Energy & Environment

OptimaSolar Züri Unterland Genossenschaft 

Niederweningen · Since 2022

The core activity of OptimaSolar Züri Unterland is the planning, construction and operation of photovoltaic systems, particularly on the roofs of larger residential and commercial buildings, schools and public buildings, with the aim of producing solar power and contributing to the acceleration of the energy transition.

Optimum Swiss Solar Sàrl 

Delémont · Since 2020

Optineon AG 

Aarau · Since 2015

The core activity of Optineon AG is the transfer and dissemination of Swiss know-how, technologies and innovations in the fields of healthcare, nutrition, water, education and sustainable development to international markets. This includes providing training, consulting services, licensing and distribution of products and solutions developed by Swiss companies and institutions. The goal is to promote the health and well-being of people and support sustainable solutions for a better future.

Orbisfy Sàrl 

Geneva · Since 2020

The company Orbisfy supports other companies in the development of sustainable products and services through consulting, engineering and sustainability expertise. The core activity consists of accompanying customers in the transformation of their products or services to achieve a positive impact on the environment and society, while simultaneously securing economic success.

Ordecsys Sàrl 

Chêne-Bougeries · Since 2002

The core activity of ORDECSYS is the conduct of techno-economic analyses, research and consulting in the field of energy and climate policy, particularly in the modeling of energy systems, the evaluation of climate strategies and the development of methods to reduce greenhouse gas emissions. The company supports customers in decision-making in complex, uncertain environments and develops solutions for a sustainable energy economy and climate policy.

Oread GmbH 

Zug · Since 2009

The core activity of Oread is the development, manufacture and distribution of products for the containment, control and cleaning of oil and chemical spills, in particular oil absorbents, oil barriers, emergency kits and other products for hazardous substance storage and disposal.

Origine-food SA 

Servion · Since 2023

Origine-food SA is a food distributor that imports and distributes organic and fair-trade brands in Switzerland through a network of specialty retailers and B2B channels. The company provides market-entry support, import and logistics services, and promotional and training activities for brands and retailers.

Orniplan AG 

Zurich · Since 1992

The core activity of Orniplan AG is consulting, planning and preparing expert opinions in the field of nature, particularly in the areas of ornithology, species conservation, biodiversity and nature conservation. This includes, among other things: surveys and monitoring of animal species and habitats, preparation of expert opinions and studies on nature conservation topics, planning and implementation of species conservation and species promotion projects, biomonitoring and success control of nature conservation measures, consulting and supporting authorities and private individuals in nature conservation issues, conducting courses and excursions on nature conservation topics, and developing concepts for the design and management of habitats.

OrtsWerte GmbH 

Sempach · Since 2011

The core activity of OrtsWerte GmbH is the design and accompaniment of settlement developments, particularly in the area of town centre upgrading. The company supports municipalities and property owners in the development of town centres and districts through location-specific analyses, role allocation, stakeholder coordination and the creation of scenarios for sustainable development.

OSEA Öl- und Strassenschlammentwässerungs AG 

Glattbrugg · Since 1988

OSEA Öl- und Strassenschlammentwässerungs AG operates a receiving facility for road-borne wastes and oil-containing wastewater, offering 24/7 acceptance and on-site washout for suction vehicles and street sweepers. The company dewaters street sweepings and collector sludges for material recovery in group internal wet‑mechanical processing plants and treats oil-bearing and contaminated wastewaters by a two-stage chemical–physical process, with concentrated residues sent for incineration.

OTT Hydromet GmbH, Kempten (Allgäu), Zweigniederlassung Schweiz, Rheineck 

Rheineck · Since 2018

The core activity of OTT HydroMet is the development, manufacture and distribution of measurement instruments and solutions for environmental monitoring, particularly in the fields of meteorology, hydrology, water quality and renewable energy.

Otto Rohrunterhalt GmbH 

Zurich · Since 1995

The core activity of Otto Rohrunterhalt GmbH is the renovation and maintenance of channels and pipelines, including the inspection and acceptance of sewage pipes. The company offers a comprehensive service ranging from blockage removal to renovation and maintenance of channels and pipelines.

