1. Summary
  2. Big Four Accounting Firms
  3. Highlights of Big four
  4. Understanding the Big Four


The Big Four accounting corporations refer to Deloitte, PricewaterhouseCoopers (PwC), KPMG, and Max Ernst & Young. These corporations are the four largest skilled services corporations within the world that give audit, dealing informative, taxation, consulting, risk informative, and calculator services. The massive Four perform audits on the bulk of public firms and personal firms throughout the globe.

Big Four Accounting Firms


Deloitte Touche Tohmatsu restricted, a lot of usually remarked as Deloitte, maybe a UK-incorporated international professional services firm with headquarters in NY town. Wide thought to be one every of the highest corporations inside the massive Four, Deloitte is renowned for its audit, tax, risk, monetary informative and consulting services.

With offices in additional than a hundred locations worldwide, it is rumored the best revenue among the massive Four accounting corporations in 2016 and is taken into account the sixth-largest camera-owned organization in the US.

Pricewaterhouse Coopers (PwC)

Pricewaterhouse Coopers is another international skilled services network within the massive Four. Headquartered in London, it ranks simply behind Deloitte in terms of revenue and size. With offices in additional than one hundred fifty locations worldwide, PwC brought in $35.9 billion in revenue in 2016.

PwC was created in 1998 from a merger between worth Waterhouse and Coopers & Lybrand. In Sep 2010, the incorporated company’s name was shortened to PwC as a rebranding effort. The firm is the fifth-largest in the camera-owned company in the US.


KPMG, which stands for Klynveld humate Marwick Goerdeler, was fashioned from a merger between Klynveld Main Goerdeler (KMG) and humate Marwick in 1987. With headquarters in the national capital, a European country, KPMG presently employs 19,000 employees with 3 main distinctive service lines: attestation report, tax, and informative. Every national KPMG firm may be a freelance legal entity and is a member of KPMG International Cooperative, a Swiss entity.

Ernst & Young (EY)

Ernst & Young, a lot usually remarked as EY, is another massive four firm with headquarters in London. EY was hierarchic because it was the 29th best company to figure for within the u.  s., furthermore because the 11th largest personal organization within the world. it had been fashioned from a merger between Max Ernst & Whinney and Arthur Young & Co. in 1989.

With many world offices, EY brought in $29.6 billion in revenue in its 2016 yr. it’s called the auditor of the many technical school corporations within the geographic region.

Highlights of Big four

  • The “Big Four” refers to the four largest accounting corporations within the  US
  • The largest accounting corporations are accustomed to comprising the “Big Eight” corporations, however, mergers and closures have reduced the highest tier of firms.
  • These four corporations audit the monetary statements for the overwhelming majority of firms within the S&P five hundred.
  • In addition to their auditing services, the massive Four additionally provides consulting, valuation, research, assurance, and legal information services.
  • Securing employment at a giant Four firm is taken into account as extremely competitive, and the busy season is commonly a lot strenuous compared to different public accounting corporations.

Understanding the Big Four

Through trade consolidation that began in 1989, what was accustomed to being the massive Eight has become the massive Four these days. The eight, in alphabetical order, were Arthur author, Arthur Young, Coopers & Lybrand, Deloitte Haskin & Sells, Max Ernst & Whinney, humate Marwick Mitchell, worth Waterhouse, and Touche Ross—all U.S. or U.K. entities.

Arthur Young combined with Max Ernst & Whinney and Deloitte Haskin & Sells incorporated with Touche Ross to cut back the cluster count to 6. worth Waterhouse and Coopers & Lybrand then incorporated their practices making it 5. Following the collapse of Arthur’s author, thanks to its tested responsibility in the Enron scandal, the 5 became the contemporary four.

These corporations perform most of the auditing work for a few of the largest public companies around the globe. The overwhelming majority of Fortune five hundred firms have their financial statements audited by one in every of the massive Four. Their shoppers embody such powerhouses as county wife, Ford Motor Co., Apple, Exxon Mobil, and Amazon. in step with a 2018 report by the CFA Institute, a half-hour of the S&P five hundred were audited by PwC, 31% by EY, two hundredth by Deloitte, and nineteen by KPMG.

With 360-degree views of firms and industries, the massive Four are authorities within the business. They need intensive recruiting and coaching programs for recent graduates and sought-after passageways for tax and consulting professionals to and from several industrial sectors.