Purpose
A CPA firm must obtain a firm license issued by the Board if the firm is operating a home office in this state and offering or performing for a client, within Washington State, attest or compilation services per RCW 18.04.025 (1) and/or (6) including, audits, reviews, or examinations of prospective financial information in accordance with Public Company Accounting Oversight Board (PCAOB) and/or in accordance with other applicable professional standards issued by a national or international standard setting body recognized by the WA Board of Accountancy (the Board); including the AICPA and International Accounting Standards Board (IASB) (RCW18.04.195).
A CPA firm operating in Washington State that does not perform or offer to perform attest or compilations service, but does provide other services included in the definition of public accounting per RCW 18.04.025 (18) does not need to obtain a firm license from the Board, but may need to obtain an business license from the Washington State Department of Revenue to operate within Washington State. Out of state firms operating under the mobility privileges of RCW 18.04.195 (iii) (A) through (D) do not need to obtain a firm license from the Board, but may need to obtain a business license from the Washington State Department of Revenue to operate within Washington State.