What do you plan to call your business?
Make sure that the name you have chosen isn’t already taken. Search in the following locations:
Master License Service Database
Online Business and Professional License Search. If your search result is “No matches were found for your search,” try spelling the name differently or leave out abbreviations or punctuation such as Inc, LLC, etc.
By mail. Send us a letter with your return address, a list of the names you want to research, and a check or money order to pay the search fee. The cost is $4 to search up to 3 names. Send your letter to:
Master License Service
Department of Licensing
PO Box 9034
Olympia, WA 98507-9034