Company lists · Data refreshed September 2026
Top 25 Energy efficiency retrofit companies based in Belgium
RevenueBase identified 98 company matches for energy efficiency retrofit companies associated with Belgium as of September 2026 and tracks 1,067 professional contacts across them, including 407 with verified work emails. Liege is the largest hub.
This list covers company matches for energy efficiency retrofit companies 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 16, 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 energy efficiency retrofit companies based in Belgium
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 120 contacts → | ||||
Exact match “Smappee is an energy technology company.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 115 contacts → | ||||
Exact match “Wij helpen industriële bedrijven hun energiekosten te verminderen.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 106 contacts → | ||||
Exact match “Reno Energy est une entreprise spécialisée dans le secteur de la rénovation énergétique mais aussi dans la nouvelle construction.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 74 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 61 contacts → | ||||
Exact match “Together, let’s take on the energy transition challenge!” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 24 contacts → | ||||
Exact match “DELPOWER is an energy efficiency engineering company dedicated to optimising energy costs for tertiary and industrial customers.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 24 contacts → | ||||
Exact match “Op maat van elke individuele klant werkt ESE de technisch optimale en meest economische oplossing uit voor hun specifieke energie problemen en dit steeds vanuit een ecologisch…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 23 contacts → | ||||
Exact match “Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 23 contacts → | ||||
Exact match “Soltis est une entreprise créée en 2008 qui accompagne professionnels et particuliers dans la mise en place de solutions vertes et rentables avec un seul but: améliorer…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 23 contacts → | ||||
Exact match “Cozie | Durable Comfort Cozie is a vibrant company that works with ENGIE to combine the energy and dynamism of a start-up with the technical competence & long-term vision of an…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 20 contacts → | ||||
Exact match “Chez Polarsun, nous concevons, installons et assurons le suivi de solutions énergétiques durables pour les particuliers, les entreprises et les collectivités.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 18 contacts → | ||||
Exact match “Emaze provides actionable energy advice for the industrial, service and public sector: Energy management - Implement an energy management system (e.g.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 17 contacts → | ||||
Exact match “nergie zonder zorgen Ga je bouwen?” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 16 contacts → | ||||
Exact match “At dnergy ®, we are committed to enabling asset and facility managers to enhance their building portfolios' energy efficiency and proactive compliance through our innovative dEEP…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 16 contacts → | ||||
Exact match “Wattson maakt van gebouwen de gangmakers van de energietransitie.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 15 contacts → | ||||
Exact match “L'activité de la société MATRIciel vise une MEILLEURE PERFORMANCE ENERGETIQUE ET ENVIRONNEMENTALE DES BATIMENTS dans le cadre du développement durable par une participation active…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 14 contacts → | ||||
Exact match “Denercon is an energy consulting company created by Michaël Deneve and is based in Antwerp, Belgium.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 12 contacts → | ||||
Exact match “Wij helpen jouw bedrijf van A tot Z om maatschappelijk verantwoord te ondernemen en op drie cruciale vlakken winst te boeken.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 11 contacts → | ||||
Exact match “Bewust omgaan met energie is voor zowel bedrijven als particulieren een hot topic.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 9 contacts → | ||||
Exact match “We are planning the path to climate neutrality.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 9 contacts → | ||||
Exact match “Cleys bv is jouw specialist in energetische renovaties.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match “Conscient que l'énergétique dans le bâtiment rencontre un triple enjeu : social, environnemental et économique, HOMECO se veut être un des acteurs principaux dans la…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 9 contacts → | ||||
Exact match “Dauvister (170+ employees, 30M€ turnover) studies, installs and maintains energy efficency systems for homeowners as well as for large companies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 9 contacts → | ||||
Exact match “Expert en solutions énergétiques, nous offrons une solution complète et sur mesure pour les projets de rénovation durable de nos clients.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “energy efficiency retrofit companies”. 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 98 energy efficiency retrofit companies based in Belgium
See the full list, filter by size, metro and specialty, and access 407 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Energy efficiency retrofit companies based in Belgium at a glance
As of Sep 16, 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 98 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 “energy efficiency retrofit companies” 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 407 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 16, 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 “energy efficiency retrofit companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy efficiency retrofit companies are there based in Belgium?
