Company lists · Data refreshed November 2026

Top 25 Enterprise telephony providers based in Germany

RevenueBase identified 251 company matches for enterprise telephony providers associated with Germany as of November 2026 and tracks 1,656 professional contacts across them, including 591 with verified work emails. Berlin is the largest hub.

This list covers company matches for enterprise telephony providers 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 November 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
251Companies
1,656Contacts tracked
591Verified emails
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The 25 largest enterprise telephony providers based in Germany

Ranked by team size
Top 25 of 251 company matches for enterprise telephony providers based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchBochum, GermanyHQ recorded Nov 5, 20261,001-5,00076 contacts →

Exact match

“Enreach ist ein europaweit führender Anbieter von Unified-Communications- und Cloud-Contact-Center-Lösungen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBerlin, GermanyHQ recorded Nov 5, 2026201-50076 contacts →

Exact match

“About Snom Technology GmbH Founded in 1997 and headquartered in Berlin Germany, Snom is a German multinational corporation and the world’s first and leading brand of professional…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchCologne, GermanyHQ recorded Nov 5, 202651-20064 contacts →

Exact match

“Placetel ist in Deutschland einer der führenden Anbieter von professionellen Telefonanlagen aus der Cloud und ein Dienst der Gamma Placetel GmbH.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchDortmund, GermanyHQ recorded Nov 5, 202651-20047 contacts →

Exact match

“DOKOM21 ist ein regionaler Telekommunikationsdienstleister mit Sitz in Dortmund.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchFrankfurt, GermanyHQ recorded Nov 5, 202651-20044 contacts →

Exact match

“IT Managed Services und Cloud Telefonie 2006 wurde die byon gmbh mit Sitz in Frankfurt/Main gegründet.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchKoblenz, GermanyHQ recorded Nov 5, 202651-20038 contacts →

Exact match

“Für Unternehmen, Institutionen und öffentliche Verwaltung Die KEVAG Telekom (KTK) ist seit 1997 Ihr zuverlässiger Partner für professionelle Telekommunikationslösungen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBerlin, GermanyHQ recorded Nov 5, 2026201-50037 contacts →

Exact match

“Das Büro der Zukunft.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchKölln-reisiek, GermanyHQ recorded Nov 5, 202611-5036 contacts →

Exact match

“comdesk ist ein deutsches Unternehmen für cloudbasierte Business-Kommunikation mit Sitz in Kölln-Reisiek.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchBerlin, GermanyHQ recorded Nov 5, 202611-5033 contacts →

Exact match

“Established in 2002, 42com Telecommunication GmbH started by designing a white-label VoIP platform.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchHamburg, GermanyHQ recorded Nov 5, 202651-20031 contacts →

Exact match

“SYNO steht für Synergien.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchBreitengüßbach, GermanyHQ recorded Nov 5, 202651-20030 contacts →

Exact match

“Wir sind TeleSys - communication for business Frankens größtes, herstellerunabhängiges Systemhaus.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchDarmstadt, GermanyHQ recorded Nov 5, 202611-5026 contacts →

Exact match

“Cloud- und On-Premise-Lösungen - Technologie verwandelt Die toplink-Gruppe etwas genauer betrachtet: toplink GmbH - die Cloud Company Bereits 2005 vermarktet die toplink GmbH die…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchBörwang, GermanyHQ recorded Nov 5, 202651-20025 contacts →

Exact match

“Die OFF Telekommunikation GmbH ist DER Partner für moderne Kommunikationslösungen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchHerbolzheim, GermanyHQ recorded Nov 5, 202651-20021 contacts →

Exact match

“SH business COM, zählt seit über 30 Jahren zu den größten und leistungsstärksten Kommunikationszentren in Deutschland.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchGoldbach, GermanyHQ recorded Nov 5, 202651-20021 contacts →

Exact match

“We offer advantages of modern telephone systems and cloud solutions as well as access to landline network and internet, all from one source.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchHanover, GermanyHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“TOPAS ist Distributor für moderne Netzwerk- und Kommunikationstechnologie.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchBerlin, GermanyHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“LIPINSKI TELEKOM ist Ihr Experte für umfassende Beratung, Planung, Installation und Betreuung von vernetzten Kommunikationslösungen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchAdelsdorf, GermanyHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“Your experts in information technology.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchPforzheim, GermanyHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“reputatio ist seit über 20 Jahren an mittlerweile zwei Standorten als Telekommunikationsunternehmen und IT-Infrastrukturdienstleister erfolgreich.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchMannheim, GermanyHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“Schollmeier - Dein 360° Telekommunikationsanbieter.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchLangenzenn, GermanyHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“Die purtel.com GmbH ist Marktführer und positioniert sich als „Die IP-Plattform“ und bietet eine Vielzahl von Dienstleistungen rund um ihre Kerndienste purTEL (VoiP-Telefonie)…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBerlin, GermanyHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“Seit 2005 bietet reventix innovative Cloud-Telefonie für Unternehmen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchMunich, GermanyHQ recorded Nov 5, 202611-5015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchFriedrichsdorf, GermanyHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“WIR VERBINDEN BUSINESS TEAMS!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchMünchen-unterföhring, GermanyHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“Wir verbinden Menschen – ob Local oder Global Player, vom Start-up bis zum Großkonzern.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 251 enterprise telephony providers based in Germany

See the full list, filter by size, metro and specialty, and access 591 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Enterprise telephony providers based in Germany at a glance

As of Nov 5, 2026
35.7%Verified-email coverage
6.6Average contacts per company
11-50Median size (employees)
10.4%Largest-city concentration · Berlin
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
114
11-50
92
51-200
20
201-500
6
501-1,000
2
1,001-5,000
1

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 251 companies.

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 “enterprise telephony providers” 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 591 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 November 5, 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.

Enterprise telephony providers by metro

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 “enterprise telephony providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise telephony providers are there based in Germany?

RevenueBase identified 251 company matches for enterprise telephony providers associated with Germany as of November 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?

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

Which city has the most enterprise telephony providers?

Berlin leads with 26 company records, followed by Munich (12) and Hamburg (7).

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 591 professional contacts with verified work emails tracked across these 251 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 November 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.