Company lists · Data refreshed September 2026

Top 25 Renewable energy IT service providers based in Germany

Name: Renewable energy IT service providers based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 3,257 companies tracked

RevenueBase identified 3,257 company matches for renewable energy IT service providers associated with Germany as of September 2026 and tracks 71,787 professional contacts across them, including 23,516 with verified work emails. Berlin is the largest hub.

This list covers company matches for renewable energy IT service providers 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 September 17, 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 Sep 17, 2026 How this list was built

3,257Companies

71,787Contacts tracked

23,516Verified emails

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The 25 largest renewable energy IT service providers based in Germany

Ranked by team size

Top 25 of 3,257 company matches for renewable energy IT service providers based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	NTT Data Business Solutions	Exact match	Bielefeld, GermanyHQ recorded Sep 17, 2026	10001+	10,733 contacts →
	Exact match “We understand the business of our clients and know what it takes to transform it into the future.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Arvato Systems	Exact match	Gütersloh, GermanyHQ recorded Sep 17, 2026	1,001-5,000	2,537 contacts →
	Exact match “We are Arvato Systems - and we live digitalization.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Fichtner	Exact match	Stuttgart, GermanyHQ recorded Sep 17, 2026	1,001-5,000	1,279 contacts →
	Exact match “As a leading, independent engineering and consultancy enterprise active in the sectors of energy and infrastructure, Fichtner handles challenging projects in countries all over…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Materna	Exact match	Dortmund, GermanyHQ recorded Sep 17, 2026	1,001-5,000	1,196 contacts →
	Exact match “Als international erfolgreicher IT-Dienstleister beraten und begleiten wir Unternehmen und Behörden in allen Belangen der Digitalisierung.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	E.On Deutschland	Exact match	Munich, GermanyHQ recorded Sep 17, 2026	5,001-10,000	1,026 contacts →
	Exact match “Die E.ON Energie Deutschland GmbH ist ein bundesweit führendes Energieunternehmen und Dachgesellschaft des E.ON Vertriebs in Deutschland.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	ALL For ONE	Exact match	Filderstadt-bernhausen, GermanyHQ recorded Sep 17, 2026	1,001-5,000	949 contacts →
	Exact match “TURNING TECHNOLOGY INTO BUSINESS SUCCESS Die All for One Group ist ein führender internationaler IT, Consulting- und Service-Provider rund um SAP – und darüber hinaus.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	1komma5	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	1,001-5,000	897 contacts →
	Exact match “1KOMMA5° wurde gegründet um Millionen Gebäude in Europa klimaneutral immer mit dem günstigsten Strom zu versorgen - ganz ohne fossile Energie.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Fraunhofer-Institut FÜR Solare Energiesysteme ISE	Exact match	Freiburg, GermanyHQ recorded Sep 17, 2026	1,001-5,000	894 contacts →
	Exact match “The Fraunhofer Institute for Solar Energy Systems ISE in Freiburg, Germany is the largest solar research institute in Europe.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	BTC	Exact match	Oldenburg, GermanyHQ recorded Sep 17, 2026	1,001-5,000	833 contacts →
	Exact match “We are more than the sum of many IT experts, consultants, software developers and system administrators.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	ABO Energy	Exact match	Wiesbaden, GermanyHQ recorded Sep 17, 2026	1,001-5,000	785 contacts →
	Exact match “Founded in 1996, ABO Energy (fomerly known as ABO Wind) is among Europe’s leading developers of renewable energy projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Juwi Group	Exact match	Wörrstadt, GermanyHQ recorded Sep 17, 2026	1,001-5,000	785 contacts →
	Exact match “For 30 years, we have been one of the leading specialists in renewable energies, offering complete project development and other services related to the planning, construction…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	IB Vogt Gmbh	Exact match	Berlin, GermanyHQ recorded Sep 17, 2026	501-1,000	784 contacts →
	Exact match “ib vogt is firmly committed to supporting the decarbonisation of the global electricity sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Mainova AG	Exact match	Frankfurt, GermanyHQ recorded Sep 17, 2026	1,001-5,000	750 contacts →
	Exact match “Wir sind der führende Energiedienstleister in Frankfurt am Main und versorgen über eine Million Menschen mit Strom, Gas, Wärme und Wasser.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Metafinanz	Exact match	Munich, GermanyHQ recorded Sep 17, 2026	501-1,000	673 contacts →
