Company lists · Data refreshed September 2026

Top 25 Contact center services based in Germany

RevenueBase identified 227 contact center services headquartered in Germany as of September 2026 and tracks 5,774 professional contacts across them, including 1,380 with verified work emails. Berlin is the largest hub.

This list covers contact center 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 21, 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 21, 2026 86% judged on-target in blind review
227Companies
5,774Contacts tracked
1,380Verified emails
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The 25 largest contact center services based in Germany

Ranked by team size
Top 25 of 227 contact center services based in Germany, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to contact center 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
1Partial evidenceLeipzig, GermanyHQ checked Sep 21, 20265,001-10,000620 contacts →

Partial evidence

“Die Avedo Gruppe ist einer der führenden deutschlandweiten Dialogmarketingspezialisten mit Firmenhauptsitz in Leipzig sowie sechs Call Centern in Essen, Gelsenkirchen, Köln…”

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceMunich, GermanyHQ checked Sep 21, 2026201-500589 contacts →

Indirect evidence

“In an age where agility and rapid responses are paramount, yoummday shines as a trailblazing tech company tackling outsourcing challenges head-on.”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceNuremberg, GermanyHQ checked Sep 21, 20265,001-10,000359 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceDresden, GermanyHQ checked Sep 21, 20261,001-5,000303 contacts →

Indirect evidence

“gevekom - Your better place to work.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceOsnabrück, GermanyHQ checked Sep 21, 20261,001-5,000294 contacts →

Indirect evidence

“KIKXXL wurde von Andreas Kremer gegründet.”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceBerlin, GermanyHQ checked Sep 21, 20261,001-5,000257 contacts →

Partial evidence

“DCS Communication Center, your "Global Partner" in costumer management business process outsourcing since 1995.”

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceGelsenkirchen, GermanyHQ checked Sep 21, 20261,001-5,000237 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceLeipzig, GermanyHQ checked Sep 21, 20265,001-10,000120 contacts →

Indirect evidence

“Ströer X ist der größte deutsche Business Process Outsourcing (BPO)-Anbieter und Spezialist für Dialogmarketing, Customer Experience, Sales und digitale Transformation.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceMünster, GermanyHQ checked Sep 21, 2026201-500120 contacts →

Indirect evidence

“DSaF - Ihre Experten für digitalen Kundenservice.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceHamburg, GermanyHQ checked Sep 21, 2026201-500112 contacts →

Indirect evidence

“Newstel Worldwide is a trusted partner to clients across various industries, helping them achieve customer success and grow their businesses through digitally-led customer service…”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceLeipzig, GermanyHQ checked Sep 21, 2026201-50097 contacts →

Indirect evidence

“Since 1992 TAS AG has been providing all-round solutions for customer communications, making it one of Germany's oldest complex full-service operators in dialogue management.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceNeu-Isenburg, GermanyHQ checked Sep 21, 2026201-50088 contacts →

Indirect evidence

“Die exciting AG hat sich auf die Abbildung und Gestaltung von hochwertigen DialogCenter und ServiceCenter-Prozesse spezialisiert.”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceAachen, GermanyHQ checked Sep 21, 2026201-50079 contacts →

Indirect evidence

“Flaixible ist ein junges, dynamisches und ambitioniertes Unternehmen.”

Source: RevenueBase Database · checked Sep 21, 2026
14Strong evidenceKöln, GermanyHQ checked Sep 21, 20261,001-5,00079 contacts →

Strong evidence

“Mit etwa 2.500 Mitarbeiter:innen an 11 nationalen und 3 Nearshore-Standorten sind wir ein europaweit agierender Contact Center-Spezialist, vor allem in den Bereichen…”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceMönchengladbach, GermanyHQ checked Sep 21, 2026501-1,00076 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceBerlin, GermanyHQ checked Sep 21, 2026201-50073 contacts →

Indirect evidence

“ja-dialog – Wir sind dein Kundenservice.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceHeilbronn, GermanyHQ checked Sep 21, 2026501-1,00061 contacts →

Indirect evidence

“Seit über 25 Jahren verantworten wir Kundensupport- und Serviceprozesse für Unternehmen mit hohen Ansprüchen an Customer Experience.”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceHamburg, GermanyHQ checked Sep 21, 2026501-1,00058 contacts →

Indirect evidence

“Hey!”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceOberhausen, GermanyHQ checked Sep 21, 2026501-1,00056 contacts →

Indirect evidence

“Gegründet um anders zu sein.”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceMünster, GermanyHQ checked Sep 21, 2026201-50051 contacts →

Indirect evidence

“As Europe’s leading allround service provider for Telecommunications and Customer Relationship Management we strongly inspire our customers by offering them high-end technologies…”

Source: RevenueBase Database · checked Sep 21, 2026
21Strong evidenceMainz, GermanyHQ checked Sep 21, 202651-20045 contacts →

Strong evidence

“dtms is one of the leading providers of contact center solutions and customer intelligence technologies in the German-speaking region.”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceHamburg, GermanyHQ checked Sep 21, 2026201-50042 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
23Strong evidenceNürnberg, GermanyHQ checked Sep 21, 2026201-50041 contacts →

Strong evidence

“Wir sind ein spezialisierter und flexibler Contact Center-Dienstleister mit Consulting-Einheit.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceMagdeburg, GermanyHQ checked Sep 21, 2026n/a41 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceMontabaur, GermanyHQ checked Sep 21, 202651-20038 contacts →

Indirect evidence

“Bei Anruf: Telefonengel“ global office bietet telefonische Kommunikation in natürlicher Sprache als zusätzlichen Touchpoint für Wirtschaft und Verwaltung.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 227 contact center services based in Germany

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Contact center services based in Germany at a glance

As of Sep 21, 2026
23.9%Verified-email coverage
25.4Average contacts per company
11-50Median size (employees)
10.6%Largest-city concentration · Berlin
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
68
11-50
50
51-200
47
201-500
30
501-1,000
12
1,001-5,000
9
5,001-10,000
4

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 227 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 contact center 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 “contact center 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 contact center 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 contact center 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, 1,380 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 21, 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 contact center 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 contact center services are there based in Germany?

RevenueBase identified 227 contact center 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?

Avedo Gmbh, headquartered in Leipzig, tops this list with the largest team on record.

Which city has the most contact center services?

Berlin leads with 24 headquartered companies, followed by Hamburg (13) and Koln (8).

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 1,380 verified decision-maker contacts tracked across these 227 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 21, 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.