Company lists · Data refreshed September 2026
Top 25 Passive house designers based in Belgium
RevenueBase identified 78 company matches for passive house designers associated with Belgium as of September 2026 and tracks 504 professional contacts across them, including 195 with verified work emails. Brussels is the largest hub.
This list covers company matches for passive house designers associated with Belgium, 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 September 20, 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.
The 25 largest passive house designers based in Belgium
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 69 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 48 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 35 contacts → | ||||
Exact match “Bureau d'Etudes en Design Energétique du Bâtiment, MK Engineering s'est forgé une solide expérience en conception très basse énergie avec ses services de Conseil aux Architecte et…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 23 contacts → | ||||
Exact match “Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 20 contacts → | ||||
Exact match “Construction de maisons passives, ossature bois, basse consommation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 19 contacts → | ||||
Exact match “CENERGIE delivers consulting, design, engineering and project management services for energy-efficient and sustainable buildings during their entire lifecycle.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 17 contacts → | ||||
Exact match “ISOLUTION est une société spécialisée dans l'isolation et la ventilation de bâtiment pour particuliers et professionnels, et ce depuis plus de 12 ans Aujourd'hui, Isolution compte…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 11 contacts → | ||||
Exact match “Objectif Zéro est un centre d'expertise et de conseil pour la sobriété des constructions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 10 contacts → | ||||
Exact match “Bij B-EA (Bouw & Energie Advies) ondersteunen we bouwheren, architecten en ontwikkelaars met praktisch energieadvies voor nieuwbouw- en renovatieprojecten.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 10 contacts → | ||||
Exact match “Pixii / Passive House Platform has been the reference in sustainable, climate-robust building and living since 2002.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 9 contacts → | ||||
Exact match “Cleys bv is jouw specialist in energetische renovaties.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 8 contacts → | ||||
Exact match “BOWERS® creëert doordachte woon- en werkplekken door goed te isoleren, optimaal te ventileren, energiezuinig te verwarmen en alles ‘smart’ op elkaar af te stemmen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 8 contacts → | ||||
Exact match “Notre bureau est composé de deux ingénieurs civils architectes Jérôme Desmedt et Céline Purnelle.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “Ariade Architecte is a company involdved in archtecture, sustainability and hign performance buildings.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “Warm thuiskomen in de winter, fris blijven in de zomer.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “De Noordboom bouwt energiezuinige woningen met hernieuwbare grondstoffen uit duurzame ontginning.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “NELTANE is a construction company specialised in HVAC and Natural insulation based in Charleroi, Belgium.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Isolblow is een moderne en familiale KMO, gespecialiseerd in ecologische isolatietechnieken.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Bureau d'Architecture et d'étude énergétiques spécialisé en conception et réalisation de projets durables (matériaux écologiques, passif, basse énergie et Très basse énergie)…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “Véritable précurseur du concept de maisons basses énergies et passive depuis sa création en 2002, la Maison de Demain a mis sur pieds une centaine de bâtiments, en Wallonie, à…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Onis est une entreprise spécialisée dans la rénovation énergétique des bâtiments à Bruxelles.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “We zien de laatste tijd de de kostprijs van energie alleen maar stijgen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Bent u op zoek naar een betrouwbare partner voor de renovatie van uw woning?” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “Bureau d'Architectes FORMAT D² sprl Spécialiste en maisons passives et bâtiments bois” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “At Augspach Architecture, we specialize in crafting sustainable, passive design solutions that harmonize with their natural surroundings.” Recorded in the RevenueBase company graph · Sep 20, 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 “passive house designers”. 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 78 passive house designers based in Belgium
See the full list, filter by size, metro and specialty, and access 195 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Passive house designers based in Belgium at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 78 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 Belgium whose business descriptions match “passive house designers” 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 195 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 September 20, 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 “passive house designers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many passive house designers are there based in Belgium?
RevenueBase identified 78 company matches for passive house designers associated with Belgium as of September 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?
