How to Check If a Business Name Is Available (5-Step Guide)

You've landed on a name you love. Before you commit to it, you need to know how to check if a business name is available — not just in one place, but across every channel that matters. A name can be legally free in your state and still be trademarked federally, taken as a domain, or already active on every social platform. Running all five checks covered in this guide takes less than an hour and could save you from a costly rebrand down the road.

Why Availability Checks Matter Before You Commit

Skipping availability checks is one of the most common — and expensive — mistakes new founders make. According to the SBA, businesses forced to rebrand due to trademark conflicts face average costs of $50,000 to $500,000+ depending on brand equity already built. Consider what can go wrong:

• A federal trademark holder can send a cease-and-desist letter even after you've incorporated, forcing a full rebrand.
• A domain squatter may own your exact .com and demand thousands of dollars to release it.
• An existing business in your state with the same name can block your registration entirely.
• Inconsistent social handles fragment your brand before you've built any audience.

Checking availability early gives you time to iterate on the name before any money is spent on logos, packaging, or marketing materials. It also surfaces the best version of your name — one that's clean across every layer of the business identity stack.

Step 1: Search Your State's Business Name Database

Every U.S. state maintains a public database of registered business entities managed by the Secretary of State (or equivalent agency). This is your first stop because state registration is required before you can legally operate as an LLC or corporation under a given name.

How to run the search:

1. Go to your state's Secretary of State website. Search for "[your state] Secretary of State business search" — most states have a direct online lookup tool.
2. Enter your desired business name in the search field. Try both exact matches and partial matches (e.g., just the distinctive word in your name).
3. Check results carefully. An "available" result means no active entity is using that exact string, but similar names could still cause legal conflicts.
4. Note any inactive or dissolved entities with your name — some states still restrict reuse of recently dissolved names.

Each state has its own rules about name distinctiveness. In California, for example, the name must be "distinguishable on the record" from existing entities. In Texas, the standard is similar but the similarity threshold differs. If you plan to operate in multiple states, run the check in each one.

If your business will operate under a name different from its legal entity name, you'll also need to file a DBA ("doing business as") or fictitious business name registration. These are often filed at the county level and have their own separate search databases.

Step 2: Search Federal Trademarks via USPTO TESS

State registration does not protect you from federal trademark infringement claims. A business registered in your state can still infringe on a federally registered trademark — and the trademark holder wins almost every time. This step is critical.

The USPTO (United States Patent and Trademark Office) provides free access to its Trademark Electronic Search System (TESS) at tmsearch.uspto.gov.

1. Visit tmsearch.uspto.gov and choose "Basic Word Mark Search."
2. Enter your business name and set the search field to "Combined Word Mark."
3. Filter results to show only "Live" marks — dead or abandoned marks are generally fair game, though an attorney review is still wise.
4. Check the International Class codes. A trademark only blocks use in the classes it covers, so a "Nova" trademark in Class 25 (clothing) may not block you in Class 41 (education services).
5. Look for phonetically similar marks, not just exact matches. The USPTO applies a "likelihood of confusion" standard, so "Kloud" could conflict with "Cloud" in the same class.

If your search returns results that look close to your name in the same industry, consult a trademark attorney before proceeding. A professional clearance search — which goes deeper than TESS — typically costs $300–$800 and is worth every dollar for a name you plan to scale.

Step 3: Check Domain Name Availability

Your domain is your digital address. Even if you're not launching a website immediately, securing the domain now prevents squatters from grabbing it the moment your business name becomes public.

The .com extension still carries the most trust and memorability for most business types, but the landscape has expanded dramatically. Modern tools check dozens of TLDs simultaneously so you can evaluate all your options at once. Namilio checks availability across 27+ TLDs as part of its name generation flow, showing you which extensions are open for any name it suggests — so you're never stuck with a name that has no viable domain.

When evaluating domain availability, keep these priorities in mind:

• .com first: If the .com is taken and the holder is an active business in your space, consider a different name rather than settling for a weaker extension.
• Industry-specific TLDs: .app, .dev, .io, .ai, .tech, and .store can be strong alternatives if they match your business type.
• Country codes: If you're serving a local market, your country's ccTLD (e.g., .co.uk, .ca, .de) may matter more than .com.
• Avoid hyphens and numbers: They're hard to communicate verbally and signal low credibility.
• Check WHOIS: Even if a registrar shows a domain as "taken," check the WHOIS record. Some domains are parked or expired and may be available for back-order.

