Company lists · Data refreshed September 2026
Top 25 Building systems engineering firms based in Switzerland
RevenueBase identified 293 company matches for building systems engineering firms associated with Switzerland as of September 2026 and tracks 3,306 professional contacts across them, including 1,690 with verified work emails. Zurich is the largest hub.
This list covers company matches for building systems engineering firms 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 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 building systems engineering firms based in Switzerland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 563 contacts → | ||||
Exact match “Ü Ingenieurskunst bedeutet, mit Ressourcen richtig umzugehen.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 462 contacts → | ||||
Exact match “Gruner at a glance Founded: 1862 in Basel, Switzerland Legal form: Since 1970, public limited company owned by the founding families and employees Employees: more than 1,200 from…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 73 contacts → | ||||
Exact match “Gebäudetechniker” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 67 contacts → | ||||
Exact match “Wir sind nicht nur Elektroingenieure.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 66 contacts → | ||||
Exact match “Als führendes Ingenieurunternehmen sind wir in allen Gebäudetechnikgebieten zu Hause.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 62 contacts → | ||||
Exact match “Als führendes Ingenieur- und Planungsunternehmen in den Bereichen Gebäude, Energie- und Umwelttechnik realisiert die RMB Engineering AG massgeschneiderte Lösungen für…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 47 contacts → | ||||
Exact match “Energie- & Gebäudetechnik” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 46 contacts → | ||||
Exact match “AFC AG gestaltet die Zukunft des energieeffizienten, nachhaltigen und sicheren Bauens.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 43 contacts → | ||||
Exact match “Ingenieure für Gebäudetechnik mit über 100 Mitarbeiterinnen und Mitarbeiter.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 41 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 33 contacts → | ||||
Exact match “Bureau d'études CVCSE, Energie, Automatisme du bâtiment, MCR, Physique du bâtiment.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 32 contacts → | ||||
Exact match “Wir sind ein erfolgreiches Ingenieur, Planungs- und Beratungsunternehmen im Bereich der Energie- und Gebäudetechnik.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 31 contacts → | ||||
Exact match “Evolve SA è una società di ingegneria svizzera con oltre 15 anni di esperienza nella progettazione tecnica, realizzazione e gestione di edifici e infrastrutture.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 29 contacts → | ||||
Exact match “Situé à Yverdon-les-Bains et à Lausanne, ENERGA SA est un bureau d’ingénieurs-conseils EPFL-SIA actif sur l’ensemble de la Suisse romande.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 29 contacts → | ||||
Exact match “LCA Automation AG - Alles aus einer Hand!” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 27 contacts → | ||||
Exact match “B+S INGENIEURS SA est composé de 37 collaborateurs bénéficiant de compétences élargies dans les domaines de l’ingénierie structurale (structures porteuses et ouvrages d’art), du…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 27 contacts → | ||||
Exact match “La marque az ingénieurs regroupe des sociétés privées réunissant des ingénieurs-conseils dans les domaines de l'énergie, de la sécurité et des installations techniques pour le…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 27 contacts → | ||||
Exact match “La Tech-Insta nasce a fine 1995 con un’operazione di “management buy-out” dalla Filiale di Lugano del gruppo tecnologico Sulzer, continuandone l’attività nel settore…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 26 contacts → | ||||
Exact match “EPRO ENGINEERING ist eine unabhängige und neutrale Gebäudetechnikplanungsfirma.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 25 contacts → | ||||
Exact match “IFEC ingegneria SA is a consulting company in the field of energy, building physics, acoustics and applied environmental sciences.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 24 contacts → | ||||
Exact match “Die Klinova AG ist Ihr Systemprofi im Bereich der Gebäude, Energie- und Prozesstechnik.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 24 contacts → | ||||
Exact match “Die Willi Gebäudetechnik AG mit Sitz in Chur wurde 1890 gegründet und ist vorwiegend im Kanton Graubünden tätig.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 23 contacts → | ||||
Exact match “Unsere inhabergeführte Unternehmensstruktur verkürzt Kommunikations- und Entscheidungswege für Bauherren und Auftraggeber massgeblich.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 22 contacts → | ||||
Exact match “Neutrale Beratung LFS berät Architekten und Bauherren als neutraler Partner.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 22 contacts → | ||||
Exact match “Ihre Experten für massgeschneiderte Software- und Hardwarelösungen seit 35 Jahren Auf der Suche nach anspruchsvollen und innovativen Produkten im Bereich Software- und…” 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 “building systems 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 25 of 293 building systems engineering firms based in Switzerland
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Building systems engineering firms based in Switzerland at a glance
As of Sep 16, 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 293 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 “building systems 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 1,690 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 “building systems engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many building systems engineering firms are there based in Switzerland?