RevenueBase identified 98 company matches for energy efficiency retrofit companies 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?
Smappee tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most energy efficiency retrofit companies?
Liege leads with 3 company records, followed by Sint-Niklaas (3) and Antwerp (3).
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 407 professional contacts with verified work emails tracked across these 98 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 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 98 energy efficiency retrofit companies based in Belgium. Start with a free account, no credit card.
Download this list →Related lists
Energy efficiency retrofit companies by geography
- Energy efficiency retrofit companies based in Atlanta, United States
- Energy efficiency retrofit companies based in Denver, United States
- Energy efficiency retrofit companies based in Houston, United States
- Energy efficiency retrofit companies based in New York, United States
- Energy efficiency retrofit companies based in Australia
- Energy efficiency retrofit companies based in Austria
- Energy efficiency retrofit companies based in Brazil
- Energy efficiency retrofit companies based in Canada
- Energy efficiency retrofit companies based in Chile
- Energy efficiency retrofit companies based in Colombia
- Energy efficiency retrofit companies based in Czechia
- Energy efficiency retrofit companies based in Finland
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
- Energy efficiency retrofit companies based in Atlanta, United States
- Energy efficiency retrofit companies based in Denver, United States
- Energy efficiency retrofit companies based in Houston, United States
- Energy efficiency retrofit companies based in New York, United States
- Energy efficiency retrofit companies based in Australia
- Energy efficiency retrofit companies based in Austria
Company intelligence · public preview
Top 25 energy efficiency retrofit companies 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 98 matching company records for energy efficiency retrofit companies based in Belgium, with 1,067 tracked contacts and 407 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 16, 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 energy efficiency retrofit companies 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 |  Smappeesmappee.comHQ: Harelbeke, BelgiumReported employees: 51-200 | Harelbeke, Belgium | 51-200 | Exact match | 120 contacts → |
“Smappee is an energy technology company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  INDEAindea.beHQ: Aalst, BelgiumReported employees: Not recorded | Aalst, Belgium | Not recorded | Exact match | 115 contacts → |
“Wij helpen industriële bedrijven hun energiekosten te verminderen.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Reno Energyreno.energyHQ: Liège (angleur), BelgiumReported employees: 51-200 | Liège (angleur), Belgium | 51-200 | Exact match | 106 contacts → |
“Reno Energy est une entreprise spécialisée dans le secteur de la rénovation énergétique mais aussi dans la nouvelle construction.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Deplassedeplasse.comHQ: Watermael-boitsfort, BelgiumReported employees: 51-200 | Watermael-boitsfort, Belgium | 51-200 | Exact match | 74 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Luminus Solutionsluminussolutions.beHQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 61 contacts → |
“Together, let’s take on the energy transition challenge!” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Delpowerdelpower.beHQ: Thimister-clermont, BelgiumReported employees: 11-50 | Thimister-clermont, Belgium | 11-50 | Exact match | 24 contacts → |
“DELPOWER is an energy efficiency engineering company dedicated to optimising energy costs for tertiary and industrial customers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  ESEesegroup.beHQ: Veurne, BelgiumReported employees: 51-200 | Veurne, Belgium | 51-200 | Exact match | 24 contacts → |
“Op maat van elke individuele klant werkt ESE de technisch optimale en meest economische oplossing uit voor hun specifieke energie problemen en dit steeds vanuit een ecologisch…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Soltissoltis.beHQ: Evere, BelgiumReported employees: 11-50 | Evere, Belgium | 11-50 | Exact match | 23 contacts → |
“Soltis est une entreprise créée en 2008 qui accompagne professionnels et particuliers dans la mise en place de solutions vertes et rentables avec un seul but: améliorer…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  cozie.becozie.beHQ: België, BelgiumReported employees: 51-200 | België, Belgium | 51-200 | Exact match | 23 contacts → |
