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New Hampshire (NH) Secretary of State (SOS) LLC & Business Search


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Last Updated: April 25, 2025

A business search facility is provided by the New Hampshire Department of State which allows users to search their database for businesses registered in their state. The search facility provides a range of publicly available information about these businesses. Their database can be searched by:

  • Business name
  • Business ID
  • Filing number
  • Registered agent name

Sections

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    • Bizee (Formerly Incfile)
    • Search by business name
    • Search by business ID
    • Search by filing number
    • Search by registered agent name
  • Contact details
  • How to register a business in New Hampshire?
  • How much does a New Hampshire business entity search cost?
  • How can I get a business license in New Hampshire?

Bizee (Formerly Incfile)

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  • Packages from $0 + State Filling Fees
  • Start an LLC, C-Corp, S-Corp or Non-profit
  • Available in all 50 states!
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Search by business name

The New Hampshire business search facility allows you to search by business name and you can narrow down your search by selecting starts with, exact match, contains or all words. You can also select show me similar sounding business names.

New Hampshire Business Search

The results generated show all businesses that match your search criteria. The list includes information about those businesses including business name, business ID, home state, previous name, business type, principal office address, registered agent name and status.

New Hampshire Business Search business name results

Further information about the businesses can be viewed by clicking on the business name highlighted in blue text. The business record includes publicly available information such as:

  • Business name
  • Business ID
  • Business type
  • Business status
  • Expiration date
  • Last renewal date
  • Business creation date
  • Name in state of formation
  • Date of formation in jurisdiction
  • Principal office address
  • Mailing address
  • Phone number
  • Business email
  • Notification email
  • Fiscal year end date
  • NAICS code and subcode
  • Trade name information
  • Trade name owner details
  • Filing history
  • Address history
  • Businesses linked to registered agent

You can also download their filing documents to view them.

Search by business ID

If you know the business ID number you can search for the business using this number.

New Hampshire Business Search

The results should have a single record in the list as the business ID is a unique number. The list includes information about the business including business name, business ID, home state, previous name, business type, principal office address, registered agent name and status.

You can find out further information about the business by clicking on the business name in blue text to see the full record. The record includes information such as status, creation date, contact details, historical information and more as listed above in search by business name.

Search by filing number

You can also search the database by filing number if you know the filing number for any of the business documents.

New Hampshire Business Search

A single record should be listed in the search results as the filing number is unique to the document. The list holds information about the business including business name, business ID, home state, previous name, business type, principal office address, registered agent name and status.

More details about the business can be viewed by clicking on the business name highlighted in blue text. Business records include further information such as key dates, historical business information and contact details plus more as detailed above in search by business name.

Search by registered agent name

Bizee (Formerly Incfile)
$0
Bizee (Formerly Incfile)
  • Packages from $0 + State Filling Fees
  • Start an LLC, C-Corp, S-Corp or Non-profit
  • Available in all 50 states!
  • Free compliance reminders
  • No hidden cost business formation
  • No long-term contracts and subscriptions
Click To Start
Northwest
$39
Northwest
  • 1 Free Year of Registered Agent Service
  • Free Domain, Website, Email & Phone
  • In business since 1998!
  • Business Address & Free Mail Forwarding
  • Fast LLC Filing
  • Privacy by Default
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Zen Business
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The business search database can be searched by registered agent name and you can also select to view similar sounding names.

New Hampshire Business Search

The search results will display the results of businesses that have an agent with the name searched. The list displays a range of information including business name, business ID, home state, previous name, business type, principal office address, registered agent name and status.

New Hampshire Business Search agent results

You can view more information about any of the businesses by clicking on the business name which is in blue text. The record includes information such as key dates, registered people in the business and businesses linked to the registered agent. A list of all the information available is detailed in search by business name.

Contact details

Website: https://quickstart.sos.nh.gov/online

Phone: (603) 271-3246

Address: State House, Room 204, 107 North Main Street, Concord, NH 03301-4989

Email: corporate@sos.nh.gov

How to register a business in New Hampshire?

Bizee (Formerly Incfile)
$0
Bizee (Formerly Incfile)
  • Packages from $0 + State Filling Fees
  • Start an LLC, C-Corp, S-Corp or Non-profit
  • Available in all 50 states!
  • Free compliance reminders
  • No hidden cost business formation
  • No long-term contracts and subscriptions
Click To Start
Northwest
$39
Northwest
  • 1 Free Year of Registered Agent Service
  • Free Domain, Website, Email & Phone
  • In business since 1998!
  • Business Address & Free Mail Forwarding
  • Fast LLC Filing
  • Privacy by Default
Click To Start
Zen Business
$0
Zen Business
  • Starts at $0 plus state fees
  • Available in all 50 states!
  • Fast Filing Speeds
  • Worry-Free Compliance
  • Registered Agent Service
  • 100% Accuracy Guarantee
Click To Start

When you are starting your business in New Hampshire you will need to file your business name and formation documents in some cases. Below are some steps that you can follow to help you:

  1. You will first need to decide what to call your business and you should search the New Hampshire business search database to see if the name is already in use in New Hampshire. This will also need to be registered it as a trade name with the Secretary of State when you set up your business.
  2. You will also need to know what business structure your business is going to be set up in as this will impact how you form your business and run it, such as a limited liability company, corporation, limited liability partnership, general partnership or sole proprietorship.
  3. You can then register your business with the Secretary of State for New Hampshire through the NH QuickStart where you will need to set up an account if you don’t have one. Some business structures will also need to file documents which include a Certificate of Formation for limited liability companies, Articles of Incorporation for corporations, and Limited Liability Partnership Registration for limited liability partnerships which all cost $100 to file.
  4. You may also need to apply for a tax operator’s license with the New Hampshire Department of Revenue Administration.

How much does a New Hampshire business entity search cost?

There are no charges for conducting a business entity search on the New Hampshire business search database.

How can I get a business license in New Hampshire?

There are no general statewide business licenses in New Hampshire. There may be trade or occupation licenses or permits that you will need for your business at state or local level which are available from the New Hampshire Department of Justice. Local licenses and permits may be required, and you should contact your city or town clerk’s office for further details. Fees for licenses and permits vary depending on the location and the license or permit type.

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