Peterson Sullivan is a vibrant, rapidly-growing public accounting firm founded in Seattle over 65 years ago. We provide comprehensive accounting, audit, tax, and consulting services to publicly traded companies, closely held businesses, nonprofits, auto dealerships, and high net worth individuals throughout the Pacific Northwest and internationally, and our 200 professionals draw on a deep pool of knowledge, skills, and experiences to provide sound advice and serve our clients’ needs. In addition to our commitment to clients, we are committed to each other and act as such according to our values, mission, and vision.
