Company lists · Data refreshed September 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 Data refreshed Sep 2, 2026 582 companies tracked

RevenueBase identified 582 enterprise telecom consulting companies headquartered in Germany as of September 2026 and 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 2, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 Smart Search rating on every row Refreshed Sep 2, 2026 86% judged on-target in blind review

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 refreshed Sep 2, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise telecom consulting companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	ACP Gruppe	Partial evidence	Koln, Germany	1,001-5,000	1,070 contacts →
	Partial evidence “ACP bietet herstellerunabhängig Consulting, Beschaffung und Integration, Managed Services, Datacenter Services sowie IT-Finanzierung für das gesamte IT-Sortiment und betreut…” Source: RevenueBase Database · checked Sep 2, 2026
2	Mikrolink	Partial evidence	Munih, Germany	501-1,000	422 contacts →
	Partial evidence “Mikrolink is a global systems integrator that provides integrated solutions in the fields of telecommunications, data center technologies, and information and communication…” Source: RevenueBase Database · checked Sep 2, 2026
3	Axians Germany	Indirect evidence	Frankfurt Am Main, Germany	1,001-5,000	406 contacts →
	Indirect evidence “AXIANS is the corporate brand for network infrastrucutures and corporate communications of VINCI Energies, one of the leading European providers of energy and information…” Source: RevenueBase Database · checked Sep 2, 2026
4	Plusnet Gmbh	Indirect evidence	Koln, Germany	201-500	255 contacts →
	Indirect evidence “Die Plusnet GmbH, eine Tochtergesellschaft der EnBW, ist ein deutsches Telekommunikationsunternehmen mit Fokus auf Geschäftskunden.” Source: RevenueBase Database · checked Sep 2, 2026
5	Spie ICS Spie Information & Communication Services Gmbh	Indirect evidence	Hannover, Germany	1,001-5,000	214 contacts →
	Indirect evidence “Als zuverlässiger Partner mit einer breiten Technik-Expertise in den Leistungsfeldern IT Solutions, Unified Communication & Collaboration Solutions und Security Technology…” Source: RevenueBase Database · checked Sep 2, 2026
6	Triopt Group	Indirect evidence	Moers, Germany	201-500	171 contacts →
	Indirect evidence “Willkommen bei der TRIOPT GmbH – Ihrem technischen Dienstleister im Bereich Planung, Realisierung und Optimierung im Funk- und Festnetz.” Source: RevenueBase Database · checked Sep 2, 2026
7	Ostertag Detewe	Indirect evidence	Ettlingen, Germany	201-500	154 contacts →
	Indirect evidence “Transform your business DeTeWe Communications have many years of experience in delivering tailored, integrated solutions for their clients internationally 365 days a year, 24…” Source: RevenueBase Database · checked Sep 2, 2026
8	M3 Management Consulting Gmbh	Strong evidence	Germany	51-200	113 contacts →
	Strong evidence “m3 management consulting is a consultancy focused around the network industry (such as utilities and telecommunications), that combines traditional management consulting and…” Source: RevenueBase Database · checked Sep 2, 2026
9	S-Kon Gruppe	Indirect evidence	Neu Wulmstorf, Germany	501-1,000	94 contacts →
	Indirect evidence “Seit 2003 sind wir erfolgreich als Fullservice Dienstleister in der Telekommunikationsbranche tätig.” Source: RevenueBase Database · checked Sep 2, 2026
10	Gamma DE	Partial evidence	Oberkotzau, Germany	51-200	66 contacts →
	Partial evidence “Die HFO Telecom GmbH verbindet modernste Technologien im Telekommunikationsbereich mit langjähriger Erfahrung.” Source: RevenueBase Database · checked Sep 2, 2026
11	Comconsult Gmbh	Indirect evidence	Aachen, Germany	51-200	53 contacts →
	Indirect evidence “Dürfen wir uns vorstellen?” Source: RevenueBase Database · checked Sep 2, 2026
12	CMS It-Consulting Gmbh	Indirect evidence	Neukeferloh, Germany	51-200	50 contacts →
	Indirect evidence “Networks are the backbone of modern organizations.” Source: RevenueBase Database · checked Sep 2, 2026
13	TMK Thomas Mack Kommunikation Gmbh	Indirect evidence	Muenzenberg, Germany	51-200	49 contacts →
	Indirect evidence “Die TMK Thomas Mack Kommunikation GmbH ist mit >60 Beratern und Projektleitern eines der größten unabhängigen, rein beratend tätigen Unternehmen in Deutschland.” Source: RevenueBase Database · checked Sep 2, 2026
14	Ezcon Network Gmbh	Partial evidence	Aalen, Germany	51-200	46 contacts →
	Partial evidence “EZcon Network GmbH is one of the leading consulting companies in the area of information technology (IT).” Source: RevenueBase Database · checked Sep 2, 2026
15	Bitconex Gmbh	Indirect evidence	Munich, Germany	51-200	45 contacts →
	Indirect evidence “About BITConEx Since 2008, BITConEx has been synonymous with excellent IT architectures utilising the latest technologies and standards, as well as in-depth process expertise…” Source: RevenueBase Database · checked Sep 2, 2026
