tonneson + co is an entrepreneurial accounting firm headquartered in Wakefield, Massachusetts with additional offices in Boston and in Columbia, Maryland. tonneson + co provides high quality tax, assurance, and advisory services to clients ranging from individuals and emerging entities, to mature organizations approaching one billion dollars in revenue. \n\nAt tonneson + co, we provide custom services that address the local, domestic, and international needs of our clients. We are a member firm of GGI, Geneva Group International, the world’s largest alliance of independent law, accounting, and consulting firms; we currently serve clients in 12 countries.\n\nOur dedicated team of professionals performs above and beyond traditional accounting services in several specialty niches, which include mergers and acquisitions, not-for-profit, independent private schools, and privately held businesses, among others.\n\nOur corporate culture is client-focused. Our people are exceptionally talented. Our commitment to excellence is unmatched.\n\nAs your trusted adviser, we will dedicate ourselves to providing you with proactive, compliant, and profit-based solutions that empower you with the information you need to make strategic financial and business decisions.