Company lists · Data refreshed October 2026

Top 25 Energy efficient building architects based in Germany

Name: Energy efficient building architects based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 2,229 companies tracked

RevenueBase identified 2,229 company matches for energy efficient building architects associated with Germany as of October 2026 and tracks 13,065 professional contacts across them, including 4,093 with verified work emails. Berlin is the largest hub.

This list covers company matches for energy efficient building architects 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 October 12, 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 Oct 12, 2026 How this list was built

2,229Companies

13,065Contacts tracked

4,093Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest energy efficient building architects based in Germany

Ranked by team size

Top 25 of 2,229 company matches for energy efficient building architects based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	Zetcon Ingenieure Gmbh	Exact match	Bochum, GermanyHQ recorded Oct 12, 2026	501-1,000	296 contacts →
	Exact match “Von Planung bis Bauüberwachung in großen Infrastruktur-Projekten, von Architektur bis Erneuerbare Energien-ZETCON Ingenieure sind ganz vorne mit dabei in den Bereichen Energie…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Bollinger Grohmann	Exact match	Frankfurt, GermanyHQ recorded Oct 12, 2026	201-500	226 contacts →
	Exact match “Frankfurt - Berlin - Munich - Stuttgart - Düsseldorf - Hamburg - Emmendingen/Lahr - Cologne - Vienna - Paris - Copenhagen - Oslo - Melbourne - Rome - Brussels - Budapest -…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Schlaich Bergermann Partner SBP	Exact match	Stuttgart, GermanyHQ recorded Oct 12, 2026	201-500	225 contacts →
	Exact match “Structural Consulting Engineers Consulting Engineers for Renewable Energy and Solar Power Technology Checking Engineers for Stability und Structural Engineering Our focus lies on…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	AGN Niederberghaus & Partner Gmbh	Exact match	Ibbenbüren, GermanyHQ recorded Oct 12, 2026	501-1,000	189 contacts →
	Exact match “Mehrwert durch Generalplanung Über 850 innovativ und nachhaltig denkende Architekt:innen und Ingenieur:innen bilden die agn-Gruppe.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	ZWP Ingenieur-Ag	Exact match	Cologne, GermanyHQ recorded Oct 12, 2026	201-500	177 contacts →
	Exact match “We have a passion for innovative and sustainable concepts.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Planungsgruppe M M AG	Exact match	Böblingen, GermanyHQ recorded Oct 12, 2026	201-500	163 contacts →
	Exact match “Seit über 50 Jahren erfolgreich in der Planung von Technischer Gebäudeausrüstung und mittlerweile Deutschlands größter Komplettanbieter.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Blocher Partners	Exact match	Stuttgart, GermanyHQ recorded Oct 12, 2026	201-500	138 contacts →
	Exact match “For blocher partners – founded in 1989 by Jutta and Dieter Blocher – design means networking and creating holistic experience concepts in the spirit of sustainability.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Iproconsult Gmbh	Exact match	Dresden, GermanyHQ recorded Oct 12, 2026	201-500	129 contacts →
	Exact match “Als Generalplanungsunternehmen entwickeln, gestalten und sichern wir zukunftsweisende Gebäude, Energieanlagen, Infrastrukturen und Landschaften.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Kadawittfeldarchitektur	Exact match	Aachen, GermanyHQ recorded Oct 12, 2026	51-200	112 contacts →
	Exact match “kadawittfeldarchitektur is involved in architecture, interior design, town planning and urban projects.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	A SH Sander.Hofrichter Architekten	Exact match	Ludwigshafen, GermanyHQ recorded Oct 12, 2026	201-500	100 contacts →
	Exact match “Heilen, Lernen, Forschen - dafür bauen wir.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Vollack Gruppe	Exact match	Karlsruhe, GermanyHQ recorded Oct 12, 2026	201-500	94 contacts →
	Exact match “Gebäude.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Strenger	Exact match	Ludwigsburg, GermanyHQ recorded Oct 12, 2026	51-200	89 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Auer Weber	Exact match	Stuttgart, GermanyHQ recorded Oct 12, 2026	51-200	87 contacts →
	Exact match “The architectural office Auer Weber Assoziierte GmbH originates from the Auer + Weber architectural group which was founded in 1980.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Iproplan Planungsgesellschaft MBH	Exact match	Chemnitz, GermanyHQ recorded Oct 12, 2026	201-500	83 contacts →
	Exact match “Designing the world around us means to take responsibility: as engineers and architects we implement a variety of challenging construction projects- On the domestic market and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Baurconsult Architekten Ingenieure	Exact match	Haßfurt, GermanyHQ recorded Oct 12, 2026	201-500	74 contacts →