Bostoen NV tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most passive house designers?
Brussels leads with 7 company records, followed by Esch-Sur-Alzette (2) and Ronse (2).
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 195 professional contacts with verified work emails tracked across these 78 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 September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 78 passive house designers based in Belgium. Start with a free account, no credit card.
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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.
More company lists
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- Lists A-Z
- New lists
- Passive house designers based in Australia
- Passive house designers based in Canada
- Passive house designers based in France
- Passive house designers based in Germany
- Passive house designers based in Italy
- Passive house designers based in the Netherlands
Company intelligence · public preview
Top 25 passive house designers based in Belgium
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 78 matching company records for passive house designers based in Belgium, with 504 tracked contacts and 195 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 passive house designers based in Belgium
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Bostoen NVbostoen.be HQ: Sint-denijs-westrem, BelgiumReported employees: 201-500 | Sint-denijs-westrem, Belgium | 201-500 | Exact match | 69 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  A2m Architecturea2m.beHQ: Brussels, BelgiumReported employees: 51-200 | Brussels, Belgium | 51-200 | Exact match | 48 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  MK Engineeringmkengineering.beHQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 35 contacts → |
“Bureau d'Etudes en Design Energétique du Bâtiment, MK Engineering s'est forgé une solide expérience en conception très basse énergie avec ses services de Conseil aux Architecte et…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ecopuurecopuur.beHQ: 9850, BelgiumReported employees: 11-50 | 9850, Belgium | 11-50 | Exact match | 23 contacts → |
“Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ts-Constructts-construct.be HQ: Jodoigne, BelgiumReported employees: 11-50 | Jodoigne, Belgium | 11-50 | Exact match | 20 contacts → |
“Construction de maisons passives, ossature bois, basse consommation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cenergiecenergie.beHQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 19 contacts → |
“CENERGIE delivers consulting, design, engineering and project management services for energy-efficient and sustainable buildings during their entire lifecycle.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Isolutionisolution.be HQ: Namur, BelgiumReported employees: 11-50 | Namur, Belgium | 11-50 | Exact match | 17 contacts → |
“ISOLUTION est une société spécialisée dans l'isolation et la ventilation de bâtiment pour particuliers et professionnels, et ce depuis plus de 12 ans Aujourd'hui, Isolution compte…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Objectif Zéroobjectifzero.be HQ: Gembloux, BelgiumReported employees: 1-10 | Gembloux, Belgium | 1-10 | Exact match | 11 contacts → |
“Objectif Zéro est un centre d'expertise et de conseil pour la sobriété des constructions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Bouw & Energie Advies By Studibobouw-energieadvies.beHQ: Genk, BelgiumReported employees: 11-50 | Genk, Belgium | 11-50 | Exact match | 10 contacts → |
“Bij B-EA (Bouw & Energie Advies) ondersteunen we bouwheren, architecten en ontwikkelaars met praktisch energieadvies voor nieuwbouw- en renovatieprojecten.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Borgerhout, BelgiumReported employees: 1-10 | Borgerhout, Belgium | 1-10 | Exact match | 10 contacts → |
“Pixii / Passive House Platform has been the reference in sustainable, climate-robust building and living since 2002.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | CLEYScleys.be HQ: Waasmunster, BelgiumReported employees: 11-50 | Waasmunster, Belgium | 11-50 | Exact match | 9 contacts → |
“Cleys bv is jouw specialist in energetische renovaties.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Bowersbowers.be HQ: Gistel, BelgiumReported employees: 11-50 | Gistel, Belgium | 11-50 | Exact match | 8 contacts → |
