Audit firms in North Rhine-Westphalia

9 Verified firms with an office in North Rhine-Westphalia, Germany · Verified first · All auditors

These firms have a published office in North Rhine-Westphalia, Germany. A firm may also have offices elsewhere. Listings are checked facts, not endorsements or rankings.

infaz

HQ: GermanyVerified

ISO 27001

Neuss-based certification body (infaz Institut für Auditierung und Zertifizierung GmbH) for quality, environmental and information security management systems; DAkkS-accredited for ISO/IEC 27001 and the energy-sector IT security catalogue.

Neuss, North Rhine-Westphalia

TÜV Rheinland

HQ: GermanyVerified

ISO 27001

Cologne-headquartered testing and certification group; its certification entity TÜV Rheinland Cert GmbH is DAkkS-accredited for ISO/IEC 27001 and ISO 22301.

Cologne, North Rhine-Westphalia

Framework pages for this location

Related locations: Germany · Cologne, North Rhine-Westphalia · Düsseldorf, North Rhine-Westphalia

FAQ

How many audit firms are listed in North Rhine-Westphalia?

9 Verified firms have a published office in North Rhine-Westphalia, Germany. Pages exist only where at least 3 Verified firms match. This is not a ranking.

Which registry listings do you check?

Firms on this page appear because an official registry listed them for at least one published framework (ISO 27001). Each firm page names the registry row and the date checked.

Which cities in North Rhine-Westphalia have the most listed firms?

Cologne (3), Düsseldorf (3), Bonn (1), Essen (1), Neuss (1).

How do I get matched with a listed firm?

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