Warden AI

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Startup · AI Governance

Warden AI

Warden AI is an audit and certification service that tests AI systems used in HR for bias, fairness and regulatory compliance. It runs a public assurance directory and a regulation tracker. Based in London, with a US office in Austin.

What it does

AI bias auditing, audit trail, assurance certification, regulation tracking (Warden Watch)

Named customers

Mega HRGreenhouseJack & JillSquarePegTenzoBeameryJuiceboxAlexKulaPopp

Rules covered

EU AI ActIllinois HB 3773 AI in employmentNYC Local Law 144 bias auditsCalifornia FEHA AI rules

Why it matters

Warden AI's customers include Greenhouse, Beamery and Juicebox, all listed in 2026. It tracks the EU AI Act, NYC Local Law 144 and the Colorado AI Act, and raised a seed round in July 2025 led by the founders of Onfido.

Peers

OpsinNaaiaValidMindAiriaLiminal