Deloitte LLP Overview
Pro stress-test →Deloitte reported aggregate global revenue of $70.5 billion for the fiscal year ending May 31, 2025 (FY2025), a 4.8% increase from FY2024. The firm is the largest of the Big Four firms and provides leading professional services to nearly 90% of the Fortune Global 500® and thousands of private companies.
Strategic Profile
Pro stress-test →Deloitte is uniquely positioned to help businesses, governments, and markets capture the full potential of AI by integrating unrivaled depth of expertise across key business domains with modern engineering capabilities and outcome orientation. The firm has pledged $3 billion of investments in generative AI through FY 2030 to upgrade delivery and operations and launch new products and offerings.
Competitive Landscape
Pro stress-test →Deloitte is the largest of the Big Four firms, which also include PwC (PricewaterhouseCoopers), EY (Ernst & Young), and KPMG. The firm competes across audit, assurance, consulting, tax, risk advisory, and financial services, with particularly strong positioning in consulting services and AI-driven transformation.
Industry Context
Deloitte LLP operates in Professional Services Consulting.
Key facts
Founded: 1845 · Headquarters: New York, US · Employees: 470,000 · Revenue: $70.5B (FY2025)