Sustainability Sector in the
Canton of Zurich

Limeco

Since 2019 · 21–50 empl.·4.3(97)

Limeco processes waste and treats wastewater, producing largely renewable, CO₂‑neutral energy supplied as heat, electricity and gas. The organisation operates a waste‑to‑energy plant, a wastewater treatment facility and recycling centres, and provides services for waste disposal, district heating and related energy solutions.

Grünes Kreuz Schweiz

Since 1998 · 21–50 empl.·4.1(78)

The core activity of Green Cross Switzerland is humanitarian aid and support for disaster victims, particularly in the case of environmental and industrial disasters, through projects based on the principle of self-help and striving for sustainable solutions.

Contreag Container-Reinigungs AG

Since 1965 · 21–50 empl.·4.4(41)

The company's core activity is container cleaning, particularly the hygienic and sustainable cleaning of containers, as well as the development and implementation of sustainable solutions for the container cleaning industry.

SoSo-Café GmbH

Since 2020 · 1–10 empl.·4.8(166)

The core activity of SoSo-Kafi is the marketing and sale of coffee, sourced directly from Kenyan farming families, with the aim of supporting these families in overcoming poverty and financing school fees for their children.

FORNAT AG

Since 1980 · 11–20 empl.·5.0(3)

FORNAT AG provides consultancy and planning services in nature conservation and ecology. It prepares assessments and concepts, manages projects, conducts monitoring and statistical and GIS-based data analyses, and works on topics including wildlife management and hunting, aquatic ecology and fisheries, species and habitat management, forest ecology and environmental education.

ENGAGEABILITY LLC

Since 2010 · 11–20 empl.·4.8(6)

The core activity of engageability is to advise and support organizations in the development and implementation of sustainable solutions and responsible business practices. This includes stakeholder engagement, strategy and innovation development, impact generation and evaluation, as well as communication and knowledge transfer. The company acts as a think tank and facilitator for collaboration between different stakeholder groups to develop solutions for global challenges and promote a sustainable future.

and nice trading GmbH

Since 2023 · 11–20 empl.·4.9(33)

The core activity of KITO is the development, marketing and sale of electrified retro scooters, designed as an environmentally friendly and stylish alternative for urban mobility.

BEN Energy AG

Since 2011 · 21–50 empl.·5.0(7)

The core activity of Enerlytica is providing data analysis and consulting services to companies in the energy market. Specifically, Enerlytica offers solutions for energy efficiency, data analytics, product and corporate development, sales, marketing, and network operations. The company supports its customers in optimizing processes, identifying new sales opportunities, and sustainably designing their business models.

Greifensee-Stiftung

Since 1997 · 21–50 empl.·4.3(8)

The company offers a wide range of activities and services in the leisure and tourism sector, particularly in the region around Lake Greifen. The core activities include: rental of binoculars and boats, organization of work assignments and projects, offers for families and children, such as children's birthday parties and playgrounds, water activities such as swimming, boating, stand-up paddling and fishing, rental of bicycles and inline skates, organization of picnics and fireplaces, shipping and boat tours, nature observation and drone and model boat driving. The company appears to specialize in organizing leisure activities and renting equipment for tourism in the region around Lake Greifen.

the pink sheep GmbH

Since 2019 · 1–10 empl.·4.8(24)

The core activity of the company 'the pink sheep' is to promote sustainability in the fashion industry through upcycling, repair and reuse of textiles. The company offers workshops, consulting and professional support to inspire and enable customers to redesign their used clothing and create unique, high-quality products. Additionally, the company provides an environmental education initiative for school classes to raise awareness about the impact of fast fashion on the environment.

Climeworks International AG

Since 2022 · 11–20 empl.·4.5(38)

Climeworks International AG develops and operates Direct Air Capture technology to remove CO₂ from the atmosphere and provides end‑to‑end carbon removal services. Its offerings combine engineered DAC and nature‑based solutions, include partnerships for geological CO₂ storage, and deliver tailored carbon removal portfolios for corporate customers.

Yasai AG

Since 2020 · 11–20 empl.·4.6(18)

YASAI AG is a vertical farming start-up specializing in the cultivation of herbs and other plants in controlled environments. The company's core activity is the planning, construction and management of vertical farms that operate on a circular economy basis to improve food systems. Currently, the company primarily produces herbs and plans to expand its product portfolio to include leafy greens and cosmetic plants in the future.

CO2 Börse AG

Since 2012 · 1–10 empl.·4.6(9)

CO2 Börse AG assists vehicle importers with administration of the CO2 levy and provides CO2 pool management, online calculators and related import services such as customs clearance, transport, homologation, payment and insurance solutions.

