Company lists · Data refreshed November 2026
Top 25 Retrofitting consultants based in Belgium
RevenueBase identified 171 company matches for retrofitting consultants associated with Belgium as of November 2026 and tracks 1,228 professional contacts across them, including 490 with verified work emails. Brussels is the largest hub.
This list covers company matches for retrofitting consultants 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 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.
The 25 largest retrofitting consultants based in Belgium
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 95 contacts → | ||||
Exact match “Catalay is on a mission to build a highly skilled and loyal community of engineering consultants so we can partner up with our clients to accelerate their engineering transitions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 78 contacts → | ||||
Exact match “Le bureau d’études Lemaire a été fondé par Frédéric Lemaire, ingénieur civil en construction.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 70 contacts → | ||||
Exact match “Deplasse est un bureau d’études et de conseils qui offre une vision globale et transversale sur la transition énergétique incluant expertise technique, approche patrimoniale et…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 65 contacts → | ||||
Exact match “M-gineers (formerly known as Macobo-Stabo) Smart engineering op het ritme van een maatschappij in beweging.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 39 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 37 contacts → | ||||
Exact match “A+ Concept est un bureau d'études composé d'experts énergétiques et ingénieurs spécialisés dans les techniques du bâtiment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 32 contacts → | ||||
Exact match “With over 40 years of experience in building technologies, sustainability, infrastructure, and water management, Groep Infrabo is an independent engineering and consultancy firm…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 27 contacts → | ||||
Exact match “Quito existe pour offrir une solution coordonnée aux propriétaires cherchant à améliorer la performance énergétique de leur bien le plus simplement et esthétiquement possible afin…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 24 contacts → | ||||
Exact match “Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 23 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 22 contacts → | ||||
Exact match “Working with architects and other professionals is in our DNA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 22 contacts → | ||||
Exact match “ISTEMA is een gespecialiseerd ingenieurs- en studiebureau voor technieken en energie in gebouwen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 21 contacts → | ||||
Exact match “Bij Raco by Studibo ondersteunen we bouwprojecten met studies van technische installaties, advies en projectbegeleiding.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 20 contacts → | ||||
Exact match “FI Engineering est un bureau d'études en techniques spéciales et en assistance technique, reconnu pour son expertise technique, sa qualité de service et son approche orientée…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 18 contacts → | ||||
Exact match “MijnEPB helpt architect en bouwheer met de nodige engineering voor hun project.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 16 contacts → | ||||
Exact match “Bij Peritas bieden we onze klanten niet alleen betrouwbare, energie-efficiënte oplossingen voor hun engineeringprojecten, maar zetten we ook in op innovatie en efficiëntie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 15 contacts → | ||||
Exact match “Ingenieurs en adviesbureau gespecialiseerd in de bouwsector en actief over heel België.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 14 contacts → | ||||
Exact match “Edifis Ingénierie est un bureau d'études en stabilité des bâtiments spécialisé dans le domaine du béton armé qu'il soit coulé sur place ou préfabriqué.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 14 contacts → | ||||
Exact match “ENDES, een verzameling van gedreven ingenieurs met passie voor techniek.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 13 contacts → | ||||
Exact match “LES ARCHITECTES DE LA CUISINE PROFESSIONNELLE" ERM Project, l'auteur de projet de cuisines professionnelles ERM Project est une entreprise belge active en Europe, dans le secteur…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 11 contacts → | ||||
Exact match “Bij Xenadvies helpen we particulieren, architecten, bedrijven en projectontwikkelaars om te voldoen aan de wettelijke vereisten en hun energie-efficiëntie te verbeteren.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 11 contacts → | ||||
Exact match “Technisch studiebureau, actief in de bouwsector en gespecialiseerd in HVAC, Elektriciteit, EPB, Hernieuwbare energie, Veiligheid, Milieu” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 11 contacts → | ||||
Exact match “Lerner Engineering is a small sized company specialized in engineering consultancy, based in Brussels, Belgium.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 10 contacts → | ||||
Exact match “Wascos has been offering high quality services of consulting engineering for 20 years.” Recorded in the RevenueBase company graph · Nov 6, 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 “retrofitting consultants”. 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 171 retrofitting consultants based in Belgium
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Retrofitting consultants based in Belgium at a glance
As of Nov 6, 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 171 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 “retrofitting consultants” 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 490 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 “retrofitting consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many retrofitting consultants are there based in Belgium?
