Photovoltaics in
Langenthal

Sägesser + Oberli AG

Since 1984 · 1–10 empl.·5.0(14)

The core activity of Sägesser Oberli AG is the provision of services in the field of building technology, particularly in the areas of: * Sanitary installations (e.g. repair of dripping faucets, bathroom renovations) * Roofing and sheet metal work (e.g. roofing, lightning protection systems) * Heating technology The company offers these services to private and commercial customers and has specialized in the areas of sanitary, roofing and heating.

IB Langenthal AG

Since 2007 · 11–20 empl.·4.2(10)

IB Langenthal AG is a regional utility supplying electricity, gas, water, heat and telecommunications. It also provides energy services, e-mobility solutions and electrical installations for households, businesses, municipalities and other utilities.

Gebrüder Brand AG, Spenglerei & Sanitäre Installationen

Since 1989 · 11–20 empl.

Gebrüder Brand AG, Spenglerei & Sanitäre Installationen plans and carries out plumbing installations, bathroom renovations and sheet-metal work. Its services also include heating systems, photovoltaic and solar-thermal installations, metal roofing and lightning protection.

Bolognini Energy Consulting

Since 2026 · 1–10 empl.

Bolognini Energy Consulting provides independent PV design and owner’s representation for photovoltaic systems, as well as advice on operational optimization, repowering, assessments, and self-consumption optimization. The company also supports PV projects in industry and commercial settings with technical analysis, monitoring, and market participation strategies.

Solit Energie AG

Since 1998 · 1–10 empl.

Solis Consult AG

Since 2023 · 1–10 empl.

Biedermann Montagen GmbH

Since 2024 · 1–10 empl.

Shabani Allround Services

Since 2025 · 1–10 empl.