Econetta AG

Since 1988 · 51–100 empl.·4.5(2)

The core activity of Econetta AG is the provision of services in the field of environmental analytics, environmental toxicology, product conformity and sustainability, particularly for the real estate industry and manufacturing. This includes, among other things: site assessment and remediation, environmental analytics (soil, water, air and buildings tested for pollutants), product conformity and sustainability (ecotoxicological assessment of construction chemicals and explosives), risk assessment and reduction for the entry of pollutants into water and groundwater, and analytics of solid and water samples including reporting. The company thus offers a wide range of services aimed at protecting the environment and developing sustainable solutions for customers.

GETREIDEZÜCHTUNG PETER KUNZ, Verein für Kulturpflanzenentwicklung

Since 2000 · 21–50 empl.·4.5(11)

The core activity of Getreidezüchtung Peter Kunz (gzpk) is the development and breeding of crops, particularly cereals and legumes, for organic farming. The company focuses on breeding adaptable plants for a resilient food system and works closely with farmers, organizations, and networks.

CO2 Discount AG

Since 2015 · 1–10 empl.·4.6(9)

CO2 Discount AG provides calculation and handling services for the CO2 levy on vehicle imports and offers CO2 pool management for importers. The company also supplies customs clearance, transport coordination, homologation support, and payment and insurance services related to vehicle imports.

Schweizerische Energie-Stiftung

Since 1977 · 21–50 empl.·3.6(14)

The core activity of the Swiss Energy Foundation (SES) is to promote a human and environmentally friendly energy policy. This includes in particular: Information work: SES provides background knowledge to the media, organizes events and publications, and raises public awareness of the problems of fossil and nuclear energy. Research: SES develops basic principles and positions on energy issues and commissions external studies. Lobbying: SES engages in dialogue with political institutions, authorities and other interest groups to achieve its goals. SES is committed to promoting renewable energy, reducing fossil and nuclear energy, and increasing energy efficiency and sufficiency.

Klimagie Ingenieure AG

Since 2020 · 1–10 empl.·4.7(12)

Klimagie Ingenieure AG is an independent engineering firm specializing in energy and building services (HVAC and sanitary systems). It provides consulting, energy planning, overall engineering and owner representation, prepares expert reports, and develops integrated solutions for heating, ventilation, air conditioning, cooling and sanitary systems using digital methods such as BIM and simulations.

Vaporex AG

Since 2021 · 1–10 empl.·5.0(10)

The core activity of Vaporex is the development and distribution of cleaning systems that work with micro-dry steam, making them chemical-free. These systems are offered for various application areas such as commerce, industry, vehicle operations, schools, kindergartens, hotels, and households. The company focuses on sustainable and environmentally friendly solutions for cleaning and disinfection.

Pexapark AG

Since 2017 · 101–500 empl.·4.5(13)

The core activity of Pexapark is the development of software solutions for risk and revenue management in the field of renewable energies, particularly for trading in renewable energies and portfolio management in the energy sector. The company also provides consulting services and educational resources for companies active in the field of renewable energies.

South Pole AG

Since 2008 · 101–500 empl.·3.6(30)

South Pole AG provides climate-related services to support organisational decarbonisation, including climate consulting, environmental certificates (such as carbon credits and Energy Attribute Certificates) and project finance for climate projects. The company assists clients with measurement, reporting, target setting and value-chain decarbonisation services.

EM-Syntropy AG

Since 2015 · 1–10 empl.·4.9(7)

The company is primarily engaged in the development and distribution of products and services in the field of ecological agriculture, gardening, and environmental improvement. The core activities include: * The production and distribution of charcoal and other ecological products such as Bokashi and EMa (Effective Microorganisms) * The development and distribution of copper devices for soil analysis and improvement * The implementation of courses and workshops on topics such as ecological agriculture, gardening, and environmental improvement * The consulting and support of farmers, gardeners, and private individuals in improving soil quality and the environment The company aims to promote sustainable and environmentally friendly agriculture and gardening, and to improve the environment.

Representa AG

Since 1949 · 1–10 empl.

The core activity of Representa AG is the development and application of chemical-free treatment technologies for the recovery of water and valuable ingredients from process streams in agriculture and the textile industry. This includes in particular the treatment of biomass, the recovery of indigo and caustic soda, as well as the purification of wastewater.

Schweizerische Stiftung für Vogelschutzgebiete (SSVG)

Since 1974 · 51–100 empl.

The core activity of BirdLife Switzerland is the promotion and protection of biodiversity, particularly bird diversity, through various projects and activities such as species promotion, habitat conservation, environmental education and awareness. The company operates nature centers, advocates for sustainable agriculture and energy transition, and is involved in research and conservation of bird species and their habitats.

