Deloitte is usually regarded as the most prestigious of the Big 4, thanks to its global brand and revenue, yet local reputation and specialization can make PwC, EY or KPMG more prestigious in particular markets or services.
Global brand and revenue
Deloitte reported $65 billion in 2023, the highest among the four. Its consulting arm contributes more than half of that figure, reinforcing a modern, tech‑driven image. PwC, EY and KPMG follow with $53 billion, $41 billion and $36 billion respectively.
Audit reputation and market share
In audit, PwC remains the leader in the UK and Europe, handling 42 % of S&P 500 audits. KPMG has a strong forensic presence, notably in the Wirecard investigation, and is trusted in Canada for mid‑cap firms. EY’s audit credibility was hit by the Carillion and SEC incidents but is recovering through ESG focus.
Specialty influence
EY leads in sustainability and ESG reporting, training thousands of staff in 2023. Deloitte dominates tech and digital transformation projects. KPMG excels in financial services regulation and forensic accounting. PwC’s tax and cross‑border compliance remain highly sought after.
Geographic variations
In London, PwC carries aristocratic weight; in Shanghai, Deloitte’s tech consulting is prized; in Johannesburg, PwC and EY vie for mining clients; in Canada, KPMG is the go‑to for regional banks. Regional dominance can outweigh global brand in local perception.
Career implications
Entry‑level salaries are similar across firms, but bonuses differ: Deloitte can reach 15 %, PwC 12 %. Top partners at Deloitte earn the most, largely due to consulting deals. Alumni networks also differ: Deloitte alumni often move into tech strategy, PwC into CFO roles, EY into sustainability leadership, and KPMG into internal audit or compliance.