the name. Some states allow a single renewal, though usually not for consecutive periods. Let the reservation lapse without filing and the name goes back into the pool.
Get an EIN After You Register
If you formed an LLC, corporation, or partnership, the IRS recommends registering the entity with the state before applying for an Employer Identification Number.2Internal Revenue Service. Employer Identification Number An EIN works like a Social Security number for your business. You need one to open a business bank account, hire employees, and file business tax returns. Sole proprietors without employees can use their personal Social Security number, though many still get an EIN to keep that number off invoices.
Applying is free and takes about five minutes on the IRS website; you’ll receive the EIN immediately after submitting. Fax takes about four days, mail about four weeks.2Internal Revenue Service. Employer Identification Number The IRS limits you to one EIN application per day.
Keeping the Registration Active
Registration isn’t a one-time task. Most states require ongoing maintenance, and what’s required depends on what you filed.
DBA registrations expire in most states that require them. The most common cycle is every five years, though some states require renewal every two years and at least one extends the period to ten. A handful don’t require renewal at all. Miss a deadline and most states won’t let you reinstate the old registration; you’ll file a new application and pay the full fee again.
LLCs and corporations typically face annual or biennial report requirements rather than name-specific renewals. These reports update the state on your registered agent, principal address, and the people running the business. Skip them and the state can administratively dissolve your entity. Reinstatement costs more and involves extra paperwork.
When your business address, registered agent, or ownership changes, file an amendment with the state. If the change affects your responsible party or address, the IRS also requires Form 8822-B within 60 days.2Internal Revenue Service. Employer Identification Number Letting records go stale means legal notices go to the wrong address, and you may not learn about a lawsuit until a default judgment has already been entered.
State Registration Is Not a Federal Trademark
Registering your business name with the state gives you the right to use the name in that state. It doesn’t stop someone in another state from registering the same name, and it doesn’t give you a basis to make them stop. If you plan to operate across state lines or build a national brand, federal trademark registration with the USPTO under the Lanham Act fills that gap.3Office of the Law Revision Counsel. 15 USC 1051 – Registration of Trade-marks The base trademark filing fee is $350 per class of goods or services, and the application process runs separately from state business registration.4United States Patent and Trademark Office. How Much Does It Cost?
What Happens If You Skip Registration
Operating under an unregistered business name creates real problems that compound over time. The consequences vary by state, but the most common ones hit where it hurts.
- Banks won’t open a business account without proof of your DBA registration or entity formation. Running business transactions through a personal account creates accounting problems and can erode the liability protection an LLC or corporation is supposed to provide.
- Some states treat operating under an unregistered fictitious name as a misdemeanor, and even where enforcement is lighter, fines accumulate and leave a compliance record that complicates future licensing.
- In some jurisdictions, a business operating under an unregistered name has trouble enforcing contracts in court. A judge can dismiss claims brought by an entity that hasn’t complied with filing requirements, so you can win on the merits and still lose on a technicality.
- Your rights to the name are limited to the area where you’ve built a reputation, and proving those rights in a dispute falls entirely on you. A competitor who registers the same name later can end up with stronger legal standing than you have.