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OpenAccountants is a trading name of Glimpse Ltd, a company registered in Malta. We do accounting and tax work for business owners under a separate written engagement. We are not a US CPA firm and do not perform audits; US returns are signed by a US CPA or enrolled agent named in your engagement. Our free skills and automated outputs are general reference material; using them does not create an engagement or submit a filing.

Washington · Income Tax

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wa-bo-taxBuilt by Michael Cutajar and the OpenAccountants team
Washington State business and occupation (B&O) tax for 2026: registration and nexus, classifications and rates (including the 1 Oct 2025 and 1 Jan 2027 changes), Service and Other Activities tiers, small business credit, apportionment, filing frequencies, due dates and penalties.
wa-business-occupation-taxBuilt by Michael Cutajar and the OpenAccountants team
Washington State business and occupation (B&O) tax for 2026: registration and nexus, classifications and rates (including the 1 Oct 2025 and 1 Jan 2027 changes), Service and Other Activities tiers, small business credit, apportionment, filing frequencies, due dates and penalties.