Category Archives: Washington Secretary of State (SOS) Taxable Business Entity Search

Search the Washington Secretary of State Entity Database by looking up a Business by Corporation (Profit and Non-Profit), Limited Liability Company (LLC), Limited Liability Partnership (LLP), and by Limited Partnership (LP). A user is able to lookup by Name, Registered Agent, or by the Filing Date. Use this tool also as a way to check a name before incorporating or reserving.

Washington Secretary of State Corporation Entity Search

Step 1 – Go to the Washington Secretary of State.

Step 2 – This is the default search page for entering in either the name or the UBI number of the corporation. You may also preform an Advanced Search and be able to lookup by the Registered Agent’s Name, City, Zip, or by the Date of Incorporation.
Download Entire Secretary of State Database
Searching by Entity Name – It is highly recommended that you enter as many descriptive or unique keywords as possible in order to have the least amount of matching results.

Step 3 – On the results page you will be able to view all the matching names in alphabetical order. Click on the dark blue text link and you will be able to see a preview of the entity’s information including it’s UBI Number, Type, Active/Inactive, State of Incorporation, Filing Date, Expiration, Duration, Registered Agent Name/Address, and if you click on the ‘View Additional Information‘ all the information about the specific corporation listed with the Secretary of State.

Step 4 – On the Officer’s information page a user may view all the owner’s information by scrolling to the bottom of the page. You may also be able to Purchase Documents such as previous filings and certified copies.

Reserve a Corporate Name
Reserve an entity name for one hundred and eighty days by following the steps below.

Step 1 – Download and complete the Application.

Step 2 – Attach the filing fee of $30 ($20 for Non-Profit) and send to:
Secretary of State
Corporation Division
801 Capitol Way S
PO Box 40234
Olympia WA 98504-0234

Washington Secretary of State LLC Search & Lookup

Step 1 – Go to the Washington Secretary of State.

Washington Start Page

Step 2 – Select either to look for your company by:
Name – The most popular option, be sure to use as many keywords as possible to narrow down the listing results.
Registered Agent (Name, City, or Zip Code) – Otherwise known as the legal representative of the company.
Date of Formation – You may estimate the time around where you think the LLC was created.

Washington Search Results Page

Step 3 – On the next page the Secretary of State will tell you how many results it found and list them alphabetically. Click on the grey text link and you will be brought to the entity information page.

Washington Information Page

Step 4 – You have reached the conclusion of your search and now are able to view all the data on file about the LLC including it’s: UB Number, Category of the Entity, Status (Active/Inactive), State of Formation, Formation Date, Expiration Date, Inactive Date, Duration, and Registered Agent Name and Address.

Reserve a Corporation Name

Step 1 – Download and complete the LLC Name Reservation Application.

Step 2 – Attach the $30 filing fee and send to:
Secretary of State
Corporation Division
801 Capitol Way S
PO Box 40234
Olympia WA 98504-0234

United States