Company lists · Data verified August 2026

Top 25 Call centers based in Germany

Use this directory to identify 163 call centers based in Germany, with 3,494 listed contacts and 429 listed email addresses. The directory was last updated in August 2026; Berlin is the single most-represented city among the companies on the list.

Call centers handle inbound and outbound phone interactions for clients, including customer service, sales, technical support, appointment setting, and other business communications. This list covers companies that provide call center services directly to businesses or organizations, including inbound, outbound, customer service, sales, support, and appointment-setting operations. Ranked by team size, largest first. Data current as of August 28, 2026.

163Companies
3,494Contacts tracked
429Verified emails
32Mobile numbers
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The 25 largest call centers based in Germany

Ranked by team size
Top 25 of 163 call centers based in Germany, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1Sellbytel GroupNuremberg5,001-10,00036333
2Gevekom GmbhLeipzig1,001-5,00030344
3Kikxxl GmbhDortmund1,001-5,00029432
4DCS Communication CenterBerlin1,001-5,00025537
5Amevida SEDortmund1,001-5,00023741
6Tricontes360Koln1,001-5,000791
7Cho-Time GmbhMonchengladbach501-1,0007524
8Dtms GmbhHamburg51-2004531
9Verbaneum GmbhNurnberg201-5004120
10Global Office GmbhMontabaur51-200389
11Teleteam Call-Center UND Service GmbhOldenburg Oldb.201-500385
12Communigate Kommunikationsservice GmbhPassau201-5003512
13Triple S Manufaktur Bochum GmbhBochum201-5003412
14Glöckle Direct GmbhStuttgart51-2003220
15Voxpark GmbhBerlin51-200262
16Dialog-Factory GmbhAugsburg201-500247
17Digital DialogHeusenstamm201-500239
18CMX Remote GmbhBerlin11-50216
19Care4as GmbhFlensburg201-500212
20O.Phon GmbhLeipzig51-200204
21Mediaphon Telemarketing GmbhNurnberg11-50167
22Icare Sales & Services Dialogmarketing AGKarlsruhe11-50165
23EUA Euro Union Assistance GmbhStuttgart51-200143
24Sales Unit GmbhMannheim51-200126
25Telias GruppeKoln51-200113

Showing 25 of 163 call centers based in Germany

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Call centers based in Germany at a glance

As of Aug 28, 2026
11-50Median size (employees)
BerlinLargest hub · 16 HQs
32Contacts with mobile numbers
4Emails re-verified in last 30 days

Companies by employee count

1-10
57
11-50
37
51-200
29
201-500
15
501-1,000
6
1,001-5,000
8
5,001-10,000
1

Call centers by metro

MetroCompanies
Call centers in Berlin16
Call centers in Hamburg8
Call centers in Koln7
Call centers in Munchen6
Call centers in Nurnberg5
Call centers in Essen4
Call centers in Dusseldorf4

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 centers”, 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; 4 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 centers are listed based in Germany?

163 call centers are listed based in Germany, with 3,494 contacts and 429 email addresses provided.

Which city has the most call centers in this list?

Berlin is the single most-represented city among the companies on the list.

How can I contact call centers in this directory?

The directory includes 3,494 listed contacts and 429 listed email addresses for the call centers included.

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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.