Company lists · Data refreshed September 2026

Top 25 Enterprise communication solutions consultants based in Germany

RevenueBase identified 165 enterprise communication solutions consultants headquartered in Germany as of September 2026 and tracks 1,591 professional contacts across them, including 694 with verified work emails. Berlin is the largest hub.

This list covers enterprise communication solutions consultants 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 28, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
165Companies
1,591Contacts tracked
694Verified emails
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The 25 largest enterprise communication solutions consultants based in Germany

Ranked by team size
Top 25 of 165 enterprise communication solutions consultants based in Germany, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise communication solutions consultants: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceHannover, GermanyHQ checked Sep 28, 20261,001-5,000212 contacts →

Strong 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 28, 2026
2Strong evidenceDüsseldorf, GermanyHQ checked Sep 28, 2026201-500153 contacts →

Strong 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 28, 2026
3Indirect evidenceSindelfingen, GermanyHQ checked Sep 28, 202651-20096 contacts →

Indirect evidence

“innovaphone has been playing a decisive role in driving the development of IP telephony and digital transformation for more than 25 years now and is a leading European provider of…”

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceBochum, GermanyHQ checked Sep 28, 20261,001-5,00075 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceMuenzenberg, GermanyHQ checked Sep 28, 202651-20050 contacts →

Indirect evidence

“Die nächste wichtige IT-Entscheidung steht an?”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceMunich Germany, GermanyHQ checked Sep 28, 202611-5043 contacts →

Indirect evidence

“Cloud Orbit Technologies offers IT Consulting & Services.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceReinbek, GermanyHQ checked Sep 28, 202651-20027 contacts →

Indirect evidence

“Agiles Arbeiten.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceBerlin, GermanyHQ checked Sep 28, 202611-5026 contacts →

Indirect evidence

“Seit 1998 finden wir individuelle Business-Lösungen für schnelle, sichere und zuverlässige IT und Telekommunikation.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceHamburg, GermanyHQ checked Sep 28, 202651-20026 contacts →

Indirect evidence

“SYNO steht für Synergien.”

Source: RevenueBase Database · checked Sep 28, 2026
10Strong evidenceDüsseldorf, GermanyHQ checked Sep 28, 202611-5023 contacts →

Strong evidence

“We offer customized communication solutions that connect all business-critical processes with all major communications media.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceFrankfurt Am Main, GermanyHQ checked Sep 28, 202651-20023 contacts →

Indirect evidence

“Unternehmen Wer wir sind Die ESP.GROUP Unternehmensgruppe mit Hauptsitz in Neu-Isenburg bei Frankfurt ist ein bundes- und europaweit tätiges Beratungsunternehmen für…”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceStolberg (rhld.), GermanyHQ checked Sep 28, 202611-5022 contacts →

Indirect evidence

“Herzlich Willkommen bei CASERIS!”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceBörwang, GermanyHQ checked Sep 28, 202651-20021 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceDüsseldorf, GermanyHQ checked Sep 28, 202611-5020 contacts →

Indirect evidence

“Wir beraten.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceBerlin, GermanyHQ checked Sep 28, 202611-5017 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceMunich, GermanyHQ checked Sep 28, 202611-5017 contacts →

Partial evidence

“Vistafon is a consulting firm and solution provider for videoconferencing, collaboration tools and digital transformation headquartered in Munich.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceRatingen, GermanyHQ checked Sep 28, 202611-5017 contacts →

Indirect evidence

“Die bluvo AG ist ein Inhaber-geführtes IT Systemhaus aus Ratingen (NRW).”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceSchwaig Bei Nürnberg, GermanyHQ checked Sep 28, 202611-5015 contacts →

Indirect evidence

“COEO Systemhaus GmbH is an information technology and services company based out of Schwaig, Bavaria, Germany.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidencePforzheim, GermanyHQ checked Sep 28, 202611-5015 contacts →

Indirect evidence

“Wir sind ein IT-Systemhaus, das sich auf maßgeschneiderte IT-Lösungen für Unternehmen aller Größen spezialisiert hat.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceMünster, GermanyHQ checked Sep 28, 202611-5013 contacts →

Indirect evidence

“o-byte.com ist ein mittelständisches ITK-Systemhaus aus der Fahrradstadt Münster mit Standorten in Köln und Lüdenscheid.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceBalingen, GermanyHQ checked Sep 28, 202611-5012 contacts →

Indirect evidence

“Systemspezialisten für IT- und Telekommunikation mit Fokus auf tiefe Integrationen individueller Geschäftsprozesse und Lösungen.”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceReutlingen, GermanyHQ checked Sep 28, 202611-5012 contacts →

Indirect evidence

“Wir sind Ihr Partner für Komplettlösungen im Bereich Bürokommunikation und Informationstechnologie!”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceMünster, GermanyHQ checked Sep 28, 202611-5012 contacts →

Indirect evidence

“Wir beraten Sie in Ihren Integrations- und E-Commerce-Projekten und entwickeln die für Sie passende Lösung.”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceLudwigshafen Am Rhein, GermanyHQ checked Sep 28, 202611-5012 contacts →

Indirect evidence

“Telekommunikationslösungen - IT-Dienstleistungen - Hard- und Software - Beratung und Verkauf Wir bieten eine langjährige Erfahrung in den folgenden Bereichen an: IT - Systeme…”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceDarmstadt, GermanyHQ checked Sep 28, 202611-5011 contacts →

Indirect evidence

“Adiccon advises companies in a wide range of industries on the use of modern IT and telecommunications technologies.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 165 enterprise communication solutions consultants based in Germany

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Enterprise communication solutions consultants based in Germany at a glance

As of Sep 28, 2026
43.6%Verified-email coverage
9.6Average contacts per company
11-50Median size (employees)
9.1%Largest-city concentration · Berlin
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
81
11-50
64
51-200
14
201-500
3
501-1,000
1
1,001-5,000
2

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 165 companies.

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 communication solutions consultants, 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 communication solutions consultants”. 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 communication solutions consultants), 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 communication solutions consultants, 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, 694 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 28, 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.

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 communication solutions consultants, 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 communication solutions consultants are there based in Germany?

RevenueBase identified 165 enterprise communication solutions consultants 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?

Spie ICS Spie Information & Communication Services Gmbh, headquartered in Hannover, tops this list with the largest team on record.

Which city has the most enterprise communication solutions consultants?

Berlin leads with 15 headquartered companies, followed by Hamburg (5) and Munchen (5).

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 694 verified decision-maker contacts tracked across these 165 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 28, 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.