Energy consulting in the
Canton of Nidwalden

HLE-KONZEPTE AG

Since 1997 · 1–10 empl.

HLE-KONZEPTE AG is a planning and consulting firm for heating and ventilation systems and energy concepts. Its services include building energy advice, energy certificates and feasibility studies, as well as support with the optimisation or renewal of technical building systems.

CeO-Zwei Gebäudeanalysen, M. Ziegler

Since 2008 · 1–10 empl.

CeO-Zwei Gebäudeanalysen, M. Ziegler is a consultancy and planning office specialising in building analyses and energy-efficient modernisation. Its services include energy advice and concepts, building energy certificates, energy performance documentation, and planning for renovations and systems using renewable energy.

Eysi Energii GEN

Since 2016 · 1–10 empl.

Eysi Energii GEN is a cooperative that implements projects involving renewable and sustainable energy. It makes the energy produced available to its members and the public, and offers consulting and services in renewable energy, energy efficiency and mobility.

W & P ENGINEERING INT. AG

Since 1975 · 21–50 empl.·5.0(1)

W & P ENGINEERING INT. AG provides engineering services in energy, environmental and building technology. Its international division focuses on renewable and sustainable energy solutions.

SyEnergy AG

Since 2025 · 21–50 empl.·5.0(11)

SyEnergy AG plans and implements energy projects involving solar photovoltaics, electric mobility and heat pumps. Its services also include energy management, battery storage, and advice, maintenance and servicing of energy systems.

Astenis AG

Since 2019 · 21–50 empl.·5.0(1)

Astenis AG plans and implements photovoltaic systems and advises on energy use, energy efficiency and environmental footprints. It also provides business consulting and modular work packages for small and medium-sized enterprises.

Planlokal AG

Since 2023 · 11–20 empl.·5.0(1)

Planlokal AG is a building services engineering firm that plans heating, cooling, ventilation and air-conditioning systems. Its services also include energy concepts, specialist coordination and general planning, including sanitary planning and building automation.

W & P ENGINEERING (Schweiz) AG

Since 2024 · 11–20 empl.·5.0(1)

W & P ENGINEERING (Schweiz) AG is an engineering firm specialising in energy and building services. It provides consulting and planning for heating, ventilation, air-conditioning, plumbing, electrical and building control systems, as well as energy concepts, building automation and BIM planning.

JECO Energie GmbH

Since 2025 · 1–10 empl.

JECO Energie GmbH provides independent energy consulting for buildings and prepares GEAK energy certificates. It analyses energy use and heating systems, develops cost-conscious renovation solutions, and supports their planning and implementation.

Ecoprocess AG

Since 1996 · 1–10 empl.

Ecoprocess AG provides consulting and project management in the energy sector, with a focus on mobility. Its activities include corporate mobility management, support for energy advice services, and projects promoting energy efficiency and fuel-efficient driving.

C&S Consulting & Sale GmbH

Since 2019 · 1–10 empl.

IndepEnergy GmbH

Since 2026 · 1–10 empl.