Company lists · Data refreshed September 2026

Top 25 Solar compliance software companies based in Germany

RevenueBase identified 164 solar compliance software companies headquartered in Germany as of September 2026 and tracks 1,453 professional contacts across them, including 491 with verified work emails. Berlin is the largest hub.

This list covers solar compliance software 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 29, 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 29, 2026 86% judged on-target in blind review
164Companies
1,453Contacts tracked
491Verified emails
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The 25 largest solar compliance software companies based in Germany

Ranked by team size
Top 25 of 164 solar compliance software companies based in Germany, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to solar compliance software 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceBerlin, GermanyHQ checked Sep 29, 202651-200113 contacts →

Indirect evidence

“Reonic enables renewable energy installers to sell, design and install systems better and faster than ever before.”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceHeidelberg, GermanyHQ checked Sep 29, 202651-20090 contacts →

Indirect evidence

“klarsolar is a Germany based company which has its focus in renewable energy, photovoltaic sytems in particular.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceBerlin, GermanyHQ checked Sep 29, 202651-20084 contacts →

Partial evidence

“Kiwa PI Berlin | Independent Experts in Photovoltaics At Kiwa PI Berlin, we specialize in providing independent, customer-focused support for solar energy projects-from the…”

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceBaesweiler, GermanyHQ checked Sep 29, 202651-20066 contacts →

Partial evidence

“Innovative solar solutions for the sustainable future of your company.”

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidenceBerlin, GermanyHQ checked Sep 29, 2026201-50049 contacts →

Partial evidence

“EIGENSONNE is the most convenient way to start producing your own solar energy.”

Source: RevenueBase Database · checked Sep 29, 2026
6Partial evidenceNuremberg, GermanyHQ checked Sep 29, 202651-20030 contacts →

Partial evidence

“IngSoft is a pioneer in software-engineering for effective and long-term energy management in accordance with ISO With its intelligent software solution IngSoft InterWatt, the…”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceRavensburg, GermanyHQ checked Sep 29, 202651-20029 contacts →

Indirect evidence

“Seit 2009 entwickeln wir nachhaltige Energielösungen mit dem Anspruch, Innovation, Wirtschaftlichkeit und Zukunftsfähigkeit miteinander zu verbinden.”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceOttersberg, GermanyHQ checked Sep 29, 202611-5028 contacts →

Indirect evidence

“Wir befreien Unternehmen von hohen Energiekosten.”

Source: RevenueBase Database · checked Sep 29, 2026
9Partial evidenceWaltershausen, GermanyHQ checked Sep 29, 202651-20027 contacts →

Partial evidence

“maxx-solar & energie, your specialist for photovoltaic plants in Central Germany Since foundation of maxx-solar in 2008, we have become specialist in solar energy production for…”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceHanover, GermanyHQ checked Sep 29, 202611-5024 contacts →

Indirect evidence

“Wir stehen für die Energiewende in Mehrfamilienhäusern.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceLeun, GermanyHQ checked Sep 29, 202611-5024 contacts →

Indirect evidence

“ACHE Engineering GmbH is a renewables company based out of Germany.”

Source: RevenueBase Database · checked Sep 29, 2026
12Partial evidenceMannheim, GermanyHQ checked Sep 29, 202611-5023 contacts →

Partial evidence

“Die einzige Software, die Du brauchst, um Dein Solarunternehmen zum Strahlen zu bringen.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceSpeyer, GermanyHQ checked Sep 29, 202651-20022 contacts →

Indirect evidence

“Strom ist die Energieform der Zukunft - Ihre Photovoltaikanlage von soNachhaltig wird sie begeistern!”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceDortmund, GermanyHQ checked Sep 29, 202651-20017 contacts →

Partial evidence

“Der Solarteur bringt Solar auf Ihr Dach!”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceBerlin, GermanyHQ checked Sep 29, 202611-5017 contacts →

Indirect evidence

“SOLARIMO unterstützt Sie dabei, einen sichtbaren und effizienten Beitrag zum Klimaschutz zu leisten!”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceStuttgart, GermanyHQ checked Sep 29, 202611-5014 contacts →

Indirect evidence

“OPTENDA steht für OPTimize ENergy by DAta.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceNeulußheim, GermanyHQ checked Sep 29, 202611-5013 contacts →

Indirect evidence

“Wenn es um Photovoltaik geht, sind wir für Sie der passende Ansprechpartner.”

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidence10243 Berlin, GermanyHQ checked Sep 29, 202611-5012 contacts →

Partial evidence

“Valentin Software GmbH is one of the leading providers of innovative design software for sustainable energy supply.”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceMunich, GermanyHQ checked Sep 29, 202611-5012 contacts →

Indirect evidence

“Rethinking Energy – with hymate.”

Source: RevenueBase Database · checked Sep 29, 2026
20Partial evidenceBerlin, GermanyHQ checked Sep 29, 202611-5011 contacts →

Partial evidence

“Die Softwarelösung von everyone energy unterstützt Solarteure und Energiedienstleister dabei, Kunden zu überzeugen, ihren Vertrieb zu automatisieren und damit wettbewerbsfähig zu…”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceWeissach, GermanyHQ checked Sep 29, 202611-5011 contacts →

Indirect evidence

“revotec energy ist ein führender Anbieter von Solaranlagen in Baden-Württemberg installiert auf Industrie- und Gewerbeimmobilien sowie Gebäuden von Kommunen und Vereinen.”

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceBendorf, GermanyHQ checked Sep 29, 202611-5011 contacts →

Indirect evidence

“Mit Photovoltaik umweltgerecht und kostengünstig Strom produzieren Wir beraten Sie umfassend, budgetgerecht und nachhaltig zu allen Themen der Photovoltaik und grünen…”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceHildesheim, GermanyHQ checked Sep 29, 202611-509 contacts →

Indirect evidence

“Wir sind Ihr auf Photovoltaik spezialisierter Full-Service-Dienstleister.”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceMontabaur, GermanyHQ checked Sep 29, 202611-508 contacts →

Indirect evidence

“Photovoltaik mit Qualität – Nachhaltige Energie und hohe Rendite Unter unserem Leitmotiv „build green“ bieten wir seit 33 Jahren individuell geplante Photovoltaikanlagen für…”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceWeißenohe, GermanyHQ checked Sep 29, 202611-508 contacts →

Indirect evidence

“Seit 22 Jahren beraten wir unsere Kunden objektiv und mit großem fachlichen Know-how.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 164 solar compliance software companies based in Germany

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Solar compliance software companies based in Germany at a glance

As of Sep 29, 2026
33.8%Verified-email coverage
8.9Average contacts per company
1-10Median size (employees)
11.6%Largest-city concentration · Berlin
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
82
11-50
53
51-200
20
201-500
1
501-1,000
2
10001+
1

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 164 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 solar compliance software 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 “solar compliance software 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 solar compliance software 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 solar compliance software 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, 491 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 29, 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 solar compliance software 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 solar compliance software companies are there based in Germany?

RevenueBase identified 164 solar compliance software 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?

Reonic, headquartered in Augsburg, tops this list with the largest team on record.

Which city has the most solar compliance software companies?

Berlin leads with 19 headquartered companies, followed by Munich (9) and Hamburg (4).

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 491 verified decision-maker contacts tracked across these 164 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 29, 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.