Company lists · Data refreshed September 2026

Top 25 Multilingual call centers based in Germany

RevenueBase identified 81 multilingual call centers headquartered in Germany as of September 2026 and tracks 2,708 professional contacts across them, including 446 with verified work emails and 14 with mobile numbers. Hamburg is the largest hub.

This list covers multilingual call centers 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
81Companies
2,708Contacts tracked
446Verified emails
14Mobile numbers
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The 25 largest multilingual call centers based in Germany

Ranked by team size
Top 25 of 81 multilingual call centers based in Germany, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names multilingual call centers: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
Sellbytel GroupIndirect evidence
Nuremberg, GermanyHQ checked Sep 5, 20265,001-10,000359

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

Source: company website · checked Sep 5, 2026
2
Gevekom GmbhIndirect evidence
Dresden, GermanyHQ checked Sep 5, 20261,001-5,000303

“gevekom - Your better place to work.”

Source: company website · checked Sep 5, 2026
3
Kikxxl GmbhIndirect evidence
Osnabrück, GermanyHQ checked Sep 5, 20261,001-5,000294

“KIKXXL wurde von Andreas Kremer gegründet.”

Source: company website · checked Sep 5, 2026
4
DCS Communication CenterPartial evidence
Berlin, GermanyHQ checked Sep 5, 20261,001-5,000257

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

Source: company website · checked Sep 5, 2026
5
Amevida SEStrong evidence
Gelsenkirchen, GermanyHQ checked Sep 5, 20261,001-5,000237

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

Source: company website · checked Sep 5, 2026
6
Newstel WorldwideIndirect evidence
Hamburg, GermanyHQ checked Sep 5, 2026201-500112

“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: company website · checked Sep 5, 2026
7
TAS AGIndirect evidence
Leipzig, GermanyHQ checked Sep 5, 2026201-50097

“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: company website · checked Sep 5, 2026
8
Cho-Time GmbhIndirect evidence
Mönchengladbach, GermanyHQ checked Sep 5, 2026501-1,00076
Source: company website · checked Sep 5, 2026
9
Ja-DialogIndirect evidence
Berlin, GermanyHQ checked Sep 5, 2026201-50073

“ja-dialog – Wir sind dein Kundenservice.”

Source: company website · checked Sep 5, 2026
10
Indeca Business GmbhIndirect evidence
Heilbronn, GermanyHQ checked Sep 5, 2026501-1,00061

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

Source: company website · checked Sep 5, 2026
11
HEY Contact Heroes GmbhIndirect evidence
Hamburg, GermanyHQ checked Sep 5, 2026501-1,00058

“Hey!”

Source: company website · checked Sep 5, 2026
12Oldenburg (oldb.), GermanyHQ checked Sep 5, 2026201-50038

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

Source: company website · checked Sep 5, 2026
13
020-Epos GmbhIndirect evidence
Essen, GermanyHQ checked Sep 5, 2026501-1,00038
Source: company website · checked Sep 5, 2026
14Passau, GermanyHQ checked Sep 5, 2026201-50035

“CommuniGate ist ein Premiumdienstleister für die gesamte Bandbreite der schriftlichen und telefonischen, vertriebs- und serviceorientierten Kundenkommunikation.”

Source: company website · checked Sep 5, 2026
15Stuttgart, GermanyHQ checked Sep 5, 202651-20031

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

Source: company website · checked Sep 5, 2026
16
Voxpark GmbhPartial evidence
Berlin, GermanyHQ checked Sep 5, 202651-20028

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

Source: company website · checked Sep 5, 2026
17
Dialog-Factory GmbhIndirect evidence
Augsburg, GermanyHQ checked Sep 5, 2026201-50024

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

Source: company website · checked Sep 5, 2026
18
Care4as GmbhIndirect evidence
Flensburg, GermanyHQ checked Sep 5, 2026201-50021

“Callcenter-Services, Telesales, Kundenservice”

Source: company website · checked Sep 5, 2026
19
LuatelIndirect evidence
Mannheim, GermanyHQ checked Sep 5, 2026201-50019

“HEAR THE SMILE IN OUR VOICE At LUATEL, we don’t just deliver customer support, we create meaningful customer experiences at scale.”

Source: company website · checked Sep 5, 2026
20Stuttgart, GermanyHQ checked Sep 5, 202651-20014

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

Source: company website · checked Sep 5, 2026
21
Communikom GruppeIndirect evidence
Mainz, GermanyHQ checked Sep 5, 2026201-50011

“Die Communikom Gruppe ist der richtige Ansprechpartner im Bereich Telekommunikation.”

Source: company website · checked Sep 5, 2026
22
Reach Xcel GmbhPartial evidence
Heilbronn, GermanyHQ checked Sep 5, 2026201-5009

“REACH XCEL GmbH operates contact centers based in Heilbronn and Prishtina.”

Source: company website · checked Sep 5, 2026
23
Termitel GmbhStrong evidence
Ettlingen, GermanyHQ checked Sep 5, 202611-509

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

Source: company website · checked Sep 5, 2026
24Dortmund, GermanyHQ checked Sep 5, 202651-2009

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

Source: company website · checked Sep 5, 2026
25Nürnberg, GermanyHQ checked Sep 5, 202651-2008

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

Source: company website · checked Sep 5, 2026

Showing 25 of 81 multilingual call centers based in Germany

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Multilingual call centers based in Germany at a glance

As of Sep 5, 2026
51-200Median size (employees)
HamburgLargest hub · 7 HQs
14Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
25
11-50
13
51-200
13
201-500
15
501-1,000
8
1,001-5,000
4
5,001-10,000
1

Verified emails by last verification

0–30
420
31–60
22
61–90
0
90–180
0
180+
4

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 multilingual call centers, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Germany whose own description of what they do matches “multilingual call centers”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among multilingual call centers, 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 an evidence 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, 446 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 5, 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

How many multilingual call centers are there based in Germany?

RevenueBase identified 81 multilingual call centers 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?

Sellbytel Group, headquartered in Nuremberg, tops this list with the largest team on record.

Which city has the most multilingual call centers?

Hamburg leads with 7 headquartered companies, followed by Berlin (6) and Dusseldorf (4).

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 446 verified decision-maker contacts tracked across these 81 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 5, 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.