BARCIKOWSKI CONSULTING AG

Since 1977 · 1–10 empl.

BARCIKOWSKI CONSULTING AG provides consulting services in the cleantech sector and supports projects and investments in advanced environmental technologies. The firm's activities include IP-related consulting and involvement in technologies such as third‑generation biodiesel production and filter, insulation and battery technologies.

Anna Zemp-Stiftung für umfassenden Mitweltschutz (SUMS)

Since 1978 · 1–10 empl.

The core activity of the Anna Zemp Foundation is the promotion of biodiversity and nature education. It operates a nature garden where it preserves and promotes species diversity, and offers programs and activities to inspire people about nature and enable them to act responsibly.

IN-FINITUDE AG

Since 1983 · 1–10 empl.

The core activity of IN-FINITUDE AG is the development and implementation of sustainable solutions, particularly in the field of nature-based solutions (Nature-based Solutions, NbS), environmental monitoring and project management. The company offers consulting, education and networking services to support organizations in achieving their sustainability goals.

UT 99 AG

Since 1984 · 51–100 empl.

The core activity of UT99 is the development, production and distribution of oil mist separators and filter technologies for various applications, particularly for combustion engines, lubricating oil tank ventilation, gas and steam turbines. UT99's products and solutions aim to reduce emissions of oil mist and pollutants, and to improve the efficiency and reliability of engines and plants.

Heinz Suchy Automobile

Since 1985 · 1–10 empl.

The core activity of Heinz Suchy Automobile / Strahltechnik encompasses two main areas: 1. **Innovative Blasting Technology**: The company offers solutions in the field of blasting technology, particularly with PMB technology (Plastic Media Blasting), which is an environmentally friendly and pollutant-free method for surface treatment. 2. **Classic Car Restorations**: Heinz Suchy Automobile / Strahltechnik restores and maintains classic cars, with blasting technology being an essential part of the restoration process. In addition, the company also provides services such as conception and consulting for blasting plant construction, blasting training, and masking technology.

Anticaro AG

Since 1988 · 1–10 empl.

The core activity of Anticaro AG is the development, manufacture and marketing of lime and rust protection devices that reduce lime deposits in tap water without the use of chemicals or energy consumption, thereby extending the lifespan of devices and saving energy costs.

AQUA ART AG

Since 1988 · 1–10 empl.

AquaClic, Aqua Art AG, develops and distributes water-saving showerheads and other sanitary products for private households, companies and municipalities. The company's core activity is the manufacture and distribution of environmentally friendly sanitary products, particularly showerheads that save water and energy. The company also offers personalized products and solutions for companies and municipalities to promote sustainability and brand presence.

Essere SA

Since 1988 · 1–10 empl.

Essere SA is the provider of Umweltgemeinde, a consulting service for municipal and public administrations. The service offers professional advice on environmental protection, waste management, environmental education and event concepts, including consultancy subscriptions.

synergo Mobilität - Politik - Raum GmbH

Since 1988 · 1–10 empl.

The core activity of Synergo is the implementation of research and evaluation, consulting and support, conception and project management for public and private institutions in the fields of mobility management, transport, planning processes, participation, space and society as well as environment and energy.

Loacker Swiss Recycling AG

Since 1990 · 21–50 empl.

Loacker Swiss Recycling AG is a waste management and recycling company that processes and recovers materials such as scrap metal and non‑ferrous metals. Its services include end‑of‑life vehicle recycling, metal and cable processing, container systems for waste collection, demolition and clearing works, and document destruction.

topos Marti & Müller AG

Since 1991 · 1–10 empl.

The core activity of topos Marti & Müller AG is consulting and accompanying projects in the fields of nature conservation, ecology and botany. This includes in particular: botanical basic surveys, species protection, habitat and vegetation surveys, monitoring, ecological design and maintenance of protected areas, ecological agriculture, and biodiversity monitoring. The company offers its services from planning to implementation of measures in construction projects and inventories, documents, researches and plans nature.

UCW Umwelt Controlling + Consulting Wälti

Since 1991 · 1–10 empl.

The core activity of UCW - UMWELT CONTROLLING + CONSULTING WÄLTI is to advise and support companies and organizations on environmental protection and sustainability issues, particularly through environmental controlling and consulting.

Orniplan AG

Since 1992 · 1–10 empl.

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.

Roal GmbH

Since 1994 · 11–20 empl.

The company's core activity is the development, production and trade of systems for the use of rainwater (RWN) as well as the planning and distribution of automatic irrigation systems.