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Washington DBA Search
Look up a DBA (doing business as) in Washington — also called a fictitious business name, assumed name, or trade name. Below are the official Washington search routes. To see the owner, status, and USDOT / OFAC behind a name, run a full verification.
Statewide registry
WA DOR — Business Lookup (Trade Names)
WA Dept of Revenue Business Licensing handles trade names statewide. Search by business name; trade names appear under 'Other Names'.
Open Washington search →Washington files DBAs by county — 12 listed
Pick the county where the business operates to open its clerk's fictitious-name search.
King County, WA (Seattle)
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Benton County, WA
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Clark County, WA
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Cowlitz County, WA
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Kitsap County, WA
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Pierce County, WA (Tacoma)
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Skagit County, WA
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Snohomish County, WA
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Spokane County, WA
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Thurston County, WA (Olympia)
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Whatcom County, WA (Bellingham)
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Yakima County, WA
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A DBA isn't a legal entity. It's a trade name a person or company registers to operate
under — it doesn't tell you who actually owns the business. For credit and underwriting, pair the DBA with
the registered entity and its officers. Run a full verification →