Company lists · Data refreshed November 2026

Top 23 Legacy system integration developers based in Germany

RevenueBase identified 205 company matches for legacy system integration developers associated with Germany as of November 2026 and tracks 6,290 professional contacts across them, including 1,291 with verified work emails. Berlin is the largest hub.

This list covers company matches for legacy system integration developers associated with Germany, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
205Companies
6,290Contacts tracked
1,291Verified emails
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The 23 largest legacy system integration developers based in Germany

Ranked by team size
Top 23 of 205 company matches for legacy system integration developers based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDarmstadt, GermanyHQ recorded Nov 6, 2026n/a4,213 contacts →

Exact match

“Software AG has been helping enterprises run and evolve their core business applications for over 50 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDortmund, GermanyHQ recorded Nov 6, 202651-200189 contacts →

Exact match

“Driving Business Outcomes Through Technology RheinBrücke is a digital transformation partner for enterprises needing to modernise, grow, and lead.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMunich, GermanyHQ recorded Nov 6, 202651-20093 contacts →

Exact match

“Dataciders Catenate ist ein IT-Beratungsunternehmen mit Büros in München und Sofia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCologne, GermanyHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“MobiLab Solutions empowers companies and organizations to harness their full data potential anytime, anywhere.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHamburg, GermanyHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Die Silpion IT-Solutions GmbH ist ein expandierendes, ausschließlich aus Projekteinnahmen finanziertes IT-Unternehmen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchKarlsruhe, GermanyHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“Sie suchen ein Systemhaus zur Optimierung Ihrer IT-Infrastruktur Dann sind Sie bei uns genau richtig Wir sorgen für ein überschaubares und sicheres Netzwerkmanagement und helfen…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDarmstadt, GermanyHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Wir sind die Expertinnen rund um Integrationslösungen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRavensburg, GermanyHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Wir sind ein eingespieltes Team aus über 65 Transformationsexperten.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchKamp-lintfort, GermanyHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“Coduct Solutions GmbH is an innovative technology consulting and development company specializing in custom software solutions, cloud services, and the digital transformation of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRödermark, GermanyHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“For 30 years we have been helping our clients modernize their software, create new solutions, or master new technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLangenhagen, GermanyHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Varahi is a global provider of Consulting, Information Technology (IT) and Business services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDonzdorf, GermanyHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Digitalization is both an opportunity and a challenge.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHamburg, GermanyHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“actum is a specialised IT consulting and software solutions provider based in Hamburg.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBremen, GermanyHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“Vanilla Reply hilft Unternehmen, ihre digitalen Systeme so zu verbinden, dass aus technischem Chaos klare Prozesse, effiziente Abläufe und messbarer Geschäftserfolg entstehen…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchGrasbrunn, GermanyHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“We help industry-focused businesses modernize outdated systems and implement advanced technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchButzbach, GermanyHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“We, MAXXYS AG, are an independent IT-Software System Integrator and support IT departments in planning, construction, setup, and maintenance of IT systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMünster, GermanyHQ recorded Nov 6, 202651-20020 contacts →

Exact match

“Ihr Entwicklungs-Team ist am Limit oder es fehlt Know-How?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWuppertal, GermanyHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Die DEVWARE GmbH begleitet seit 2004 mittelständische Unternehmen auf dem Weg in die digitale Zukunft.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchIlmenau, GermanyHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Enterprise Architecture, Enterprise Integration Architecture and Identity Governance and Administration are our core competencies, which are closely related.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchDortmund, GermanyHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Tradition und Innovation in einer starken Partnerschaft Wir von Graef Computer sorgen für Ergebnisse, die Ihr Unternehmen wirklich weiterbringen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHamburg, GermanyHQ recorded Nov 6, 2026201-50016 contacts →

Exact match

“Als europaweit aufgestellte Technologieberatung, Plattformintegrator und Software-Hersteller digitalisiert IKOR mit Hauptsitz in Hamburg die Geschäftsmodelle von Versicherern…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchFlensburg, GermanyHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Seit 10 Jahren begleiten wir Unternehmen mit der Entwicklung von modernen Software, Cloud-Infrastruktur- und Data-Management-Lösungen zuverlässig durch komplexe…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchEttlingen, GermanyHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“We develop software solutions and push the boundaries of individual systems to their limits to make them work together efficiently in a business process.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 23 of 205 legacy system integration developers based in Germany

See the full list, filter by size, metro and specialty, and access 1,291 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Legacy system integration developers based in Germany at a glance

As of Nov 6, 2026
20.5%Verified-email coverage
30.7Average contacts per company
1-10Median size (employees)
9.3%Largest-city concentration · Berlin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
106
11-50
72
51-200
19
201-500
2
501-1,000
1
10001+
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 205 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Germany whose business descriptions match “legacy system integration developers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,291 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “legacy system integration developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many legacy system integration developers are there based in Germany?

RevenueBase identified 205 company matches for legacy system integration developers associated with Germany as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Software AG tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most legacy system integration developers?

Berlin leads with 19 company records, followed by Hamburg (14) and Munich (11).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,291 professional contacts with verified work emails tracked across these 205 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.