RevenueBase identified 171 company matches for retrofitting consultants associated with Belgium 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?
Catalay tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most retrofitting consultants?
Brussels leads with 8 company records, followed by Ghent (8) and Liege (5).
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 490 professional contacts with verified work emails tracked across these 171 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.
Ready to reach these companies? Verified emails and direct dials for all 171 retrofitting consultants 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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Retrofitting consultants based in Melbourne, Australia
- Retrofitting consultants based in Sydney, Australia
- Retrofitting consultants based in Belo Horizonte, Brazil
- Retrofitting consultants based in Rio De Janeiro, Brazil
- Retrofitting consultants based in Sao Paulo, Brazil
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Company intelligence · public preview
Top 25 retrofitting consultants 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 171 matching company records for retrofitting consultants based in Belgium, with 1,228 tracked contacts and 490 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: November 6, 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 retrofitting consultants 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 |  Catalaycatalay.comHQ: Antwerp, BelgiumReported employees: 51-200 | Antwerp, Belgium | 51-200 | Exact match | 95 contacts → |
“Catalay is on a mission to build a highly skilled and loyal community of engineering consultants so we can partner up with our clients to accelerate their engineering transitions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Bureau D Etudes Lemairelemaire-ingenieurs.beHQ: Grâce-hollogne, BelgiumReported employees: 51-200 | Grâce-hollogne, Belgium | 51-200 | Exact match | 78 contacts → |
“Le bureau d’études Lemaire a été fondé par Frédéric Lemaire, ingénieur civil en construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Deplassedeplasse.comHQ: Watermael-boitsfort, BelgiumReported employees: 51-200 | Watermael-boitsfort, Belgium | 51-200 | Exact match | 70 contacts → |
“Deplasse est un bureau d’études et de conseils qui offre une vision globale et transversale sur la transition énergétique incluant expertise technique, approche patrimoniale et…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  M-Gineersm-gineers.beHQ: Leuven, BelgiumReported employees: 51-200 | Leuven, Belgium | 51-200 | Exact match | 65 contacts → |
“M-gineers (formerly known as Macobo-Stabo) Smart engineering op het ritme van een maatschappij in beweging.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  MK Engineeringmkengineering.beHQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 39 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Bureau D'études A Conceptaplusconcept.beHQ: Liège, BelgiumReported employees: 11-50 | Liège, Belgium | 11-50 | Exact match | 37 contacts → |
“A+ Concept est un bureau d'études composé d'experts énergétiques et ingénieurs spécialisés dans les techniques du bâtiment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Groep Infraboinfrabo.beHQ: Westerlo, BelgiumReported employees: 11-50 | Westerlo, Belgium | 11-50 | Exact match | 32 contacts → |
“With over 40 years of experience in building technologies, sustainability, infrastructure, and water management, Groep Infrabo is an independent engineering and consultancy firm…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  QUITOquito.beHQ: Noville-les-bois, BelgiumReported employees: 1-10 | Noville-les-bois, Belgium | 1-10 | Exact match | 27 contacts → |
“Quito existe pour offrir une solution coordonnée aux propriétaires cherchant à améliorer la performance énergétique de leur bien le plus simplement et esthétiquement possible afin…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ecopuurecopuur.beHQ: 9850, BelgiumReported employees: 11-50 | 9850, Belgium | 11-50 | Exact match | 24 contacts → |
“Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Cenergiecenergie.beHQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 23 contacts → |
“CENERGIE delivers consulting, design, engineering and project management services for energy-efficient and sustainable buildings during their entire lifecycle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Groep Dirk DE Groofdirkdegroof.beHQ: Putte, BelgiumReported employees: 11-50 | Putte, Belgium | 11-50 | Exact match | 22 contacts → |
