In New Hampshire, like other states, a trade name needs to be filled legally, under the state law known as “Doing Business As” or DBA. This process includes filling out forms and paying fees which seems daunting. But don’t worry – this article has made this process simple and straightforward. Read on.

Important! Please keep in mind that DBA is not a business structure, so it won’t protect you from liabilities, lawsuits, or any other unforeseen situations. DBA stands for Doing Business As. – often precedes the name under which a business operates, which is not the legal name of the business.

Therefore, before starting, make sure you understand the difference between informal business structures such as sole proprietorship and formal ones like corporations and LLCs.

To register or renew the trademark, trade name, or service mark for your company in New Hampshire you need to file the application to the Secretary of State. Here is what you need to do:

New Hampshire Business Entity Search

Your company’s trade name should be unique and have not been acquired by any other entity in New Hampshire. Moreover, this name must also meet the business name requirements of New Hampshire.

First, you have to search the New HampshireBusiness Name Lookup website for the DBA, Business, & Fictitious names. Check the website thoroughly to know whether the name that you wish to have for your business has already been taken by someone or not. Make sure, this name isn’t already in use.

Note: You can also find a complete guide on business name search here.

Once you are done searching, the next step is to review the naming requirements of the state of New Hampshire. In general, your DBA should not include:

  • Any term indicating that your business is established for unlawful ourposes.
  • LLC, Incorporated, Corp., or any other business entity suffix unless the business is actually an LLC or corporation.
  • The name of any political party
  • Any term that is used for financial institutions, including: “bank,” “banco,” “banc,” “banque,” “banker, “savings and loan association,” ”trust company,””savings bank,” “credit union” or related words.
  • The word “Farmer’s Market”

Register Your New Hampshire DBA ($50)

File a New Hampshire DBA Online with the New Hampshire QuickStartor download the Assumed Business Name Application and send it to

DBA Filing In-Person Address:
State House Annex
3rd Floor, Rm 317
25 Capitol St, Concord, NH

DBA Filing Mail Address:
Corporation Division
State House Annex
3rd Floor, Rm 317
25 Capitol St, Concord, NH

Top Tip:

Instead of doing it yourself, save some time by hiring a reliable formation service like ZenBusiness. You can see editors’ Review on ZenBusiness to decide if it’s the best choice for your company.

The following information must include in the New Hampshire trade name form:

  • Your business name and adress
  • Owners/partners of the business and addresses
  • Entity type (eg; LLC, sole proprietorship, partnership, corporation)
  • Trade name’s description

Renew, Change or Withdraw Your New Hampshire DBA

Renew Your Fictitious Name With the State

New Hampshire Assumed Business Name registration expires after every 5 years. You get the notification and renewal form from the office of the New Hampshire secretary of state at least 6 month before the expiry date. You may also apply for the renewal of DBA in New Hampshire online.

Change Your Fictitious Name

If you wish to make changes in number of members in your business, you need to file a Certificate of Withdrawal to remove members or Certificate of Addition to add members in the DBA information recorded with the NH secretary of state. For any other change your need to apply for a new assumed business name in New Hampshire.

Withdraw Your Fictitious Name

You can cancel your New Hampshire assumed business name by filling the NH Certificate of Discontinuance of Use of Trade Name and sending it to:

DBA Cancelation In-Person Address:
State House Annex
3rd Floor, Rm 317
25 Capitol St, Concord, NH

DBA Cancelation Mail Address:
Corporation Division
State House Annex
3rd Floor, Rm 317
25 Capitol St, Concord, NH

Editor’s Insight

Filing an New Hampshire fictitious business name, aka an New Hampshire DBA (doing business as), is an easy and straightforward process. If you want to save time and effort, LLC filing companies like LegalZoom and ZenBusiness can help you get that at a fraction of the cost.

However, if you are interested in DIY, you just need to follow the above-mentioned step-by-step guide or see how to Get a DBA in any of the 50 states.

Please note: This page may contain affiliate links. If you buy a product or service through such a link we earn a commission at no additional cost to you.

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