Company lists · Data refreshed October 2026

Top 25 Business process outsourcing service providers based in Germany

RevenueBase identified 127 business process outsourcing service providers headquartered in Germany as of October 2026 and tracks 1,976 professional contacts across them, including 421 with verified work emails. Berlin is the largest hub.

This list covers business process outsourcing 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 October 1, 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 Oct 1, 2026 86% judged on-target in blind review
127Companies
1,976Contacts tracked
421Verified emails
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The 25 largest business process outsourcing service providers based in Germany

Ranked by team size
Top 25 of 127 business process outsourcing service providers based in Germany, ranked by team size, largest first. Data refreshed Oct 1, 2026. RevenueBase Smart Search rates how each company's information relates to business process outsourcing 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
1Partial evidenceNuremberg, GermanyHQ checked Oct 1, 20265,001-10,000359 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Oct 1, 2026
2Strong evidenceBerlin, GermanyHQ checked Oct 1, 20261,001-5,000257 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Oct 1, 2026
3Indirect evidenceDüsseldorf, GermanyHQ checked Oct 1, 20261,001-5,000136 contacts →

Indirect evidence

“Die Adecco Business Solutions GmbH ist eine 100%ige Tochter der Adecco Personaldienstleistungen GmbH und seit über 30 Jahren in Deutschland Ihr Full Service Partner für komplexe…”

Source: RevenueBase Database · checked Oct 1, 2026
4Strong evidenceLeipzig, GermanyHQ checked Oct 1, 20265,001-10,000120 contacts →

Strong 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 Oct 1, 2026
5Indirect evidenceBerlin, GermanyHQ checked Oct 1, 20261,001-5,000116 contacts →

Indirect evidence

“Die CMX Solutions GmbH ist Teil der CMX Group, einem inhabergeführten Unternehmen, das seit der Gründung im Jahr 2012 kontinuierlich zu einem führenden Anbieter von…”

Source: RevenueBase Database · checked Oct 1, 2026
6Strong evidenceLaatzen, GermanyHQ checked Oct 1, 20261,001-5,00083 contacts →

Strong evidence

“TABEL Group is Germany-wide a leading business process outsourcing (BPO) provider in the production- and logistics-related environment.”

Source: RevenueBase Database · checked Oct 1, 2026
7Strong evidenceKarlsruhe, GermanyHQ checked Oct 1, 2026501-1,00077 contacts →

Strong evidence

“Wir sind Ihr zentraler Dienstleister für Business Process Outsourcing in der Genossenschaftlichen FinanzGruppe.”

Source: RevenueBase Database · checked Oct 1, 2026
8Indirect evidenceHeilbronn, GermanyHQ checked Oct 1, 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 Oct 1, 2026
9Indirect evidenceOberhausen, GermanyHQ checked Oct 1, 2026501-1,00056 contacts →

Indirect evidence

“Gegründet um anders zu sein.”

Source: RevenueBase Database · checked Oct 1, 2026
10Indirect evidenceMunich, GermanyHQ checked Oct 1, 202651-20047 contacts →

Indirect evidence

“EverLeaf ist ein spezialisierter BPO-Partner für Sales, Customer Service, Datenmanagement und Prozessoptimierung.”

Source: RevenueBase Database · checked Oct 1, 2026
11Partial evidenceLippstadt, GermanyHQ checked Oct 1, 2026501-1,00037 contacts →

Partial evidence

“Die avitea Industrieservice überzeugt durch industrielles Know-how und umfangreiche Erfahrung im Outsourcing-Bereich.”

Source: RevenueBase Database · checked Oct 1, 2026
12Indirect evidenceCologne, GermanyHQ checked Oct 1, 202611-5021 contacts →

Indirect evidence

“We fancy BPM.”

Source: RevenueBase Database · checked Oct 1, 2026
13Indirect evidenceDüsseldorf, GermanyHQ checked Oct 1, 202651-20020 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Oct 1, 2026
14Indirect evidenceLeipzig, GermanyHQ checked Oct 1, 20261-1020 contacts →

Indirect evidence

“colpari: collaboration partners international Die Zufriedenheit der Kunden ist das wichtigste Gut für ein Unternehmen.”

