Deloitte Ranked No.1 by Revenue in Security Services for Third Consecutive Year
According to a June 2026 report from Gartner, Deloitte has been ranked first in the global security services market based on revenue for the third consecutive year with an 18.1% share of the $84.4 billion industry. The firm reported strong growth in its Security Services segment at 19.1%, up from 17% in 2024.
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