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Case study · Celsa Group

How Celsa Group piloted AI-powered control testing with Kaption

Organisation
European steel group
Team
Internal Audit & Risk Control
Engagement
Pilot, 60 ICFR / SCIIF controls

c.5,000

Employees

30+

Legal entities

800+

Controls

Pilot results

85%

Reasoning alignment

<10%

False negatives

<2 min

Per control

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The challenge

A lean internal audit and risk control team responsible for more than 800 controls across 30+ legal entities. Testing relied on samples and manual evidence requests, and the cycle left little time for the analysis the business actually needed.

The pilot

Kaption was configured to Celsa's controls, evidence formats and review workflow, with a KPI agreed before the first run. Agents gathered evidence, processed the data and tested each control, citing every conclusion to source for the team to review.

The results

Agent reasoning aligned with the auditors' own judgement in 85% of cases, with fewer than 10% false negatives and under two minutes per control tested. The next step is a full-group rollout across finance, tax and operational controls.

“Far beyond anything similar I've ever seen in the market.”
Edgar Garcia · Head of Internal Audit & Risk Control
Fig. 1 — Sample-based testing (left) vs full-population testing (right)

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Hosting
UK or EU by default, or your own cloud tenant
Models
Enterprise or private endpoints only. No model training
Encryption
In transit and at rest, keys managed per client
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