“Cozie | Durable Comfort Cozie is a vibrant company that works with ENGIE to combine the energy and dynamism of a start-up with the technical competence & long-term vision of an…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Polarsunpolarsun.beHQ: Barchon, BelgiumReported employees: 11-50 | Barchon, Belgium | 11-50 | Exact match | 20 contacts → |
“Chez Polarsun, nous concevons, installons et assurons le suivi de solutions énergétiques durables pour les particuliers, les entreprises et les collectivités.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  EMAZEemaze.beHQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 18 contacts → |
“Emaze provides actionable energy advice for the industrial, service and public sector: Energy management - Implement an energy management system (e.g.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Alfasunalfasun.beHQ: Ninove, BelgiumReported employees: 11-50 | Ninove, Belgium | 11-50 | Exact match | 17 contacts → |
“nergie zonder zorgen Ga je bouwen?” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Dnergydnergy.comHQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 16 contacts → |
“At dnergy ®, we are committed to enabling asset and facility managers to enhance their building portfolios' energy efficiency and proactive compliance through our innovative dEEP…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Wattson NVwattson.beHQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 16 contacts → |
“Wattson maakt van gebouwen de gangmakers van de energietransitie.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Matricielmatriciel.beHQ: Louvain-la-neuve, BelgiumReported employees: 11-50 | Louvain-la-neuve, Belgium | 11-50 | Exact match | 15 contacts → |
“L'activité de la société MATRIciel vise une MEILLEURE PERFORMANCE ENERGETIQUE ET ENVIRONNEMENTALE DES BATIMENTS dans le cadre du développement durable par une participation active…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Denercondenercon.beHQ: Berchem, BelgiumReported employees: 11-50 | Berchem, Belgium | 11-50 | Exact match | 14 contacts → |
“Denercon is an energy consulting company created by Michaël Deneve and is based in Antwerp, Belgium.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Ensatecensatec.beHQ: Genk, BelgiumReported employees: 1-10 | Genk, Belgium | 1-10 | Exact match | 12 contacts → |
“Wij helpen jouw bedrijf van A tot Z om maatschappelijk verantwoord te ondernemen en op drie cruciale vlakken winst te boeken.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  VDB Engineeringvdbengineering.comHQ: Mechelen, BelgiumReported employees: 11-50 | Mechelen, Belgium | 11-50 | Exact match | 11 contacts → |
“Bewust omgaan met energie is voor zowel bedrijven als particulieren een hot topic.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Factor4factor4.euHQ: Antwerp, BelgiumReported employees: 1-10 | Antwerp, Belgium | 1-10 | Exact match | 9 contacts → |
“We are planning the path to climate neutrality.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Homeco SRLhomeco.beHQ: Mons, BelgiumReported employees: 1-10 | Mons, Belgium | 1-10 | Exact match | 9 contacts → |
“Conscient que l'énergétique dans le bâtiment rencontre un triple enjeu : social, environnemental et économique, HOMECO se veut être un des acteurs principaux dans la…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Dauvisterdauvister.com HQ: Stavelot, BelgiumReported employees: 51-200 | Stavelot, Belgium | 51-200 | Exact match | 9 contacts → |
“Dauvister (170+ employees, 30M€ turnover) studies, installs and maintains energy efficency systems for homeowners as well as for large companies.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | OXIRAoxira.be HQ: Louvain-la-neuve, BelgiumReported employees: 11-50 | Louvain-la-neuve, Belgium | 11-50 | Exact match | 9 contacts → |
“Expert en solutions énergétiques, nous offrons une solution complète et sur mesure pour les projets de rénovation durable de nos clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 98 company matches
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Energy efficiency retrofit companies: dataset insights
September 16, 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
97 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 98 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 16, 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 energy efficiency retrofit companies?
