Company lists · Data refreshed September 2026
Top 15 Energy engineering firms based in Luxembourg
RevenueBase identified 27 company matches for energy engineering firms associated with Luxembourg as of September 2026 and tracks 288 professional contacts across them, including 165 with verified work emails. Luxembourg is the largest hub.
This list covers company matches for energy engineering firms associated with Luxembourg, 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 15 largest energy engineering firms based in Luxembourg
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 69 contacts → | ||||
Exact match “Goblet Lavandier & Associés est un des plus grands bureaux d’ingénieurs-conseils luxembourgeois spécialisé en génie technique et énergétique.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 56 contacts → | ||||
Exact match “Créé en 2005 le bureau d’études SIX Consulting & Engineering SA comprend une équipe de 65 personnes et propose ses services en - Architecture - Stabilité - Techniques Spéciales -…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 32 contacts → | ||||
Exact match “L’energieagence propose des services dans les domaines de l’efficacité énergétique et des sources d’énergie renouvelables avec un accent sur le conseil et la formation.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 19 contacts → | ||||
Exact match “BuildTec est un bureau d’étude spécialisé dans les énergies et dans les techniques du bâtiment.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 17 contacts → | ||||
Exact match “ENG] We believe that only conscious and responsible actions will help us ensure a safe and stable energy future.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 10 contacts → | ||||
Exact match “Nos prestations comprennent les domaines de l'énergie, la physique, l'écologie et les techniques du bâtiment.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 9 contacts → | ||||
Exact match “Bureau d'études” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 5 contacts → | ||||
Exact match “Plus de 25 ans d'existence de la première société fondatrice du Groupe Ciex.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 4 contacts → | ||||
Exact match “Active au Grand-Duché de Luxembourg et en Wallonie, EG Energy est un bureau d’ingénieurs-conseils spécialisé dans l’étude énergétique des bâtiments pour les entreprises publiques…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 3 contacts → | ||||
Exact match “eco:novis bietet zukunftsorientierte Lösungen für eine nachhaltige Energie- und Umweltwirtschaft und erbringt Ingenieurdienstleistungen.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 3 contacts → | ||||
Exact match “Low Energy Consulting : La Conception et l'Optimisation de vos Infrastructures Critiques.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 3 contacts → | ||||
Exact match “IDES Engineering is a green building "boutique" engineering firm, dedicated to energy-efficient and sustainable real estate projects since 2008.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 2 contacts → | ||||
Exact match “Unser Ingenieurbüro in Manternach begleitet Bauprojekte im privaten und gewerblichen Bereich in ganz Luxemburg, und der Großregion.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 1 contacts → | ||||
Exact match “We are the engineering one-stop-shop in the field of thermo-fluid dynamics.” 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 engineering firms”. 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 15 of 27 energy engineering firms based in Luxembourg
See the full list, filter by size, metro and specialty, and access 165 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Energy engineering firms based in Luxembourg at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Luxembourg, so it is reported there. Company counts and contact totals on this page are exact for Luxembourg, over 27 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 Luxembourg whose business descriptions match “energy engineering firms” 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 165 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 engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy engineering firms are there based in Luxembourg?
RevenueBase identified 27 company matches for energy engineering firms associated with Luxembourg 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?
Goblet Lavandier & Associés S.A tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most energy engineering firms?
Luxembourg leads with 4 company records, followed by Howald (2) and Steinfort (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 165 professional contacts with verified work emails tracked across these 27 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 27 energy engineering firms based in Luxembourg. Start with a free account, no credit card.
Download this list →Related lists
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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- Energy engineering firms based in Brisbane, Australia
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Company intelligence · public preview
Top 15 energy engineering firms based in Luxembourg
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 27 matching company records for energy engineering firms based in Luxembourg, with 288 tracked contacts and 165 verified work emails.
