Company lists · Data refreshed October 2026
Top 13 Energy efficient retrofit contractors based in Switzerland
RevenueBase identified 36 company matches for energy efficient retrofit contractors associated with Switzerland as of October 2026 and tracks 242 professional contacts across them, including 105 with verified work emails. Geneva is the largest hub.
This list covers company matches for energy efficient retrofit contractors associated with Switzerland, 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 October 12, 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 13 largest energy efficient retrofit contractors based in Switzerland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 134 contacts → | ||||
Exact match “GLB ist die verlässliche Partnerin für Lebensräume – Die Expertin für energieeffiziente Sanierung, Neubau, Einfamilien- oder Mehrfamilienhaus, Gewerbe- oder Industriebau…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 2 | 21 contacts → | ||||
Exact match “Guggisberg ist der Berner Spezialist für Gebäudehülle und energetische Sanierungen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 3 | 12 contacts → | ||||
Exact match “Spécialiste en optimisation énergétique!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 4 | 10 contacts → | ||||
Exact match “EnerBat assure la gestion énergétique globale du bâtiment.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 5 | 5 contacts → | ||||
Exact match “Energieeffizienz, erneuerbare Energien und Komfort sind unsere Kernkompetenzen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 6 | 4 contacts → | ||||
Exact match “SANIERUNG/ERSATZANLAGEN Stimmen die Temperaturen oder Emissionswerte nicht mehr?” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 7 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 8 | 3 contacts → | ||||
Exact match “Notre engagement est de vous offrir l'excellence en matière d'analyse et d'optimisation des coûts énergétiques dans le respect du développement durable et responsable.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 9 | 3 contacts → | ||||
Exact match “UNYQUM – Architecture & Engineering è uno studio di architettura e ingegneria con sede in Ticino, specializzato in risanamenti energetici, perizie e consulenze tecniche, nonché…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 10 | 3 contacts → | ||||
Exact match “Die PROTEC Elektro AG unterstützt Sie bei Neu- und Umbauten von Gewerbe, Industrie- sowie Gebäudeinstallationen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 11 | 1 contacts → | ||||
Exact match “Ob energetische Sanierung, eine neue Küche, Bodenbeläge oder Dachausbau, unsere Fachleute beraten Sie bei kniffligen Fragen, helfen mit technischen Lösungen und setzen die…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 12 | 1 contacts → | ||||
Exact match “Wir sind spezialisiert auf Beratung für Energieeffizienz und erneuerbare Energien sowohl für Hauseigentümer als auch Gemeinden.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 13 | 1 contacts → | ||||
Exact match “Willkommen bei der Schönenberger Architektur Immobilien GmbH!” Recorded in the RevenueBase company graph · Oct 12, 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 efficient retrofit contractors”. 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 13 of 36 energy efficient retrofit contractors based in Switzerland
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Energy efficient retrofit contractors based in Switzerland at a glance
As of Oct 12, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 36 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 Switzerland whose business descriptions match “energy efficient retrofit contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. 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 105 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 October 12, 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 efficient retrofit contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy efficient retrofit contractors are there based in Switzerland?
RevenueBase identified 36 company matches for energy efficient retrofit contractors associated with Switzerland as of October 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?
GLB Genossenschaft tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most energy efficient retrofit contractors?
Geneva leads with 3 company records, followed by Forel Lavaux (2) and Bioggio (1).
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 105 professional contacts with verified work emails tracked across these 36 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 October 12, 2026.
Ready to reach these companies? Verified emails and direct dials for all 36 energy efficient retrofit contractors based in Switzerland. Start with a free account, no credit card.
Download this list →Related lists
Energy efficient retrofit contractors by geography
- Energy efficient retrofit contractors based in Paris, France
- Energy efficient retrofit contractors based in New York, United States
- Energy efficient retrofit contractors based in Australia
- Energy efficient retrofit contractors based in Belgium
- Energy efficient retrofit contractors based in Brazil
- Energy efficient retrofit contractors based in Canada
- Energy efficient retrofit contractors based in France
- Energy efficient retrofit contractors based in Germany
- Energy efficient retrofit contractors based in Ireland
- Energy efficient retrofit contractors based in Italy
- Energy efficient retrofit contractors based in the Netherlands
- Energy efficient retrofit contractors based in Spain
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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- New lists
- Energy efficient retrofit contractors based in Paris, France
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Company intelligence · public preview
Top 13 energy efficient retrofit contractors based in Switzerland
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 36 matching company records for energy efficient retrofit contractors based in Switzerland, with 242 tracked contacts and 105 verified work emails.
