Deloitte is one of the largest professional services firms in the world, known for providing a wide range of services in audit, consulting, tax, risk advisory, and financial advisory. Here's a detailed overview:
Full Name: Deloitte Touche Tohmatsu Limited (DTTL)
Founded: 1845 by William Welch Deloitte in London, UK
Headquarters: London, United Kingdom
Type: Private company, operates as a network of independent legal entities
Global CEO (as of 2024): Joe Ucuzoglu
Employees: Over 450,000 (as of 2024)
Offices: Present in over 150 countries and territories
Revenue: ~$65 billion USD (2023)
Audit & Assurance – Independent audits, financial reporting, internal control review.
Consulting – Strategy, analytics, human capital, technology integration, cloud services.
Tax & Legal – Tax advisory, compliance, international tax, business restructuring.
Risk Advisory – Cybersecurity, regulatory compliance, enterprise risk management.
Financial Advisory – M&A, restructuring, forensic, valuation, transaction services.
Financial services
Technology, Media, and Telecommunications (TMT)
Healthcare & Life Sciences
Energy, Resources, & Industrials
Consumer & Retail
Government & Public Services
Member of the Big Four accounting firms (alongside PwC, EY, and KPMG)
Known for its strong consulting arm, especially in digital transformation and innovation
Invests heavily in AI, cloud technologies, and sustainability services
Regularly ranks high on Fortune’s Best Places to Work and Diversity and Inclusion indices
AI and Tech Investments: Major investments in Generative AI through partnerships with companies like NVIDIA and Google Cloud.
Sustainability & ESG: Launch of the Deloitte Sustainability & Climate practice to support global decarbonization.
Future of Work: Focus on hybrid work models and upskilling employees in digital and leadership capabilities.