This public preview shows 15 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 15 energy engineering firms based in Luxembourg
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 |  Goblet Lavandier & Associés S.Agolav.luHQ: Niederanven, LuxembourgReported employees: 51-200 | Niederanven, Luxembourg | 51-200 | Exact match | 69 contacts → |
“Goblet Lavandier & Associés est un des plus grands bureaux d’ingénieurs-conseils luxembourgeois spécialisé en génie technique et énergétique.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  SIX Consulting & Engineering SAsix-eng.euHQ: Windhof, LuxembourgReported employees: 51-200 | Windhof, Luxembourg | 51-200 | Exact match | 56 contacts → |
“Créé en 2005 le bureau d’études SIX Consulting & Engineering SA comprend une équipe de 65 personnes et propose ses services en - Architecture - Stabilité - Techniques Spéciales -…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Energieagence Agence DE L'energie S.Aenergieagence.luHQ: Howald, LuxembourgReported employees: 11-50 | Howald, Luxembourg | 11-50 | Exact match | 32 contacts → |
“L’energieagence propose des services dans les domaines de l’efficacité énergétique et des sources d’énergie renouvelables avec un accent sur le conseil et la formation.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Buildtecbuildtec.luHQ: Steinfort, LuxembourgReported employees: 1-10 | Steinfort, Luxembourg | 1-10 | Exact match | 19 contacts → |
“BuildTec est un bureau d’étude spécialisé dans les énergies et dans les techniques du bâtiment.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Voltmax Sarlvoltmax.luHQ: Soleuvre, LuxembourgReported employees: 11-50 | Soleuvre, Luxembourg | 11-50 | Exact match | 17 contacts → |
“ENG] We believe that only conscious and responsible actions will help us ensure a safe and stable energy future.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Entec Ingénieurs-Conseilsentec.luHQ: Pétange, LuxembourgReported employees: 11-50 | Pétange, Luxembourg | 11-50 | Exact match | 10 contacts → |
“Nos prestations comprennent les domaines de l'énergie, la physique, l'écologie et les techniques du bâtiment.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Betatec Ingénieurs-Conseils S.À R.Lbetatec.luHQ: Heiderscheid, LuxembourgReported employees: 1-10 | Heiderscheid, Luxembourg | 1-10 | Exact match | 9 contacts → |
“Bureau d'études” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ciex Sàrlciex.eu HQ: Windhof, LuxembourgReported employees: 11-50 | Windhof, Luxembourg | 11-50 | Exact match | 5 contacts → |
“Plus de 25 ans d'existence de la première société fondatrice du Groupe Ciex.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Siegel Schleimer Ingénieurs-Conseils S.À R.Lsiegelschleimer.lu HQ: Esch-sur-alzette, LuxembourgReported employees: 1-10 | Esch-sur-alzette, Luxembourg | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  EG Energyegenergy.euHQ: Beckerich, LuxembourgReported employees: 1-10 | Beckerich, Luxembourg | 1-10 | Exact match | 4 contacts → |
“Active au Grand-Duché de Luxembourg et en Wallonie, EG Energy est un bureau d’ingénieurs-conseils spécialisé dans l’étude énergétique des bâtiments pour les entreprises publiques…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ECO Novis S.À R.L. Ingénieurs-Conseilseconovis.luHQ: Contern, LuxembourgReported employees: 1-10 | Contern, Luxembourg | 1-10 | Exact match | 3 contacts → |
“eco:novis bietet zukunftsorientierte Lösungen für eine nachhaltige Energie- und Umweltwirtschaft und erbringt Ingenieurdienstleistungen.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  LEC Critical Infra. Experts & Creators Dc, Data-Telecom, Irve,.. LOW Energy Consulting Luxembourglowenergyconsulting.euHQ: Windhof, LuxembourgReported employees: 1-10 | Windhof, Luxembourg | 1-10 | Exact match | 3 contacts → |
“Low Energy Consulting : La Conception et l'Optimisation de vos Infrastructures Critiques.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ides Sàrlides.luHQ: Steinfort, LuxembourgReported employees: 1-10 | Steinfort, Luxembourg | 1-10 | Exact match | 3 contacts → |
“IDES Engineering is a green building "boutique" engineering firm, dedicated to energy-efficient and sustainable real estate projects since 2008.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lux-Ibea S.À R.Llux-ibea.lu HQ: Manternach, LuxembourgReported employees: 1-10 | Manternach, Luxembourg | 1-10 | Exact match | 2 contacts → |
“Unser Ingenieurbüro in Manternach begleitet Bauprojekte im privaten und gewerblichen Bereich in ganz Luxemburg, und der Großregion.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Nuflo S.À R.Lnuflo.euHQ: Hovelange, LuxembourgReported employees: 1-10 | Hovelange, Luxembourg | 1-10 | Exact match | 1 contacts → |
“We are the engineering one-stop-shop in the field of thermo-fluid dynamics.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 27 company matches
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Energy engineering firms: 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
26 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 Luxembourg, so it is reported there. Company counts and contact totals on this page are exact for Luxembourg, over 27 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 engineering firms?
