Solar & 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)

The company is an energy and services company that offers a wide range of activities in the fields of energy, telecommunications, real estate and infrastructure. The core activities include: energy supply (electricity, gas, water, heat/cooling), telecommunications services (DarkFiber, telecom), energy consulting and efficiency (energy consulting, building renovation, funding programs), real estate and infrastructure services (real estate, infrastructure, electrical installations), and e-mobility solutions (charging solutions, charging stations, cost accounting, public charging). The company thus offers a comprehensive range of services and products tailored to the needs of business customers.

Gebrüder Brand AG, Spenglerei & Sanitäre Installationen

Since 1989 · 11–20 empl.

The core business of Gebrüder Brand AG encompasses the areas of sanitary technology, solar technology, building plumbing and lightning protection. The company offers services such as installation, renovation and refurbishment in these areas, particularly for private customers in the Langenthal region.

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.

Saturn Energy Abdelrahman

Since 2023 · 1–10 empl.

Biedermann Montagen GmbH

Since 2024 · 1–10 empl.

Shabani Allround Services

Since 2025 · 1–10 empl.