This public preview shows 13 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 12, 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 13 energy efficient retrofit contractors based in Switzerland
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 | GLB Genossenschaftglb.ch HQ: Langnau, SwitzerlandReported employees: 501-1,000 | Langnau, Switzerland | 501-1,000 | Exact match | 134 contacts → |
“GLB ist die verlässliche Partnerin für Lebensräume – Die Expertin für energieeffiziente Sanierung, Neubau, Einfamilien- oder Mehrfamilienhaus, Gewerbe- oder Industriebau…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Guggisberg Dach Fassade Energieguggisberg-bern.ch HQ: Wabern, SwitzerlandReported employees: 51-200 | Wabern, Switzerland | 51-200 | Exact match | 21 contacts → |
“Guggisberg ist der Berner Spezialist für Gebäudehülle und energetische Sanierungen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Home Intelligence Sàrlhomeintelligence-group.chHQ: Lonay, SwitzerlandReported employees: 11-50 | Lonay, Switzerland | 11-50 | Exact match | 12 contacts → |
“Spécialiste en optimisation énergétique!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Enerbat SAenerbat.chHQ: Geneva, SwitzerlandReported employees: 1-10 | Geneva, Switzerland | 1-10 | Exact match | 10 contacts → |
“EnerBat assure la gestion énergétique globale du bâtiment.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Schaffhausen, SwitzerlandReported employees: 11-50 | Schaffhausen, Switzerland | 11-50 | Exact match | 5 contacts → |
“Energieeffizienz, erneuerbare Energien und Komfort sind unsere Kernkompetenzen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ammann Schmid AGammann-schmid.chHQ: Uster, SwitzerlandReported employees: 11-50 | Uster, Switzerland | 11-50 | Exact match | 4 contacts → |
“SANIERUNG/ERSATZANLAGEN Stimmen die Temperaturen oder Emissionswerte nicht mehr?” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Burkhardt Heizung UND Sanitär AGburkhardt.ch HQ: Dübendorf, SwitzerlandReported employees: 11-50 | Dübendorf, Switzerland | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Helvetia Energyhelvetia-energy.ch HQ: Geneva, SwitzerlandReported employees: 11-50 | Geneva, Switzerland | 11-50 | Exact match | 3 contacts → |
“Notre engagement est de vous offrir l'excellence en matière d'analyse et d'optimisation des coûts énergétiques dans le respect du développement durable et responsable.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Unyqumunyqum.ch HQ: Novazzano, SwitzerlandReported employees: 1-10 | Novazzano, Switzerland | 1-10 | Exact match | 3 contacts → |
“UNYQUM – Architecture & Engineering è uno studio di architettura e ingegneria con sede in Ticino, specializzato in risanamenti energetici, perizie e consulenze tecniche, nonché…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Protec Elektro AGprotec-elektro.ch HQ: Horw, SwitzerlandReported employees: 11-50 | Horw, Switzerland | 11-50 | Exact match | 3 contacts → |
“Die PROTEC Elektro AG unterstützt Sie bei Neu- und Umbauten von Gewerbe, Industrie- sowie Gebäudeinstallationen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ismont AGismont.ch HQ: 8468 Waltalingen, SwitzerlandReported employees: 11-50 | 8468 Waltalingen, Switzerland | 11-50 | Exact match | 1 contacts → |
“Ob energetische Sanierung, eine neue Küche, Bodenbeläge oder Dachausbau, unsere Fachleute beraten Sie bei kniffligen Fragen, helfen mit technischen Lösungen und setzen die…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Energieeffektenergieeffekt.ch HQ: Gipf-oberfrick, SwitzerlandReported employees: 1-10 | Gipf-oberfrick, Switzerland | 1-10 | Exact match | 1 contacts → |
“Wir sind spezialisiert auf Beratung für Energieeffizienz und erneuerbare Energien sowohl für Hauseigentümer als auch Gemeinden.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Wilen B. Wil, SwitzerlandReported employees: 1-10 | Wilen B. Wil, Switzerland | 1-10 | Exact match | 1 contacts → |
“Willkommen bei der Schönenberger Architektur Immobilien GmbH!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 13 of 36 company matches
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Energy efficient retrofit contractors: dataset insights
October 12, 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
36 records in the displayed employee bands.
0 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 Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 36 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: October 12, 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 efficient retrofit contractors?
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 efficient retrofit contractors did RevenueBase find based in Switzerland?
The saved snapshot records 36 matching company records, 242 tracked contacts and 105 verified emails. The public preview displays 13 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: October 12, 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 efficient retrofit contractors by geography
- Energy efficient retrofit contractors based in Paris, France
- Energy efficient retrofit contractors based in New York, United States
- Energy efficient retrofit contractors based in Australia
- Energy efficient retrofit contractors based in Belgium
- Energy efficient retrofit contractors based in Brazil
- Energy efficient retrofit contractors based in Canada
- Energy efficient retrofit contractors based in France
- Energy efficient retrofit contractors based in Germany
- Energy efficient retrofit contractors based in Ireland
- Energy efficient retrofit contractors based in Italy
- Energy efficient retrofit contractors based in the Netherlands
- Energy efficient retrofit contractors based in Spain
Cite this list
RevenueBase Data Team. Top 13 energy efficient retrofit contractors based in Switzerland. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficient-retrofit-contractors/switzerland.
