Step 1) Secure Name & Obtain Application Form

WebsiteBefore filing a DBA in New Hampshire, double check to see if the name you decided to use as an assumed name is available. You’re prohibited from using names that closely resemble a registered business’ name, a political party of New Hampshire or a government authority.

Use the NH Business Entity Search page as well as the TESS System through the U.S. Patent & Trademark Office to see if there are any conflicts. If not, the next step is to obtain a copy of the New Hampshire DBA registration form.


Step 2) Complete the New Hampshire Application for Registration of Trade Name Form

Create an Operating AgreementThe next step is to filling out the form online (or you can print it out, in which case you’ll need to write legibly), then be sure to get an official copy for your records. Be sure you understand each line and make every entry correct.  The following information is required when filing a ‘doing business as’ in New Hampshire form:

Once the form is filled out, double and triple-check that all information is correct, then have the registration form notarized.


Step 3) Send in the Completed Application form

Mail in the FormThe last final step is to send in the completed form to the Secretary of State’s office for the approval of your New Hampshire DBA application.

A filing fee of $50.00 should be enclosed together with the application form. The address where you can mail your ‘doing business as’ in New Hampshire form is found on the actual form as well. Here’s to a great and prosperous year ahead for your new official DBA.


Note that this guide is not a legal document or advice. It is just an informational guide that helps you file a New Hampshire DBA. If you’re looking into the legal specifics involving in a NH DBA or the process of starting a business in New Hampshire, always seek the expert advice of a business lawyer.

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