	Exact match “BAURCONSULT als inhabergeführtes Architektur- und Ingenieurbüro setzt seit mehr als 60 Jahren einen klaren Fokus auf Nachhaltigkeit und vereint zu diesem Zweck Spezialisten aus…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Csmm-Architecture Matters	Exact match	Munich, GermanyHQ recorded Oct 12, 2026	51-200	74 contacts →
	Exact match “CSMM entwickelt als Planungs- und Beratungspartner für Büroarchitektur und Arbeitsweltkonzeption zukunftsweisende Konzepte für Gebäude und Innenräume.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	H4a Architekten	Exact match	Stuttgart, GermanyHQ recorded Oct 12, 2026	51-200	74 contacts →
	Exact match “1998 in Stuttgart gegründet, ist h4a heute mit rund 160 Mitarbeitern an drei Standorten in Stuttgart, München und Düsseldorf vertreten.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Transsolar Klimaengineering	Exact match	Stuttgart, GermanyHQ recorded Oct 12, 2026	51-200	69 contacts →
	Exact match “High Comfort – Low Impact Transsolar KlimaEngineering ist ein international tätiges Ingenieurbüro.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Schneider Schumacher	Exact match	Frankfurt, GermanyHQ recorded Oct 12, 2026	51-200	67 contacts →
	Exact match “We see sustainability as something lasting and beautiful.” Simplicity and perfection, discipline and creativity, economy and memorable images; for schneider+schumacher these are…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	SSP AG	Exact match	Bochum, GermanyHQ recorded Oct 12, 2026	201-500	65 contacts →
	Exact match “Wandelbarkeit, Energieeffizienz und attraktive Mehrwerträume für Gebäude" Die SSP AG ist eines der national führenden integralen Planungsbüros mit derzeit rund 270…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	ASP Architekten Gmbh	Exact match	Stuttgart, GermanyHQ recorded Oct 12, 2026	51-200	62 contacts →
	Exact match “Wir gestalten Architektur für Menschen und Morgen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Planquadrat Elfers Geskes Krämer Gmbh	Exact match	Darmstadt, GermanyHQ recorded Oct 12, 2026	51-200	61 contacts →
	Exact match “planquadrat Elfers Geskes Krämer gestaltet seit 30 Jahren Architektur und Städtebau im In- und Ausland und betreut ein breites Spektrum unterschiedlicher Planungs- und Bauaufgaben.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Alpha IC Gmbh	Exact match	Bamberg, GermanyHQ recorded Oct 12, 2026	51-200	60 contacts →
	Exact match “Die Alpha IC ist ein inhabergeführtes Consultingbüro für das Real Estate Management.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Fact Gmbh Efacilities Solutions	Exact match	Boblingen, GermanyHQ recorded Oct 12, 2026	51-200	57 contacts →
	Exact match “FACT.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Buro Happold	Exact match	Berlin, GermanyHQ recorded Oct 12, 2026	1,001-5,000	56 contacts →
	Exact match “Planen und Bauen ist Teamarbeit von Architekten und Ingenieuren.” Recorded in the RevenueBase company graph · Oct 12, 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 “energy efficient building architects”. 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 2,229 energy efficient building architects based in Germany

See the full list, filter by size, metro and specialty, and access 4,093 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Energy efficient building architects based in Germany at a glance

As of Oct 12, 2026

31.3%Verified-email coverage

5.9Average contacts per company

1-10Median size (employees)

7.3%Largest-city concentration · Berlin

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

1,356

11-50

646

51-200

126

201-500

501-1,000

1,001-5,000

5,001-10,000

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 2,229 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 “energy efficient building architects” 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 4,093 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 October 12, 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.

Energy efficient building architects 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 “energy efficient building architects”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficient building architects are there based in Germany?

RevenueBase identified 2,229 company matches for energy efficient building architects associated with Germany as of October 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?

Zetcon Ingenieure Gmbh tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most energy efficient building architects?

Berlin leads with 162 company records, followed by Munich (128) and Hamburg (105).

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 4,093 professional contacts with verified work emails tracked across these 2,229 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 October 12, 2026.

Ready to reach these companies? Verified emails and direct dials for all 2,229 energy efficient building architects based in Germany. Start with a free account, no credit card.

Download this list →

Related lists

Energy efficient building architects by geography

Browse the directory

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.