Tonnesen Accounting Services provides Quality of Earnings reports, sell-side preparation, bookkeeping, and fractional CFO support for small and mid-sized businesses nationwide.
Quality of Earnings analysis, sell-side preparation, bookkeeping, and fractional CFO support, each built for business buyers, owners, and the lenders who finance their deals.

Tonnesen Accounting Services provides clear, reliable Quality of Earnings Reports so you can spot hidden pitfalls and negotiate a fair price with confidence.

Get your financials in order before going to market. We help business owners correct errors and organize documentation before a buyer's QoE review finds them first.

Poor bookkeeping creates costly problems during tax season, business sales, and daily operations. Our experienced team provides the consistent accurate service that protects your bottom line.

Small businesses need CFO-level expertise but can't afford full-time costs. Our fractional CFO services provide executive financial guidance that drives growth and profitability.

Founded by Josh Tonnesen, a CPA with a background in Fortune 500 corporate accounting, Tonnesen Accounting Services was built to bring institutional-caliber financial analysis to business buyers who were underserved by traditional CPA firms. The firm now provides comprehensive financial services, from Quality of Earnings analysis to ongoing bookkeeping, with 600+ engagements completed to the same consistent standard.
Whether you're acquiring a business, selling a business, or require ongoing accounting support, our expert team is here to help.
