Company lists · Data refreshed November 2026

Top 25 Passive house contractors worldwide

RevenueBase identified 2,031 company matches for passive house contractors worldwide as of November 2026 and tracks 11,768 professional contacts across them, including 2,929 with verified work emails. France is the largest market and London the largest hub.

This list covers company matches for passive house contractors worldwide, 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. Country and city lists for passive house contractors follow the table.

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
2,031Companies
11,768Contacts tracked
2,929Verified emails
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The 25 largest passive house contractors worldwide

Ranked by team size
Top 25 of 2,031 company matches for passive house contractors worldwide, 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 matchVianen, NetherlandsHQ recorded Nov 6, 2026501-1,000504 contacts →

Exact match

“Hanab Installation Technology maakt toekomstbestendige gebouwen en woningen met een gezond binnenklimaat.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchParis, FranceHQ recorded Nov 6, 2026201-500311 contacts →

Exact match

“Effy, spécialiste de l’efficience énergétique.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000265 contacts →

Exact match

“Barratt London is a leading London residential developer and part of Barratt Redrow plc, the UK’s largest housebuilder and a FTSE 100 company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMietraching, GermanyHQ recorded Nov 6, 2026501-1,000251 contacts →

Exact match

“B&O Bau plans, builds and manages affordable housing using traditional craftsmanship and innovative technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBristol, United KingdomHQ recorded Nov 6, 2026201-500117 contacts →

Exact match

“We are a leading provider of retrofit residential decarbonisation across the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBerlin, GermanyHQ recorded Nov 6, 202651-200113 contacts →

Exact match

“ecoworks is the trusted partner for the housing sector when it comes to affordable, energy-efficient renovations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchZaragoza, SpainHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“We are LOBE Group, a company spearheading the real estate sector that is at the forefront of energy efficiency thanks to Passivhaus certified construction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCape Town, South AfricaHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“The worldwide lack of appropriate housing and climate change is an opportunity to change the building industry through innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSint-denijs-westrem, BelgiumHQ recorded Nov 6, 2026201-50066 contacts →

Exact match

“Missie Bostoen Group wil op een no nonsense manier haar maatschappelijke verantwoordelijkheid nemen voor een betere wereld voor onze kinderen en kleinkinderen, door het wonen CO²…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDoncaster, United KingdomHQ recorded Nov 6, 2026201-50066 contacts →

Exact match

“At 21 Degrees, we believe buildings should be designed for lower energy use, healthier spaces and better comfort.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSalford, United KingdomHQ recorded Nov 6, 202611-5057 contacts →

Exact match

“We’ve created new, super efficient homes with brighter rooms, bigger windows, higher ceilings and truly open-plan living.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“Ultra-efficient.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAuckland, New ZealandHQ recorded Nov 6, 2026201-50055 contacts →

Exact match

“Brightr is here to make New Zealand lives better, one home at a time – and that’s got to be a positive thing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBarking, United KingdomHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“IZ Energy is pioneering a sustainable future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRansbach-baumbach, GermanyHQ recorded Nov 6, 2026201-50051 contacts →

Exact match

“Individuell bauen, ganz entspannt" beschreibt den Kern-Gedanken des Unternehmens.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBrussels, BelgiumHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“A2M is an international practice driven by an ardent belief in the possibilities of modern architecture and a keen curiosity about building physics, our interdisciplinary team…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchThurles, IrelandHQ recorded Nov 6, 202611-5048 contacts →

Exact match

“Electric Ireland Superhomes is a One Stop Shop which looks after all the key stages of a home energy retrofit, from retrofit design through to project completion and management of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPoznań, PolandHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“Budujemy energooszczędne domy jednorodzinne, które minimalizują Twoje rachunki i maksymalizują komfort życia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchGreenwood, DE, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Beracah Homes, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchIrvine, United KingdomHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“At Green Home Systems, we deliver whole-house retrofit solutions that make homes warmer, more energy efficient, and lower cost to run.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchClichy, FranceHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Depuis 2009, TucoEnergie est engagé pour rendre la rénovation énergétique possible et accessible au plus grand nombre.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchRearsby, United KingdomHQ recorded Nov 6, 2026201-50037 contacts →

Exact match

“Avonside Energy: Your Partner in Sustainable Building Solutions At Avonside Energy, we are dedicated to delivering best-in-class services across: New Build Insulation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFolschviller, FranceHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“EUROMAC2 est un leader européen des matériaux de gros œuvre pour la construction passive depuis 1976 avec plus de projets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBrooklyn, NY, United StatesHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“475’s mission is to lead a transformation of the North American construction industry toward making durable high-performance, Passive House and zero-energy buildings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAbrera, SpainHQ recorded Nov 6, 2026n/a36 contacts →

Exact match

“House Habitat construye casas saludables y eficientes energéticamente, con estructura de madera, basadas en la arquitectura bioclimática, siguiendo los criterios del estándar…”

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

Showing 25 of 2,031 passive house contractors worldwide

See the full list, filter by size, metro and specialty, and access 2,929 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Passive house contractors worldwide at a glance

As of Nov 6, 2026
24.9%Verified-email coverage
5.8Average contacts per company
1-10Median size (employees)
1.3%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,374
11-50
491
51-200
90
201-500
12
501-1,000
5
1,001-5,000
2

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for passive house contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “passive house contractors” 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. 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 2,929 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.

Passive house contractors by location

14 lists · largest first

Every Passive house contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “passive house contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many passive house contractors are there worldwide?

RevenueBase identified 2,031 company matches for passive house contractors worldwide 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?

Hanab Installation Technology tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most passive house contractors?

France leads with 251 companies, followed by the United Kingdom (227) and the United States (217). Every passive house contractors list by country and city is linked on this page.

Which city has the most passive house contractors?

London leads with 27 company records, followed by Madrid (19) and Barcelona (15).

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 2,929 professional contacts with verified work emails tracked across these 2,031 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.