16	Syserso Networks Gmbh	Indirect evidence	Hannover, Germany	51-200	43 contacts →
	Indirect evidence “Syserso Networks realisiert mit mehr als 25 Jahren Erfahrung zukunftssichere Telekommunikationsnetze für öffentliche und private Netzbetreiber.” Source: RevenueBase Database · checked Sep 2, 2026
17	HCD Consulting Gmbh	Partial evidence	Inning A. Ammersee, Germany	51-200	43 contacts →
	Partial evidence “HCD Consulting GmbH is your reliable IT partner.” Source: RevenueBase Database · checked Sep 2, 2026
18	Digit4u Business Solutions Gmbh	Indirect evidence	Frankfurt, Germany	51-200	41 contacts →
	Indirect evidence “Unser Unternehmen ist nicht nur ein kompetenter Anbieter klassischer IT-Dienstleistungen, sondern bietet auch Dienstleistungen im Bereich Beratung, Programm- und Projektmanagement…” Source: RevenueBase Database · checked Sep 2, 2026
19	Gftd Gmbh	Indirect evidence	Dortmund, Germany	201-500	38 contacts →
	Indirect evidence “GfTD steht für effiziente Beratungs- und Dienstleistungen im Telekommunikationsmarkt.” Source: RevenueBase Database · checked Sep 2, 2026
20	Sertronics Gmbh	Indirect evidence	Hamburg, Germany	501-1,000	38 contacts →
	Indirect evidence “Sertronics is a repair and service company with a high technical profile and high trained stuff.” Source: RevenueBase Database · checked Sep 2, 2026
21	Alsbridge	Indirect evidence	Montabaur, Germany	201-500	36 contacts →
	Indirect evidence “Alsbridge helps companies improve operations, reduce costs and optimize service provider relationships.” Source: RevenueBase Database · checked Sep 2, 2026
22	Netcom Connected Services Gmbh	Indirect evidence	Neukieritzsch, Germany	51-200	33 contacts →
	Indirect evidence “Die Netcom Connected Services GmbH ist ein dynamisches Unternehmen im Bereich Nachrichtentechnik/Kommunikationslösungen, insbesondere für Kunden mit hohen Ansprüchen an die…” Source: RevenueBase Database · checked Sep 2, 2026
23	Telesys Kommunikationstechnik Gmbh	Indirect evidence	Breitengussbach, Germany	51-200	30 contacts →
	Indirect evidence “Wir sind TeleSys - communication for business Frankens größtes, herstellerunabhängiges Systemhaus.” Source: RevenueBase Database · checked Sep 2, 2026
24	Termath AG	Indirect evidence	Wolfsburg, Germany	51-200	29 contacts →
	Indirect evidence “Die TERMATH AG liefert maßgeschneiderte Lösungen im Bereich Kommunikationssysteme, Netzwerksysteme und Sicherheitssysteme sowie Service für Gewerbe, Industrie- und Großkunden.” Source: RevenueBase Database · checked Sep 2, 2026
25	Lorop Gmbh	Indirect evidence	Berlin, Germany	51-200	28 contacts →
	Indirect evidence “Die LOROP GmbH ist ein Service- und Beratungsunternehmen mit Hauptsitz in Berlin-Tiergarten.” Source: RevenueBase Database · checked Sep 2, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: enterprise telecom consulting companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names enterprise telecom consulting companies.
Partial evidence: Its own public description names part of enterprise telecom consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name enterprise telecom consulting companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

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 Sep 2, 2026

41.0%Verified-email coverage

1.5%Mobile-number coverage

10.8Average contacts per company

1-10Median size (employees)

7.7%Largest-city concentration · Berlin

Sep 2, 2026Page data refreshed

Companies by employee count

1-10

305

11-50

170

51-200

201-500

501-1,000

1,001-5,000

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among enterprise telecom consulting companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Germany whose own description of what they do matches “enterprise telecom consulting companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names enterprise telecom consulting companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among enterprise telecom consulting companies, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,584 across the full list. 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 2, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Enterprise telecom consulting companies by metro

Enterprise telecom consulting companies in Berlin45

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names enterprise telecom consulting companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many enterprise telecom consulting companies are there based in Germany?

RevenueBase identified 582 enterprise telecom consulting companies headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.

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 refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 2, 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 Smart Search, 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.