Company lists · Data verified August 2026

Top 25 Call center service providers based in Germany

Name: Call center service providers based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 147 companies tracked

There are 147 call center service providers headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 2,489 professional contacts across them, including 338 with verified work emails and 14 with mobile numbers. Berlin is the largest hub.

This list covers call center service providers 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.

147Companies

2,489Contacts tracked

338Verified emails

14Mobile numbers

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The 25 largest call center service providers based in Germany

Ranked by team size

Top 25 of 147 call center service providers 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	Cho-Time Gmbh	Monchengladbach	501-1,000	75	24
7	Indeca Business Gmbh	Heilbronn	501-1,000	59	9
8	Verbaneum Gmbh	Nurnberg	201-500	41	20
9	Global Office Gmbh	Montabaur	51-200	38	9
10	Teleteam Call-Center UND Service Gmbh	Oldenburg Oldb.	201-500	38	5
11	Communigate Kommunikationsservice Gmbh	Passau	201-500	35	12
12	Voxpark Gmbh	Berlin	51-200	26	2
13	Dialog-Factory Gmbh	Augsburg	201-500	24	7
14	CMX Remote Gmbh	Berlin	11-50	21	6
15	Care4as Gmbh	Flensburg	201-500	21	2
16	Benefit Büroservice Gmbh	Munchen	11-50	17	6
17	EUA Euro Union Assistance Gmbh	Stuttgart	51-200	14	3
18	Callways Call Center Gmbh	Berlin	51-200	12	1
19	Telias Gruppe	Koln	51-200	11	3
20	Communikom Gruppe	Mainz	201-500	11	1
21	Termitel Gmbh	Ettlingen	11-50	9	4
22	Multiconnect Gmbh	Munchen	11-50	9	3
23	O-Ton Call Center Services Gmbh	Dortmund	51-200	9	1
24	Intertel Dialog-Service-Gmbh	Nurnberg	51-200	7	6
25	Makotel Gmbh	Sondershausen	51-200	6	2

Showing 25 of 147 call center service providers based in Germany

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Call center service providers based in Germany at a glance

As of Aug 28, 2026

11-50Median size (employees)

BerlinLargest hub · 15 HQs

14Contacts with mobile numbers

1Emails 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 service providers by metro

Metro	Companies
Call center service providers in Berlin	15
Call center service providers in Hamburg	7
Call center service providers in Munchen	7
Call center service providers in Dusseldorf	5
Call center service providers in Nurnberg	5
Call center service providers in Essen	5
Call center service providers in Koln	4

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 service providers”, 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; 1 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 service providers are there based in Germany?

There are 147 call center service providers 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 service providers?

Berlin leads with 15 headquartered companies, followed by Hamburg (7) and Munchen (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 338 verified decision-maker contacts tracked across these 147 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.