The Big Four is the collective designation for the four largest international professional services networks: Deloitte, PwC, EY, and KPMG. These organizations provide audit, assurance, taxation, management consulting, actuarial, corporate finance, and legal services. They manage the majority of audits for publicly traded companies globally and are considered a consolidated oligopoly in the high-end accounting market.
Brand Authority Index (BAI): 94/100
Archetype: Incumbent
Category: Professional Services