“BOWERS® creëert doordachte woon- en werkplekken door goed te isoleren, optimaal te ventileren, energiezuinig te verwarmen en alles ‘smart’ op elkaar af te stemmen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Sombreffe, BelgiumReported employees: 1-10 | Sombreffe, Belgium | 1-10 | Exact match | 8 contacts → |
“Notre bureau est composé de deux ingénieurs civils architectes Jérôme Desmedt et Céline Purnelle.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ariadeariade.netHQ: Bruxelles (uccle), BelgiumReported employees: 1-10 | Bruxelles (uccle), Belgium | 1-10 | Exact match | 8 contacts → |
“Ariade Architecte is a company involdved in archtecture, sustainability and hign performance buildings.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  4technics BV4technics.beHQ: Westerlo, BelgiumReported employees: 11-50 | Westerlo, Belgium | 11-50 | Exact match | 7 contacts → |
“Warm thuiskomen in de winter, fris blijven in de zomer.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | DE Noordboomdenoordboom.be HQ: Ronse, BelgiumReported employees: 11-50 | Ronse, Belgium | 11-50 | Exact match | 7 contacts → |
“De Noordboom bouwt energiezuinige woningen met hernieuwbare grondstoffen uit duurzame ontginning.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Neltaneneltane.be HQ: Charleroi, BelgiumReported employees: 1-10 | Charleroi, Belgium | 1-10 | Exact match | 6 contacts → |
“NELTANE is a construction company specialised in HVAC and Natural insulation based in Charleroi, Belgium.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Isolblowisolblow.be HQ: Aalter, BelgiumReported employees: 1-10 | Aalter, Belgium | 1-10 | Exact match | 5 contacts → |
“Isolblow is een moderne en familiale KMO, gespecialiseerd in ecologische isolatietechnieken.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  UP Architectsup-architects.beHQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 5 contacts → |
“Bureau d'Architecture et d'étude énergétiques spécialisé en conception et réalisation de projets durables (matériaux écologiques, passif, basse énergie et Très basse énergie)…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | LA Maison DE Demainlamaisondedemain.be HQ: Carlsbourg, BelgiumReported employees: 1-10 | Carlsbourg, Belgium | 1-10 | Exact match | 4 contacts → |
“Véritable précurseur du concept de maisons basses énergies et passive depuis sa création en 2002, la Maison de Demain a mis sur pieds une centaine de bâtiments, en Wallonie, à…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | ONISbe-onis.com HQ: Etterbeek, BelgiumReported employees: 1-10 | Etterbeek, Belgium | 1-10 | Exact match | 4 contacts → |
“Onis est une entreprise spécialisée dans la rénovation énergétique des bâtiments à Bruxelles.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Splendid Woningbouwsplendid.be HQ: Paal, BelgiumReported employees: 1-10 | Paal, Belgium | 1-10 | Exact match | 3 contacts → |
“We zien de laatste tijd de de kostprijs van energie alleen maar stijgen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Vd-Buildvd-build.be HQ: St-niklaas, BelgiumReported employees: 11-50 | St-niklaas, Belgium | 11-50 | Exact match | 3 contacts → |
“Bent u op zoek naar een betrouwbare partner voor de renovatie van uw woning?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Bureau D'architectes Format D Sprlformatd2.be HQ: Stambruges, BelgiumReported employees: 1-10 | Stambruges, Belgium | 1-10 | Exact match | 3 contacts → |
“Bureau d'Architectes FORMAT D² sprl Spécialiste en maisons passives et bâtiments bois” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Sustainable By Designa-architecture.beHQ: La Hulpe, BelgiumReported employees: 1-10 | La Hulpe, Belgium | 1-10 | Exact match | 3 contacts → |
“At Augspach Architecture, we specialize in crafting sustainable, passive design solutions that harmonize with their natural surroundings.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 78 company matches
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Passive house designers: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
77 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 78 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for passive house designers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many passive house designers did RevenueBase find based in Belgium?
