2027 Best Accounting Firms for Informal Training
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...
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...
Schneider Downs & Co., Inc.
In 1956, James T. Schneider and Paul Downs went into business together and remained at the helm until their retirement in 1985. At that time, Ray Buehler took over and relocated the firm to a location just outside Pittsburgh's historic market...
Keiter CPAs
Founded in 1978 by five entrepreneurial accountants, Keiter CPAs is an accounting firm based in Glen Allen, Virginia. It is one of the largest independent CPA firms in Central Virginia, with more than 200 employees. The firm provides a broad...
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...
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...
KSM (Katz, Sapper & Miller)
KSM (Katz, Sapper & Miller) is the largest accounting firm based in Indianapolis and one of the 50 largest in the U.S. It provides a full range of accounting, audit, tax, and business advisory services. KSM has roots going back to 1942 and...
HCVT
Los Angeles-based HCVT (Holthouse Carlin & Van Trigt) is the 31st largest CPA firm in the U.S. as measured by annual revenues. HCVT provides tax, advisory, and business management services to public and closely held businesses,...
Withum
Headquartered in Princeton, N.J., Withum provides advisory, audit, and taxation services, as well as employee benefit services, pension plan services, tax services, litigation support, business valuation, insolvency services, transaction...