Company lists · Data refreshed September 2026

Top 25 Sales support outsourcing companies based in Germany

RevenueBase identified 245 company matches for sales support outsourcing companies associated with Germany as of September 2026 and tracks 2,557 professional contacts across them, including 510 with verified work emails and 44 with mobile numbers. Berlin is the largest hub.

This list covers company matches for sales support outsourcing companies associated with Germany, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 6, 2026 How this list was built
245Companies
2,557Contacts tracked
510Verified emails
44Mobile numbers
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The 25 largest sales support outsourcing companies based in Germany

Ranked by team size
Top 25 of 245 company matches for sales support outsourcing companies based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNuremberg, GermanyHQ recorded Sep 6, 20265,001-10,000359 contacts →

Exact match

“The SELLBYTEL Group is one of the worldwide leading outsourcing specialists and part of Webhelp.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
2Exact matchNuremberg, GermanyHQ recorded Sep 6, 2026201-500188 contacts →

Exact match

“Als Vertriebspartner von B2B-Unternehmen steigern wir seit über 20 Jahren Umsätze, gewinnen neue Kunden und heben ungenutzte Marktpotenziale.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
3Exact matchMönchengladbach, GermanyHQ recorded Sep 6, 2026501-1,00076 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
4Exact matchBad Homburg, GermanyHQ recorded Sep 6, 202651-20073 contacts →

Exact match

“Wir sind führender und weltweit agierender Dienstleister für Vertriebsunterstützung und sind seit über 40 Jahren für unsere namhaften Kunden am Point of Sale unterwegs.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
5Exact matchOberhausen, GermanyHQ recorded Sep 6, 2026501-1,00056 contacts →

Exact match

“Gegründet um anders zu sein.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
6Exact matchUlm, GermanyHQ recorded Sep 6, 202651-20054 contacts →

Exact match

“Max ASP is a professional inside sales-as-a-service and CRM consulting provider, specialized in industrial machinery and components, and complex industries, across global markets.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
7Exact matchMülheim An Der Ruhr, GermanyHQ recorded Sep 6, 2026201-50044 contacts →

Exact match

“Wir setzen auf erfolgreiches Wachstum unserer Partner und sind Spezialisten im Bereich Sales, Service & Dialogmarketing.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
8Exact matchWiesbaden, GermanyHQ recorded Sep 6, 202651-20037 contacts →

Exact match

“For over 30 years, we have been helping companies with technically complex products and services that require explanation to achieve predictable and sustainable growth -…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
9Exact matchLudwigsburg, GermanyHQ recorded Sep 6, 202651-20032 contacts →

Exact match

“Vertrieblicher Erfolg ist unser Maßstab - COMPRiS ist einer der führenden B2B-Full-Service Anbieter für die Bereiche der Kunden- und Partner-Identifikation, Segmentierung sowie…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
10Exact matchBerlin, GermanyHQ recorded Sep 6, 202651-20028 contacts →

Exact match

“Die voxpark GmbH ist ein etabliertes und wachsendes Kundenservice-Center, das sich erfolgreich in den Bereichen Telemarketing und ganzheitliches Kundenmanagement positioniert hat.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
11Exact matchFreiburg, GermanyHQ recorded Sep 6, 202611-5027 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
12Exact matchMannheim, GermanyHQ recorded Sep 6, 202651-20024 contacts →

Exact match

“Wer wir sind: triveo | Telemarketing steht seit über 19 Jahren für messbare und professionelle B2B-Kundenakquise.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
13Exact matchBayreuth, GermanyHQ recorded Sep 6, 202651-20024 contacts →

Exact match

“Ihre Marke ist unsere Botschaft Business Dialog ist unsere Stärke, effektive Vertriebsarbeit und optimales Kundenmarketing sind das A und O unserer Arbeit.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
14Exact matchMünster, GermanyHQ recorded Sep 6, 202651-20023 contacts →

Exact match

“Wir sind Ihr Premium Partner für den telefonischen sowie digitalen Vertrieb.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
15Exact matchHeusenstamm, GermanyHQ recorded Sep 6, 2026201-50023 contacts →

Exact match

“DIGITAL DIALOG ist eine der führenden B2B TeleSales Agenturen in Deutschland – mit Standorten in der Metropolregion Rhein-Main sowie Berlin/Potsdam.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
16Exact matchFalkenhardt, GermanyHQ recorded Sep 6, 20261-1022 contacts →

Exact match

“Digitization and scaling through predictable new customer and employee acquisition.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
17Exact matchFlensburg, GermanyHQ recorded Sep 6, 2026201-50021 contacts →

Exact match

“Callcenter-Services, Telesales, Kundenservice”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
18Exact matchLeipzig, GermanyHQ recorded Sep 6, 202651-20019 contacts →

Exact match

“Den roten oder den blauen Draht kappen?”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
19Exact matchNuremberg, GermanyHQ recorded Sep 6, 202611-5017 contacts →

Exact match

“Mediaphon Telemarketing GmbH steht für qualitativ hochwertiges Telemarketing Wir beraten telefonisch mehr als Bestandskunden aller Branchen im B2B und begleiten klein- und…”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
20Exact matchFriedrichsdorf, GermanyHQ recorded Sep 6, 202611-5015 contacts →

Exact match

“AVESKA leistet hochprofessionelle Vertriebsunterstützung für Midrange und Enterprise Unternehmen aus dem IT-Bereich.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
21Exact matchHamburg, GermanyHQ recorded Sep 6, 202611-5015 contacts →

Exact match

“Möchten Sie hoch hinaus und die Bekanntheit Ihres Produkts oder Ihrer Dienstleistung unter Entscheidern steigern?”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
22Exact matchHamburg, GermanyHQ recorded Sep 6, 20261-1015 contacts →

Exact match

“Wünschen Sie sich begeisterte Interessenten und motivierte Mitarbeiter?”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
23Exact matchUnna, GermanyHQ recorded Sep 6, 202611-5014 contacts →

Exact match

“As an outsourcing company with headquarters in Germany and Ukraine, we specialize in SEO, Web development and Software development.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
24Exact matchMunich, GermanyHQ recorded Sep 6, 202611-5013 contacts →

Exact match

“UNSER SPEZIALGEBIET Hörer und Flamme ist Beratungshaus und Dienstleister.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
25Exact matchWiesbaden, GermanyHQ recorded Sep 6, 202611-5013 contacts →

Exact match

“Dienstleister für die Bereitstellung von B2B Vertriebsteams & Vertriebsentwicklung.”

Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase

Showing 25 of 245 sales support outsourcing companies based in Germany

See the full list, filter by size, metro and specialty, and access 510 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sales support outsourcing companies based in Germany at a glance

As of Sep 6, 2026
19.9%Verified-email coverage
1.7%Mobile-number coverage
10.4Average contacts per company
1-10Median size (employees)
10.2%Largest-city concentration · Berlin
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
138
11-50
60
51-200
31
201-500
9
501-1,000
2
1,001-5,000
1
5,001-10,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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
Company records associated with Germany whose business descriptions match “sales support outsourcing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 510 professional contacts with verified work emails across the full matched dataset. 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 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “sales support outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sales support outsourcing companies are there based in Germany?

RevenueBase identified 245 company matches for sales support outsourcing companies associated with Germany as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Sellbytel Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most sales support outsourcing companies?

Berlin leads with 25 company records, followed by Munich (16) and Hamburg (12).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 510 professional contacts with verified work emails tracked across these 245 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 6, 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.