	Exact match “For over 35 years, metafinanz Informationssysteme GmbH, a business and IT consulting company, has been at the side of its customers in an increasingly digital and dynamic world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Cloudflight	Exact match	Munich, GermanyHQ recorded Sep 17, 2026	501-1,000	608 contacts →
	Exact match “Cloudflight is one of the leading full-service providers in the field of industrial digital transformation.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Q Energy	Exact match	Berlin, GermanyHQ recorded Sep 17, 2026	201-500	565 contacts →
	Exact match “Q ENERGY is Europe’s 360° green energy company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Würth IT Gmbh	Exact match	Niedernhall, GermanyHQ recorded Sep 17, 2026	1,001-5,000	526 contacts →
	Exact match “Our passion We are an internationally active, medium-sized family business and a member of the Würth Group.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Digitall	Exact match	Frankfurt, GermanyHQ recorded Sep 17, 2026	1,001-5,000	522 contacts →
	Exact match “We are DIGITALL - a European provider of digital solutions and services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Knauf IT	Exact match	Kitzingen, GermanyHQ recorded Sep 17, 2026	501-1,000	502 contacts →
	Exact match “Knauf Information Services is the service partner behind the global growth and digital transformation of the family-owned Knauf Group, one of the world's leading manufacturers of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Enertrag	Exact match	Dauerthal, GermanyHQ recorded Sep 17, 2026	1,001-5,000	492 contacts →
	Exact match “ENERTRAG provides a full range of services related to renewable energies.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	GP Joule	Exact match	Reußenköge, GermanyHQ recorded Sep 17, 2026	501-1,000	480 contacts →
	Exact match “GP JOULE is an integrated energy supplier that covers the entire energy value chain, from generation to use – and from consulting and financing through to project planning…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Lichtblick SE	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	501-1,000	449 contacts →
	Exact match “Here at LichtBlick, we create an excellent climate – with green energy for at home and on the move.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	VSB Group	Exact match	Dresden, GermanyHQ recorded Sep 17, 2026	201-500	446 contacts →
	Exact match “The VSB Group is headquartered in Dresden and is one of the leading full-service providers in the field of renewable energy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Manage NOW	Exact match	Munich, GermanyHQ recorded Sep 17, 2026	1,001-5,000	423 contacts →
	Exact match “In today’s fast-moving business environment, companies often grow faster than their IT.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Baywa R.E. Global	Exact match	Munich, GermanyHQ recorded Sep 17, 2026	1,001-5,000	415 contacts →
	Exact match “At BayWa r.e.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “renewable energy IT service providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 3,257 renewable energy IT service providers based in Germany

See the full list, filter by size, metro and specialty, and access 23,516 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Renewable energy IT service providers based in Germany at a glance

As of Sep 17, 2026

32.8%Verified-email coverage

22.0Average contacts per company

11-50Median size (employees)

6.5%Largest-city concentration · Berlin

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

1,542

11-50

1,070

51-200

392

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 3,257 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 “renewable energy IT service providers” 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 23,516 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 September 17, 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.

Renewable energy IT service providers by metro

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 “renewable energy IT service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy IT service providers are there based in Germany?

RevenueBase identified 3,257 company matches for renewable energy IT service providers associated with Germany as of September 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?

NTT Data Business Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most renewable energy IT service providers?

Berlin leads with 212 company records, followed by Hamburg (148) and Munich (118).

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 23,516 professional contacts with verified work emails tracked across these 3,257 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 September 17, 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.