Company lists · Data refreshed September 2026
Top 25 Energy engineering consulting firms based in Stuttgart, Germany
RevenueBase identified 65 energy engineering consulting firms headquartered in Stuttgart, Germany as of September 2026 and tracks 2,846 professional contacts across them, including 929 with verified work emails. Across Germany, Berlin is the largest hub for this category (238 companies); Stuttgart has 65.
This list covers energy engineering consulting firms 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 24, 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 energy engineering consulting firms based in Stuttgart, Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,279 contacts → | ||||
Strong evidence “As a leading, independent engineering and consultancy enterprise active in the sectors of energy and infrastructure, Fichtner handles challenging projects in countries all over…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 2 | 225 contacts → | ||||
Strong 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 24, 2026Thanks. The Data Team will review it. | |||||
| 3 | 88 contacts → | ||||
Indirect evidence “Seit Jahrzehnten steht RBS wave für zuverlässiges und innovatives Know-how im Bereich Ingenieurdienstleistungen.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 4 | 79 contacts → | ||||
Indirect evidence “Herausforderungen von Heute als Chancen für Morgen nutzen.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 5 | 64 contacts → | ||||
Indirect evidence “High Comfort – Low Impact Transsolar KlimaEngineering ist ein international tätiges Ingenieurbüro.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 6 | 45 contacts → | ||||
Partial evidence “Wir entwickeln energieeffiziente Gebäude und klimaneutrale Quartiere für die Zukunft.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 7 | 27 contacts → | ||||
Partial evidence “Energy-efficient building renovations are complex.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 8 | 25 contacts → | ||||
Partial evidence “Seit 1982 bieten wir als unabhängiges Ingenieurunternehmen innovative Lösungen in Energiemanagement, Energietechnik & Umwelttechnik, Elektrotechnik & Leittechnik sowie Technischer…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 9 | 21 contacts → | ||||
Partial evidence “We love energy.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 10 | 16 contacts → | ||||
Indirect evidence “Was 1985 mit der Gründung eines Handwerkbetriebs für Elektrotechnik begann, entwickelte sich schnell zu einem stetig wachsenden Unternehmen, das technischen Fortschritt…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 11 | 14 contacts → | ||||
Indirect evidence “Easy to reach, we share our extensive knowledge and never owe an answer.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 12 | 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 24, 2026Thanks. The Data Team will review it. | |||||
| 13 | 13 contacts → | ||||
Indirect evidence “SCON – unseren Lösungen und Kompetenzen vertrauen Auftraggeber schon seit vielen Jahren.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 24, 2026Thanks. The Data Team will review it. | |||||
| 15 | 9 contacts → | ||||
Indirect evidence “Bereits seit den frühen 1980er Jahren bieten wir Ihnen Erfahrung, fundiertes Know-how, aber auch das notwendige Augenmaß bei der Planung und Bauabwicklung von komplexen…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 16 | 8 contacts → | ||||
Indirect evidence “BKSi GmbH Wir sind eine führende Ingenieurgesellschaft für Beratung und Planung im Bauwesen.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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 24, 2026Thanks. The Data Team will review it. | |||||
| 18 | 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 24, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 contacts → | ||||
Partial evidence “Die PUT Energie- und Anlagentechnik GmbH ist eine moderne, unabhängige Planungsgesellschaft, die Projekte von der Konzeption bis zur Inbetriebnahme von Anlagen ingenieurtechnisch…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5 contacts → | ||||
Indirect evidence “ProjektPlan PartG mbB - Beratende Ingenieure im Bauwesen Wir unterstützen Bauherren, Planer und Projektbeteiligte mit fundierten ingenieurtechnischen Leistungen rund ums Bauen.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 21 | 4 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 22 | 4 contacts → | ||||
Partial evidence “Ihre Individuelle Energieberatung und Partner bei der Umsetzung energetischer Maßnahmen an Ihrer Immobilie.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Partial evidence “Architektur · Energieberatung · Stadtplanung” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Strong evidence “EGSplan international is an innovative engineering firm with more than 25 years of experience in energy-efficient and sustainable design.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 24, 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: energy engineering consulting firms. 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 energy engineering consulting firms.
- Partial evidence
- Its own public description names part of energy engineering consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name energy engineering consulting firms. 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 65 energy engineering consulting firms based in Stuttgart, Germany
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Energy engineering consulting firms based in Stuttgart, Germany at a glance
As of Sep 24, 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 65 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 energy engineering consulting firms, 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 “energy engineering consulting firms”. 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 energy engineering consulting firms), 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 energy engineering consulting firms, 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, 929 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 24, 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.
Energy engineering consulting firms by metro in Germany
- Energy engineering consulting firms in Berlin238
- Energy engineering consulting firms in Hamburg163
- Energy engineering consulting firms in Hannover47
- Energy engineering consulting firms in Dresden45
- Energy engineering consulting firms in Leipzig43
- Energy engineering consulting firms in Munich43
- Energy engineering consulting firms in Essen38
- Energy engineering consulting firms in Frankfurt Am Main36
- Energy engineering consulting firms in Bremen33
- Energy engineering consulting firms in Aachen32
- Energy engineering consulting firms in Karlsruhe29
- Energy engineering consulting firms in Augsburg25
- Energy engineering consulting firms in Dortmund25
- Energy engineering consulting firms in Frankfurt25
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 energy engineering consulting firms, 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 energy engineering consulting firms are there based in Stuttgart, Germany?
RevenueBase identified 65 energy engineering consulting firms 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?
Fichtner, headquartered in Stuttgart, tops this list with the largest team on record.
Which city in Germany has the most energy engineering consulting firms?
Berlin leads Germany with 238 headquartered companies, followed by Hamburg (163) and Munchen (100). Stuttgart has 65.
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 929 verified decision-maker contacts tracked across these 65 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 24, 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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