RevenueBase identified 293 company matches for building systems engineering firms associated with Switzerland 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?
Amstein Walthert tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most building systems engineering firms?
Zurich leads with 27 company records, followed by Bern (10) and Lausanne (8).
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 1,690 professional contacts with verified work emails tracked across these 293 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 293 building systems engineering firms based in Switzerland. 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.
More company lists
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- New lists
- Building systems engineering firms based in Belo Horizonte, Brazil
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Company intelligence · public preview
Top 25 building systems engineering firms 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 293 matching company records for building systems engineering firms based in Switzerland, with 3,306 tracked contacts and 1,690 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 building systems engineering firms 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 |  Amstein Walthertamstein-walthert.chHQ: Zurich, SwitzerlandReported employees: 1,001-5,000 | Zurich, Switzerland | 1,001-5,000 | Exact match | 563 contacts → |
“Ü Ingenieurskunst bedeutet, mit Ressourcen richtig umzugehen.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Grunergruner.chHQ: Basel, SwitzerlandReported employees: 1,001-5,000 | Basel, Switzerland | 1,001-5,000 | Exact match | 462 contacts → |
“Gruner at a glance Founded: 1862 in Basel, Switzerland Legal form: Since 1970, public limited company owned by the founding families and employees Employees: more than 1,200 from…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Koster AGkosterag.chHQ: Zurich, SwitzerlandReported employees: 201-500 | Zurich, Switzerland | 201-500 | Exact match | 73 contacts → |
“Gebäudetechniker” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Boess Gruppeboess.chHQ: Bern, SwitzerlandReported employees: 51-200 | Bern, Switzerland | 51-200 | Exact match | 67 contacts → |
“Wir sind nicht nur Elektroingenieure.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  R B Engineering AGrbeag.comHQ: Brugg, SwitzerlandReported employees: 51-200 | Brugg, Switzerland | 51-200 | Exact match | 66 contacts → |
“Als führendes Ingenieurunternehmen sind wir in allen Gebäudetechnikgebieten zu Hause.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  RMB Engineering AGrmb.chHQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 62 contacts → |
“Als führendes Ingenieur- und Planungsunternehmen in den Bereichen Gebäude, Energie- und Umwelttechnik realisiert die RMB Engineering AG massgeschneiderte Lösungen für…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lauber Iwisa AGlauber-iwisa.ch HQ: Naters, SwitzerlandReported employees: 201-500 | Naters, Switzerland | 201-500 | Exact match | 47 contacts → |
“Energie- & Gebäudetechnik” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 46 contacts → |
“AFC AG gestaltet die Zukunft des energieeffizienten, nachhaltigen und sicheren Bauens.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  PZM AGpzm.chHQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 43 contacts → |
“Ingenieure für Gebäudetechnik mit über 100 Mitarbeiterinnen und Mitarbeiter.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: 6006 Luzern, SwitzerlandReported employees: 51-200 | 6006 Luzern, Switzerland | 51-200 | Exact match | 41 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 |  Caeli Ingénieriecaeli.chHQ: Carouge, SwitzerlandReported employees: 11-50 | Carouge, Switzerland | 11-50 | Exact match | 33 contacts → |
“Bureau d'études CVCSE, Energie, Automatisme du bâtiment, MCR, Physique du bâtiment.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Kalt Halbeisen Ingenieurbüro AGkalthalbeisen.chHQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 32 contacts → |
“Wir sind ein erfolgreiches Ingenieur, Planungs- und Beratungsunternehmen im Bereich der Energie- und Gebäudetechnik.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Evolveevolve-sa.chHQ: Bellinzona, SwitzerlandReported employees: 11-50 | Bellinzona, Switzerland | 11-50 | Exact match | 31 contacts → |
