Company lists · Data refreshed September 2026
Top 25 Outbound call centers based in Germany
RevenueBase identified 149 outbound call centers headquartered in Germany as of September 2026 and tracks 1,318 professional contacts across them, including 237 with verified work emails and 14 with mobile numbers. Berlin is the largest hub.
This list covers outbound call centers 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 outbound call centers based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 303 | ||||
“gevekom - Your better place to work.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 76 | ||||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 38 | ||||
“Call-Center & Service-Dienstleister überzeugt auf 1.998qm mit über 180 festen Mitarbeitern, durch Qualität, Effizienz & Transparenz.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 37 | ||||
“For over 30 years, we have been helping companies with technically complex products and services that require explanation to achieve predictable and sustainable growth -…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 28 | ||||
“Die voxpark GmbH ist ein etabliertes und wachsendes Kundenservice-Center, das sich erfolgreich in den Bereichen Telemarketing und ganzheitliches Kundenmanagement positioniert hat.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 24 | ||||
“Wer wir sind: triveo | Telemarketing steht seit über 19 Jahren für messbare und professionelle B2B-Kundenakquise.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | Communicall GmbhIndirect evidence | 24 | |||
“Ihre Marke ist unsere Botschaft Business Dialog ist unsere Stärke, effektive Vertriebsarbeit und optimales Kundenmarketing sind das A und O unserer Arbeit.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 23 | ||||
“DIGITAL DIALOG ist eine der führenden B2B TeleSales Agenturen in Deutschland – mit Standorten in der Metropolregion Rhein-Main sowie Berlin/Potsdam.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 23 | ||||
“Die Services von expertcloud beginnen dort, wo traditionelle Call Center an ihre Grenzen geraten: 100% Abdeckung eines volatilen Anrufvolumens durch einen kurzfristig skalierbaren…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 21 | ||||
“Callcenter-Services, Telesales, Kundenservice” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 19 | ||||
“Den roten oder den blauen Draht kappen?” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 17 | ||||
“Mediaphon Telemarketing GmbH steht für qualitativ hochwertiges Telemarketing Wir beraten telefonisch mehr als Bestandskunden aller Branchen im B2B und begleiten klein- und…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 15 | ||||
“AVESKA leistet hochprofessionelle Vertriebsunterstützung für Midrange und Enterprise Unternehmen aus dem IT-Bereich.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | Beda Telemarketing GmbhIndirect evidence | 13 | |||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 12 | ||||
“TELEMARKETING MIT DER TELESALES4U Vergessen Sie miefige Callcenter und Abtelefonieren nach Schema F.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 11 | ||||
“Cloud IT Services GmbH, a German company founded in 2010, excells in the development of Outbound Call Center solutions.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 11 | ||||
“Als Spezialist für Telefon-Sekretariatsdienste und das Outsourcing von Telefonzentralen schafft TELiAS mit den vier Geschäftsbereichen Sekretariatsdienste, Mehrwertdienste…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 10 | ||||
“Über Grundwerk Digital Willkommen bei Grundwerk Digital, Ihrer führenden Leadgenerierungsagentur aus Berlin.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 9 | ||||
“Über CBO-Marketing… Wir von CBO Marketing helfen gezielt IT-Unternehmen dabei, mehr Neukunden zu gewinnen und mehr Umsatz zu erzielen, durch gezieltes Telemarketing.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 9 | ||||
“Termitel – Ihr Partner für exzellentes Telemarketing & Customer Care Sie suchen einen starken Partner für Ihre Call Center- und Customer Care-Aktivitäten?” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 | ||||
“Steigere sofort deinen Umsatz – ohne Kaltakquise!” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 7 | ||||
“Hallo!” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | Epsilon Verlagsmarketing GmbhIndirect evidence | 7 | |||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 7 | ||||
“WT Management is a company based out of Germany.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6 | ||||
“MFS Joker - Sell like hell Du bist Unternehmer:in und hast so viele Anfragen, dass Dein Vertriebsteam nicht hinterher kommt, alle zeitnah abzuarbeiten?” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 149 outbound call centers based in Germany
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Outbound call centers based in Germany at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
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 outbound call centers, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Germany whose own description of what they do matches “outbound call centers”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among outbound call centers, 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 an evidence 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, 237 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 5, 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
How many outbound call centers are there based in Germany?
RevenueBase identified 149 outbound call centers 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?
Gevekom Gmbh, headquartered in Dresden, tops this list with the largest team on record.
Which city has the most outbound call centers?
Berlin leads with 11 headquartered companies, followed by Koln (9) and Hamburg (6).
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 237 verified decision-maker contacts tracked across these 149 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 5, 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 SmartSearch, 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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