Ourpower GmbH 

Dübendorf · Since 2017

The core activity of OurPower is the planning, construction and operation of photovoltaic systems (solar power plants) in Switzerland. Private investors can participate in these systems by purchasing solar modules and thus investing in the production of solar energy. OurPower takes care of the infrastructure costs, construction and operation of the systems, while investors receive the returns from the production of their solar modules on a monthly basis.

OUTDOORWERK GmbH 

Gibswil · Since 2013

The core activity of Outdoorwerk is the development, manufacture and distribution of high-quality, sustainable and durable outdoor products, particularly tools and equipment, which are produced in Switzerland, often in collaboration with regional companies and with a focus on independence and minimal equipment.

Outdoor Workspaces Schmid 

Bern · Since 2021

The core activity of Outside Society is to provide mobile, solar-powered outdoor workspaces for meetings and co-working in natural environments, such as forests, lakes or mountains, with the aim of creating a creative and decelerating work atmosphere.

Ouvra Electrica Lavinuoz Lavin SA (OELL) 

Lavin · Since 2012

The core activity of Ouvra Electrica Lavinuoz Lavin SA is the generation of renewable energy through the operation of a small hydroelectric power plant on the Lavinuoz stream in the municipality of Zernez. The company uses the stream's water power to produce electrical energy, which is then fed into the Energia-Engiadina grid.

Ovenstone Engineering GmbH 

Winterthur · Since 2019

The core activity of Ovenstone Engineering GmbH is the planning, consulting and implementation of renewable energy solutions, particularly photovoltaic systems, as well as the development and implementation of smart metering systems for energy management.

Owwo GmbH 

Niederscherli · Since 2023

The company owwoSOLAR offers services and solutions in the field of solar energy. The core activity of the company includes planning, consulting, installation, maintenance and repair of solar systems, in particular photovoltaic systems, as well as financing and monitoring of these systems. The goal is to support customers in switching to sustainable and environmentally friendly energy sources and to reduce their energy costs.

Oxyle AG 

Schlieren · Since 2020

The core activity of Oxyle is the development and implementation of innovative technologies for water treatment, particularly for the removal of PFAS (per- and polyfluorinated alkyl compounds) from surface, ground and wastewater. The company produces catalyst materials and develops scalable concepts for water treatment tailored to the needs of its customers.

ozone.ch Sàrl 

Le Locle · Since 2000

The core activity of ozone.ch is the development and provision of solutions for the treatment and purification of water and air, particularly through the use of ozone technology. The company offers a wide range of products and services, including water treatment plants, ozone generators, filtration and ultrafiltration systems, as well as analysis and monitoring systems for water and air quality. ozone.ch's solutions are suitable for various industries and applications, such as industry, commerce, hotels, restaurants, and private households.

Packesel Recycling Service GmbH 

Galgenen · Since 2020

The core activity of Packesel Recycling Service GmbH is the collection, sorting and disposal of recyclable materials, particularly through the use of special bags in which customers can collect various recyclable materials unsorted. These bags are then collected by the company and the materials are recycled.

Recyclinghuber GmbH 

Bättwil · Since 2008

The core activity of the company 'Recycling Huber' (formerly 'Palettenhuber GmbH') is the processing, disposal and recycling of metal-containing industrial waste, in particular old cables, transformers, copper, copper cables, old lead, brass, tin, iron and wood waste, as well as the trade in non-metal, iron and wood waste.

Panaqua AG 

Adligenswil · Since 1976

Panaqua AG is a company in environmental and process engineering specializing in gas technology and sludge treatment. It designs, manufactures and installs gas storage systems, gas flares, digester equipment and valves, and provides consulting, maintenance and repair services for municipal and industrial plants.

Pani Netzbau AG 

Wohlen Ag · Since 2018

The core activity of PANI Netzbau AG is the construction of electrical and telecommunications networks, including planning, design, execution, commissioning, maintenance and upkeep of network infrastructures, particularly in the areas of communication, low voltage and medium voltage up to 30kV.

Papirec SA Zweigniederlassung Bern 

Bern · Since 2000

Papirec SA Zweigniederlassung Bern is a branch of Groupe Barec that provides recycling services for paper and cardboard. It is part of BAREC’s integrated waste-management offerings, including collection, sorting and processing of paper-based materials.

