License application help

Use this information to help you fill out your Seattle business license application. If you have any questions about applying for a license, please contact us.

Information required on the application

Legal name of your business

Legal name of your business

The legal name of your business is based on your business type.

If your business type is: Then provide us with:
Sole Proprietor Your legal name
(last name, first name and middle initial)
Corporation Your corporate name
(as filed with the state of Washington)
Partnership The last names of the partners
Limited Liability Company (LLC) Your company name
(as filed with the state of Washington)
Nonprofit Your nonprofit organization name
(as filed with the state of Washington)



Trade name of your business

Trade name of your business

If you plan to name your business something other than its legal name, then provide your trade name. A trade name is often called a dba (doing business as). Your business trade name can be different than you business legal name.

Business type

Business type

Your business or organization is likely one of these six common types:

  • Sole Proprietor
  • Corporation
  • Partnership
  • Limited Liability Company (LLC)
  • Limited Liability Partners (LLP)
  • Nonprofit

If you don't know your business type, check your state of Washington business registration or contact us.

Nonprofits operating in Seattle are typically required to get a license and file a tax return.

Estimated annual revenue

Estimated annual revenue

Please provide an estimate of your annual revenue. We use this estimate to determine your tax filing frequency.

Annual taxable revenue: You will file taxes:
greater than or equal to $100,000 once every quarter (four times a year)
less than $100,000 once every year



We will change your filing frequency if your annual taxable revenue changes significantly in the future. In a few cases, a business must file every month.

Name(s) of license holder

Name(s) of license holder

Please provide the legal name of the person who will hold the business license. Also provide the holder's residential address, telephone number and date of birth.

Some types of businesses list more than one person on their license. If your business has multiple owners, partners, officers or agents, then please provide the legal name, residential address, telephone number and date of birth for each person listed.

Starting date in Seattle

Starting date in Seattle

Please provide the month, day and year that you plan to start doing business in Seattle.

You can apply for a license at any time. Our electronic filing system (SELF) only allows you to apply up to two months before your starting date. If you want to get a license more than two months before you start, please contact us.

Main location

Main location

Please provide the street address of your primary business location. You must provide a physical location. A post office box or mail drop is not considered a physical location.

Provide a secondary address if you want your tax and license mail delivered to a different address. You can also give us special mailing instructions if you want your mail delivered to a specific department or person.

Business description

Business description

Please provide a detailed description of the products you will be selling or the services you will be providing. We can process your application faster when you provide a detailed description of your business activities.

Some businesses require an additional regulatory license. Examples include taxis, adult entertainment and parking lots, among others. If you need a regulatory license, please contact us. Or visit the website for regulatory licensing information.

NAICS classification code

NAICS classification code

If you know it, provide your six-digit North American Industry Classification System (NAICS) code. If you don't know your code, please contact us or visit the NAICS website.

Optional application information

State and federal business numbers

State and federal business numbers

To get a Seattle business license, you are not required to have a state or federal business identification number. But if you already have any of the following numbers, please provide them.

  • Washington State Unified Business Identifier (UBI)
  • Washington state contractor number
  • Federal Employer Identification Number (FEIN)
  • Seattle Vendor ID Number

Washington Women’s or Minority Business Enterprise status

Washington Women’s or Minority Business Enterprise Status

Providing your business enterprise status is optional; we only us it for statistical purposes.

If you choose to do so, please provide your certificate number for:

  • Minority Business Enterprise (MBE)
  • Women's Business Enterprise (WBE)
  • Minority and Women's Business Enterprise (MWBE)
  • Combination Business Enterprise (CBE)
  • Disadvantaged Business Enterprise (DBE)

To learn more visit the Washington State Office of Minority and Women's Business Enterprises.