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 energy efficiency retrofit companies did RevenueBase find based in Belgium?
The saved snapshot records 98 matching company records, 1,067 tracked contacts and 407 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 16, 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
Energy efficiency retrofit companies by geography
- Energy efficiency retrofit companies based in Atlanta, United States
- Energy efficiency retrofit companies based in Denver, United States
- Energy efficiency retrofit companies based in Houston, United States
- Energy efficiency retrofit companies based in New York, United States
- Energy efficiency retrofit companies based in Australia
- Energy efficiency retrofit companies based in Austria
- Energy efficiency retrofit companies based in Brazil
- Energy efficiency retrofit companies based in Canada
- Energy efficiency retrofit companies based in Chile
- Energy efficiency retrofit companies based in Colombia
- Energy efficiency retrofit companies based in Czechia
- Energy efficiency retrofit companies based in Finland
Cite this list
RevenueBase Data Team. Top 25 energy efficiency retrofit companies based in Belgium. Snapshot: September 16, 2026. https://revenuebase.ai/companies/energy-efficiency-retrofit-companies/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
- Energy efficiency retrofit companies based in Atlanta, United States
- Energy efficiency retrofit companies based in Denver, United States
- Energy efficiency retrofit companies based in Houston, United States
- Energy efficiency retrofit companies based in New York, United States
- Energy efficiency retrofit companies based in Australia
- Energy efficiency retrofit companies based in Austria
Company intelligence · public preview
Top 25 energy efficiency retrofit companies based in Belgium
RevenueBase records 98 matching company records for energy efficiency retrofit companies based in Belgium, with 1,067 tracked contacts and 407 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 16, 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 energy efficiency retrofit companies 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 | Smappeesmappee.com HQ: Harelbeke, BelgiumReported employees: 51-200 | Harelbeke, Belgium | 51-200 | Exact match | 120 contacts → |
“Smappee is an energy technology company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | INDEAindea.be HQ: Aalst, BelgiumReported employees: Not recorded | Aalst, Belgium | Not recorded | Exact match | 115 contacts → |
“Wij helpen industriële bedrijven hun energiekosten te verminderen.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Reno Energyreno.energy HQ: Liège (angleur), BelgiumReported employees: 51-200 | Liège (angleur), Belgium | 51-200 | Exact match | 106 contacts → |
“Reno Energy est une entreprise spécialisée dans le secteur de la rénovation énergétique mais aussi dans la nouvelle construction.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Deplassedeplasse.com HQ: Watermael-boitsfort, BelgiumReported employees: 51-200 | Watermael-boitsfort, Belgium | 51-200 | Exact match | 74 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Luminus Solutionsluminussolutions.be HQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 61 contacts → |
“Together, let’s take on the energy transition challenge!” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Delpowerdelpower.be HQ: Thimister-clermont, BelgiumReported employees: 11-50 | Thimister-clermont, Belgium | 11-50 | Exact match | 24 contacts → |
“DELPOWER is an energy efficiency engineering company dedicated to optimising energy costs for tertiary and industrial customers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ESEesegroup.be HQ: Veurne, BelgiumReported employees: 51-200 | Veurne, Belgium | 51-200 | Exact match | 24 contacts → |
“Op maat van elke individuele klant werkt ESE de technisch optimale en meest economische oplossing uit voor hun specifieke energie problemen en dit steeds vanuit een ecologisch…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Soltissoltis.be HQ: Evere, BelgiumReported employees: 11-50 | Evere, Belgium | 11-50 | Exact match | 23 contacts → |
“Soltis est une entreprise créée en 2008 qui accompagne professionnels et particuliers dans la mise en place de solutions vertes et rentables avec un seul but: améliorer…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | cozie.becozie.be HQ: België, BelgiumReported employees: 51-200 | België, Belgium | 51-200 | Exact match | 23 contacts → |
“Cozie | Durable Comfort Cozie is a vibrant company that works with ENGIE to combine the energy and dynamism of a start-up with the technical competence & long-term vision of an…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Polarsunpolarsun.be HQ: Barchon, BelgiumReported employees: 11-50 | Barchon, Belgium | 11-50 | Exact match | 20 contacts → |