If your preferred .com is taken, use a WHOIS lookup to find the owner's contact information. Sometimes owners are willing to sell at a reasonable price, especially for domains that aren't actively used.

Step 4: Check Social Media Handle Availability

Brand consistency across social platforms builds trust and makes it easier for customers to find you. Ideally, your handle is identical — or nearly identical — on every platform you plan to use.

Tools like Namecheckr and Knowem let you search dozens of social platforms simultaneously. At minimum, check these platforms:

• Instagram (@yourbrand)
• X / Twitter (@yourbrand)
• LinkedIn (linkedin.com/company/yourbrand)
• Facebook (facebook.com/yourbrand)
• TikTok (@yourbrand)
• YouTube (youtube.com/@yourbrand)
• Pinterest (/yourbrand)

If your exact handle is taken on a major platform, evaluate whether the existing account is active. Inactive accounts with zero followers and no recent posts may be eligible for a name-change request — platforms like Instagram and X have processes for this, though they're not guaranteed.

Common workarounds for taken handles include adding your industry ("yourbrandapp", "yourbrandco"), your location ("yourbrandnyc"), or a prefix ("get", "try", "use" — e.g., "getyourbrand"). Keep it short and avoid underscores where possible.

Step 5: Run a Google Search for Conflicts

A Google search won't give you legal protection, but it surfaces real-world conflicts that databases miss. An unregistered business using your name for years has common law trademark rights even without federal registration. Those rights are real and enforceable.

1. Search the exact name in quotes: "Your Business Name"
2. Search the name with your industry: "Your Business Name" consulting (or software, agency, etc.)
3. Search the name with your city or region if you're a local business
4. Search variations and common misspellings
5. Check Google Images for logos and branding that could create visual confusion

Pay particular attention to businesses on the first two pages of results. If an active, established competitor appears, you'll need to rethink the name even if every formal database shows it as clear. Courts consider the likelihood of actual consumer confusion — if Google already conflates the two businesses, that's strong evidence of a problem.

What to Do If Your Name Is Already Taken

Finding out your first-choice name is taken is frustrating, but it's also an opportunity to land on something even better. Here are the most effective strategies:

Try a Meaningful Variation

Small changes can open up availability without sacrificing brand recognition. Consider adding a descriptive word ("Nova" becomes "Nova Labs" or "Nova Digital"), changing the spelling ("Kloud" instead of "Cloud"), or shortening the name to a root word or invented compound. Tools like Namilio are built for exactly this situation — enter your keywords and it generates dozens of brandable alternatives, complete with domain availability for each one, so you can iterate quickly.

Explore Different TLDs

If the .com is taken but the name is otherwise clear, an industry-specific TLD may be the right move. A software company can thrive on a .io or .app domain. A developer tool on .dev carries instant credibility with its audience. The key question is whether your target customers will understand and trust the extension — for most B2B software, they will.

Consider Buying the Domain

If the .com is parked with no active business behind it, reaching out to the owner is often productive. Use the WHOIS record to find contact details, or go through a domain broker. Prices for generic parked domains range from a few hundred to tens of thousands of dollars depending on the word. Set a budget before you start negotiating.

Start Fresh with AI Generation

Sometimes the right move is to step back and generate entirely new options from scratch. Describe your business — what it does, the feeling you want to evoke, the audience you serve — and let an AI tool surface names you wouldn't have thought of. Namilio generates names across seven different style categories (brandable, evocative, compound, and more) and immediately flags which ones have available domains, compressing what used to be hours of manual checking into a few minutes.

Quick Reference: Where to Search

• State entity database: Your state's Secretary of State website (search "[state] SOS business search")
• Federal trademarks: tmsearch.uspto.gov (USPTO TESS)
• Domain availability: Your registrar of choice (Namecheap, GoDaddy) or Namilio for bulk TLD checking
• Social handles: Namecheckr.com or Knowem.com
• Common law conflicts: Google search with quotes

Related Resources

Once you've confirmed your business name is available, the next steps are choosing the right domain extension and protecting your name legally. Our guides on how to name your business and how to trademark a business name walk you through both in detail.

Frequently Asked Questions