Company lists · Data refreshed September 2026

Top 25 Multilingual contact center services based in Germany

RevenueBase identified 73 multilingual contact center services headquartered in Germany as of September 2026 and tracks 2,559 professional contacts across them, including 573 with verified work emails. Berlin is the largest hub.

This list covers multilingual 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 29, 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 29, 2026 86% judged on-target in blind review
73Companies
2,559Contacts tracked
573Verified emails
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The 25 largest multilingual contact center services based in Germany

Ranked by team size
Top 25 of 73 multilingual contact center services based in Germany, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to multilingual 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
1Indirect evidenceMunich, GermanyHQ checked Sep 29, 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 29, 2026
2Indirect evidenceNuremberg, GermanyHQ checked Sep 29, 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 29, 2026
3Indirect evidenceOsnabrück, GermanyHQ checked Sep 29, 20261,001-5,000294 contacts →

Indirect evidence

“KIKXXL wurde von Andreas Kremer gegründet.”

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceBerlin, GermanyHQ checked Sep 29, 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 29, 2026
5Indirect evidenceLeipzig, GermanyHQ checked Sep 29, 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 29, 2026
6Strong evidenceKöln, GermanyHQ checked Sep 29, 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 29, 2026
7Indirect evidenceMönchengladbach, GermanyHQ checked Sep 29, 2026501-1,00076 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceBerlin, GermanyHQ checked Sep 29, 2026201-50073 contacts →

Indirect evidence

“ja-dialog – Wir sind dein Kundenservice.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceHamburg, GermanyHQ checked Sep 29, 2026501-1,00058 contacts →

Indirect evidence

“Hey!”

Source: RevenueBase Database · checked Sep 29, 2026
10Strong evidenceMainz, GermanyHQ checked Sep 29, 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 29, 2026
11Indirect evidenceUnterhaching, GermanyHQ checked Sep 29, 202651-20042 contacts →

Indirect evidence

“When communication fails at the highest level, in annual reports, legal documents, financial filings, or global campaigns, the consequences are real.”

Source: RevenueBase Database · checked Sep 29, 2026
12Strong evidenceNürnberg, GermanyHQ checked Sep 29, 2026201-50041 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceMagdeburg, GermanyHQ checked Sep 29, 2026n/a41 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceOldenburg (oldb.), GermanyHQ checked Sep 29, 2026201-50038 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceStuttgart, GermanyHQ checked Sep 29, 202651-20031 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceAugsburg, GermanyHQ checked Sep 29, 2026201-50024 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceBerlin, GermanyHQ checked Sep 29, 202611-5023 contacts →

Partial evidence

“Die Services von expertcloud beginnen dort, wo traditionelle Call Center an ihre Grenzen geraten: 100% Abdeckung eines volatilen Anrufvolumens durch einen kurzfristig skalierbaren…”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceFlensburg, GermanyHQ checked Sep 29, 2026201-50021 contacts →

Indirect evidence

“Callcenter-Services, Telesales, Kundenservice”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceMannheim, GermanyHQ checked Sep 29, 2026201-50019 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceStuttgart, GermanyHQ checked Sep 29, 202651-20014 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceBerlin, GermanyHQ checked Sep 29, 202651-20012 contacts →

Indirect evidence

“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-…”

Source: RevenueBase Database · checked Sep 29, 2026
22Strong evidenceHeilbronn, GermanyHQ checked Sep 29, 2026201-5009 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceNürnberg, GermanyHQ checked Sep 29, 202651-2008 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceNürnberg, GermanyHQ checked Sep 29, 202651-2006 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceHannover, GermanyHQ checked Sep 29, 20261-104 contacts →

Indirect evidence

“In this highly globalised world, your company’s success is more dependent than ever on your lines of communication.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 73 multilingual contact center services based in Germany

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Multilingual contact center services based in Germany at a glance

As of Sep 29, 2026
22.4%Verified-email coverage
35.1Average contacts per company
51-200Median size (employees)
11.0%Largest-city concentration · Berlin
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
22
11-50
11
51-200
13
201-500
14
501-1,000
5
1,001-5,000
3
5,001-10,000
2

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 73 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 multilingual 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 “multilingual 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 multilingual 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 multilingual 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, 573 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 29, 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 multilingual 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 multilingual contact center services are there based in Germany?

RevenueBase identified 73 multilingual 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?

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

Which city has the most multilingual contact center services?

Berlin leads with 8 headquartered companies, followed by Hamburg (5) and Nurnberg (3).

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 573 verified decision-maker contacts tracked across these 73 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 29, 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.