Company lists · Data verified August 2026

Top 25 Enterprise telecom consulting companies based in Germany

Name: Enterprise telecom consulting companies based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 582 companies tracked

There are 582 enterprise telecom consulting companies headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 6,305 professional contacts across them, including 2,584 with verified work emails and 96 with mobile numbers. Berlin is the largest hub.

This list covers enterprise telecom consulting 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.

582Companies

6,305Contacts tracked

2,584Verified emails

96Mobile numbers

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The 25 largest enterprise telecom consulting companies based in Germany

Ranked by team size

Top 25 of 582 enterprise telecom consulting 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	ACP Gruppe	Koln	1,001-5,000	1,070	365
2	Mikrolink	Munih	501-1,000	422	210
3	Axians Germany	Frankfurt Am Main	1,001-5,000	406	206
4	Plusnet Gmbh	Koln	201-500	255	143
5	Spie ICS Spie Information & Communication Services Gmbh	Hannover	1,001-5,000	214	109
6	Triopt Group	Moers	201-500	171	103
7	Ostertag Detewe	Ettlingen	201-500	154	70
8	M3 Management Consulting Gmbh	n/a	51-200	113	76
9	S-Kon Gruppe	Neu Wulmstorf	501-1,000	94	33
10	Gamma DE	Oberkotzau	51-200	66	34
11	Comconsult Gmbh	Aachen	51-200	53	40
12	CMS It-Consulting Gmbh	Neukeferloh	51-200	50	33
13	TMK Thomas Mack Kommunikation Gmbh	Muenzenberg	51-200	49	34
14	Ezcon Network Gmbh	Aalen	51-200	46	30
15	Bitconex Gmbh	Munich	51-200	45	36
16	Syserso Networks Gmbh	Hannover	51-200	43	25
17	HCD Consulting Gmbh	Inning A. Ammersee	51-200	43	23
18	Digit4u Business Solutions Gmbh	Frankfurt	51-200	41	12
19	Gftd Gmbh	Dortmund	201-500	38	24
20	Sertronics Gmbh	Hamburg	501-1,000	38	2
21	Alsbridge	Montabaur	201-500	36	6
22	Netcom Connected Services Gmbh	Neukieritzsch	51-200	33	10
23	Telesys Kommunikationstechnik Gmbh	Breitengussbach	51-200	30	19
24	Termath AG	Wolfsburg	51-200	29	16
25	Lorop Gmbh	Berlin	51-200	28	19

Showing 25 of 582 enterprise telecom consulting companies based in Germany

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Enterprise telecom consulting companies based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 45 HQs

96Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

305

11-50

170

51-200

201-500

501-1,000

1,001-5,000

Enterprise telecom consulting companies by metro

Metro	Companies
Enterprise telecom consulting companies in Berlin	45
Enterprise telecom consulting companies in Hamburg	24
Enterprise telecom consulting companies in Munchen	19
Enterprise telecom consulting companies in Dusseldorf	19
Enterprise telecom consulting companies in Frankfurt Am Main	18
Enterprise telecom consulting companies in Munich	14
Enterprise telecom consulting companies in Stuttgart	11

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 “enterprise telecom consulting 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; 0 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 enterprise telecom consulting companies are there based in Germany?

There are 582 enterprise telecom consulting companies headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

ACP Gruppe, headquartered in Koln, tops this list with the largest team on record.

Which city has the most enterprise telecom consulting companies?

Berlin leads with 45 headquartered companies, followed by Hamburg (24) and Munchen (19).

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 2,584 verified decision-maker contacts tracked across these 582 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.