Arvid Garnaas CPA P.S. is a Bellingham, WA CPA firm serving business owners, executives, and independent professionals. The firm provides tax and accounting support across individual, business, and nonprofit needs, with services that include tax preparation and planning, business accounting, payroll, and personal financial planning.

The practice also lists support for more specialized matters, including IRS audit representation, back taxes owed, non-filed tax returns, cash flow management, bank financing, business valuation, succession planning, and litigation support. For clients using accounting software, the firm offers QuickBooks setup, training, and tune-up services, along with a secure client portal for document access.