Company lists · Data refreshed September 2026

Top 25 Client retention consulting firms based in Germany

RevenueBase identified 91 client retention consulting firms headquartered in Germany as of September 2026 and tracks 662 professional contacts across them, including 307 with verified work emails. Berlin is the largest hub.

This list covers client 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 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 27, 2026 86% judged on-target in blind review
91Companies
662Contacts tracked
307Verified emails
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The 25 largest client retention consulting firms based in Germany

Ranked by team size
Top 25 of 91 client retention consulting firms based in Germany, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to client retention consulting firms: 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
1Partial evidenceMunich, GermanyHQ checked Sep 27, 2026201-500336 contacts →

Partial evidence

“We are The Retail Performance Company (rpc), the consulting firm dedicated to the entire process of customer-centric transformation: from strategy, via customer experience design…”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceMunich, GermanyHQ checked Sep 27, 202611-5032 contacts →

Indirect evidence

“Welcome to Envolved, where we believe that Customer Centricity is crucial for sustainable and profitable growth.”

Source: RevenueBase Database · checked Sep 27, 2026
3Indirect evidenceLeipzig, GermanyHQ checked Sep 27, 20261-1022 contacts →

Indirect evidence

“Ich bin Experte für Customer Engagement und Customer Intelligence sowie Inbound Marketing und deren Umsetzung in der Unternehmenskommunikation – online, offline sowie in sozialen…”

Source: RevenueBase Database · checked Sep 27, 2026
4Indirect evidenceUnterföhring, GermanyHQ checked Sep 27, 202651-20021 contacts →

Indirect evidence

“Die Loyalty Effect GmbH ist ein führendes Unternehmen im Bereich Kundenbindung und Customer Loyalty Management.”

Source: RevenueBase Database · checked Sep 27, 2026
5Indirect evidenceDüsseldorf, GermanyHQ checked Sep 27, 202611-5018 contacts →

Indirect evidence

“Wir sind darauf spezialisiert, Unternehmen erfolgreicher in der Beziehung mit ihren Kunden zu machen.”

Source: RevenueBase Database · checked Sep 27, 2026
6Partial evidenceMainz Und München, GermanyHQ checked Sep 27, 202611-5018 contacts →

Partial evidence

“Willkommen bei Safari Consulting - seit über 20 Jahren begleiten wir unsere Kunden aus verschiedenen Branchen dabei, insbesondere im Vertrieb und Kundenservice immer besser zu…”

Source: RevenueBase Database · checked Sep 27, 2026
7Indirect evidenceBerlin, GermanyHQ checked Sep 27, 202651-20013 contacts →

Indirect evidence

“Wir helfen Unternehmen ihre Kundenkommunikation erfolgreicher zu gestalten, um wieder entspannt wachsen zu können.”

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceBocholt, GermanyHQ checked Sep 27, 202611-508 contacts →

Indirect evidence

“Wir beraten Unternehmen bei der Umsetzung von Mitarbeiterbindungskonzepten, sowie Strategien zur Steigerung der Arbeitgeberattraktivität.”

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceHamburg, GermanyHQ checked Sep 27, 20261-108 contacts →

Indirect evidence

“Wie viel Umsatzpotenzial steckt noch in Ihrem Verkauf?”

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceRatingen, GermanyHQ checked Sep 27, 202611-507 contacts →

Indirect evidence

“SR Strategy Routes GmbH – Experts in Markets, People & Strategies is a consultancy for strategic marketing, market intelligence & customer experience (founded in 2012) but with…”

Source: RevenueBase Database · checked Sep 27, 2026
11Partial evidenceTeningen, GermanyHQ checked Sep 27, 20261-106 contacts →

Partial evidence

“Onlinegen.de ist eine spezialisierte Agentur, die sich auf die Entwicklung und Umsetzung effektiver Retention, CRM- und E-Mail-Marketingstrategien für D2C-Onlineshops konzentriert.”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceKöln, GermanyHQ checked Sep 27, 20261-106 contacts →

