From management consulting giants steering corporate strategies to technology-driven enterprises reshaping industries, these top 10 professional services businesses symbolize the pinnacle of global success. 

As of 2024, these professional service firms are bringing in the most revenue worldwide. In 2022 the global market for professional services reached a valuation of USD 6.02 Trillion. These firms each contributed a significant dent towards that figure.

1. Accenture
Industry: IT
Yearly Revenue: $64.58 B 
Location: 🇮🇪 Ireland
Operating margin: 14.89%
(All $ in USD)

2. Schneider Electric
Industry: Digital Automation & Energy Management
Yearly Revenue: $36.60 B
Location: 🇫🇷 France
Operating margin: 13.80%

3. NTT Data
Industry: IT
Yearly Revenue: $30.16 B
Location: 🇯🇵 Japan
Operating margin: 7.37%

4. Tata Consultancy Services
Industry: IT
Yearly Revenue: $28.90 B
Location: 🇮🇳 India
Operating margin: 25.79%

5. Randstad
Industry: HR
Yearly Revenue: $28.25 B
Location: 🇳🇱 Netherlands
Operating margin: 3.88%

6. Fujitsu
Industry: IT
Yearly Revenue: $26.31 B
Location: 🇯🇵 Japan
Operating margin: 9.56%

7. Adecco Group
Industry: Finance
Yearly Revenue: $25.89 B
Location: 🇨🇭 Switzerland
Operating margin: 3.1%
Learn more: How to calculate your margin

8. Recruit
Industry: HR
Yearly Revenue: $24.53 B
Location: 🇯🇵 Japan
Operating margin: 10.72%

9. Capgemini
Industry: IT
Yearly Revenue: $23.55 B
Location: 🇫🇷 France
Operating margin: 10.29%

10. Marsh & McLennan Companies
Industry: Insurance Brokering & Risk Management
Yearly Revenue: $22.20 B
Location: 🇺🇸 USA
Operating margin: 20.35%