Company lists · Data refreshed November 2026

Top 25 Customer support service centers based in Germany

RevenueBase identified 199 company matches for customer support service centers associated with Germany as of November 2026 and tracks 2,269 professional contacts across them, including 415 with verified work emails. Berlin is the largest hub.

This list covers company matches for customer support service centers 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
199Companies
2,269Contacts tracked
415Verified emails
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The 25 largest customer support service centers based in Germany

Ranked by team size
Top 25 of 199 company matches for customer support service centers 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 matchOsnabrück, GermanyHQ recorded Nov 6, 20261,001-5,000319 contacts →

Exact match

“KIKXXL wurde von Andreas Kremer gegründet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchGelsenkirchen, GermanyHQ recorded Nov 6, 20261,001-5,000243 contacts →

Exact match

“AMEVIDA is one of the largest owner-managed companies in the German call center and customer care industry and is headquartered in Gelsenkirchen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchMünster, GermanyHQ recorded Nov 6, 2026201-500131 contacts →

Exact match

“DSaF - Ihre Experten für digitalen Kundenservice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact 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
8Exact 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
9Exact 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
10Exact matchStuttgart, GermanyHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“As a dynamic Company we focus on an excellent customer service and international customer relationship management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact 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
13Exact matchStuttgart, GermanyHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Kundenservice, der überzeugt – dafür steht die EUA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBad Grönenbach, GermanyHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Ein weltweites Wartungs- und Gewährleistungskonzept garantieren unseren Kunden eine optimale Betreuung auch nach dem Kauf.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNuremberg, GermanyHQ recorded Nov 6, 202651-20014 contacts →

Exact match

“In den letzten 40 Jahren hat sich die intertel dialog-service-gmbh auf die Bereiche Vertrieb und Kundenservice spezialisiert.”

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

Exact match

“Seit über 20 Jahren sind wir Ihr Partner für Call- und ServiceCenter Dienstleistungen!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact 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
18Exact 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
19Exact matchDüsseldorf, GermanyHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“We are focusing on FIVE topic areas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchGlinde, GermanyHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Bei Fragen rufen Sie uns gerne in unseren Servicezeiten Montag bis Freitag zwischen 9-16 Uhr an oder hinterlassen Sie uns eine Nachricht für einen Rückruf.”

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 matchHof, GermanyHQ recorded Nov 6, 202611-508 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchWeimar, GermanyHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Somit können wir Sie im Falle von Problemen oder Fragen direkt aus der Ferne unterstützen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBrandenburg An Der Havel, GermanyHQ recorded Nov 6, 202651-2007 contacts →

Exact match

“Callcenter, Multichannel-Services, KI-Lösungen – damit Sie für Ihre Kunden immer erreichbar sind Die Anforderungen an den Kundendialog sind in den letzten Jahrzehnten…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNuremberg, GermanyHQ recorded Nov 6, 20261-107 contacts →

Exact match

Recorded description not available.

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

Showing 25 of 199 customer support service centers based in Germany

See the full list, filter by size, metro and specialty, and access 415 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customer support service centers based in Germany at a glance

As of Nov 6, 2026
18.3%Verified-email coverage
11.4Average contacts per company
1-10Median size (employees)
5.5%Largest-city concentration · Berlin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
85
11-50
40
51-200
26
201-500
9
501-1,000
6
1,001-5,000
2
5,001-10,000
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 199 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 “customer support service centers” 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 415 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 “customer support service centers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer support service centers are there based in Germany?

RevenueBase identified 199 company matches for customer support service centers 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 customer support service centers?

Berlin leads with 11 company records, followed by Hamburg (9) and Dusseldorf (6).

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 415 professional contacts with verified work emails tracked across these 199 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.

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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 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.