Deloitte
Deloitte Touche Tohmatsu Limited
Company Overview
Deloitte is the world's largest professional services firm, providing audit, tax, consulting, risk advisory, and financial advisory services to clients across virtually every industry. Founded in London in 1845, Deloitte has grown to over 457,000 professionals in more than 150 countries. Known as one of the "Big Four" accounting firms, Deloitte consistently ranks #1 in global revenue among professional services networks. The firm serves Fortune 500 companies, government agencies, private equity firms, and emerging growth companies with a focus on helping clients navigate complex business challenges in an era of rapid technological change.
Service Lines
- Financial Statement Audits
- Internal Audit
- SOX Compliance
- ESG Reporting
- IPO Readiness
- PCAOB Inspections
- Cybersecurity Audits
- Corporate Tax
- International Tax
- Transfer Pricing
- Indirect Tax (VAT)
- M&A Tax
- Global Employer Services
- Legal Services
- Strategy & Operations
- Technology Consulting
- Human Capital
- Customer Experience
- Supply Chain
- M&A Advisory
- Enterprise Transformation
- Cyber Risk
- Regulatory Risk
- Financial Risk
- Operational Risk
- Climate & Sustainability Risk
- Third-Party Risk
- Crisis Management
- M&A Advisory
- Valuation
- Restructuring
- Due Diligence
- Forensic & Investigations
- Real Estate Advisory
- Infrastructure Advisory
- Largest professional services firm by revenue — scale provides unmatched resources, global reach, and breadth of expertise
- Deep consulting capabilities that rival pure strategy firms (McKinsey, BCG, Bain) while maintaining audit independence and regulatory credibility
- Industry-leading investment in technology and AI — Deloitte has been recognized as a leader in digital transformation, cloud, and cybersecurity consulting
Deloitte has been recognized by Vault as one of the Most Prestigious Consulting Firms and consistently ranks as a top employer by Fortune and LinkedIn. The firm has received numerous awards for diversity and inclusion, innovation in AI and technology, and sustainability leadership. Deloitte Digital has been recognized by Gartner and Forrester as a leader in digital transformation services.
Frequently Asked Questions
What services does Deloitte offer?
Deloitte offers five main service lines: Audit & Assurance, Tax & Legal, Consulting, Risk Advisory, and Financial Advisory. Within these, they provide everything from financial statement audits and tax compliance to M&A advisory, cybersecurity consulting, and enterprise transformation.
How big is Deloitte?
Deloitte is the largest professional services firm in the world with over 457,000 employees across 150+ countries and 700+ offices. In FY2024, they generated approximately $65 billion in revenue, making them bigger than their competitors (PwC, EY, KPMG).
What is the Big Four?
The Big Four refers to the four largest accounting and professional services firms: Deloitte, PwC (PricewaterhouseCoopers), EY (Ernst & Young), and KPMG. Together they audit nearly all Fortune 500 companies and dominate the global accounting and consulting industry.
Does Deloitte do consulting?
Yes, consulting is one of Deloitte's largest and fastest-growing service lines. They provide strategy, operations, technology, human capital, and customer experience consulting. Deloitte Consulting often competes with pure strategy firms like McKinsey, BCG, and Bain.
What industries does Deloitte specialize in?
Deloitte serves virtually every industry but has particularly deep expertise in: financial services, technology/telecom, consumer products, healthcare/life sciences, energy, government, and automotive. They also have a major private equity practice.
How do I get a job at Deloitte?
Deloitte hires through campus recruiting, experienced hire programs, and referrals. They recruit heavily from top universities for entry-level positions and seek experienced professionals with industry expertise. Key hiring areas: accounting, consulting, technology, data analytics, and cybersecurity.
Contact Deloitte
Information provided is for educational purposes only. Data sourced from publicly available information. Please verify all details directly with Deloitte before making business decisions.