Paramount AG 

Glattbrugg · Since 2000

Paramount AG is a service company active nationwide and in other European countries. It provides turnkey photovoltaic systems and offers industrial and electrical assembly, plant engineering and telecommunications construction, including planning, installation, cabling, commissioning and maintenance.

PAR Capital SA 

Geneva · Since 2020

PAR Capital SA is an alternative investment firm that provides capital solutions and investment management. The company invests across distressed assets, private equity, litigation finance and commodities.

Parpan Forst und Energieholz GmbH 

Valbella · Since 2013

The core activity of Parpan Forst- und Energieholz GmbH encompasses the following areas: firewood, green waste recycling, garden forestry, wood transportation, and wood chipping services. The company positions itself as a personal and competent partner in these areas, particularly in the Lenzerheide region.

Pasquale Mazzacane GmbH 

Baar · Since 2008

The core activity of Mazzacane GmbH is the professional clearance and disposal of apartments and houses, including the disposal of private and commercial waste, as well as the reuse of well-preserved items through recycling or sale at a flea market.

Pastorizia Alpina Helbling, Dr. oec. 

Mesocco · Since 2004

The core activity of the company is alpine farming, in particular pastorizia alpina, i.e. traditional alpine pasture farming with a focus on livestock breeding in the Alps.

PATREC GMBH 

Aesch Bl · Since 2020

The core activity of Patrec GmbH is the disposal and trade of industrial waste, particularly in the field of metal recycling, as well as the dismantling and decommissioning of production facilities. This also includes services such as container and skip rental, coaching and the trade of used equipment.

Patrik Metzger 

Ganterschwil · Since 2002

Patrik Metzger is a trades business carrying out roofing, metalwork (spengler) and sanitary/plumbing services and installing lightning protection systems. Services include pitched and flat roofs, facades, gutters, chimney flashings and dormer claddings, as well as planning and installation of photovoltaic and solar systems in cooperation with Hablützel AG.

Pattabio GmbH 

Basel · Since 2010

The core activity of Pattabio GmbH is the development, manufacture and marketing of collection systems, in particular the "BIO-KLAPPE".

Pavati GmbH 

Dielsdorf · Since 2011

The company is active in the fields of drinking water, coffee, and tea. It produces and distributes sustainable products and offers solutions for corporate and private customers. The core activities include: Drinking water: Production and distribution of drinking water dispensers, filters, and other products for drinking water optimization. Coffee: Roasting, distribution of coffee and coffee accessories, as well as offering coffee courses and office coffee solutions. Tea: Exclusive distribution of the Paper&Tea tea brand in Switzerland, as well as offering tea accessories and gift sets. The company also provides co-branding solutions, office coffee and gastro solutions, as well as wholesale services.

Pawis GmbH 

Zurich · Since 2014

The core activity of Pawis GmbH is the provision of services in the field of sustainable and environmentally friendly construction planning and support. This includes, in particular, the implementation of life cycle assessments, indoor air consulting, building checks and pollutant searches, as well as the creation of publications and electronic data on these topics.

Payerne Énergies SA 

Payerne · Since 2022

The core activity of Payerne Energies SA is the planning, implementation and provision of district heating (Chauffage à distance) for the municipality of Payerne. The company offers a sustainable and local energy source by building a network of district heating pipes to heat buildings in the municipality.

Peaceinvest SA 

Geneva · Since 2022

The company is an investment firm specialized in sustainable investments across various sectors, including: food systems and nutrition, green energy and mobility, digital and financial inclusion, and human capital. The company offers a range of products and services, including commercial investments, outcome-based investments, repurposing initiatives, and advisory services for investment partners. The company's core activity is to develop and implement innovative solutions for sustainable investments, aiming to achieve positive impacts on society and the environment.

peac GmbH - professional energy and consulting 

Lutzenberg · Since 2012

The core activity of peac GmbH is independent energy brokerage and consulting for Swiss industrial and commercial customers. The company pools the consumption volumes of its customers to achieve strategic improvements in conditions for all pool partners through the growing size of the pool, thereby sustainably reducing energy costs.