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 efficient retrofit contractors based in Paris, France
- Energy efficient retrofit contractors based in New York, United States
- Energy efficient retrofit contractors based in Australia
- Energy efficient retrofit contractors based in Belgium
- Energy efficient retrofit contractors based in Brazil
- Energy efficient retrofit contractors based in Canada
Company intelligence · public preview
Top 13 energy efficient retrofit contractors based in Switzerland
RevenueBase records 36 matching company records for energy efficient retrofit contractors based in Switzerland, with 242 tracked contacts and 105 verified work emails.
This public preview shows 13 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 12, 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 13 energy efficient retrofit contractors based in Switzerland
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 | GLB Genossenschaftglb.ch HQ: Langnau, SwitzerlandReported employees: 501-1,000 | Langnau, Switzerland | 501-1,000 | Exact match | 134 contacts → |
“GLB ist die verlässliche Partnerin für Lebensräume – Die Expertin für energieeffiziente Sanierung, Neubau, Einfamilien- oder Mehrfamilienhaus, Gewerbe- oder Industriebau…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Guggisberg Dach Fassade Energieguggisberg-bern.ch HQ: Wabern, SwitzerlandReported employees: 51-200 | Wabern, Switzerland | 51-200 | Exact match | 21 contacts → |
“Guggisberg ist der Berner Spezialist für Gebäudehülle und energetische Sanierungen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Home Intelligence Sàrlhomeintelligence-group.ch HQ: Lonay, SwitzerlandReported employees: 11-50 | Lonay, Switzerland | 11-50 | Exact match | 12 contacts → |
“Spécialiste en optimisation énergétique!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Enerbat SAenerbat.ch HQ: Geneva, SwitzerlandReported employees: 1-10 | Geneva, Switzerland | 1-10 | Exact match | 10 contacts → |
“EnerBat assure la gestion énergétique globale du bâtiment.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Schaffhausen, SwitzerlandReported employees: 11-50 | Schaffhausen, Switzerland | 11-50 | Exact match | 5 contacts → |
“Energieeffizienz, erneuerbare Energien und Komfort sind unsere Kernkompetenzen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ammann Schmid AGammann-schmid.ch HQ: Uster, SwitzerlandReported employees: 11-50 | Uster, Switzerland | 11-50 | Exact match | 4 contacts → |
“SANIERUNG/ERSATZANLAGEN Stimmen die Temperaturen oder Emissionswerte nicht mehr?” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Burkhardt Heizung UND Sanitär AGburkhardt.ch HQ: Dübendorf, SwitzerlandReported employees: 11-50 | Dübendorf, Switzerland | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Helvetia Energyhelvetia-energy.ch HQ: Geneva, SwitzerlandReported employees: 11-50 | Geneva, Switzerland | 11-50 | Exact match | 3 contacts → |
“Notre engagement est de vous offrir l'excellence en matière d'analyse et d'optimisation des coûts énergétiques dans le respect du développement durable et responsable.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Unyqumunyqum.ch HQ: Novazzano, SwitzerlandReported employees: 1-10 | Novazzano, Switzerland | 1-10 | Exact match | 3 contacts → |
“UNYQUM – Architecture & Engineering è uno studio di architettura e ingegneria con sede in Ticino, specializzato in risanamenti energetici, perizie e consulenze tecniche, nonché…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Protec Elektro AGprotec-elektro.ch HQ: Horw, SwitzerlandReported employees: 11-50 | Horw, Switzerland | 11-50 | Exact match | 3 contacts → |
“Die PROTEC Elektro AG unterstützt Sie bei Neu- und Umbauten von Gewerbe, Industrie- sowie Gebäudeinstallationen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ismont AGismont.ch HQ: 8468 Waltalingen, SwitzerlandReported employees: 11-50 | 8468 Waltalingen, Switzerland | 11-50 | Exact match | 1 contacts → |
“Ob energetische Sanierung, eine neue Küche, Bodenbeläge oder Dachausbau, unsere Fachleute beraten Sie bei kniffligen Fragen, helfen mit technischen Lösungen und setzen die…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Energieeffektenergieeffekt.ch HQ: Gipf-oberfrick, SwitzerlandReported employees: 1-10 | Gipf-oberfrick, Switzerland | 1-10 | Exact match | 1 contacts → |
“Wir sind spezialisiert auf Beratung für Energieeffizienz und erneuerbare Energien sowohl für Hauseigentümer als auch Gemeinden.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Wilen B. Wil, SwitzerlandReported employees: 1-10 | Wilen B. Wil, Switzerland | 1-10 | Exact match | 1 contacts → |
“Willkommen bei der Schönenberger Architektur Immobilien GmbH!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 13 of 36 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Energy efficient retrofit contractors: dataset insights
October 12, 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
36 records in the displayed employee bands.
0 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 Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 36 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: October 12, 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 efficient retrofit contractors?
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 efficient retrofit contractors did RevenueBase find based in Switzerland?
The saved snapshot records 36 matching company records, 242 tracked contacts and 105 verified emails. The public preview displays 13 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: October 12, 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 13 energy efficient retrofit contractors based in Switzerland. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficient-retrofit-contractors/switzerland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Energy efficient retrofit contractors based in Paris, France
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