2027 Best Accounting Firms for Business Outlook
Plante Moran
Now in its 102nd year of operation, Plante Moran is one of the 15 largest accounting firms in the U.S., as measured by annual revenues. It’s headquartered in Southfield, Mich., a suburb of Detroit, and has been on a major growth streak in recent...
PKF O'Connor Davies
PKF O’Connor Davies is a full-service certified public accounting and advisory practice that serves domestic and international clients. According to Accounting Today’s 2025 “Top 100 Firms” list, PKF O’Connor Davies is the 25th-largest accounting...
Cg, a Springline company
Cg Tax, Audit & Advisory (commonly known as “Cg”) is an accounting and profitability consulting firm that provides a wide range of services to individuals and organizations. The community-oriented firm has two New Jersey locations—in...
Whitley Penn
Texas-based Whitley Penn is one of the 35 largest accounting firms in the U.S., as measured by annual revenues. Founded in 1983 by B. Glen Whitley, Jim Penn, and Mark Topel, Whitley Penn employs more than 800 people who work out of eight offices...
Calibre CPA Group
Calibre CPA Group is a full-service accounting and advisory firm that provides accounting, audit, taxation, forensic and risk advisory, and payroll compliance services to tax-exempt organizations and business enterprises throughout the U.S. The...
Aprio
Aprio is a business advisory and accounting firm whose professionals work across advisory, audit, tax, outsourcing, talent solutions, and private client services. Aprio serves clients in numerous industries, including manufacturing and...
Grassi
Grassi is the 53rd-largest accounting firm in the U.S., as measured by annual revenues. Grassi, an employee-owned ESOP, provides advisory, tax and accounting services to businesses and individuals. The firm is headquartered in New York City and...
Schulman Lobel Advisors, LLC
Headquartered in New York City, Schulman Lobel provides accounting, consulting, business management, and taxation services to individuals and businesses in the U.S. and internationally. The firm specializes in a wide range of industries,...
Schellman Compliance, LLC
Based in Tampa, Fla., Schellman & Company, LLC is the 46th-largest CPA firm in the U.S., as measured by annual revenues. It booked more than $197 million in revenues in its latest fiscal year. Schellman has over 900 clients, including...
PwC
New York-headquartered professional services firm PwC LLP is the U.S. member firm of PricewaterhouseCoopers International Limited, whose network of firms serve approximately 82 percent of Fortune Global 500 companies and more than 100,000...