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 engineering firms did RevenueBase find based in Luxembourg?
The saved snapshot records 27 matching company records, 288 tracked contacts and 165 verified emails. The public preview displays 15 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 engineering firms by geography
- Energy engineering firms based in Brisbane, Australia
- Energy engineering firms based in Melbourne, Australia
- Energy engineering firms based in Sydney, Australia
- Energy engineering firms based in Belo Horizonte, Brazil
- Energy engineering firms based in Curitiba, Brazil
- Energy engineering firms based in Rio De Janeiro, Brazil
- Energy engineering firms based in Sao Paulo, Brazil
- Energy engineering firms based in Calgary, Canada
- Energy engineering firms based in Edmonton, Canada
- Energy engineering firms based in Montreal, Canada
- Energy engineering firms based in Toronto, Canada
- Energy engineering firms based in Vancouver, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 15 energy engineering firms based in Luxembourg. Snapshot: September 16, 2026. https://revenuebase.ai/companies/energy-engineering-firms/luxembourg.
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 engineering firms based in Brisbane, Australia
- Energy engineering firms based in Melbourne, Australia
- Energy engineering firms based in Sydney, Australia
- Energy engineering firms based in Belo Horizonte, Brazil
- Energy engineering firms based in Curitiba, Brazil
- Energy engineering firms based in Rio De Janeiro, Brazil
Company intelligence · public preview
Top 15 energy engineering firms based in Luxembourg
RevenueBase records 27 matching company records for energy engineering firms based in Luxembourg, with 288 tracked contacts and 165 verified work emails.
This public preview shows 15 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 15 energy engineering firms based in Luxembourg
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 | Goblet Lavandier & Associés S.Agolav.lu HQ: Niederanven, LuxembourgReported employees: 51-200 | Niederanven, Luxembourg | 51-200 | Exact match | 69 contacts → |
“Goblet Lavandier & Associés est un des plus grands bureaux d’ingénieurs-conseils luxembourgeois spécialisé en génie technique et énergétique.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SIX Consulting & Engineering SAsix-eng.eu HQ: Windhof, LuxembourgReported employees: 51-200 | Windhof, Luxembourg | 51-200 | Exact match | 56 contacts → |
“Créé en 2005 le bureau d’études SIX Consulting & Engineering SA comprend une équipe de 65 personnes et propose ses services en - Architecture - Stabilité - Techniques Spéciales -…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Energieagence Agence DE L'energie S.Aenergieagence.lu HQ: Howald, LuxembourgReported employees: 11-50 | Howald, Luxembourg | 11-50 | Exact match | 32 contacts → |
“L’energieagence propose des services dans les domaines de l’efficacité énergétique et des sources d’énergie renouvelables avec un accent sur le conseil et la formation.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Buildtecbuildtec.lu HQ: Steinfort, LuxembourgReported employees: 1-10 | Steinfort, Luxembourg | 1-10 | Exact match | 19 contacts → |
“BuildTec est un bureau d’étude spécialisé dans les énergies et dans les techniques du bâtiment.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Voltmax Sarlvoltmax.lu HQ: Soleuvre, LuxembourgReported employees: 11-50 | Soleuvre, Luxembourg | 11-50 | Exact match | 17 contacts → |
“ENG] We believe that only conscious and responsible actions will help us ensure a safe and stable energy future.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Entec Ingénieurs-Conseilsentec.lu HQ: Pétange, LuxembourgReported employees: 11-50 | Pétange, Luxembourg | 11-50 | Exact match | 10 contacts → |
