Company lists · Data refreshed September 2026

Top 24 Offshore customer service providers based in Germany

RevenueBase identified 62 offshore customer service providers headquartered in Germany as of September 2026 and tracks 1,405 professional contacts across them, including 282 with verified work emails. Berlin is the largest hub.

This list covers offshore customer service providers 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 20, 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 20, 2026 86% judged on-target in blind review
62Companies
1,405Contacts tracked
282Verified emails
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The 24 largest offshore customer service providers based in Germany

Ranked by team size
Top 24 of 62 offshore customer service providers based in Germany, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to offshore customer service providers: 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 evidenceNuremberg, GermanyHQ checked Sep 20, 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 20, 2026
2Indirect evidenceBerlin, GermanyHQ checked Sep 20, 20261,001-5,000257 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceBerlin, GermanyHQ checked Sep 20, 2026501-1,000116 contacts →

Indirect evidence

“Denken Sie bei hello.de nicht an ein typisches Call-Center – denken Sie an „Kundenglücklichmacher“: An vier deutschen und drei Nearshore-Standorten lächeln mehr als Mitarbeitende…”

Source: RevenueBase Database · checked Sep 20, 2026
4Partial evidenceHamburg, GermanyHQ checked Sep 20, 2026201-500112 contacts →

Partial 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 20, 2026
5Indirect evidenceMönchengladbach, GermanyHQ checked Sep 20, 2026501-1,00076 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
6Partial evidenceHeilbronn, GermanyHQ checked Sep 20, 2026501-1,00061 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceHamburg, GermanyHQ checked Sep 20, 2026501-1,00058 contacts →

Indirect evidence

“Hey!”

Source: RevenueBase Database · checked Sep 20, 2026
8Partial evidenceMagdeburg, GermanyHQ checked Sep 20, 2026n/a41 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceOldenburg (oldb.), GermanyHQ checked Sep 20, 2026201-50038 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
10Partial evidenceStuttgart, GermanyHQ checked Sep 20, 202651-20031 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
11Partial evidenceDüsseldorf, GermanyHQ checked Sep 20, 202651-20020 contacts →

Partial evidence

“Your Offshoring Experts - support your IT Projects successfully.”

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceMainz, GermanyHQ checked Sep 20, 2026201-50011 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceHeilbronn, GermanyHQ checked Sep 20, 2026201-5009 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
14Partial evidenceEttlingen, GermanyHQ checked Sep 20, 202611-509 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
15Indirect evidenceBerlin, GermanyHQ checked Sep 20, 202611-507 contacts →

Indirect evidence

“At Snubes, we know that outsourcing has become one of the most important business topics in recent years.”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceErfurt, GermanyHQ checked Sep 20, 202651-2006 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceNürnberg, GermanyHQ checked Sep 20, 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 20, 2026
18Indirect evidenceDüsseldorf, GermanyHQ checked Sep 20, 20261-106 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceJena, GermanyHQ checked Sep 20, 20261-105 contacts →

Indirect evidence

“Optimiere Dein Kerngeschäft und schaffe Dir und Deinem Team dadurch mehr Fokus-Arbeitszeit!”

Source: RevenueBase Database · checked Sep 20, 2026
20Partial evidenceGütersloh, GermanyHQ checked Sep 20, 202611-504 contacts →

Partial evidence

“Your customer support center - not just for games.”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceGießen, GermanyHQ checked Sep 20, 202611-503 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
22Indirect evidenceHamburg, GermanyHQ checked Sep 20, 202651-2002 contacts →

Indirect evidence

“Sie suchen einen zuverlässigen und kompetenten Servicepartner auf der Höhe der Zeit?”

Source: RevenueBase Database · checked Sep 20, 2026
23Indirect evidenceEssen, GermanyHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

“Das Betreiben eines Callcenters, das Unternehmen dabei unterstützt deren Vertriebsziele zu erreichen, Inbound- sowie Outbound-Telefonie, Kundenservice, technischer Support…”

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceLudwigslust, GermanyHQ checked Sep 20, 2026n/a1 contacts →

Indirect evidence

“Kundenservice steht bei uns an erster Stelle.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 24 of 62 offshore customer service providers based in Germany

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Offshore customer service providers based in Germany at a glance

As of Sep 20, 2026
20.1%Verified-email coverage
22.7Average contacts per company
11-50Median size (employees)
8.1%Largest-city concentration · Berlin
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
21
11-50
13
51-200
11
201-500
6
501-1,000
6
1,001-5,000
2
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 62 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 offshore customer service providers, 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 “offshore customer service providers”. 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 offshore customer service providers), 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 offshore customer service providers, 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, 282 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 20, 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 offshore customer service providers, 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 offshore customer service providers are there based in Germany?

RevenueBase identified 62 offshore customer service providers 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 offshore customer service providers?

Berlin leads with 5 headquartered companies, followed by Hamburg (5) and Dusseldorf (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 282 verified decision-maker contacts tracked across these 62 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 20, 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.