Company lists · Data refreshed November 2026

Top 25 Sustainability consultants for buildings based in Germany

RevenueBase identified 806 company matches for sustainability consultants for buildings associated with Germany as of November 2026 and tracks 4,712 professional contacts across them, including 1,728 with verified work emails. Berlin is the largest hub.

This list covers company matches for sustainability consultants for buildings 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 November 6, 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 Nov 6, 2026 How this list was built
806Companies
4,712Contacts tracked
1,728Verified emails
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The 25 largest sustainability consultants for buildings based in Germany

Ranked by team size
Top 25 of 806 company matches for sustainability consultants for buildings based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchFrankfurt, GermanyHQ recorded Nov 6, 2026201-500180 contacts →

Exact match

“Gebäude müssen heute mehr leisten als je zuvor: effizienter werden, Ressourcen schonen und gleichzeitig wirtschaftlich betrieben werden.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCologne, GermanyHQ recorded Nov 6, 2026201-500180 contacts →

Exact match

“We have a passion for innovative and sustainable concepts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchStuttgart, GermanyHQ recorded Nov 6, 202651-200112 contacts →

Exact match

“The German Sustainable Building Council (DGNB) is a central knowledge platform for sustainable building.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchGreifenberg, GermanyHQ recorded Nov 6, 202611-5086 contacts →

Exact match

“Seit unterstützt die DFGE Unternehmen dabei, Nachhaltigkeit messbar und strategisch nutzbar zu machen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBamberg, GermanyHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Die Alpha IC ist ein inhabergeführtes Consultingbüro für das Real Estate Management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMunich, GermanyHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“In a market full of complexity and empty promises, 42watt makes energy-efficient building modernization simple, reliable, and actionable.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchStuttgart, GermanyHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Wir entwickeln energieeffiziente Gebäude und klimaneutrale Quartiere für die Zukunft.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBerlin, GermanyHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Since its founding 20 years ago, ÖKOTEC stands for intelligent solutions for the reduction of energy and resource consumption.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCologne, GermanyHQ recorded Nov 6, 202611-5049 contacts →

Exact match

“Why Meo Carbon Solutions?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMunich, GermanyHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“Nachhaltige Transformation für eine zukunftsfähige Wirtschaft Als spezialisierte Unternehmensberatung für Emissionshandel, CBAM, Treibhausgasbilanzierung, Energieeffizienz sowie…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchKarlsruhe, GermanyHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“Wir planen, errichten und betreuen Gebäude, die für ihren kompletten Lebenszyklus an Mensch und Umwelt ausgerichtet sind.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMünster, GermanyHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Der Generalplaner für nachhaltiges Bauen & Sanieren Wir sind Ihr unabhängiger Partner für Energieberatung, Fördermittelmanagement und die energieeffiziente Planung und Umsetzung…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMunich, GermanyHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“Lang Hugger Rampp Architekten GmbH verfügen über mehr als 18 Jahre Erfahrung im Bereich des ressourcenschonenden, gestalterisch überzeugenden und technisch einwandfreien Bauens.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMunich, GermanyHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“Ob Probleme mit Licht, Luft oder Lärm, die Möhler + Partner Ingenieure GmbH unterstützt und berät Unternehmen, Behörden und Betroffene in allen Bereichen des Bauwesens, sehr gerne…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchStuttgart, GermanyHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“a+r Architekten stehen für eine solide, umweltverträgliche und zukunftsorientierte Architektur mit einer überzeugenden Expertise im Bereich des nachhaltigen Bauens – auch im…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLauterbach, GermanyHQ recorded Nov 6, 202651-20035 contacts →

Exact match

“bauart - Consulting Engineers \ We advise, plan and support exciting construction projects throughout Germany.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHamburg, GermanyHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“RENEWA ist dein unabhängiger Partner für energetische Sanierung.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchStuttgart, GermanyHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“Energy-efficient building renovations are complex.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPfaffenhofen An Der Ilm, GermanyHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“eta Energieberatung ist mehr als ein Ingenieurbüro.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMunich, GermanyHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Unsere Mission ist die Dekarbonisierung der Immobilienbranche.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchDüsseldorf, GermanyHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Wir sind ProEco Rheinland – das Kompetenzzentrum der Sparkassen für Nachhaltigkeit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSiegen, GermanyHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“G-TEC Ingenieure GmbH plant zukunftsfähige Gebäudeenergetik durch integrierte Gesamtplanungsleistungen und unter Berücksichtigung von Gebäudetechnik und Gebäudephysik.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchEssen, GermanyHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“Wir sind.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMunich, GermanyHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“fors.earth ist eine Nachhaltigkeitsberatung, die sich voll und ganz dem Auftrag verschrieben hat, ihre Kunden auf dem Weg in eine nachhaltigere Zukunft zu begleiten.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchKirchheim Unter Teck, GermanyHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Nachhaltigkeit und Wirtschaftlichkeit: Diesen zwei Eckwerten ordnen sich unsere Entscheidungen unter.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 806 sustainability consultants for buildings based in Germany

See the full list, filter by size, metro and specialty, and access 1,728 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainability consultants for buildings based in Germany at a glance

As of Nov 6, 2026
36.7%Verified-email coverage
5.8Average contacts per company
1-10Median size (employees)
9.2%Largest-city concentration · Berlin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
545
11-50
185
51-200
26
201-500
5
501-1,000
2

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 806 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 “sustainability consultants for buildings” 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 1,728 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 November 6, 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.

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 “sustainability consultants for buildings”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainability consultants for buildings are there based in Germany?

RevenueBase identified 806 company matches for sustainability consultants for buildings associated with Germany as of November 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?

Westbridge Advisory tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most sustainability consultants for buildings?

Berlin leads with 74 company records, followed by Hamburg (46) and Munich (43).

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 1,728 professional contacts with verified work emails tracked across these 806 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 November 6, 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.