O&S CPAs & Business Advisors

Effective January 1, 2023, O&S CPAs and Business Advisors has joined BPM LLP. As one of the 40 largest public accounting and advisory firms in the U.S., our expertise is in providing solutions, but our greatest strength is our ability to see beyond the challenges to the people behind them. When you choose BPM, you choose a firm that combines world-class capability with a unique personal touch. You choose a collection of experienced accountants, advisors and specialists whose know-how spans lifetimes, skill sets and industries. You choose a team of forward-thinkers who will help you be successful in work and life — today, tomorrow and far into the future. Our global team of over 1,000 professionals collaborates across industries, service lines and time zones to deliver exceptional experiences and results. At BPM, we are guided in all that we do by our brand promise, “Because People Matter.” We fuel the potential of our clients, colleagues and communities by putting people first. This focus has brought us success and growth over the years, including our certification as a B Corp and recognition as one of the top firms for diversity. Additionally, Forbes’ 2023 lists us as one of “America’s Best Tax and Accounting Firms,” and we are members of Vault’s 2023 “Accounting 25.” This year also marks our eighth consecutive year as a ClearlyRated Best of Accounting® award winner for outstanding client service.