Professional services: Sources

Audit, tax, legal, consulting and engineering design firms selling expert judgement

Sources

1. Deloitte reports FY2025 revenue Deloitte Global, 2025
2. EY announces global revenue of US$53.2b for fiscal year 2025 EY Global, 2025
3. PwC global revenues rise to US$56.9 billion PwC Global, 2025
4. KPMG delivers 5.1% rise in global revenue KPMG, 2025
5. India's GCC industry records $98.4 billion revenue in FY26 (Awfis and Zinnov report) Free Press Journal, 2026
6. Value added by industry: professional, scientific, and technical services (VAPST) US Bureau of Economic Analysis via FRED/ALFRED, Federal Reserve Bank of St Louis, 2026
7. Audit market and competition developments: 2025 update Financial Reporting Council (UK), 2025