Company lists · Data refreshed September 2026

Top 25 Data privacy audit services based in Germany

RevenueBase identified 218 data privacy audit services headquartered in Germany as of September 2026 and tracks 682 professional contacts across them, including 245 with verified work emails. Hamburg is the largest hub.

This list covers data privacy audit services headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
218Companies
682Contacts tracked
245Verified emails
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The 25 largest data privacy audit services based in Germany

Ranked by team size
Top 25 of 218 data privacy audit services based in Germany, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to data privacy audit services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceHamburg, GermanyHQ checked Sep 28, 202651-20071 contacts →

Indirect evidence

“intersoft consulting ist ein spezialisiertes Beratungsunternehmen in den Bereichen Datenschutz, IT-Sicherheit und IT-Forensik.”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceCologne, GermanyHQ checked Sep 28, 202651-20037 contacts →

Indirect evidence

“KINAST Rechtsanwälte is a law practice company based in Cologne, North Rhine-Westphalia, Germany.”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceHutthurm, GermanyHQ checked Sep 28, 202611-5021 contacts →

Partial evidence

“More than 20 years of experience have teached us the importance of data protection and IT security in companies.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceRegensburg, GermanyHQ checked Sep 28, 202651-20020 contacts →

Indirect evidence

“Projekt 29 – Ihr Partner für Datenschutz und IT-Compliance Mit über 4.500 Kunden, die bereits unter dem P29-Group-Schutzschild stehen, bieten wir umfassenden Schutz und…”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceHerford, GermanyHQ checked Sep 28, 202611-5019 contacts →

Indirect evidence

“Ihr zuverlässiger Partner für Consulting, Training und Services im Bereich Datenschutz und Informationssicherheit.”

Source: RevenueBase Database · checked Sep 28, 2026
6Strong evidenceBremen, GermanyHQ checked Sep 28, 202611-5017 contacts →

Strong evidence

“FIRST PRIVACY is member of the DSN GROUP – a leading provider of services for the management and assessment of corporate data protection.”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceRatingen, GermanyHQ checked Sep 28, 202611-5016 contacts →

Partial evidence

“Die Tengelmann Audit GmbH ist eine Prüfungs- und Beratungsgesellschaft mit einem vielfältigen Leistungsportfolio rund um die Themen Datenschutz, IT-Sicherheit und Revision.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceMünster, GermanyHQ checked Sep 28, 202611-5014 contacts →

Indirect evidence

“Unser Anspruch ist Datenschutz auf höchstem Niveau.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceDachau, GermanyHQ checked Sep 28, 202611-5010 contacts →

Indirect evidence

“Die ituso GmbH ist ein IT-Unternehmen mit den Schwerpunkten Datenschutz, Informationssicherheit und IT-Projektmanagement.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceHannover, GermanyHQ checked Sep 28, 202611-508 contacts →

Indirect evidence

“lexICT ist eine Datenschutz-Beratungsfirma mit Sitz in Hannover, die großen Wert auf eine individuelle Beratung und die Entwicklungen pragmatischer Lösungen setzt.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceMünster, GermanyHQ checked Sep 28, 202611-508 contacts →

Indirect evidence

“Datenschutz und Datensicherheit”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceBerlin, GermanyHQ checked Sep 28, 202611-508 contacts →

Indirect evidence

“Simpliant unterstützt Unternehmen dabei, Datenschutz, KI- und IT-Sicherheitsanforderungen pragmatisch und wirksam umzusetzen.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceMünchen, GermanyHQ checked Sep 28, 202611-508 contacts →

Indirect evidence

“Die DSGVO stellt hohe Datenschutzanforderungen an Kommunen.”

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceLindlar, GermanyHQ checked Sep 28, 202611-507 contacts →

Partial evidence

“We, the fox-on team, can help you in every aspect when it comes to data protection.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceTraunreut, GermanyHQ checked Sep 28, 20261-107 contacts →

Indirect evidence

“Herzlich willkommen bei PETZKA Consulting GMBH - Ihren Experten für Datenschutz, Compliance und Cybersicherheit im südostbayerischen Raum zwischen Salzburg und München.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceDüsseldorf, GermanyHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

“Wir sind zertifizierte Datenschutzbeauftragte und Datenschutzauditoren.”

Source: RevenueBase Database · checked Sep 28, 2026
17Strong evidenceBerlin, GermanyHQ checked Sep 28, 20261-105 contacts →

Strong evidence

“minimi is a cutting-edge data privacy service helping individuals safeguard their personal information.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceVersmold, GermanyHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

“Die EDV-Unternehmensberatung Floß GmbH zählt deutschlandweit zu einem kleinen Kreis von Consultants, die sich auf die technischen, juristischen und organisatorischen Aspekte des…”

Source: RevenueBase Database · checked Sep 28, 2026
19Strong evidenceBerlin, GermanyHQ checked Sep 28, 20261-105 contacts →

Strong evidence

“Data privacy protection an Cyber security”

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceDarmstadt, GermanyHQ checked Sep 28, 20261-104 contacts →

Partial evidence

“NOTOS Xperts GmbH is a wholly affiliated spin-off of NOTOS law firm and specializes in all areas of data protection.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceMunich, GermanyHQ checked Sep 28, 20261-104 contacts →

Indirect evidence

“ITSB Deutschland ist Ihr externer Partner für IT-Sicherheit, Informationssicherheit, Datenschutz und Compliance im Mittelstand.”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceSeulingen, GermanyHQ checked Sep 28, 20261-104 contacts →

Indirect evidence

“Mit KIJUda haben Sie einen Partner und Datenschutz-Experten an Ihrer Seite, der Sie allumfassend in allen Bereichen des Datenschutzmanagements betreut und unterstützt – von der…”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceHennstedt, GermanyHQ checked Sep 28, 20261-104 contacts →

Indirect evidence

“COMPLIANCE TECHNIK MENSCH Datenschutz berührt immer immer drei Ebenen - die rechtliche Grundlage, die technische Umsetzung – und in die Menschen, die beides täglich in die Hand…”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidencePlanegg, GermanyHQ checked Sep 28, 20261-104 contacts →

Indirect evidence

“Top-Beratung zu Informationssicherheit und Datenschutz - als externer Datenschutzbeauftragter, externer Informationssicherheitsbeauftragter/CISO oder im Projekt.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceBad Homburg Vor Der Höhe, GermanyHQ checked Sep 28, 202611-503 contacts →

Indirect evidence

“Die DDI – Deutsches Datenschutz Institut GmbH ist ein Beratungsunternehmen, das es sich zur Aufgabe gemacht hat, seine Kunden in allen Bereichen und Aspekten des Datenschutzes zu…”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 218 data privacy audit services based in Germany

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Data privacy audit services based in Germany at a glance

As of Sep 28, 2026
35.9%Verified-email coverage
3.1Average contacts per company
1-10Median size (employees)
7.8%Largest-city concentration · Hamburg
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
175
11-50
36
51-200
3
201-500
1

Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 218 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among data privacy audit services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Germany whose own description of what they do matches “data privacy audit services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names data privacy audit services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among data privacy audit services, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 245 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names data privacy audit services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many data privacy audit services are there based in Germany?

RevenueBase identified 218 data privacy audit services headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Intersoft Consulting Services AG, headquartered in Hamburg, tops this list with the largest team on record.

Which city has the most data privacy audit services?

Hamburg leads with 17 headquartered companies, followed by Berlin (15) and Munchen (13).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 245 verified decision-maker contacts tracked across these 218 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.