“Evolve SA è una società di ingegneria svizzera con oltre 15 anni di esperienza nella progettazione tecnica, realizzazione e gestione di edifici e infrastrutture.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Energa SAenerga.chHQ: Lausanne, SwitzerlandReported employees: 11-50 | Lausanne, Switzerland | 11-50 | Exact match | 29 contacts → |
“Situé à Yverdon-les-Bains et à Lausanne, ENERGA SA est un bureau d’ingénieurs-conseils EPFL-SIA actif sur l’ensemble de la Suisse romande.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  LCA Automation AGlca.chHQ: Küssnacht Am Rigi, SwitzerlandReported employees: 51-200 | Küssnacht Am Rigi, Switzerland | 51-200 | Exact match | 29 contacts → |
“LCA Automation AG - Alles aus einer Hand!” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  B S Ingenieurs SAbs-ingenieurs.chHQ: Geneva, SwitzerlandReported employees: 11-50 | Geneva, Switzerland | 11-50 | Exact match | 27 contacts → |
“B+S INGENIEURS SA est composé de 37 collaborateurs bénéficiant de compétences élargies dans les domaines de l’ingénierie structurale (structures porteuses et ouvrages d’art), du…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  AZ Ingénieurs SAazingenieurs.chHQ: Lausanne 10, SwitzerlandReported employees: 11-50 | Lausanne 10, Switzerland | 11-50 | Exact match | 27 contacts → |
“La marque az ingénieurs regroupe des sociétés privées réunissant des ingénieurs-conseils dans les domaines de l'énergie, de la sécurité et des installations techniques pour le…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Tech-Insta SAtech-insta.chHQ: Torricella-taverne, SwitzerlandReported employees: 51-200 | Torricella-taverne, Switzerland | 51-200 | Exact match | 27 contacts → |
“La Tech-Insta nasce a fine 1995 con un’operazione di “management buy-out” dalla Filiale di Lugano del gruppo tecnologico Sulzer, continuandone l’attività nel settore…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Epro Engineeringeproengineering.ch HQ: Gümligen, SwitzerlandReported employees: 51-200 | Gümligen, Switzerland | 51-200 | Exact match | 26 contacts → |
“EPRO ENGINEERING ist eine unabhängige und neutrale Gebäudetechnikplanungsfirma.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Ifec Ingegneria SAifec.chHQ: Rivera-monteceneri, SwitzerlandReported employees: 51-200 | Rivera-monteceneri, Switzerland | 51-200 | Exact match | 25 contacts → |
“IFEC ingegneria SA is a consulting company in the field of energy, building physics, acoustics and applied environmental sciences.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Klinova AGklinova.chHQ: 8006, SwitzerlandReported employees: 51-200 | 8006, Switzerland | 51-200 | Exact match | 24 contacts → |
“Die Klinova AG ist Ihr Systemprofi im Bereich der Gebäude, Energie- und Prozesstechnik.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Willi Gebäudetechnik AGwilli-gt.chHQ: Chur, SwitzerlandReported employees: 51-200 | Chur, Switzerland | 51-200 | Exact match | 24 contacts → |
“Die Willi Gebäudetechnik AG mit Sitz in Chur wurde 1890 gegründet und ist vorwiegend im Kanton Graubünden tätig.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  W. Rokitzky AGrokitzkyag.chHQ: 8304 Wallisellen, SwitzerlandReported employees: 51-200 | 8304 Wallisellen, Switzerland | 51-200 | Exact match | 23 contacts → |
“Unsere inhabergeführte Unternehmensstruktur verkürzt Kommunikations- und Entscheidungswege für Bauherren und Auftraggeber massgeblich.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Ennetbaden, SwitzerlandReported employees: 11-50 | Ennetbaden, Switzerland | 11-50 | Exact match | 22 contacts → |
“Neutrale Beratung LFS berät Architekten und Bauherren als neutraler Partner.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | CSA Engineering AGcsa.ch HQ: Solothurn, SwitzerlandReported employees: 11-50 | Solothurn, Switzerland | 11-50 | Exact match | 22 contacts → |
“Ihre Experten für massgeschneiderte Software- und Hardwarelösungen seit 35 Jahren Auf der Suche nach anspruchsvollen und innovativen Produkten im Bereich Software- und…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 293 company matches
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Building systems 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
290 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 293 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 building systems 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 building systems engineering firms did RevenueBase find based in Switzerland?