“Chez Polarsun, nous concevons, installons et assurons le suivi de solutions énergétiques durables pour les particuliers, les entreprises et les collectivités.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | EMAZEemaze.be HQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 18 contacts → |
“Emaze provides actionable energy advice for the industrial, service and public sector: Energy management - Implement an energy management system (e.g.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Alfasunalfasun.be HQ: Ninove, BelgiumReported employees: 11-50 | Ninove, Belgium | 11-50 | Exact match | 17 contacts → |
“nergie zonder zorgen Ga je bouwen?” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Dnergydnergy.com HQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 16 contacts → |
“At dnergy ®, we are committed to enabling asset and facility managers to enhance their building portfolios' energy efficiency and proactive compliance through our innovative dEEP…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Wattson NVwattson.be HQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 16 contacts → |
“Wattson maakt van gebouwen de gangmakers van de energietransitie.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Matricielmatriciel.be HQ: Louvain-la-neuve, BelgiumReported employees: 11-50 | Louvain-la-neuve, Belgium | 11-50 | Exact match | 15 contacts → |
“L'activité de la société MATRIciel vise une MEILLEURE PERFORMANCE ENERGETIQUE ET ENVIRONNEMENTALE DES BATIMENTS dans le cadre du développement durable par une participation active…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Denercondenercon.be HQ: Berchem, BelgiumReported employees: 11-50 | Berchem, Belgium | 11-50 | Exact match | 14 contacts → |
“Denercon is an energy consulting company created by Michaël Deneve and is based in Antwerp, Belgium.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Ensatecensatec.be HQ: Genk, BelgiumReported employees: 1-10 | Genk, Belgium | 1-10 | Exact match | 12 contacts → |
“Wij helpen jouw bedrijf van A tot Z om maatschappelijk verantwoord te ondernemen en op drie cruciale vlakken winst te boeken.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | VDB Engineeringvdbengineering.com HQ: Mechelen, BelgiumReported employees: 11-50 | Mechelen, Belgium | 11-50 | Exact match | 11 contacts → |
“Bewust omgaan met energie is voor zowel bedrijven als particulieren een hot topic.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Factor4factor4.eu HQ: Antwerp, BelgiumReported employees: 1-10 | Antwerp, Belgium | 1-10 | Exact match | 9 contacts → |
“We are planning the path to climate neutrality.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Homeco SRLhomeco.be HQ: Mons, BelgiumReported employees: 1-10 | Mons, Belgium | 1-10 | Exact match | 9 contacts → |
“Conscient que l'énergétique dans le bâtiment rencontre un triple enjeu : social, environnemental et économique, HOMECO se veut être un des acteurs principaux dans la…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Dauvisterdauvister.com HQ: Stavelot, BelgiumReported employees: 51-200 | Stavelot, Belgium | 51-200 | Exact match | 9 contacts → |
“Dauvister (170+ employees, 30M€ turnover) studies, installs and maintains energy efficency systems for homeowners as well as for large companies.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | OXIRAoxira.be HQ: Louvain-la-neuve, BelgiumReported employees: 11-50 | Louvain-la-neuve, Belgium | 11-50 | Exact match | 9 contacts → |
“Expert en solutions énergétiques, nous offrons une solution complète et sur mesure pour les projets de rénovation durable de nos clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 98 company matches
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Energy efficiency retrofit companies: dataset insights
September 16, 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
97 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 98 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 16, 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 energy efficiency retrofit companies?
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 energy efficiency retrofit companies did RevenueBase find based in Belgium?
The saved snapshot records 98 matching company records, 1,067 tracked contacts and 407 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 16, 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 energy efficiency retrofit companies based in Belgium. Snapshot: September 16, 2026. https://revenuebase.ai/companies/energy-efficiency-retrofit-companies/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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