Indirect evidence

“Wir sind ein junges Forschungs- und Beratungsinstitut mit Sitz in Köln, das sich auf die Analyse und Gestaltung von Konsumentenverhaltung auf Basis von psychologischen…”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidenceStadt Hamburg, GermanyHQ checked Sep 27, 20261-104 contacts →

Indirect evidence

“We Elevate the people behind Customer Success.”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceMunich, GermanyHQ checked Sep 27, 20261-104 contacts →

Partial evidence

“evisio specializes in three different consulting approaches: Procurement Optimisation, Product Introductions and Digital Loyalty.”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceElmshorn, GermanyHQ checked Sep 27, 202611-504 contacts →

Indirect evidence

“We find concepts and solutions for people, brands and companies.”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceCologne, GermanyHQ checked Sep 27, 20261-104 contacts →

Indirect evidence

“Wir wollen loyale Kunden!”

Source: RevenueBase Database · checked Sep 27, 2026
17Indirect evidenceMainz, GermanyHQ checked Sep 27, 20261-103 contacts →

Indirect evidence

“Büro für Kund:innen-Zentrierung und Touchpoint-Gestaltung.”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceHamburg, GermanyHQ checked Sep 27, 202611-503 contacts →

Indirect evidence

“Wir sind eine Unternehmensberatung mit Schwerpunkt Kundenservice und Customer Management Wir sind überzeugt, dass die Zukunftsfähigkeit von Unternehmen entscheidend von ihrer…”

Source: RevenueBase Database · checked Sep 27, 2026
19Indirect evidenceIdstein, GermanyHQ checked Sep 27, 202611-503 contacts →

Indirect evidence

“Wir unterstützen unsere Kunden seit vielen Jahren erfolgreich mit relevanten Daten sowie Datenmanagement- und Analyseleistungen bei der Neukundengewinnung und der Ausschöpfung von…”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceMunich, GermanyHQ checked Sep 27, 20261-103 contacts →

Partial evidence

“Voycer offers comprehensive Direct-to-Consumer solutions, from strategy consulting to technology implementation.”

Source: RevenueBase Database · checked Sep 27, 2026
21Partial evidenceTacherting, GermanyHQ checked Sep 27, 20261-103 contacts →

Partial evidence

“Die abc alfons breu consulting ist ein alt eingesessenes Beratungsunternehmen in Oberbayern.”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceHamburg, GermanyHQ checked Sep 27, 202611-502 contacts →

Indirect evidence

“Wir sind die führende Unternehmensberatung für alle Customer-Service-Themen über die gesamte Wertschöpfungskette rund um das Thema Kundenbeziehungen.”

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceNorderstedt, GermanyHQ checked Sep 27, 202611-502 contacts →

Indirect evidence

“Langfristige Kundenbindung gelingt über Kundenzufriedenheit oder noch besser: Kundenbegeisterung – und die ist kein Zufall!”

Source: RevenueBase Database · checked Sep 27, 2026
24Indirect evidenceAachen, GermanyHQ checked Sep 27, 20261-102 contacts →

Indirect evidence

“Which ever way you spin it, in the end it's all about maximizing profit.”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceBerg, GermanyHQ checked Sep 27, 20261-102 contacts →

Indirect evidence

“Menschen sind auf der Suche nach Produkten, Lösungen, Hilfe und Genuss – nach Ihren Angeboten.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 91 client retention consulting firms based in Germany

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Client retention consulting firms based in Germany at a glance

As of Sep 27, 2026
46.4%Verified-email coverage
7.3Average contacts per company
1-10Median size (employees)
11.0%Largest-city concentration · Berlin
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
68
11-50
16
51-200
5
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 91 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 client retention consulting firms, 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 “client retention consulting firms”. 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 client retention consulting firms), 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 client retention consulting firms, 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, 307 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 27, 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 client retention consulting firms, 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 client retention consulting firms are there based in Germany?

RevenueBase identified 91 client retention consulting firms 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?

RPC, headquartered in Munich, tops this list with the largest team on record.

Which city has the most client retention consulting firms?

Berlin leads with 10 headquartered companies, followed by Hamburg (7) and Dusseldorf (5).

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 307 verified decision-maker contacts tracked across these 91 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 27, 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.