Company lists · Data refreshed November 2026
All Big 4 audit firms lists
Every Big 4 audit firms list RevenueBase publishes, by country and city. 210 lists covering 35,567 companies, verified November 2026. Largest markets first.
Big 4 audit firms by location
- Big 4 audit firms based in Charlotte, United States25
- Big 4 audit firms based in Glasgow, United Kingdom25
- Big 4 audit firms based in Hong Kong, Hong Kong25
- Big 4 audit firms based in Indianapolis, United States25
- Big 4 audit firms based in Irvine, United States25
- Big 4 audit firms based in Marseille, France25
- Big 4 audit firms based in Orlando, United States25
- Big 4 audit firms based in Toulouse, France25
- Big 4 audit firms based in Valencia, Spain25
- Big 4 audit firms based in Washington, United States25
Counts are matching companies in the RevenueBase company graph as of each list's last refresh date.