Company lists · Data refreshed September 2026
Top 25 Carbon neutral contractors based in Stuttgart, Germany
RevenueBase identified 74 carbon neutral contractors headquartered in Stuttgart, Germany as of September 2026 and tracks 4,546 professional contacts across them, including 2,482 with verified work emails. Berlin is the largest hub.
This list covers carbon neutral contractors headquartered in Stuttgart, 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 16, 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.
The 25 largest carbon neutral contractors based in Stuttgart, Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,475 contacts → | ||||
Indirect evidence “Uniting opposites to create a world we want to live in Drees & Sommer is a partner-managed, global consulting company providing a single source of consultation and implementation…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 225 contacts → | ||||
Indirect evidence “Structural Consulting Engineers Consulting Engineers for Renewable Energy and Solar Power Technology Checking Engineers for Stability und Structural Engineering Our focus lies on…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 119 contacts → | ||||
Indirect evidence “Der Gottlob-Rommel-Gruppe, ein Unternehmen für Bauleistungen und Gebäudetechnik, ist in den letzten Jahrzehnten etwas Besonderes gelungen: die Transformation vom traditionellen…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 64 contacts → | ||||
Indirect evidence “High Comfort – Low Impact Transsolar KlimaEngineering ist ein international tätiges Ingenieurbüro.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 45 contacts → | ||||
Indirect evidence “Wir entwickeln energieeffiziente Gebäude und klimaneutrale Quartiere für die Zukunft.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 20 contacts → | ||||
Indirect evidence “Seit Bürogründung fühlen wir uns dem nachhaltigen Bauen verpflichtet und haben bereits früh richtungsweisende Impulse gesetzt.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 20 contacts → | ||||
Indirect evidence “haascookzemmrich STUDIO2050 is an architectural practice founded by Martin Haas, David Cook and Stephan Zemmrich in Stuttgart in 2012.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 16 contacts → | ||||
Indirect evidence “Die str.ucture GmbH ist ein interdisziplinäres Ingenieur- und Planungsbüro mit Sitz in Stuttgart und Schwerpunkt auf nachhaltigem Leicht- und Holzbau.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 14 contacts → | ||||
Indirect evidence “Easy to reach, we share our extensive knowledge and never owe an answer.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 13 contacts → | ||||
Indirect evidence “CMC Sustainability - Partner for Progress CMC ist Partner für Unternehmen und Kommunen, wenn es um individuelle und passgenaue Projekte rund um die Themen Nachhaltigkeit, Umwelt-…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 13 contacts → | ||||
Indirect evidence “Das Architekturbüro H S harder stumpfl schramm freie architekten BDA Part mbB plant und realisiert zukunftsorientierte, nachhaltige und nutzerorientierte Bauten.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 13 contacts → | ||||
Indirect evidence “PKi ist eine Ingenieurgesellschaft für die Entwicklung, Planung und Umsetzung nachhaltiger Gebäude mit Standorten in Stuttgart und Köln.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 12 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 12 contacts → | ||||
Indirect evidence “GREENOX - Empowering Sustainable Buildings” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 11 contacts → | ||||
Indirect evidence “We are engineers who stand for building culture and who care about the future of mankind and our environment on earth!” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 8 contacts → | ||||
Indirect evidence “Nachhaltige Architektur und Innenarchitektur.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Indirect evidence “BKSi GmbH Wir sind eine führende Ingenieurgesellschaft für Beratung und Planung im Bauwesen.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 7 contacts → | ||||
Indirect evidence “Weiske und Partner GmbH - Beratende Ingenieure VBI Mit unseren hochqualifizierten Mitarbeiter*innen und unserer langjährigen Erfahrung entwickeln wir innovative, nachhaltige und…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 contacts → | ||||
Indirect evidence “Als ganzheitlich denkende Ingenieure sind wir bestrebt, für jedes Gebäude ein optimales Tragwerk zu entwerfen, dass den projektspezifischen und gestalterischen Anforderungen…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 contacts → | ||||
Indirect evidence “Pakula & Fischer wurde 2016 von Jakub Pakula und Eduard Fischer gegründet.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 4 contacts → | ||||
Indirect evidence “Wir sind ein erfahrenes und erfolgreiches Team aus Architekten und Ingenieuren mit Sitz in Stuttgart.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 4 contacts → | ||||
Indirect evidence “Schwerpunkte Die individuelle und maßgeschneiderte Lösung eines Bauprojektes ist die Leitidee der Architekturauffassung von Tennigkeit + Fehrle.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Indirect evidence “Architektur · Energieberatung · Stadtplanung” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Indirect evidence “architekturagentur is a mechanical or industrial engineering company based out of 131 Breitscheidstr, Stuttgart, Germany.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
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: carbon neutral contractors. 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 carbon neutral contractors.
- Partial evidence
- Its own public description names part of carbon neutral contractors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name carbon neutral contractors. 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 74 carbon neutral contractors based in Stuttgart, Germany
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Carbon neutral contractors based in Stuttgart, Germany at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured across the whole Germany list rather than for Stuttgart, so it is reported there. Company counts and contact totals on this page are exact for Stuttgart, over 74 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 carbon neutral contractors, 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 Stuttgart, Germany whose own description of what they do matches “carbon neutral contractors”. 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 carbon neutral contractors), 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 carbon neutral contractors, and records with no verified work email. Companies headquartered outside Stuttgart 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, 2,482 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 16, 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.
Carbon neutral contractors by metro in Germany
- Carbon neutral contractors in Berlin193
- Carbon neutral contractors in Hamburg109
- Carbon neutral contractors in Munchen86
- Carbon neutral contractors in Stuttgart74
- Carbon neutral contractors in Dusseldorf47
- Carbon neutral contractors in Koln47
- Carbon neutral contractors in Munich45
- Carbon neutral contractors in Dresden34
- Carbon neutral contractors in Hannover34
- Carbon neutral contractors in Frankfurt Am Main33
- Carbon neutral contractors in Essen26
- Carbon neutral contractors in Aachen25
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 carbon neutral contractors, 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 carbon neutral contractors are there based in Stuttgart, Germany?
RevenueBase identified 74 carbon neutral contractors headquartered in Stuttgart, 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?
Drees & Sommer, headquartered in Stuttgart, tops this list with the largest team on record.
Which city has the most carbon neutral contractors?
Berlin leads with 193 headquartered companies, followed by Hamburg (109) and Munchen (86).
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 2,482 verified decision-maker contacts tracked across these 74 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 16, 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.
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