Accessibility StatementSkip Navigation Effective September 1, 2025, Columbia Bank began serving customers under its unified name and brand, completing the transition announced earlier this year from the Umpqua Bank name. The change ensures brand clarity by simplifying Columbia's family of brands, which also includes Columbia Wealth Management, Columbia Trust Company, Columbia Private Bank and Columbia Wealth Advisors. At transaction close, Columbia's assets increased to approximately $70 billion with approx ...