“Working with architects and other professionals is in our DNA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Istema NVistema.beHQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 22 contacts → |
“ISTEMA is een gespecialiseerd ingenieurs- en studiebureau voor technieken en energie in gebouwen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Raco By Studibora-co.beHQ: Heusden-zolder, BelgiumReported employees: 11-50 | Heusden-zolder, Belgium | 11-50 | Exact match | 21 contacts → |
“Bij Raco by Studibo ondersteunen we bouwprojecten met studies van technische installaties, advies en projectbegeleiding.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  FI Engineeringfi-engineering.beHQ: Etterbeek, BelgiumReported employees: 11-50 | Etterbeek, Belgium | 11-50 | Exact match | 20 contacts → |
“FI Engineering est un bureau d'études en techniques spéciales et en assistance technique, reconnu pour son expertise technique, sa qualité de service et son approche orientée…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Mijnepbmijnepb.beHQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 18 contacts → |
“MijnEPB helpt architect en bouwheer met de nodige engineering voor hun project.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Peritasperitas.beHQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 16 contacts → |
“Bij Peritas bieden we onze klanten niet alleen betrouwbare, energie-efficiënte oplossingen voor hun engineeringprojecten, maar zetten we ook in op innovatie en efficiëntie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  2b-Safe2bsafe.beHQ: Glabbeek, BelgiumReported employees: 11-50 | Glabbeek, Belgium | 11-50 | Exact match | 15 contacts → |
“Ingenieurs en adviesbureau gespecialiseerd in de bouwsector en actief over heel België.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Edifis Ingénierieedifis.euHQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 14 contacts → |
“Edifis Ingénierie est un bureau d'études en stabilité des bâtiments spécialisé dans le domaine du béton armé qu'il soit coulé sur place ou préfabriqué.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  ENDESendes.beHQ: Tielt, BelgiumReported employees: 11-50 | Tielt, Belgium | 11-50 | Exact match | 14 contacts → |
“ENDES, een verzameling van gedreven ingenieurs met passie voor techniek.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  ERM Projecterm-project.euHQ: Mont-saint-guibert, BelgiumReported employees: 1-10 | Mont-saint-guibert, Belgium | 1-10 | Exact match | 13 contacts → |
“LES ARCHITECTES DE LA CUISINE PROFESSIONNELLE" ERM Project, l'auteur de projet de cuisines professionnelles ERM Project est une entreprise belge active en Europe, dans le secteur…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Xenadviesxenadvies.beHQ: Wuustwezel, BelgiumReported employees: 11-50 | Wuustwezel, Belgium | 11-50 | Exact match | 11 contacts → |
“Bij Xenadvies helpen we particulieren, architecten, bedrijven en projectontwikkelaars om te voldoen aan de wettelijke vereisten en hun energie-efficiëntie te verbeteren.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Objectif Zéroobjectifzero.beHQ: 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Devisadevisa.beHQ: Destelbergen, BelgiumReported employees: 1-10 | Destelbergen, Belgium | 1-10 | Exact match | 11 contacts → |
“Technisch studiebureau, actief in de bouwsector en gespecialiseerd in HVAC, Elektriciteit, EPB, Hernieuwbare energie, Veiligheid, Milieu” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Lerner Engineeringlernerengineering.beHQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 11 contacts → |
“Lerner Engineering is a small sized company specialized in engineering consultancy, based in Brussels, Belgium.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Wascos Sprlwascos.beHQ: Ecaussinnes, BelgiumReported employees: 1-10 | Ecaussinnes, Belgium | 1-10 | Exact match | 10 contacts → |
“Wascos has been offering high quality services of consulting engineering for 20 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 171 company matches
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Retrofitting consultants: dataset insights
November 6, 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
168 records in the displayed employee bands.
3 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 171 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: November 6, 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 retrofitting consultants?
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 retrofitting consultants did RevenueBase find based in Belgium?
