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Search for and Register Your New Hampshire LLC Name

Whether you’re searching for the right New Hampshire business name or registering your LLC with the NH Secretary of State, we can help. We’ve got all the information you need on a New Hampshire business entity search, LLC naming rules, fictitious names and registering your business.

New Hampshire Secretary of State Business Search

You should start naming your business by completing a business entity search with the Secretary of State. They have a helpful tool on their website that lets you search the register of NH LLCs and corporations to see if someone already has your desired business name.

If the business name is already used, that means it’s not available and you won’t be able to register it. Try searching for a different business name instead.

New Hampshire SOS Business Search Tool

Business Name Registration Rules for Your New Hampshire LLC

Once you’ve decided on a name for your LLC and checked business name availability, you’ll need to meet New Hampshire Secretary of State naming rules.

New Hampshire Trade Names for LLCs

You might choose to do business under a different name from your legal LLC name. In New Hampshire, doing business under a different name is known as a “Trade Name.” You might choose to use a different name from your NH formal LLC name for a variety of reasons.

For example, your LLC might be called New Hampshire Secretarial Services Holding Company LLC and you have a brand called Admin Expertise. You should file a trade name to let the New Hampshire Secretary of State know. In New Hampshire, you do that through a Form TN-1 Trade Name Registration, or you can have Incfile do it on your behalf through our Assumed Business Name service.

Incfile's Trade Name Services / Assumed Business Name Service

Business Name Registration for Your New Hampshire LLC

Once you’ve searched for your New Hampshire business name, checked availability, followed the naming rules and decided whether you need a fictitious name, you can register your NH LLC name. There are a couple of ways to do this.

  • 1

    If you don’t want to form your LLC right now, you can reserve the business name with the New Hampshire Secretary of State. You will need to complete an Application for Reservation of Name and file it with the NH SOS. You do not need to reserve a name if you are forming your business right away.


    New Hampshire SOS LLC Name Reservation Form

  • 2

    If you’re ready to start your LLC, you can formally file your Certificate of Formation with the New Hampshire SOS, or let Incfile take care of it for you.

FAQs on Naming Your New Hampshire LLC

You might find the following answers useful.

Additional Resources for Naming Your New Hampshire LLC

You might find these other resources helpful.

Trademarks and Service Marks

You must be careful that your New Hampshire LLC name does not infringe on the trademark or service mark of another business. The easiest way to make sure your proposed business name does not infringe is to carry out a trademark search through Incfile. If it doesn’t infringe, you can even register it as a trademark yourself.

Incfile Trademark Search and Registration Service

Find the Perfect Name for Your New Hampshire LLC

The perfect business name can be elusive. We have a complete guide to choosing the right business name, but basically, you'll want to choose a name that will:

  • Appeal to your customers
  • Be memorable enough to stand out
  • Best represent your product or services
  • Not be used by another business
Incfile Guide to Choosing a Business Name

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Filing Time and Price

The state charges this amount to file a new business entity. This fee goes directly to the Secretary of State.

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Compliance Requirements

This report is mandatory and must be filed within the specified time frame in order for the entity to remain in good standing with the state. Failure to file this report can lead to the company being revoked or administratively dissolved.

Other State Requirements
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