Established in 1991, KS&Co is a West Coast regional accounting firm with over 75 professionals, serving clients from offices in Seattle, Portland, Irvine, and San Diego. Our partners are alumni of the Big-4 accounting firms, which provides for a foundation of education and experience unmatched by smaller, local firms. We offer our clients Big-4 expertise at a fraction of the cost.

At KS&Co, we focus on several practices areas:

  • Our Large-Corp Practice provides tax advisory, corporate income tax compliance and income tax accounting services to over 100 public companies and many more venture-backed companies.
  • Our Mid-Market Practice provides tax advisory and compliance services to closely held businesses and their stakeholders.
  • Our Audit Practice performs financial audits for private companies, not-for-profit organizations, and employee benefitplans.
  • Our Global Mobility Practice provides expatriate tax services for our corporate clients and their inbound and outbound employees.
  • Our Human Resources Practice provides the key components of an HR Department for those clients that don’t have their own.

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