The saved snapshot records 171 matching company records, 1,228 tracked contacts and 490 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: November 6, 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
Retrofitting consultants by geography
- Retrofitting consultants based in Melbourne, Australia
- Retrofitting consultants based in Sydney, Australia
- Retrofitting consultants based in Belo Horizonte, Brazil
- Retrofitting consultants based in Rio De Janeiro, Brazil
- Retrofitting consultants based in Sao Paulo, Brazil
- Retrofitting consultants based in Calgary, Canada
- Retrofitting consultants based in Montreal, Canada
- Retrofitting consultants based in Toronto, Canada
- Retrofitting consultants based in Vancouver, Canada
- Retrofitting consultants based in Lyon, France
- Retrofitting consultants based in Paris, France
- Retrofitting consultants based in Toulouse, France
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 retrofitting consultants based in Belgium. Snapshot: November 6, 2026. https://revenuebase.ai/companies/retrofitting-consultants/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
- Retrofitting consultants based in Melbourne, Australia
- Retrofitting consultants based in Sydney, Australia
- Retrofitting consultants based in Belo Horizonte, Brazil
- Retrofitting consultants based in Rio De Janeiro, Brazil
- Retrofitting consultants based in Sao Paulo, Brazil
- Retrofitting consultants based in Calgary, Canada
Company intelligence · public preview
Top 25 retrofitting consultants based in Belgium
RevenueBase records 171 matching company records for retrofitting consultants based in Belgium, with 1,228 tracked contacts and 490 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: November 6, 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 retrofitting consultants 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 | Catalaycatalay.com HQ: Antwerp, BelgiumReported employees: 51-200 | Antwerp, Belgium | 51-200 | Exact match | 95 contacts → |
“Catalay is on a mission to build a highly skilled and loyal community of engineering consultants so we can partner up with our clients to accelerate their engineering transitions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Bureau D Etudes Lemairelemaire-ingenieurs.be HQ: Grâce-hollogne, BelgiumReported employees: 51-200 | Grâce-hollogne, Belgium | 51-200 | Exact match | 78 contacts → |
“Le bureau d’études Lemaire a été fondé par Frédéric Lemaire, ingénieur civil en construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Deplassedeplasse.com HQ: Watermael-boitsfort, BelgiumReported employees: 51-200 | Watermael-boitsfort, Belgium | 51-200 | Exact match | 70 contacts → |
“Deplasse est un bureau d’études et de conseils qui offre une vision globale et transversale sur la transition énergétique incluant expertise technique, approche patrimoniale et…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | M-Gineersm-gineers.be HQ: Leuven, BelgiumReported employees: 51-200 | Leuven, Belgium | 51-200 | Exact match | 65 contacts → |
“M-gineers (formerly known as Macobo-Stabo) Smart engineering op het ritme van een maatschappij in beweging.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | MK Engineeringmkengineering.be HQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 39 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Bureau D'études A Conceptaplusconcept.be HQ: Liège, BelgiumReported employees: 11-50 | Liège, Belgium | 11-50 | Exact match | 37 contacts → |
“A+ Concept est un bureau d'études composé d'experts énergétiques et ingénieurs spécialisés dans les techniques du bâtiment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Groep Infraboinfrabo.be HQ: Westerlo, BelgiumReported employees: 11-50 | Westerlo, Belgium | 11-50 | Exact match | 32 contacts → |
“With over 40 years of experience in building technologies, sustainability, infrastructure, and water management, Groep Infrabo is an independent engineering and consultancy firm…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | QUITOquito.be HQ: Noville-les-bois, BelgiumReported employees: 1-10 | Noville-les-bois, Belgium | 1-10 | Exact match | 27 contacts → |
“Quito existe pour offrir une solution coordonnée aux propriétaires cherchant à améliorer la performance énergétique de leur bien le plus simplement et esthétiquement possible afin…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ecopuurecopuur.be HQ: 9850, BelgiumReported employees: 11-50 | 9850, Belgium | 11-50 | Exact match | 24 contacts → |
“Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cenergiecenergie.be HQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 23 contacts → |
“CENERGIE delivers consulting, design, engineering and project management services for energy-efficient and sustainable buildings during their entire lifecycle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Groep Dirk DE Groofdirkdegroof.be HQ: Putte, BelgiumReported employees: 11-50 | Putte, Belgium | 11-50 | Exact match | 22 contacts → |
