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Before going into the details, here is a quick checklist for registering a DBA in Nevada.
| Official Term | Fictitious firm name (FFN), also called an assumed or fictitious name [1] |
|---|---|
| Filing Agency | The county clerk in each Nevada county where the business is conducted, not the Secretary of State [3] |
| Form | Certificate of Assumed or Fictitious Name, with a separate version for each business structure [1] |
| State Fee | Set by each county. Clark County (Las Vegas) and Washoe County (Reno) both charge $25 to file [6] |
| Processing Time | Filed in person or by mail; counties do not offer online filing of the certificate [1] |
| Renewal Required | In counties that adopt the option by ordinance, the certificate expires 5 years after filing and must be renewed [3] |
| Cancellation | File a certificate of termination with the same county clerk when you stop using the name [3] |
A DBA stands for "Doing Business As." It is an alternative name your business uses instead of its registered legal name. In Nevada, the official term is "fictitious firm name," and the filing is a certificate of assumed or fictitious name.
Any type of business can register a fictitious firm name in Nevada. Sole proprietors, general partnerships, LLCs, corporations, business trusts, and series LLCs all file with the county clerk. The filing is required whenever the business name differs from the legal name of each owner. [3]
A DBA does not create a new legal entity. It does not change your tax status, your liability protection, or your ownership structure. It is only a name your business is authorized to operate under.
| Brand Fit | Commercial Banking | Multi-Entity Branding | Privacy & Trust |
|---|---|---|---|
| Sole proprietors operate under their personal names by default. A fictitious firm name lets you do business under a professional brand instead. | Nevada banks generally require a filed fictitious firm name certificate before opening a business account in a name other than your legal name. | One entity can run several brands or product lines under separate fictitious firm names without forming a new company for each. | A fictitious firm name keeps your personal identity off public branding and signals to customers that you are an established business. |
Nevada routes all fictitious firm name registrations through the county clerk, not the Secretary of State. You file a certificate of assumed or fictitious name with the county clerk in each county where your business is conducted, and you must file within one month of starting business under the name. [3]
Filing a fictitious firm name does not give you exclusive rights to that name, and the county clerk does not screen for duplicates, so identical names can sit on file at the same time. A clear search before you file protects your brand. [1]
Search the county records where you plan to file. Clark County (Las Vegas) offers a free online Fictitious Name Search, and the Nevada Secretary of State keeps a statewide business entity search for checking registered company names, too. [2]
Nevada fictitious firm name rules are light, but a few hard limits apply under state law.
| Match designators to your real structure | No government-imitating names | Conflicts are your responsibility |
|---|---|---|
| A sole proprietor cannot use "Corporation," "Corp.," "Inc.," "LLC," "Business Trust," or "Limited" unless the business is actually organized that way under Nevada law. [3] | The name cannot imitate a government, governmental agency, or tribal entity, and a natural person name must include words showing it is not an individual. [3] | The clerk does not screen names for conflicts, so run a federal trademark search to avoid infringing a protected mark. [5] |
Run a trademark search at the U.S. Patent and Trademark Office (USPTO) as well. Filing a fictitious firm name in Nevada gives you no trademark rights and does not stop a federal trademark holder from challenging your use of the name. [5]
You file the certificate of assumed or fictitious name with the county clerk in each county where you conduct business, not with the Secretary of State. The clerk provides a separate certificate form for each business structure: sole proprietorship, general partnership, registered business entity, trust, and series LLC. [1]
| Situation | County Fee |
|---|---|
| File a new fictitious firm name certificate (Clark or Washoe County) | $25 [6] |
| Renew an existing fictitious firm name certificate (Clark or Washoe County) | $25 [6] |
| File a certificate of termination (Clark County) | $20 [6] |
County filing fees are generally non-refundable, and a rejected or incomplete certificate must be corrected and refiled.
The county clerk records your certificate and keeps the original signed form on file in an alphabetical index of fictitious firm names. Clark County filing includes one uncertified copy. [6]
Keep your file-stamped certificate. Banks, vendors, and payment processors will ask for it before they let you operate or accept funds under the fictitious firm name. Nevada law also bars you from suing on a contract made under the name until the certificate is on file. [3]
Whether the certificate expires depends on the county. A county may provide by ordinance that the certificate expires 5 years after filing, in which case you must file a renewal certificate before it lapses. Clark County renews fictitious firm names every five years from the date of filing. [1]
A DBA and an LLC are not the same thing. This is one of the most common points of confusion for new business owners, and getting it wrong can be costly.
A DBA is only a name. It does not create a legal entity. It does not protect your personal assets. If someone sues your business, your personal finances are exposed.
Forming an LLC means you are creating a separate legal entity. That separation generally protects your personal finances, home, and savings from business debts and lawsuits.
If you are a sole proprietor who wants a business names without incorporating, a fictitious firm name is a fast, affordable option. If you want liability protection, you need an LLC or a corporation.
Many businesses do both: they form an LLC and then apply for a DBA to run a brand under a name different from the LLC's legal name.
| Feature | DBA (Fictitious Firm Name) | LLC |
|---|---|---|
| Creates a legal entity | No | Yes |
| Personal asset protection | No | Yes |
| Changes the tax treatment | No | Can elect a different tax status |
| Required to operate under a different name | Yes, if the name differs from your legal name | No, the LLC name is its legal name |
| Cost to register | $25 county fee + Swyft service fee | State filing fee + Swyft service fee |
Most Nevada fictitious firm name problems come down to the same handful of errors. Here is what to watch out for before you file.
Nevada fictitious firm names are filed with the county clerk in each county where you do business, not with the Secretary of State. Filing in the wrong place wastes time and money. [3]
A fictitious firm name gives you no exclusive rights, and the clerk does not reject duplicates, so the same name can sit on file many times. Do your own search before you commit to a brand. [1]
A sole proprietor cannot include "LLC," "Inc.," "Corp.," or "Limited" in a fictitious firm name unless the business is actually organized that way. Nevada law bars these designators when they do not match your structure. [3]
Some counties require the certificate to be notarized. Washoe County requires notarization, while Clark County does not, so confirm the rule in your county before you submit. [8]
A fictitious firm name is only a name. It does not create a legal entity and does not shield your personal finances. If you want protection, form an LLC.
County approval is not trademark clearance. A federal trademark holder could still force you to stop using the name. [5]
[1] Clark County Clerk. Fictitious Firm Name. Accessed on June 4, 2026.
[2] Nevada Secretary of State. County Clerk Information for Filing a Fictitious Firm Name or DBA. Accessed on June 4, 2026.
[3] Nevada Legislature. Nevada Revised Statutes Chapter 602, Doing Business Under Assumed or Fictitious Name. Accessed on June 4, 2026.
[4] Clark County Clerk. Fictitious Name Search. Accessed on June 4, 2026.
[5] U.S. Patent and Trademark Office (USPTO). Trademarks. Accessed on June 4, 2026.
[6] Clark County Clerk. County Clerk Fees. Accessed on June 4, 2026.
[7] Washoe County Clerk. DBA Requirements. Accessed on June 4, 2026.
[8] Washoe County Clerk. DBA Forms. Accessed on June 4, 2026.