Source: RevenueBase Database · checked Oct 1, 2026
15Indirect evidenceBerlin, GermanyHQ checked Oct 1, 202611-5018 contacts →

Indirect evidence

“We provide IT oursourcing for our clients.”

Source: RevenueBase Database · checked Oct 1, 2026
16Indirect evidenceMunich, GermanyHQ checked Oct 1, 202651-20018 contacts →

Indirect evidence

“Our mission is to deliver top-notch BPO services, blending cost-effectiveness with uncompromising quality while prioritising favourable working conditions, treating every employee…”

Source: RevenueBase Database · checked Oct 1, 2026
17Partial evidenceLeuna, GermanyHQ checked Oct 1, 202651-20016 contacts →

Partial evidence

“ICS adminservice GmbH is a service provider for outsourced business processes founded in 1993.”

Source: RevenueBase Database · checked Oct 1, 2026
18Strong evidenceBerlin, GermanyHQ checked Oct 1, 202651-20016 contacts →

Strong evidence

“Seit über 30 Jahren stehen wir für professionelles Business Process Outsourcing – made in Berlin.”

Source: RevenueBase Database · checked Oct 1, 2026
19Indirect evidenceSingen (hohentwiel), GermanyHQ checked Oct 1, 202611-5015 contacts →

Indirect evidence

“Wir unterstützen Unternehmen und Behörden bei der Konzeption und Umsetzung ihrer BPO-Vorhaben im Personalbereich.”

Source: RevenueBase Database · checked Oct 1, 2026
20Indirect evidenceBacknang, GermanyHQ checked Oct 1, 202611-5014 contacts →

Indirect evidence

“Willkommen bei Mpire – dem zentralen Corporate-Services-Partner der RIVA GmbH Engineering und damit verbundener Unternehmen.”

Source: RevenueBase Database · checked Oct 1, 2026
21Indirect evidenceLöhne, GermanyHQ checked Oct 1, 202651-20013 contacts →

Indirect evidence

“Als mittelständisches Familienunternehmen mit langjähriger Erfahrung sind wir, die Sänger GmbH & Co.”

Source: RevenueBase Database · checked Oct 1, 2026
22Partial evidenceBerlin, GermanyHQ checked Oct 1, 2026201-50012 contacts →

Partial evidence

“Die ETL Business Services Steuerberatungsgesellschaft mbH ist Ihr zuverlässiger, kompetenter und effizienter Partner für das komplette oder teilweise Outsourcing Ihrer…”

Source: RevenueBase Database · checked Oct 1, 2026
23Indirect evidenceDetmold, GermanyHQ checked Oct 1, 202611-5012 contacts →

Indirect evidence

“Die Unirez GmbH in Detmold ist Ihr hochprofessioneller IT-Partner für integrierte Geschäftsprozesse.”

Source: RevenueBase Database · checked Oct 1, 2026
24Indirect evidenceBerlin, GermanyHQ checked Oct 1, 202611-5012 contacts →

Indirect evidence

“Als Experte für Personalabrechnungen begleiten wir seit mehr als 30 Jahren bundesweit Kunden unterschiedlichster Branchen und Größen.”

Source: RevenueBase Database · checked Oct 1, 2026
25Indirect evidenceBerlin, GermanyHQ checked Oct 1, 202651-20012 contacts →

Indirect evidence

“Die Neo Temp GmbH wurde 2021 von 5 innovativen Köpfen in Berlin gegründet.”

Source: RevenueBase Database · checked Oct 1, 2026

Showing 25 of 127 business process outsourcing service providers based in Germany

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Business process outsourcing service providers based in Germany at a glance

As of Oct 1, 2026
21.3%Verified-email coverage
15.6Average contacts per company
11-50Median size (employees)
15.0%Largest-city concentration · Berlin
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
42
11-50
40
51-200
24
201-500
5
501-1,000
5
1,001-5,000
4
5,001-10,000
3

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 127 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 business process outsourcing 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 “business process outsourcing 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 business process outsourcing 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 business process outsourcing 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, 421 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 October 1, 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 business process outsourcing 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 business process outsourcing service providers are there based in Germany?

RevenueBase identified 127 business process outsourcing service providers headquartered in Germany as of October 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 business process outsourcing service providers?

Berlin leads with 19 headquartered companies, followed by Munich (7) 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 421 verified decision-maker contacts tracked across these 127 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 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.