The saved snapshot records 293 matching company records, 3,306 tracked contacts and 1,690 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
Building systems engineering firms by geography
- Building systems engineering firms based in Belo Horizonte, Brazil
- Building systems engineering firms based in Sao Paulo, Brazil
- Building systems engineering firms based in Calgary, Canada
- Building systems engineering firms based in Edmonton, Canada
- Building systems engineering firms based in Toronto, Canada
- Building systems engineering firms based in Berlin, Germany
- Building systems engineering firms based in Hamburg, Germany
- Building systems engineering firms based in Pune, India
- Building systems engineering firms based in Austin, United States
- Building systems engineering firms based in Chicago, United States
- Building systems engineering firms based in Dallas, United States
- Building systems engineering firms based in Houston, United States
Cite this list
RevenueBase Data Team. Top 25 building systems engineering firms based in Switzerland. Snapshot: September 16, 2026. https://revenuebase.ai/companies/building-systems-engineering-firms/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
- Building systems engineering firms based in Belo Horizonte, Brazil
- Building systems engineering firms based in Sao Paulo, Brazil
- Building systems engineering firms based in Calgary, Canada
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- Building systems engineering firms based in Toronto, Canada
- Building systems engineering firms based in Berlin, Germany
Company intelligence · public preview
Top 25 building systems engineering firms based in Switzerland
RevenueBase records 293 matching company records for building systems engineering firms based in Switzerland, with 3,306 tracked contacts and 1,690 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 building systems engineering firms 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 | Amstein Walthertamstein-walthert.ch HQ: Zurich, SwitzerlandReported employees: 1,001-5,000 | Zurich, Switzerland | 1,001-5,000 | Exact match | 563 contacts → |
“Ü Ingenieurskunst bedeutet, mit Ressourcen richtig umzugehen.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Grunergruner.ch HQ: Basel, SwitzerlandReported employees: 1,001-5,000 | Basel, Switzerland | 1,001-5,000 | Exact match | 462 contacts → |
“Gruner at a glance Founded: 1862 in Basel, Switzerland Legal form: Since 1970, public limited company owned by the founding families and employees Employees: more than 1,200 from…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Koster AGkosterag.ch HQ: Zurich, SwitzerlandReported employees: 201-500 | Zurich, Switzerland | 201-500 | Exact match | 73 contacts → |
“Gebäudetechniker” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Boess Gruppeboess.ch HQ: Bern, SwitzerlandReported employees: 51-200 | Bern, Switzerland | 51-200 | Exact match | 67 contacts → |
“Wir sind nicht nur Elektroingenieure.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | R B Engineering AGrbeag.com HQ: Brugg, SwitzerlandReported employees: 51-200 | Brugg, Switzerland | 51-200 | Exact match | 66 contacts → |
“Als führendes Ingenieurunternehmen sind wir in allen Gebäudetechnikgebieten zu Hause.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | RMB Engineering AGrmb.ch HQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 62 contacts → |
“Als führendes Ingenieur- und Planungsunternehmen in den Bereichen Gebäude, Energie- und Umwelttechnik realisiert die RMB Engineering AG massgeschneiderte Lösungen für…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lauber Iwisa AGlauber-iwisa.ch HQ: Naters, SwitzerlandReported employees: 201-500 | Naters, Switzerland | 201-500 | Exact match | 47 contacts → |
“Energie- & Gebäudetechnik” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 46 contacts → |
“AFC AG gestaltet die Zukunft des energieeffizienten, nachhaltigen und sicheren Bauens.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | PZM AGpzm.ch HQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 43 contacts → |
“Ingenieure für Gebäudetechnik mit über 100 Mitarbeiterinnen und Mitarbeiter.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: 6006 Luzern, SwitzerlandReported employees: 51-200 | 6006 Luzern, Switzerland | 51-200 | Exact match | 41 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Caeli Ingénieriecaeli.ch HQ: Carouge, SwitzerlandReported employees: 11-50 | Carouge, Switzerland | 11-50 | Exact match | 33 contacts → |
“Bureau d'études CVCSE, Energie, Automatisme du bâtiment, MCR, Physique du bâtiment.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Kalt Halbeisen Ingenieurbüro AGkalthalbeisen.ch HQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 32 contacts → |
“Wir sind ein erfolgreiches Ingenieur, Planungs- und Beratungsunternehmen im Bereich der Energie- und Gebäudetechnik.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Evolveevolve-sa.ch HQ: Bellinzona, SwitzerlandReported employees: 11-50 | Bellinzona, Switzerland | 11-50 | Exact match | 31 contacts → |
