Company lists · Data verified August 2026

Top 25 Business communication platforms based in Germany

Name: Business communication platforms based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 61 companies tracked

There are 61 business communication platforms headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 2,468 professional contacts across them, including 286 with verified work emails and 229 with mobile numbers. Berlin is the largest hub.

This list covers business communication platforms 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.

61Companies

2,468Contacts tracked

286Verified emails

229Mobile numbers

Unlock all 61 companies Free account · no credit card · 2 minutes

The 25 largest business communication platforms based in Germany

Ranked by team size

Top 25 of 61 business communication platforms 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	Starface Gmbh	Karlsruhe	51-200	120	70
3	Innovaphone	Langenhagen	51-200	97	64
4	C4b COM For Business AG	Germering	51-200	65	12
5	Estos Gmbh	Munich	51-200	53	32
6	Mediasystem	Reinbek	51-200	27	17
7	Caseris Gmbh	Stolberg Rhld.	51-200	21	17
8	Stackfield	Munchen	11-50	17	1
9	Ctmodule AG	n/a	11-50	15	13
10	Starleaf	Hamburg	201-500	14	9
11	Exsolut Gmbh	Alsdorf Aachen	11-50	13	1
12	Voigtmann Gmbh	Nuremberg	11-50	10	6
13	Just Software AG	Hamburg	11-50	8	1
14	Chatwerk	Nurnberg	51-200	7	6
15	Greenit24 Gmbh	Osnabruck	11-50	6	3
16	Voiceworks Gmbh	Erkrath	201-500	5	3
17	Atrigam	Duesseldorf	1-10	5	3
18	Smart Technologies Germany Gmbh	Koln	11-50	4	4
19	Conference-Tv	Hamburg	51-200	4	3
20	Chorus Call Germany Gmbh	Frankfurt	11-50	4	3
21	Munich Solutions Gmbh	Munchen	1-10	4	3
22	12-05 Solutions Gmbh & Co. KG	Solingen	11-50	4	2
23	Komati	Munster	1-10	4	2
24	Colima Communications	Halberstadt	51-200	3	1
25	B.C. Business Communication Gmbh	Stuttgart	1-10	2	2

Showing 25 of 61 business communication platforms based in Germany

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 286 reachable decision-makers.

Free account · no credit card

See all 61 companies

Business communication platforms based in Germany at a glance

As of Aug 28, 2026

11-50Median size (employees)

BerlinLargest hub · 5 HQs

229Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

5,001-10,000

Business communication platforms by metro

Metro	Companies
Business communication platforms in Berlin	5
Business communication platforms in Hamburg	5
Business communication platforms in Munich	3
Business communication platforms in Munchen	3
Business communication platforms in Stuttgart	3
Business communication platforms in Darmstadt	2
Business communication platforms in Karlsruhe	2
Business communication platforms 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 “business communication platforms”, 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; 3 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 business communication platforms are there based in Germany?

There are 61 business communication platforms 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 business communication platforms?

Berlin leads with 5 headquartered companies, followed by Hamburg (5) and Munich (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 286 verified decision-maker contacts tracked across these 61 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.

Ready to reach these companies? Verified emails and direct dials for all 61 business communication platforms based in Germany. Start with a free account, no credit card.

Get the full list

Related lists

Business communication platforms by geography

Browse the directory

Browse: Companies home · All Germany lists · All Business communication platforms lists · New lists

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.