“Nos prestations comprennent les domaines de l'énergie, la physique, l'écologie et les techniques du bâtiment.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Betatec Ingénieurs-Conseils S.À R.Lbetatec.lu HQ: Heiderscheid, LuxembourgReported employees: 1-10 | Heiderscheid, Luxembourg | 1-10 | Exact match | 9 contacts → |
“Bureau d'études” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ciex Sàrlciex.eu HQ: Windhof, LuxembourgReported employees: 11-50 | Windhof, Luxembourg | 11-50 | Exact match | 5 contacts → |
“Plus de 25 ans d'existence de la première société fondatrice du Groupe Ciex.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Siegel Schleimer Ingénieurs-Conseils S.À R.Lsiegelschleimer.lu HQ: Esch-sur-alzette, LuxembourgReported employees: 1-10 | Esch-sur-alzette, Luxembourg | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | EG Energyegenergy.eu HQ: Beckerich, LuxembourgReported employees: 1-10 | Beckerich, Luxembourg | 1-10 | Exact match | 4 contacts → |
“Active au Grand-Duché de Luxembourg et en Wallonie, EG Energy est un bureau d’ingénieurs-conseils spécialisé dans l’étude énergétique des bâtiments pour les entreprises publiques…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ECO Novis S.À R.L. Ingénieurs-Conseilseconovis.lu HQ: Contern, LuxembourgReported employees: 1-10 | Contern, Luxembourg | 1-10 | Exact match | 3 contacts → |
“eco:novis bietet zukunftsorientierte Lösungen für eine nachhaltige Energie- und Umweltwirtschaft und erbringt Ingenieurdienstleistungen.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | LEC Critical Infra. Experts & Creators Dc, Data-Telecom, Irve,.. LOW Energy Consulting Luxembourglowenergyconsulting.eu HQ: Windhof, LuxembourgReported employees: 1-10 | Windhof, Luxembourg | 1-10 | Exact match | 3 contacts → |
“Low Energy Consulting : La Conception et l'Optimisation de vos Infrastructures Critiques.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ides Sàrlides.lu HQ: Steinfort, LuxembourgReported employees: 1-10 | Steinfort, Luxembourg | 1-10 | Exact match | 3 contacts → |
“IDES Engineering is a green building "boutique" engineering firm, dedicated to energy-efficient and sustainable real estate projects since 2008.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lux-Ibea S.À R.Llux-ibea.lu HQ: Manternach, LuxembourgReported employees: 1-10 | Manternach, Luxembourg | 1-10 | Exact match | 2 contacts → |
“Unser Ingenieurbüro in Manternach begleitet Bauprojekte im privaten und gewerblichen Bereich in ganz Luxemburg, und der Großregion.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Nuflo S.À R.Lnuflo.eu HQ: Hovelange, LuxembourgReported employees: 1-10 | Hovelange, Luxembourg | 1-10 | Exact match | 1 contacts → |
“We are the engineering one-stop-shop in the field of thermo-fluid dynamics.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 27 company matches
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Energy engineering firms: 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
26 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 Luxembourg, so it is reported there. Company counts and contact totals on this page are exact for Luxembourg, over 27 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 engineering firms?
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 engineering firms did RevenueBase find based in Luxembourg?
The saved snapshot records 27 matching company records, 288 tracked contacts and 165 verified emails. The public preview displays 15 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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Browse the directory
Cite this list
RevenueBase Data Team. Top 15 energy engineering firms based in Luxembourg. Snapshot: September 16, 2026. https://revenuebase.ai/companies/energy-engineering-firms/luxembourg.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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