Data:Big4 Accounting Revenue Audit Assurance.tab
Big4 Accounting Revenue Audit Assurance (Audit & Assurance Revenue (US$ bn))
| Year | Deloitte | PwC | EY | KPMG |
|---|---|---|---|---|
| number | number | number | number | number |
| Year | Deloitte | PwC | EY | KPMG |
| 2014 | 10.1 | 15.1 | 11.3 | 10.5 |
| 2015 | 9.8 | 15.2 | 11.3 | 10 |
| 2016 | 9.4 | 15.3 | 11.3 | 10.1 |
| 2017 | 9.4 | 16 | 11.6 | 10.4 |
| 2018 | 10.2 | 17.1 | 12.6 | 11.2 |
| 2019 | 10.2 | 17.4 | 12.6 | 11.2 |
| 2020 | 9.9 | 17.6 | 12.8 | 11.1 |
| 2021 | 10.5 | 17.1 | 13.6 | 11.5 |
| 2022 | 11.4 | 18 | 14.4 | 11.9 |
| 2023 | 12.3 | 18.7 | 16.4 | 12.6 |
| 2024 | 12.8 | 19.5 | 17.3 | 13.4 |
| 2025 | 17.9 |
- Deloitte 2025: https://web.archive.org/web/20251010175259/https://www.deloitte.com/global/en/about/press-room/global-revenue-announcement.html
- PwC 2025:
- EY 2025: https://web.archive.org/web/20251018043033/https://www.ey.com/en_gl/newsroom/2025/10/ey-announces-global-revenue-of-us-53-2b-for-fiscal-year-2025
- KPMG 2025:
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