Company lists · Data verified August 2026

Top 25 Call center outsourcing companies based in Germany

Name: Call center 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 184 companies tracked

There are 184 call center outsourcing companies headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 3,535 professional contacts across them, including 619 with verified work emails and 40 with mobile numbers. Berlin is the largest hub.

This list covers call center 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.

184Companies

3,535Contacts tracked

619Verified emails

40Mobile numbers

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The 25 largest call center outsourcing companies based in Germany

Ranked by team size

Top 25 of 184 call center 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	Gevekom Gmbh	Leipzig	1,001-5,000	303	44
3	Kikxxl Gmbh	Dortmund	1,001-5,000	294	32
4	DCS Communication Center	Berlin	1,001-5,000	255	37
5	Amevida SE	Dortmund	1,001-5,000	237	41
6	Bambus Group	Hamburg	1,001-5,000	168	28
7	Adecco Business Solutions	Hamburg	1,001-5,000	136	31
8	Ströer X Gmbh	Leipzig	5,001-10,000	122	51
9	Across SRL	Amburgo	51-200	114	65
10	TAS AG	Leipzig	201-500	95	29
11	Cho-Time Gmbh	Monchengladbach	501-1,000	75	24
12	Indeca Business Gmbh	Heilbronn	501-1,000	59	9
13	Comvendo Gmbh	Oberhausen	501-1,000	57	11
14	Zwei Löwen Mediawerk Gmbh	Munster	201-500	51	2
15	Verbaneum Gmbh	Nurnberg	201-500	41	20
16	Teleteam Call-Center UND Service Gmbh	Oldenburg Oldb.	201-500	38	5
17	Communigate Kommunikationsservice Gmbh	Passau	201-500	35	12
18	Triple S Manufaktur Bochum Gmbh	Bochum	201-500	34	12
19	PVS Relationship Services Gmbh & Co. KG	Stuttgart	51-200	33	12
20	Voxpark Gmbh	Berlin	51-200	26	2
21	Dialog-Factory Gmbh	Augsburg	201-500	24	7
22	Digital Dialog	Heusenstamm	201-500	23	9
23	Econ TEL Gmbh	Munster	51-200	23	6
24	Care4as Gmbh	Flensburg	201-500	21	2
25	O.Phon Gmbh	Leipzig	51-200	20	4

Showing 25 of 184 call center outsourcing companies based in Germany

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Call center outsourcing companies based in Germany at a glance

As of Aug 28, 2026

11-50Median size (employees)

BerlinLargest hub · 19 HQs

40Contacts with mobile numbers

3Emails 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

Call center outsourcing companies by metro

Metro	Companies
Call center outsourcing companies in Berlin	19
Call center outsourcing companies in Hamburg	11
Call center outsourcing companies in Leipzig	7
Call center outsourcing companies in Koln	6
Call center outsourcing companies in Essen	6
Call center outsourcing companies in Nurnberg	5
Call center outsourcing companies in Dusseldorf	5

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 “call center 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; 3 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 call center outsourcing companies are there based in Germany?

There are 184 call center 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 call center outsourcing companies?

Berlin leads with 19 headquartered companies, followed by Hamburg (11) and Leipzig (7).

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 619 verified decision-maker contacts tracked across these 184 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.