Company lists · Data refreshed September 2026
Top 25 Cold calling services based in Germany
RevenueBase identified 198 cold calling services headquartered in Germany as of September 2026 and tracks 1,152 professional contacts across them, including 302 with verified work emails. Berlin is the largest hub.
This list covers cold calling services 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 cold calling services based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 37 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 32 contacts → | ||||
Indirect evidence “Cooper Advertising with its headquarters in Hamburg’s HafenCity district is your expert in B2C lead generation and direct sales.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 30 contacts → | ||||
Indirect evidence “Bei der UNIAQ AG vereint sich echte Expertise direkt aus Heidelberg: 50 Jahre B2B-IT-Telemarketing-Erfahrung der Gründer trifft auf ein vielseitiges, erfahrenes Team aus Sales…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 28 contacts → | ||||
Indirect evidence “Die voxpark GmbH ist ein etabliertes und wachsendes Kundenservice-Center, das sich erfolgreich in den Bereichen Telemarketing und ganzheitliches Kundenmanagement positioniert hat.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 27 contacts → | ||||
Indirect evidence “DER BESSERE WEG ZU IHREN B2B-KUNDEN plicatec ist der führende Vertriebsdienstleister für Unternehmen aus IT, Tech, High-Tech, Engineering und Unternehmen mit komplexen Lösungen…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 27 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 24 contacts → | ||||
Indirect evidence “Wer wir sind: triveo | Telemarketing steht seit über 19 Jahren für messbare und professionelle B2B-Kundenakquise.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 24 contacts → | ||||
Indirect evidence “Ihre Marke ist unsere Botschaft Business Dialog ist unsere Stärke, effektive Vertriebsarbeit und optimales Kundenmarketing sind das A und O unserer Arbeit.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 23 contacts → | ||||
Indirect evidence “Wir sind Ihr Premium Partner für den telefonischen sowie digitalen Vertrieb.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 23 contacts → | ||||
Indirect evidence “DIGITAL DIALOG ist eine der führenden B2B TeleSales Agenturen in Deutschland – mit Standorten in der Metropolregion Rhein-Main sowie Berlin/Potsdam.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 22 contacts → | ||||
Indirect evidence “Digitization and scaling through predictable new customer and employee acquisition.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 21 contacts → | ||||
Indirect evidence “Callcenter-Services, Telesales, Kundenservice” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 19 contacts → | ||||
Indirect evidence “Den roten oder den blauen Draht kappen?” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 17 contacts → | ||||
Indirect evidence “Mediaphon Telemarketing GmbH steht für qualitativ hochwertiges Telemarketing Wir beraten telefonisch mehr als Bestandskunden aller Branchen im B2B und begleiten klein- und…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 15 contacts → | ||||
Indirect evidence “AVESKA leistet hochprofessionelle Vertriebsunterstützung für Midrange und Enterprise Unternehmen aus dem IT-Bereich.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 15 contacts → | ||||
Indirect evidence “Möchten Sie hoch hinaus und die Bekanntheit Ihres Produkts oder Ihrer Dienstleistung unter Entscheidern steigern?” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 13 contacts → | ||||
Indirect evidence “UNSER SPEZIALGEBIET Hörer und Flamme ist Beratungshaus und Dienstleister.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 13 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 12 contacts → | ||||
Indirect evidence “TELEMARKETING MIT DER TELESALES4U Vergessen Sie miefige Callcenter und Abtelefonieren nach Schema F.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 10 contacts → | ||||
Indirect evidence “Über Grundwerk Digital Willkommen bei Grundwerk Digital, Ihrer führenden Leadgenerierungsagentur aus Berlin.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 9 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 9 contacts → | ||||
Indirect evidence “Termitel – Ihr Partner für exzellentes Telemarketing & Customer Care Sie suchen einen starken Partner für Ihre Call Center- und Customer Care-Aktivitäten?” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 8 contacts → | ||||
Indirect evidence “Maßgeschneiderte Telesales-Strategien.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 7 contacts → | ||||
Indirect evidence “Steigere sofort deinen Umsatz – ohne Kaltakquise!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 7 contacts → | ||||
Indirect evidence “Hallo!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: cold calling services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names cold calling services.
- Partial evidence
- Its own public description names part of cold calling services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cold calling services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 198 cold calling services based in Germany
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Cold calling services based in Germany at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 198 companies.
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 cold calling services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Germany whose own description of what they do matches “cold calling services”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cold calling services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among cold calling services, 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 its RevenueBase Smart Search 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, 302 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 21, 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
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cold calling services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many cold calling services are there based in Germany?
RevenueBase identified 198 cold calling services 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?
Dimarcon Gmbh, headquartered in Wiesbaden, tops this list with the largest team on record.
Which city has the most cold calling services?
Berlin leads with 16 headquartered companies, followed by Hamburg (11) and Munchen (10).
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 302 verified decision-maker contacts tracked across these 198 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 21, 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 Smart Search, 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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