“Evolve SA è una società di ingegneria svizzera con oltre 15 anni di esperienza nella progettazione tecnica, realizzazione e gestione di edifici e infrastrutture.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Energa SAenerga.ch HQ: Lausanne, SwitzerlandReported employees: 11-50 | Lausanne, Switzerland | 11-50 | Exact match | 29 contacts → |
“Situé à Yverdon-les-Bains et à Lausanne, ENERGA SA est un bureau d’ingénieurs-conseils EPFL-SIA actif sur l’ensemble de la Suisse romande.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | LCA Automation AGlca.ch HQ: Küssnacht Am Rigi, SwitzerlandReported employees: 51-200 | Küssnacht Am Rigi, Switzerland | 51-200 | Exact match | 29 contacts → |
“LCA Automation AG - Alles aus einer Hand!” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | B S Ingenieurs SAbs-ingenieurs.ch HQ: Geneva, SwitzerlandReported employees: 11-50 | Geneva, Switzerland | 11-50 | Exact match | 27 contacts → |
“B+S INGENIEURS SA est composé de 37 collaborateurs bénéficiant de compétences élargies dans les domaines de l’ingénierie structurale (structures porteuses et ouvrages d’art), du…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | AZ Ingénieurs SAazingenieurs.ch HQ: Lausanne 10, SwitzerlandReported employees: 11-50 | Lausanne 10, Switzerland | 11-50 | Exact match | 27 contacts → |
“La marque az ingénieurs regroupe des sociétés privées réunissant des ingénieurs-conseils dans les domaines de l'énergie, de la sécurité et des installations techniques pour le…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tech-Insta SAtech-insta.ch HQ: Torricella-taverne, SwitzerlandReported employees: 51-200 | Torricella-taverne, Switzerland | 51-200 | Exact match | 27 contacts → |
“La Tech-Insta nasce a fine 1995 con un’operazione di “management buy-out” dalla Filiale di Lugano del gruppo tecnologico Sulzer, continuandone l’attività nel settore…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Epro Engineeringeproengineering.ch HQ: Gümligen, SwitzerlandReported employees: 51-200 | Gümligen, Switzerland | 51-200 | Exact match | 26 contacts → |
“EPRO ENGINEERING ist eine unabhängige und neutrale Gebäudetechnikplanungsfirma.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ifec Ingegneria SAifec.ch HQ: Rivera-monteceneri, SwitzerlandReported employees: 51-200 | Rivera-monteceneri, Switzerland | 51-200 | Exact match | 25 contacts → |
“IFEC ingegneria SA is a consulting company in the field of energy, building physics, acoustics and applied environmental sciences.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Klinova AGklinova.ch HQ: 8006, SwitzerlandReported employees: 51-200 | 8006, Switzerland | 51-200 | Exact match | 24 contacts → |
“Die Klinova AG ist Ihr Systemprofi im Bereich der Gebäude, Energie- und Prozesstechnik.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Willi Gebäudetechnik AGwilli-gt.ch HQ: Chur, SwitzerlandReported employees: 51-200 | Chur, Switzerland | 51-200 | Exact match | 24 contacts → |
“Die Willi Gebäudetechnik AG mit Sitz in Chur wurde 1890 gegründet und ist vorwiegend im Kanton Graubünden tätig.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | W. Rokitzky AGrokitzkyag.ch HQ: 8304 Wallisellen, SwitzerlandReported employees: 51-200 | 8304 Wallisellen, Switzerland | 51-200 | Exact match | 23 contacts → |
“Unsere inhabergeführte Unternehmensstruktur verkürzt Kommunikations- und Entscheidungswege für Bauherren und Auftraggeber massgeblich.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Ennetbaden, SwitzerlandReported employees: 11-50 | Ennetbaden, Switzerland | 11-50 | Exact match | 22 contacts → |
“Neutrale Beratung LFS berät Architekten und Bauherren als neutraler Partner.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | CSA Engineering AGcsa.ch HQ: Solothurn, SwitzerlandReported employees: 11-50 | Solothurn, Switzerland | 11-50 | Exact match | 22 contacts → |
“Ihre Experten für massgeschneiderte Software- und Hardwarelösungen seit 35 Jahren Auf der Suche nach anspruchsvollen und innovativen Produkten im Bereich Software- und…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 293 company matches
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Building systems 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
290 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 293 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 building systems 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 building systems engineering firms did RevenueBase find based in Switzerland?
The saved snapshot records 293 matching company records, 3,306 tracked contacts and 1,690 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.
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Cite this list
RevenueBase Data Team. Top 25 building systems engineering firms based in Switzerland. Snapshot: September 16, 2026. https://revenuebase.ai/companies/building-systems-engineering-firms/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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