The saved snapshot records 78 matching company records, 504 tracked contacts and 195 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Passive house designers by geography
- Passive house designers based in Australia
- Passive house designers based in Canada
- Passive house designers based in France
- Passive house designers based in Germany
- Passive house designers based in Italy
- Passive house designers based in the Netherlands
- Passive house designers based in New Zealand
- Passive house designers based in Spain
- Passive house designers based in Switzerland
- Passive house designers based in the United Kingdom
- Passive house designers based in the United States
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 passive house designers based in Belgium. Snapshot: September 20, 2026. https://revenuebase.ai/companies/passive-house-designers/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Passive house designers based in Australia
- Passive house designers based in Canada
- Passive house designers based in France
- Passive house designers based in Germany
- Passive house designers based in Italy
- Passive house designers based in the Netherlands
Company intelligence · public preview
Top 25 passive house designers based in Belgium
RevenueBase records 78 matching company records for passive house designers based in Belgium, with 504 tracked contacts and 195 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 passive house designers based in Belgium
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Bostoen NVbostoen.be HQ: Sint-denijs-westrem, BelgiumReported employees: 201-500 | Sint-denijs-westrem, Belgium | 201-500 | Exact match | 69 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | A2m Architecturea2m.be HQ: Brussels, BelgiumReported employees: 51-200 | Brussels, Belgium | 51-200 | Exact match | 48 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | MK Engineeringmkengineering.be HQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 35 contacts → |
“Bureau d'Etudes en Design Energétique du Bâtiment, MK Engineering s'est forgé une solide expérience en conception très basse énergie avec ses services de Conseil aux Architecte et…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ecopuurecopuur.be HQ: 9850, BelgiumReported employees: 11-50 | 9850, Belgium | 11-50 | Exact match | 23 contacts → |
“Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ts-Constructts-construct.be HQ: Jodoigne, BelgiumReported employees: 11-50 | Jodoigne, Belgium | 11-50 | Exact match | 20 contacts → |
“Construction de maisons passives, ossature bois, basse consommation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cenergiecenergie.be HQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 19 contacts → |
“CENERGIE delivers consulting, design, engineering and project management services for energy-efficient and sustainable buildings during their entire lifecycle.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Isolutionisolution.be HQ: Namur, BelgiumReported employees: 11-50 | Namur, Belgium | 11-50 | Exact match | 17 contacts → |
“ISOLUTION est une société spécialisée dans l'isolation et la ventilation de bâtiment pour particuliers et professionnels, et ce depuis plus de 12 ans Aujourd'hui, Isolution compte…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Objectif Zéroobjectifzero.be HQ: Gembloux, BelgiumReported employees: 1-10 | Gembloux, Belgium | 1-10 | Exact match | 11 contacts → |
“Objectif Zéro est un centre d'expertise et de conseil pour la sobriété des constructions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Bouw & Energie Advies By Studibobouw-energieadvies.be HQ: Genk, BelgiumReported employees: 11-50 | Genk, Belgium | 11-50 | Exact match | 10 contacts → |
“Bij B-EA (Bouw & Energie Advies) ondersteunen we bouwheren, architecten en ontwikkelaars met praktisch energieadvies voor nieuwbouw- en renovatieprojecten.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Borgerhout, BelgiumReported employees: 1-10 | Borgerhout, Belgium | 1-10 | Exact match | 10 contacts → |
“Pixii / Passive House Platform has been the reference in sustainable, climate-robust building and living since 2002.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | CLEYScleys.be HQ: Waasmunster, BelgiumReported employees: 11-50 | Waasmunster, Belgium | 11-50 | Exact match | 9 contacts → |
“Cleys bv is jouw specialist in energetische renovaties.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Bowersbowers.be HQ: Gistel, BelgiumReported employees: 11-50 | Gistel, Belgium | 11-50 | Exact match | 8 contacts → |
