Deloitte Tops Gartner's 2025 Security Services Ranking With 18.1% Share
Updated
Updated · PR Newswire · Jun 22
Deloitte Tops Gartner's 2025 Security Services Ranking With 18.1% Share
3 articles · Updated · PR Newswire · Jun 22
Summary
Deloitte secured Gartner's No. 1 worldwide security services revenue ranking for 2025, marking its third straight year at the top.
18.1% global market share and 19.1% security-services revenue growth helped Deloitte outpace a market that expanded 11.5% to $84.4 billion in 2025.
32% of the security consulting segment went to Deloitte in 2025, up from 30.7% a year earlier, preserving its top spot in that sub-market.
Deloitte tied the result to AI-focused cyber investments, including Cyber AI Blueprints, operational-technology security services, and a global cyber survey spanning 1,058 leaders in 43 countries.