“Working with architects and other professionals is in our DNA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Istema NVistema.be HQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 22 contacts → |
“ISTEMA is een gespecialiseerd ingenieurs- en studiebureau voor technieken en energie in gebouwen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Raco By Studibora-co.be HQ: Heusden-zolder, BelgiumReported employees: 11-50 | Heusden-zolder, Belgium | 11-50 | Exact match | 21 contacts → |
“Bij Raco by Studibo ondersteunen we bouwprojecten met studies van technische installaties, advies en projectbegeleiding.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | FI Engineeringfi-engineering.be HQ: Etterbeek, BelgiumReported employees: 11-50 | Etterbeek, Belgium | 11-50 | Exact match | 20 contacts → |
“FI Engineering est un bureau d'études en techniques spéciales et en assistance technique, reconnu pour son expertise technique, sa qualité de service et son approche orientée…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mijnepbmijnepb.be HQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 18 contacts → |
“MijnEPB helpt architect en bouwheer met de nodige engineering voor hun project.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Peritasperitas.be HQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 16 contacts → |
“Bij Peritas bieden we onze klanten niet alleen betrouwbare, energie-efficiënte oplossingen voor hun engineeringprojecten, maar zetten we ook in op innovatie en efficiëntie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 2b-Safe2bsafe.be HQ: Glabbeek, BelgiumReported employees: 11-50 | Glabbeek, Belgium | 11-50 | Exact match | 15 contacts → |
“Ingenieurs en adviesbureau gespecialiseerd in de bouwsector en actief over heel België.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Edifis Ingénierieedifis.eu HQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 14 contacts → |
“Edifis Ingénierie est un bureau d'études en stabilité des bâtiments spécialisé dans le domaine du béton armé qu'il soit coulé sur place ou préfabriqué.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | ENDESendes.be HQ: Tielt, BelgiumReported employees: 11-50 | Tielt, Belgium | 11-50 | Exact match | 14 contacts → |
“ENDES, een verzameling van gedreven ingenieurs met passie voor techniek.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | ERM Projecterm-project.eu HQ: Mont-saint-guibert, BelgiumReported employees: 1-10 | Mont-saint-guibert, Belgium | 1-10 | Exact match | 13 contacts → |
“LES ARCHITECTES DE LA CUISINE PROFESSIONNELLE" ERM Project, l'auteur de projet de cuisines professionnelles ERM Project est une entreprise belge active en Europe, dans le secteur…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Xenadviesxenadvies.be HQ: Wuustwezel, BelgiumReported employees: 11-50 | Wuustwezel, Belgium | 11-50 | Exact match | 11 contacts → |
“Bij Xenadvies helpen we particulieren, architecten, bedrijven en projectontwikkelaars om te voldoen aan de wettelijke vereisten en hun energie-efficiëntie te verbeteren.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Devisadevisa.be HQ: Destelbergen, BelgiumReported employees: 1-10 | Destelbergen, Belgium | 1-10 | Exact match | 11 contacts → |
“Technisch studiebureau, actief in de bouwsector en gespecialiseerd in HVAC, Elektriciteit, EPB, Hernieuwbare energie, Veiligheid, Milieu” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Lerner Engineeringlernerengineering.be HQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 11 contacts → |
“Lerner Engineering is a small sized company specialized in engineering consultancy, based in Brussels, Belgium.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Wascos Sprlwascos.be HQ: Ecaussinnes, BelgiumReported employees: 1-10 | Ecaussinnes, Belgium | 1-10 | Exact match | 10 contacts → |
“Wascos has been offering high quality services of consulting engineering for 20 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 171 company matches
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Retrofitting consultants: dataset insights
November 6, 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
168 records in the displayed employee bands.
3 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 171 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: November 6, 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 retrofitting consultants?
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 retrofitting consultants did RevenueBase find based in Belgium?
The saved snapshot records 171 matching company records, 1,228 tracked contacts and 490 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: November 6, 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.
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Cite this list
RevenueBase Data Team. Top 25 retrofitting consultants based in Belgium. Snapshot: November 6, 2026. https://revenuebase.ai/companies/retrofitting-consultants/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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