Columbia Financial Advisors is a financial advisory firm serving business owners, shareholders, attorneys, accountants, ESOP trustees, and other clients throughout the US. The Firm offers business valuation, financial advisory, fairness opinion, and litigation services to companies from publicly traded firms to small, closely held companies to some of the largest privately held companies. Columbia Financial Advisors was established in 1992 and is based in Portland, Oregon. In 2023, Columbia Financial Advisors was acquired by advisory firm Weaver.