13 Consulting Firms in Accounting, Audit & Tax Advisory Consulting

KPMG LLP is the U.S. firm of the KPMG global organization of independent professional services firms providing audit, tax and advisory services. The KPMG global organization operates in 145 countries and territories and has close to 236,000...

New York-headquartered professional services firm PwC LLP is a U.S. member firm of PricewaterhouseCoopers International Limited, whose network of firms operates in 151 countries, employs more than 364,000 people and serves 84 percent of Fortune...

Protiviti is a global consulting firm whose name is a combination of words, including "professionalism," "proactivity," "independence" and "integrity." Founded as a subsidiary of Robert Half in 2002, in the days leading up to the passage of the...

Founded in 1999, Sia has established a strong track record of success. Today, the firm operates with more than 3,000 consultants across 48 offices in 19 countries including 18 offices in North America with 700 employees. The U.S. is the firm’s...

Charles River Associates® is a global consulting firm specializing in economic, financial, and management consulting services. CRA advises clients on economic and financial matters pertaining to litigation and regulatory proceedings, and guides...

In the increasingly high-stakes world of commercial litigation, attorneys often need help sifting through complex economic or financial issues. Cornerstone Research is the place they turn to for help. Top-tier law firms have retained Cornerstone...

NERA Economic Consulting understands what many people can’t: economics. The firm provides economic advice, analysis, expert testimony, and regulatory insight for global clients throughout North America, Latin America, Europe, and the...

Employing more than 500 professionals, including 425 economists, NERA has been creating strategies, studies, reports, expert testimony, and policy recommendations for government authorities and the world’s leading law firms and corporations for...

Focusing on strategic analysis, OC&C Strategy Consultants breaks the concept of strategy consulting down into five organizational areas: group strategy, business unit/divisional strategy, product/market/channel strategy, transaction support,...