Company lists · Data verified August 2026

Top 21 Back office outsourcing companies based in Germany

Name: Back office outsourcing companies based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 69 companies tracked

There are 69 back office outsourcing companies headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 1,151 professional contacts across them, including 128 with verified work emails and 15 with mobile numbers. Berlin is the largest hub.

This list covers back office outsourcing companies headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

69Companies

1,151Contacts tracked

128Verified emails

15Mobile numbers

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The 21 largest back office outsourcing companies based in Germany

Ranked by team size

Top 21 of 69 back office outsourcing companies based in Germany, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Sellbytel Group	Nuremberg	5,001-10,000	363	33
2	Bambus Group	Hamburg	1,001-5,000	168	28
3	Comvendo Gmbh	Oberhausen	501-1,000	57	11
4	SDV Servicepartner DER Versicherungsmakler AG	Augsburg	51-200	36	1
5	Bogner & Partners	Munich	51-200	18	2
6	Mpire Gmbh	Backnang	11-50	14	7
7	ETL Business Services Gmbh	Leipzig	11-50	12	8
8	Backofficer	Cologne	11-50	12	5
9	Lohndialog Abrechnungs Gmbh	Leipzig	11-50	12	5
10	Wistec Gmbh	Bielefeld	11-50	9	3
11	APM Personal Service Gmbh	Leonberg	11-50	7	5
12	Kell Outsourcing Gmbh	Wiesbaden	11-50	7	4
13	Peters Service Gmbh	Ingolstadt	51-200	7	2
14	Foxwork Gmbh	Essen	1-10	5	4
15	HR Data-Orga Gmbh	Bubenheim	11-50	5	2
16	Ecit Norian Gmbh	Hannover	501-1,000	5	1
17	Revcomp Gmbh	Langen Hessen	1-10	3	2
18	Solution Worker	Greifenstein	1-10	2	2
19	Taurus Werbeagentur & Rechenzentrum Gmbh	Waldaschaff	1-10	2	1
20	Atzler Büroservice	n/a	11-50	1	1
21	Martina Lankes Bürodienstleistungen	Garching B. Munchen	1-10	1	1

Showing 21 of 69 back office outsourcing companies based in Germany

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Back office outsourcing companies based in Germany at a glance

As of Aug 28, 2026

11-50Median size (employees)

BerlinLargest hub · 6 HQs

15Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Back office outsourcing companies by metro

Metro	Companies
Back office outsourcing companies in Berlin	6
Back office outsourcing companies in Hannover	4
Back office outsourcing companies in Munich	3
Back office outsourcing companies in Leonberg	3
Back office outsourcing companies in Cologne	2
Back office outsourcing companies in Leipzig	2
Back office outsourcing companies in Nuremberg	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “back office outsourcing companies”, with match quality audited by blind human judging, and headquartered in Germany.
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: Contact records re-verify on a rolling cadence; 2 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many back office outsourcing companies are there based in Germany?

There are 69 back office outsourcing companies headquartered in Germany as of August 2026 (RevenueBase).

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 companies?

Berlin leads with 6 headquartered companies, followed by Hannover (4) and Munich (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 69 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.