Company lists · Data refreshed November 2026

Top 25 Back office customer service providers based in Germany

RevenueBase identified 134 company matches for back office customer service providers associated with Germany as of November 2026 and tracks 2,474 professional contacts across them, including 342 with verified work emails. Munich is the largest hub.

This list covers company matches for back office customer service providers associated with Germany, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
134Companies
2,474Contacts tracked
342Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest back office customer service providers based in Germany

Ranked by team size
Top 25 of 134 company matches for back office customer service providers based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNuremberg, GermanyHQ recorded Nov 6, 20265,001-10,000394 contacts →

Exact match

“The SELLBYTEL Group is one of the worldwide leading outsourcing specialists and part of Webhelp.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDuisburg, GermanyHQ recorded Nov 6, 2026501-1,000154 contacts →

Exact match

“Als hundertprozentige Commerzbank-Tochter kümmern wir uns rund um die Uhr, an jedem Tag in der Woche um die Belange der Kundinnen und Kunden der Bank.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBerlin, GermanyHQ recorded Nov 6, 20261,001-5,000129 contacts →

Exact match

“Die CMX Solutions GmbH ist Teil der CMX Group, einem inhabergeführten Unternehmen, das seit der Gründung im Jahr 2012 kontinuierlich zu einem führenden Anbieter von…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMönchengladbach, GermanyHQ recorded Nov 6, 2026501-1,00098 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchKarlsruhe, GermanyHQ recorded Nov 6, 2026501-1,00085 contacts →

Exact match

“Wir sind Ihr zentraler Dienstleister für Business Process Outsourcing in der Genossenschaftlichen FinanzGruppe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchOberhausen, GermanyHQ recorded Nov 6, 2026501-1,00073 contacts →

Exact match

“Gegründet um anders zu sein.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMagdeburg, GermanyHQ recorded Nov 6, 20265,001-10,00060 contacts →

Exact match

“regiocom Customer Care ist der größte inhabergeführte Service-Anbieter in Deutschland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHamburg, GermanyHQ recorded Nov 6, 2026201-50047 contacts →

Exact match

“Haspa Direkt ist ein Bankdienstleister, aber völlig anders, als du denkst.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMunich, GermanyHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“ALLYSCA – B2B2C-SERVICES FÜR ASSISTANCE, CLAIMS MANAGEMENT UND CUSTOMER SERVICE Wir unterstützen Menschen weltweit und rund um die Uhr – in Situationen, in denen schnelle…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchOldenburg (oldb.), GermanyHQ recorded Nov 6, 2026201-50044 contacts →

Exact match

“Call-Center & Service-Dienstleister überzeugt auf 1.998qm mit über 180 festen Mitarbeitern, durch Qualität, Effizienz & Transparenz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAugsburg, GermanyHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“Werden Sie unser Partner, denn wir sind Ihr Dienstleister mit dem echten Servicegedanken.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBerlin, GermanyHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Die voxpark GmbH ist ein etabliertes und wachsendes Kundenservice-Center, das sich erfolgreich in den Bereichen Telemarketing und ganzheitliches Kundenmanagement positioniert hat.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAugsburg, GermanyHQ recorded Nov 6, 2026201-50027 contacts →

Exact match

“Die Mitarbeiter der Dialog-Factory bieten weit mehr Service als ein klassisches Callcenter.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchFlensburg, GermanyHQ recorded Nov 6, 2026201-50020 contacts →

Exact match

“Callcenter-Services, Telesales, Kundenservice”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLeipzig, GermanyHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“colpari: collaboration partners international Die Zufriedenheit der Kunden ist das wichtigste Gut für ein Unternehmen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBerlin, GermanyHQ recorded Nov 6, 202651-20014 contacts →

Exact match

“Seit mehr als 20 Jahren übernehmen wir rund um die Uhr – an 365 Tagen im Jahr – Geschäftsprozesse im Kundenservice, technischen Support, in der Fernwartung sowie in der Notdienst-…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchEttlingen, GermanyHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Termitel – Ihr Partner für exzellentes Telemarketing & Customer Care Sie suchen einen starken Partner für Ihre Call Center- und Customer Care-Aktivitäten?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCologne, GermanyHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“BackOfficer bietet BackOffice as a Service an.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLöhne, GermanyHQ recorded Nov 6, 202651-20013 contacts →

Exact match

“Als mittelständisches Familienunternehmen mit langjähriger Erfahrung sind wir, die Sänger GmbH & Co.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSolingen, GermanyHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Die Thanx Customer Care GmbH ist ein Kommunikationsdienstleister, der sich unter anderem auf folgende Sparten spezialisiert hat: After Sales Kontakte…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchErfurt, GermanyHQ recorded Nov 6, 202651-2009 contacts →

Exact match

“Wir sind stolz auf unsere kleine Manufaktur im Herzen von Erfurt, die sich 2007 zum Ziel gesetzt hat, stets hochqualitativ und immer individuell zu arbeiten.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIngolstadt, GermanyHQ recorded Nov 6, 202651-2006 contacts →

Exact match

“Buchhaltung, qualitätsmanagement, personalsuche: Vertrauen Sie auf unsere Backoffice-Spezialisten!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAugsburg, GermanyHQ recorded Nov 6, 202651-2006 contacts →

Exact match

“Steigern Sie die Effizienz in Ihrem Unternehmen und profitieren Sie von der zunehmenden Zufriedenheit Ihrer Kunden.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBubenheim, GermanyHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Stellen Sie sich vor, Sie hätten mehr Zeit für Ihr Kerngeschäft und könnten sich auf das konzentrieren, was Sie und Ihr Unternehmen wirklich voranbringt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNuremberg, GermanyHQ recorded Nov 6, 202651-2006 contacts →

Exact match

“Ich helfe Ihnen, eine dauerhafte telefonische Erreichbarkeit zu gewährleisten, ohne dass Sie weiteres festes Personal und zusätzliche IT-Einrichtung benötigen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 134 back office customer service providers based in Germany

See the full list, filter by size, metro and specialty, and access 342 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Back office customer service providers based in Germany at a glance

As of Nov 6, 2026
13.8%Verified-email coverage
18.5Average contacts per company
11-50Median size (employees)
5.2%Largest-city concentration · Munich
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
47
11-50
26
51-200
23
201-500
11
501-1,000
8
1,001-5,000
5
5,001-10,000
3

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 134 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Germany whose business descriptions match “back office customer service providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 342 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “back office customer service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many back office customer service providers are there based in Germany?

RevenueBase identified 134 company matches for back office customer service providers associated with Germany as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Sellbytel Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most back office customer service providers?

Munich leads with 7 company records, followed by Berlin (6) and Dusseldorf (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 342 professional contacts with verified work emails tracked across these 134 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 134 back office customer service providers based in Germany. Start with a free account, no credit card.

Download this list →

Related lists

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 SmartSearch, 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.