Baker Tilly began in 1931 in Waterloo, Wisconsin, when Ed Virchow started the business by providing audits to Midwestern canning companies, and the firm later expanded through combinations with many other firms. Baker Tilly now operates as an advisory, tax, and assurance firm within a global network, with services that include audit, consulting, digital solutions, risk advisory, transactions, and tax planning. The company presents itself as serving clients across major financial centers and broader markets, with a business model centered on helping organizations manage change, protect value, and support growth across multiple professional services verticals.