Olsen Thielen is a full-service accounting and consulting firm, and a “Top 25” firm in Minneapolis and St. Paul, Minnesota. We focus on providing top quality solutions for our clients through our traditional accounting and tax services, as well as non-traditional services like valuations, business succession planning, employee benefits and human resources consulting, back-office cloud accounting solutions, estate, gift and financial planning, and fraud and forensic accounting.

Olsen Thielen was founded in 1921 on the belief that personal attention, trust, and quality service were the key elements to helping our clients succeed. Over 100 years later, that commitment remains. Our longevity and growth can be attributed to building strong relationships with our clients and continuing to earn their trust.