Citadel AI

Testing and monitoring high-risk AI systems.

Tokyo, JapanFounded 202010-50 peoplecitadel-ai.com

L2Cross-referenced, highest level reached

1 cross-referenced

Verified against independent sources

bsigroup.com2026-07-07

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Citadel AI is a L2-verified AI-implementation provider based in Tokyo, Japan, delivering mlops-evaluation, governance-compliance. Ranked on proof, 1 verified records on the Trustgent index.

What they build

Tokyo startup founded 2020 by engineers from Google Brain, Waymo, PayPal, and Toyota. Ships the Citadel Lens platform for AI testing and monitoring, plus advisory work mapping client AI systems to standards including Japan's AI Guidelines for Business and the EU AI Act. Works with regulated buyers in healthcare and financial services.

Quick facts

HQ: Tokyo, Japan
Founded: 2020
Team: 10-50
Languages
Stack

Capabilities

MLOps & evaluation
AI governance & compliance

Industries served

Financial services
Healthcare

Regulatory readiness

Cross-referenced against public registries where a public source exists (L2+). The check mark marks an attribute we have a source for, see the proof page.

About Citadel AI

What does Citadel AI build?

Citadel AI is a L2-verified AI-implementation provider on Trustgent, delivering MLOps & evaluation, AI governance & compliance.

Where is Citadel AI based?

Citadel AI is headquartered in Tokyo, Japan.

How is Citadel AI verified on Trustgent?

Citadel AI has an EARNED verification level of L2 on Trustgent, with 1 contributing verified records (most recent verification: 2026-07-07). Verification is independent of any subscription, plan tier is never a ranking input.

How is Citadel AI ranked?

Rank is a pure function of three EARNED signals: verification level (dominant), record count, and recency. No plan, fee, spend, or paid placement is ever an input. See https://trustgent.com/how-we-rank.