Photovoltaics in
Lachen SZ

6 companies in Photovoltaics based in Lachen SZ — name and year of registration from the commercial register. The list below shows them all.

Companies

All 6 companies in Lachen SZ

MZ Sanitär + Heizung AG Logo

MZ Sanitär + Heizung AG

Since 1989 · 11–20 empl.5.0(9)

MZ Sanitär + Heizung AG plans, installs and maintains heating and plumbing systems for new-build and renovation projects. Its services include heat pumps, solar systems, heating-system replacements, and bathroom planning and refurbishment.

PhotovoltaicsHeating / thermal solutions / coolingPlumbing installationsBathroom refurbishment and bath renovation
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
Runge AG Logo

Runge AG

Since 2026 · 21–50 empl.

Runge AG is a civil engineering firm working in building construction, structural engineering, infrastructure and hydropower. It plans new construction, renovation and repair projects and provides services including structural design, fire safety, photovoltaics, and project and site development.

Civil engineerStructural engineeringCivil and infrastructure engineeringHydropower plant engineering
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #2
SA

Sonnendreher AG

Since 2007 · 1–10 empl.

Photovoltaics
No score yetWA

WinProImmo AG

Since 2022 · 1–10 empl.

Photovoltaics
No score yetMI

MarchSolar, Inhaber Sven Müller

Since 2023 · 1–10 empl.

Photovoltaics
No score yetFG

FNPlan GmbH

Since 2024 · 1–10 empl.

Engineer
No score yet

Photovoltaics in Lachen SZ

6PhotovoltaicsCommercial register (Zefix) · as of November 7, 2026
2023Median year of registrationCommercial register (Zefix) · as of November 7, 2026
119in the Canton of SchwyzCommercial register (Zefix) · as of November 7, 2026
4,040in SwitzerlandCommercial register (Zefix) · as of November 7, 2026
Locations

Photovoltaics in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 7, 2026

Largest places

Pfäffikon SZ17Freienbach9Altendorf8Feusisberg6Einsiedeln6Schindellegi6Goldau6Brunnen5
Industry axis

Photovoltaics in other places

Photovoltaics across Switzerland
Pfäffikon SZ17Freienbach9Altendorf8Feusisberg6Einsiedeln6Schindellegi6Goldau6Brunnen5

By canton

Canton of Zurich523Canton of Bern477Canton of Vaud318Canton of Aargau312Canton of St. Gallen300Canton of Lucerne231Canton of Thurgau187Canton of Ticino175Canton of Zug171Canton of Valais171Canton of Basel-Country159Canton of Fribourg146Canton of Grisons126Canton of Geneva122Canton of Solothurn122Canton of Schwyz119Canton of Neuchâtel77Canton of Appenzell Outer Rhodes41Canton of Jura40Canton of Schaffhausen33Canton of Nidwalden33Canton of Glarus27Canton of Obwalden26Canton of Appenzell Inner Rhodes14Canton of Uri13
Place axis

Other industries in Lachen SZ

All companies in Lachen SZ
Management consultant122Property management91Holding company84Property developer69IT service provider59Software developer48Real estate agent43Coach39Financial services39Restaurant35Engineer34Construction manager28Accountant27Wholesale27General contractor25Advertising agency22Car dealership22Architect21Event agency19Machinery dealer17Cleaning company16Asset manager15Hairdresser14Continuing education provider14Bar14Garage13Caterer13Interior fit-out12Renovation12Online platform12Other services11Recruitment agency11Painter11Beauty salon11Specialist foundation engineering10Electrician10Mechanical engineering10Retail10Electronics wholesaler10Building contractor9Landscaping9Online shop9Grocery store9Cosmetics store9Lawyer8Photographer8Machine rental8Research institute8