Company lists · Data verified August 2026

Top 25 Customer retention consulting firms based in Germany

Name: Customer retention consulting firms based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 90 companies tracked

There are 90 customer retention consulting firms headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 375 professional contacts across them, including 147 with verified work emails and 17 with mobile numbers. Berlin is the largest hub.

This list covers customer retention consulting firms headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

90Companies

375Contacts tracked

147Verified emails

17Mobile numbers

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The 25 largest customer retention consulting firms based in Germany

Ranked by team size

Top 25 of 90 customer retention consulting firms based in Germany, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Dialog Group	Marburg	51-200	59	40
2	Envolved Gmbh	Munich	11-50	32	22
3	Loyaltyeffect Gmbh	Unterfohring	51-200	21	6
4	Datalab. Gmbh	Dusseldorf	11-50	20	12
5	Safari Consulting	Munchen	11-50	17	8
6	Aretas Gmbh	Aschaffenburg	11-50	14	7
7	Oracom Gmbh	Berlin	51-200	13	5
8	Conversion Maker	Offenburg	11-50	12	2
9	Goldmind	Hamburg	1-10	8	3
10	Sirius Campus Gmbh	Koln	1-10	6	3
11	Ojuto Consulting Gmbh	Wuppertal	1-10	5	3
12	Customer Obsessing Consulting	Hamburg	1-10	4	4
13	Comcare 360 Gmbh	Ahrensburg	51-200	4	3
14	Hanse Executives Gmbh	Munich	11-50	4	1
15	Evisio Gmbh	Munich	1-10	4	1
16	Servicerating Analyse UND Beratung Gmbh	Cologne	1-10	4	1
17	Holistic Consulting Gmbh	Hannover	1-10	4	1
18	Ribbon Gmbh	Bremen	11-50	3	2
19	Honey-Studio	Mainz	1-10	3	2
20	Voycer Digital Gmbh	Munchen	1-10	3	1
21	Kundenliebling	Norderstedt	11-50	2	2
22	Smartone Consulting AG	Berg	1-10	2	2
23	digitell.me	Koln	1-10	2	2
24	Mehrwerk Nord Gmbh	n/a	51-200	2	1
25	Cxecutives	Berlin	1-10	2	1

Showing 25 of 90 customer retention consulting firms based in Germany

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Customer retention consulting firms based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 8 HQs

17Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Customer retention consulting firms by metro

Metro	Companies
Customer retention consulting firms in Berlin	8
Customer retention consulting firms in Munich	7
Customer retention consulting firms in Munchen	7
Customer retention consulting firms in Hamburg	6
Customer retention consulting firms in Dusseldorf	4
Customer retention consulting firms in Cologne	3
Customer retention consulting firms in Koln	3
Customer retention consulting firms in Stuttgart	3

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “customer retention consulting firms”, with match quality audited by blind human judging, and headquartered in Germany.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many customer retention consulting firms are there based in Germany?

There are 90 customer retention consulting firms headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Dialog Group, headquartered in Marburg, tops this list with the largest team on record.

Which city has the most customer retention consulting firms?

Berlin leads with 8 headquartered companies, followed by Munich (7) and Munchen (7).

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 147 verified decision-maker contacts tracked across these 90 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.