What happened
Deloitte Access Economics benchmarks AI governance maturity across Global and Domestic Systemically Important Banks (G-SIBs/D-SIBs) using its new Trustworthy AI Governance Index, based on a 2026 survey of 24 G-SIB/D-SIB leaders across 14 countries plus 111 senior technology/AI/data employees across 16 countries (135 total respondents). Headline findings: banks with optimized AI governance have 5x more fully-implemented AI solutions and 31% higher weekly employee AI usage than peers with rudimentary governance; every 10-point improvement in the Governance Index correlates with an average 10% revenue growth uplift; only 15% of banks provide regularly refreshed AI governance training to all staff; and annual AI incidents in financial services increased nearly 8x between 2022 and 2025. The report positions governance as a growth enabler rather than a compliance brake.
Why it matters
Gives bank boards and CROs a quantified business case — tied to revenue growth and deployment scale — for accelerating AI governance investment rather than treating it as a pure compliance cost, at a moment when financial-sector AI incidents are rising sharply.
Action needed
Benchmark internal AI governance maturity against Deloitte's Trustworthy AI Governance Index dimensions and quantify the revenue-growth case to secure board investment.