Energy & Environment

Circular Hub GmbH 

Zurich · Since 2018

The core activity of the company 'Circular Hub' is to support Swiss companies and organizations in implementing a circular economy, particularly in the construction sector. To this end, the company offers a combination of innovative communication, advocacy and change management services to promote the transition from a linear throwaway economy to a resource-efficient circular economy.

Circulaya GmbH 

Birsfelden · Since 2021

The core activity of Circulaya Consulting is to advise companies in the field of sustainable packaging, particularly in the development and implementation of innovative, circular and environmentally responsible packaging solutions. This includes analyzing and optimizing packaging processes, developing sustainable packaging concepts, and supporting companies in implementing circular economy and eco-design.

CitizenBees SARL 

Neuchâtel · Since 2013

The core activity of CitizenBees is the development and provision of a service for urban beekeeping, which enables the installation and operation of beehives on the roofs of companies and municipalities. This service includes the provision of high-tech beehives equipped with sensors and webcams to monitor bee activity in real-time. Additionally, the company also offers biosurveillance services, where bees are used as environmental samplers to monitor environmental quality.

CJ Solar-Planning GmbH 

Heerbrugg · Since 2022

The core activity of CJ Solar Planning is the specialized planning of solar concepts, particularly the creation of 3D visualizations and project reports for photovoltaic systems, including the consideration of factors such as orientation, roof inclination, roof covering, shading and power consumption.

CKR Solar + Montage GmbH 

Staad Sg · Since 2023

The core activity of CKR Solar + Montage GmbH is the installation and assembly of solar energy systems, as well as the related services in the field of renewable energies.

CKW AG 

Lucerne

CKW AG is an energy and services company that generates electricity, operates grid infrastructure, and provides energy solutions such as photovoltaic systems, battery storage and heat networks. It also supplies building-technology services (heat pumps, charging infrastructure, electrical installations) and ICT services including datacenter, IT security and connectivity for residential and commercial customers.

CLARA Water AG 

Steinmaur · Since 2023

The company develops and distributes a water disinfection system called Clara, which uses electrolysis to produce sodium hypochlorite from salt and electricity to disinfect drinking water in rural areas and healthcare facilities.

Classen GmbH 

Zurich · Since 2022

Classen GmbH provides advisory services to governments, multilateral institutions, NGOs, family offices and corporates on carbon markets and engagement under Article 6 of the Paris Agreement. Its core offerings include policy advisory, business proofing (transactional support and financial modelling for mitigation activities) and practical training with ongoing Q&A support.

Claude Marie Marcuard, géologue EPFZ, expert et consultante 

Leysin · Since 1991

Claude Marie Marcuard, géologue EPFZ, expert et consultante provides independent expert and consultancy services in applied geology, geotechnical engineering, contaminated sites and groundwater. She conducts technical assessments, court expert reports, site investigations, environmental impact reports and environmental monitoring.

Clavisto Technologie GmbH 

Schaffhausen · Since 2010

The core activity of Clavisto is the development and implementation of innovative pyrolysis solutions to combat global climate change. Specifically, this includes: The transformation of waste into valuable resources through pyrolysis technology; The development and implementation of pyrogenic carbon capture systems (PyCCS); The promotion of reforestation and agroforestry projects, particularly in tropical regions; and Supporting customers in achieving their greenhouse gas reduction and removal goals. The company focuses on combating global climate change by reducing greenhouse gases and promoting sustainable solutions.