Company lists · Data verified August 2026

Top 25 Cloud communication software companies based in Germany

Name: Cloud communication software companies based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 69 companies tracked

There are 69 cloud communication software companies headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 2,904 professional contacts across them, including 475 with verified work emails and 256 with mobile numbers. Berlin is the largest hub.

This list covers cloud communication software companies headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

69Companies

2,904Contacts tracked

475Verified emails

256Mobile numbers

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The 25 largest cloud communication software companies based in Germany

Ranked by team size

Top 25 of 69 cloud communication software companies based in Germany, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	UNIFY	Munich	5,001-10,000	1,808	3
2	Retarus	Erfurt	201-500	334	189
3	Tyntec	Munich	51-200	100	53
4	Innovaphone	Langenhagen	51-200	97	64
5	Enreach DE	Bochum	1,001-5,000	76	40
6	Placetel	Koln	51-200	55	19
7	Comdesk	Kolln-Reisiek	11-50	29	9
8	Toplink Gmbh	Darmstadt	11-50	26	6
9	Caseris Gmbh	Stolberg Rhld.	51-200	21	17
10	Reventix Gmbh	Berlin	11-50	15	11
11	Starleaf	Hamburg	201-500	14	9
12	Crown Communications Gmbh	Karlsruhe	11-50	10	2
13	PMG Pohlmann Media Group AG	Inning Am Ammersee	11-50	9	6
14	Fonial Gmbh	Koln	11-50	8	5
15	BFW Kommunikationssysteme Gmbh	Langenhagen	11-50	7	5
16	Callone Gmbh	Kolln-Reisiek	11-50	7	2
17	Tege Deutschland Gmbh	Langenbrettach	11-50	6	3
18	Locanet Gmbh	Dortmund	1-10	6	3
19	Devenia Systems Gmbh	Augsburg	11-50	5	5
20	Kamikom Gmbh	Kiel	1-10	5	4
21	Voiceworks Gmbh	Erkrath	201-500	5	3
22	Selbstläufer Gmbh	Hamburg	1-10	5	2
23	TK -Technologies Gmbh	Hildesheim	11-50	4	3
24	Sabienzia	Berlin	11-50	2	2
25	B.C. Business Communication Gmbh	Stuttgart	1-10	2	2

Showing 25 of 69 cloud communication software companies based in Germany

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Cloud communication software companies based in Germany at a glance

As of Aug 28, 2026

11-50Median size (employees)

BerlinLargest hub · 5 HQs

256Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Cloud communication software companies by metro

Metro	Companies
Cloud communication software companies in Berlin	5
Cloud communication software companies in Munich	4
Cloud communication software companies in Koln	3
Cloud communication software companies in Darmstadt	3
Cloud communication software companies in Hamburg	3
Cloud communication software companies in Kolln-Reisiek	2
Cloud communication software companies in Langenhagen	2
Cloud communication software companies in Dusseldorf	2

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 “cloud communication software companies”, 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; 1 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 cloud communication software companies are there based in Germany?

There are 69 cloud communication software companies headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

UNIFY, headquartered in Munich, tops this list with the largest team on record.

Which city has the most cloud communication software companies?

Berlin leads with 5 headquartered companies, followed by Munich (4) and Koln (3).

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 475 verified decision-maker contacts tracked across these 69 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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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.