Deloitte
Big Four firm selling AI consulting, audit and tax work, plus its ZoraAI agentic product business.
- Revenue
- Global revenue $74.5B for the year to May 2026, up 5.7% in dollars
- Growth
- Plans to invest $3B through 2030 in operations and technology-enabled services
- Based in
- London, UK
- Listed
- Private
Audit and tax clients let it sell AI to finance teams it already serves.
Its AI revenue is not disclosed, so the size of its AI business is unknown.
Money coming in
Who pays Deloitte, and for what.
No customers of Deloitte mapped yet.
Money going out
Who Deloitte pays to do what it does.
No suppliers of Deloitte mapped yet.
Where it sits on the map
Competitors and neighbours
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About $13B revenue in 2025, against about $34B of costs (reported)
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Annualised revenue run rate above $65B at the end of July 2026, reported from an investor update (Aug 2026)
Open profileThe largest global integrator, building and running AI systems for large firms and governments.
Record $22.1B of bookings in one quarter (Mar 2026)
Open profileFrench consulting and engineering firm that builds AI and runs outsourced operations for clients.
2025 revenue €22.5B, up 1.7%
Open profileIBM Consulting designs and runs AI and digital change for large banks, insurers and governments.
Q2 2026 revenue about $17.2B, up about 1%
Open profileIndian IT services firm that builds and runs AI and digital systems for global clients.
FY26 (year to Mar 2026) constant-currency growth of 3.1%
Open profileData software plus engineers who work inside a client's business to put AI to use.
Q2 2026 revenue $1.94B, up 93% year on year. Full-year guidance about $8.15B
Open profileStrategy consultancy with AI and deployment teams, named in the February 2026 OpenAI partnership.
Open profileStrategy consultancy with a large AI practice, named in a February 2026 OpenAI deployment partnership.
Open profileSources: deloitte.com
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