Company lists · Data refreshed September 2026
Top 25 Back office outsourcing firms based in Germany
RevenueBase identified 76 back office outsourcing firms headquartered in Germany as of September 2026 and tracks 1,041 professional contacts across them, including 128 with verified work emails. Berlin is the largest hub.
This list covers back office outsourcing firms 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 27, 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.
The 25 largest back office outsourcing firms based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 359 contacts → | ||||
Partial evidence “The SELLBYTEL Group is one of the worldwide leading outsourcing specialists and part of Webhelp.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 116 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 Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 36 contacts → | ||||
Indirect evidence “Werden Sie unser Partner, denn wir sind Ihr Dienstleister mit dem echten Servicegedanken.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 20 contacts → | ||||
Indirect evidence “Your Offshoring Experts - support your IT Projects successfully.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 18 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 Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 16 contacts → | ||||
Partial evidence “Seit über 30 Jahren stehen wir für professionelles Business Process Outsourcing – made in Berlin.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 14 contacts → | ||||
Partial evidence “EN.VALUE ist eine unabhängige, spezialisierte Beratungsgesellschaft und professioneller Outsourcing-Partner für alle Finance-Themen und -Prozesse.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 14 contacts → | ||||
Indirect evidence “Willkommen bei Mpire – dem zentralen Corporate-Services-Partner der RIVA GmbH Engineering und damit verbundener Unternehmen.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 13 contacts → | ||||
Indirect evidence “Als mittelständisches Familienunternehmen mit langjähriger Erfahrung sind wir, die Sänger GmbH & Co.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 12 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 Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 12 contacts → | ||||
Indirect evidence “Als Experte für Personalabrechnungen begleiten wir seit mehr als 30 Jahren bundesweit Kunden unterschiedlichster Branchen und Größen.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Indirect evidence “BackOfficer bietet BackOffice as a Service an.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 8 contacts → | ||||
Partial evidence “Die Kell Outsourcing GmbH mit Sitz in Wiesbaden bietet mittelständischen Unternehmen die Auslagerung des Rechnungswesens an.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 8 contacts → | ||||
Indirect evidence “Übertragen Sie Ihre Dienstleistungsprozesse an uns und gewinnen Sie so neue Ressourcen für Ihr Kerngeschäft.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 7 contacts → | ||||
Partial evidence “Maßgeschneiderte Services für Ihre Entgeltabrechnung Die APM Personal Service GmbH ist ein Anbieter von Dienstleistungen für das Outsourcing von Entgeltabrechnungen.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 7 contacts → | ||||
Indirect evidence “Buchhaltung, qualitätsmanagement, personalsuche: Vertrauen Sie auf unsere Backoffice-Spezialisten!” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 5 contacts → | ||||
Indirect evidence “Stellen Sie sich vor, Sie hätten mehr Zeit für Ihr Kerngeschäft und könnten sich auf das konzentrieren, was Sie und Ihr Unternehmen wirklich voranbringt.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Indirect evidence “ECIT ist ein globaler Dienstleister in den Bereichen Rechnungswesen, Personalabrechnung und Prozessautomatisierung, der sich zum Ziel gesetzt hat, intelligenter, schneller und…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Indirect evidence “Begrenzte personelle Kapazitäten, permanente regulatorische und gesetzliche Änderungen und Neuerungen sowie der damit verbundene Termindruck zwingen kleinere und mittelgroße…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Indirect evidence “Unser Lohnbüro macht Sie unabhängig von speziell ausgebildetem Personal sowie teurer Hard- und Software für die Lohnabrechnung.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Indirect evidence “Was passiert, wenn du alles selbst machst?” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Strong evidence “Mit unserem Leistungsangebot und unserer langjährigen Erfahrung im Bereich Back Office, bieten wir den oben genannten Unternehmen die Chance, sich kapazitätsmäßig auf Ihre…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Indirect evidence “PayLohn provides all backoffice services for temporary employment business in Germany, Austria, Switzerland, the Netherlands, Belgium and elsewhere in Europe.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Indirect evidence “Die COPA Consulting GmbH versteht sich als innovativer und verlässlicher Partner für seine Kunden und Mitarbeiter, die entscheidend zur erfolgreichen Zukunftsgestaltung beiträgt.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: back office outsourcing firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names back office outsourcing firms.
- Partial evidence
- Its own public description names part of back office outsourcing firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name back office outsourcing firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 76 back office outsourcing firms based in Germany
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Back office outsourcing firms based in Germany at a glance
As of Sep 27, 2026Companies by employee count
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 76 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 back office outsourcing firms, 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 “back office outsourcing firms”. 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 back office outsourcing firms), 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 back office outsourcing firms, 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, 128 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 27, 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 back office outsourcing firms, 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 back office outsourcing firms are there based in Germany?
RevenueBase identified 76 back office outsourcing firms 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 back office outsourcing firms?
Berlin leads with 7 headquartered companies, followed by Hannover (4) and Leonberg (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 128 verified decision-maker contacts tracked across these 76 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 27, 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.
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