“BOWERS® creëert doordachte woon- en werkplekken door goed te isoleren, optimaal te ventileren, energiezuinig te verwarmen en alles ‘smart’ op elkaar af te stemmen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Sombreffe, BelgiumReported employees: 1-10 | Sombreffe, Belgium | 1-10 | Exact match | 8 contacts → |
“Notre bureau est composé de deux ingénieurs civils architectes Jérôme Desmedt et Céline Purnelle.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ariadeariade.net HQ: Bruxelles (uccle), BelgiumReported employees: 1-10 | Bruxelles (uccle), Belgium | 1-10 | Exact match | 8 contacts → |
“Ariade Architecte is a company involdved in archtecture, sustainability and hign performance buildings.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 4technics BV4technics.be HQ: Westerlo, BelgiumReported employees: 11-50 | Westerlo, Belgium | 11-50 | Exact match | 7 contacts → |
“Warm thuiskomen in de winter, fris blijven in de zomer.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | DE Noordboomdenoordboom.be HQ: Ronse, BelgiumReported employees: 11-50 | Ronse, Belgium | 11-50 | Exact match | 7 contacts → |
“De Noordboom bouwt energiezuinige woningen met hernieuwbare grondstoffen uit duurzame ontginning.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Neltaneneltane.be HQ: Charleroi, BelgiumReported employees: 1-10 | Charleroi, Belgium | 1-10 | Exact match | 6 contacts → |
“NELTANE is a construction company specialised in HVAC and Natural insulation based in Charleroi, Belgium.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Isolblowisolblow.be HQ: Aalter, BelgiumReported employees: 1-10 | Aalter, Belgium | 1-10 | Exact match | 5 contacts → |
“Isolblow is een moderne en familiale KMO, gespecialiseerd in ecologische isolatietechnieken.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | UP Architectsup-architects.be HQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 5 contacts → |
“Bureau d'Architecture et d'étude énergétiques spécialisé en conception et réalisation de projets durables (matériaux écologiques, passif, basse énergie et Très basse énergie)…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | LA Maison DE Demainlamaisondedemain.be HQ: Carlsbourg, BelgiumReported employees: 1-10 | Carlsbourg, Belgium | 1-10 | Exact match | 4 contacts → |
“Véritable précurseur du concept de maisons basses énergies et passive depuis sa création en 2002, la Maison de Demain a mis sur pieds une centaine de bâtiments, en Wallonie, à…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | ONISbe-onis.com HQ: Etterbeek, BelgiumReported employees: 1-10 | Etterbeek, Belgium | 1-10 | Exact match | 4 contacts → |
“Onis est une entreprise spécialisée dans la rénovation énergétique des bâtiments à Bruxelles.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Splendid Woningbouwsplendid.be HQ: Paal, BelgiumReported employees: 1-10 | Paal, Belgium | 1-10 | Exact match | 3 contacts → |
“We zien de laatste tijd de de kostprijs van energie alleen maar stijgen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Vd-Buildvd-build.be HQ: St-niklaas, BelgiumReported employees: 11-50 | St-niklaas, Belgium | 11-50 | Exact match | 3 contacts → |
“Bent u op zoek naar een betrouwbare partner voor de renovatie van uw woning?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Bureau D'architectes Format D Sprlformatd2.be HQ: Stambruges, BelgiumReported employees: 1-10 | Stambruges, Belgium | 1-10 | Exact match | 3 contacts → |
“Bureau d'Architectes FORMAT D² sprl Spécialiste en maisons passives et bâtiments bois” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sustainable By Designa-architecture.be HQ: La Hulpe, BelgiumReported employees: 1-10 | La Hulpe, Belgium | 1-10 | Exact match | 3 contacts → |
“At Augspach Architecture, we specialize in crafting sustainable, passive design solutions that harmonize with their natural surroundings.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 78 company matches
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Passive house designers: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
77 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 78 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for passive house designers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many passive house designers did RevenueBase find based in Belgium?
The saved snapshot records 78 matching company records, 504 tracked contacts and 195 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 passive house designers based in Belgium. Snapshot: September 20, 2026. https://revenuebase.ai/companies/passive-house-designers/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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