Pearlpure Grossenbacher 

Uster · Since 2020

The core activity of Pearlpure is the marketing and distribution of innovative dry steam cleaning systems for private households and businesses. These systems, such as the Medicleantec Microsteam-Cleaner and the Thermostar, clean without chemical additives and are environmentally friendly, cost-saving and efficient. They are used for various applications such as basic cleaning, disinfection and the removal of dirt and germs.

Pecla SA 

Losone · Since 1976

The core activity of Pecla SA consists of planning, installing, maintaining and repairing: Sanitary and heating systems; Alternative energy sources such as solar systems and geothermal energy; Heating systems including gas and oil heating; Installation and maintenance of solar panels; Bathroom renovations; Replacement of boilers and heat pumps. The company thus offers comprehensive services in the field of sanitary and heating systems as well as renewable energies.

PECSO - Energy Consulting & Solutions - Pino Pacifico 

Walchwil · Since 2009

PECSO - Energy Consulting & Solutions - Pino Pacifico provides energy consulting and technical planning and implementation services for buildings, with a focus on solar energy (thermal and photovoltaic) and building services engineering. Services include feasibility studies, construction management, thermography, monitoring, GEAK/GEAK Plus reports and support for heating system upgrades.

PEFC Schweiz 

Zurich · Since 2024

The core activity of PEFC Switzerland is the promotion and certification of sustainable forest management. The company offers a certification system that ensures wood and paper products come from sustainably managed forests. It supports forest owners, wood processing and trading companies in implementing sustainable forest management practices and promotes equality and economic development of communities that depend on forests.

Pegasus Kabel Recycling GmbH 

Appenzell · Since 2022

The core activity of Pekare GmbH is the recycling of cables, particularly for electricians, demolition contractors and industry.

PEMA Innotech Swiss AG 

Gränichen · Since 2015

The core activity of PEMA Innotech Swiss is the development, manufacture and marketing of environmentally friendly pest control products, in particular insecticides based on natural tensides and free from highly toxic additives and auxiliary substances.

Perfuturo Group AG 

Ennetmoos · Since 2008

The core activity of Perfuturo Group AG is the development and implementation of sustainability projects, particularly in the areas of forest conservation and CO₂ reduction. The company establishes so-called "Perfuturo Forest Reserves" (PFR), a global initiative to preserve endangered rainforests, restore ecosystems, and promote biodiversity. In addition, Perfuturo offers services to companies to support their decarbonization and help them achieve their environmental goals.

PERLéman SA 

St-Sulpice Vd · Since 2024

PERLéman Sàrl is an environmental engineering consultancy specializing in studies and management of contaminated sites and soils. Services include site investigations, sampling and accredited laboratory analyses (PFAS, dioxins/furans, PAHs, heavy metals), risk assessments, soil and groundwater remediation, waste and excavated-material management, AMO/MO and environmental monitoring, carried out in line with Swiss regulatory frameworks (OSites, OSol, OLED).

PermaLife Energy Sàrl 

Carouge Ge · Since 2024

PermaLife Energy Sàrl is a provider of planning, supply and installation services for photovoltaic systems. The company offers grid-connected and off-grid solutions, supplies components such as SolarEdge inverters and Victron Energy equipment, and provides maintenance contracts as well as support for permits and final inspections.

PerMa-Way GmbH 

Meierskappel · Since 2023

The core activity of PerMa-Way GmbH is to advise and support companies in their transformation and growth, particularly in the areas of renewable energy, sustainability and climate protection. The services include venture capital guidance, mobility solutions, energy projects, solar parks and wind parks. The company supports customers in the implementation of projects and programs, with the goal of achieving sustainable growth and improved competitiveness.

Perovskia Solar AG 

Aubonne · Since 2021

The core activity of Perovskia Solar is the development, manufacturing and marketing of high-performance, customized solar cells based on perovskite technology, suitable for both indoor and outdoor use, enabling everyday devices to be energy-autonomous or extending their battery life.

Perroud Electricité SA 

Dombresson · Since 2016

The core activity of Perroud Electricité SA is the installation, maintenance and renovation of electrical systems, including solar photovoltaic systems, domotic systems and telecommunications networks.