Deloitte
Professional ServicesGlobal professional services firm providing audit, tax, consulting, and advisory services.
- Headquarters
- New York, United States
- Founded
- 1845
- Employees
- 415,000
- Type
- Private
Expertise: Audit, Tax, Consulting, Financial Advisory, Risk Management, Technology
PwC
Professional ServicesLeading global professional services network offering audit, tax, and consulting services.
- Headquarters
- London, United Kingdom
- Founded
- 1849
- Employees
- 364,000
- Type
- Private
Expertise: Audit, Tax, Consulting, Advisory, Assurance, Forensics
EY
Professional ServicesGlobal professional services firm providing audit, tax, advisory, and consulting services.
- Headquarters
- London, United Kingdom
- Founded
- 1989
- Employees
- 312,000
- Type
- Private
Expertise: Audit, Tax, Advisory, Consulting, Assurance, Transaction Advisory
KPMG
Professional ServicesGlobal professional services organization delivering audit, tax, and advisory services.
- Headquarters
- Amsterdam, Netherlands
- Founded
- 1987
- Employees
- 236,000
- Type
- Private
Expertise: Audit, Tax, Advisory, Consulting, Risk Management, Technology
McKinsey & Company
Management ConsultingLeading global management consulting firm focused on strategy and organizational transformation.
- Headquarters
- New York, United States
- Founded
- 1926
- Employees
- 45,000
- Type
- Private
Expertise: Strategy, Operations, Organization, Digital Transformation, Performance Improvement, Industry Solutions
Accenture
Professional Services, IT ConsultingGlobal professional services company delivering consulting, technology, and outsourcing solutions.
- Headquarters
- Dublin, Ireland
- Founder
- George Shaheen
- Founded
- 1989
- Employees
- 774,000
- Type
- Public
Expertise: Consulting, Technology Services, Digital Transformation, Cloud, Security, Industry Solutions
Boston Consulting Group (BCG)
Management ConsultingLeading global management consulting firm focused on strategy and digital transformation.
- Headquarters
- Boston, United States
- Founded
- 1963
- Employees
- 29,000
- Type
- Private
Expertise: Strategy, Operations, Digital Transformation, Organizational Change, Technology, M&A