Nature conservation organization in the
Canton of Solothurn

66 companies in Nature conservation organization based in the Canton of Solothurn — name and year of registration from the commercial register.

Companies

50 of 66 companies

Dryden Aqua Distribution AG Logo

Dryden Aqua Distribution AG

Since 2012 · 11–20 empl.5.0(36)

The core activity of Dryden Aqua is the development, manufacture and distribution of innovative, sustainable and cost-effective water treatment solutions, particularly activated carbon filter media such as AFM, for various applications including drinking water treatment, wastewater treatment, aquaculture, swimming pools and industrial process water treatment.

Nature conservation organizationWater Treatment SolutionsAFM Activated Filter MediaCoagulant and Flocculant (APF)
ranQ Trust Score 4.7 out of 5.0, rated Excellent, Rank #1
Diotrol AG Logo

Diotrol AG

Since 2000 · 21–50 empl.4.6(29)

Diotrol AG offers products for wood protection and care, including natural oil glazes for different types of wood and applications.

Nature conservation organizationWood protection productsProducts for indoor areasProducts for outdoor areas
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #2
UMWEKO GmbH Logo

UMWEKO GmbH

Since 2005 · 1–10 empl.

The core activity of Umweko is consulting, inspection, training and education in the field of biomass, particularly in the areas of composting, biogas, sewage sludge and wastewater treatment plants, as well as environmental expertise and plant operation.

Nature conservation organizationAdvisory, inspections and expert reports on biomassCourses and initial and continuing educationComposting and anaerobic digestion
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Stiftung Robert und Marcelle Strüby-Fertig Logo

Stiftung Robert und Marcelle Strüby-Fertig

Since 2007 · 1–10 empl.

Stiftung Robert und Marcelle Strüby-Fertig works to protect natural areas and to promote environmentally appropriate tourism and recreational activities. The foundation supports projects such as school stays in mountain huts, trail and facility maintenance, and initiatives that facilitate youth access to nature.

Nature conservation organizationContributions to nature and environmental protection projectsPromotion of environmentally compatible tourism activitiesPromotion of hiking, mountaineering and skiing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Eartheffect AG Logo

Eartheffect AG

Since 2010 · 1–10 empl.

The Eartheffect GmbH company focuses on promoting sustainability through participation and education. The core activities include: Developing and implementing workshops, projects, and offers that support organizations and companies in developing and implementing a sustainable and circular economy strategy. Creating online courses and learning platforms, such as "Shape the Circle" and "Future Perfect", that support companies and educational institutions in integrating sustainability and circular economy. Providing consulting and training services for gastronomy businesses to promote energy efficiency and sustainability. Organizing events and trade fairs, such as the "Piazza Circulaire", to inspire the general public and local businesses to adopt sustainable practices. Developing interactive offers, such as "Circular Quest", to raise awareness and understanding of circular economy. Overall, the company's focus is on promoting sustainability and circular economy through education, participation, and consulting.

Management consultantWorkshopsWorkshops for Health CentresWorkshops for Hospitality Businesses
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Energiewirt GmbH Logo

Energiewirt GmbH

Since 2012 · 1–10 empl.

Energiewirt GmbH develops biomethane projects and supports their implementation for industrial companies and biogas plants. Its services include project and business development, site-specific solutions, funding coordination, and connecting producers with gas buyers.

Nature conservation organizationBiomethane contractingBiomethane project developmentTarget agreements and WERZ certification
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
Cleantech Businesspark AG Logo

Cleantech Businesspark AG

Since 2015 · 11–20 empl.

The core activity of Cleantech Businesspark AG is to provide spaces and infrastructure for founders and companies specializing in applied future technologies, particularly in the cleantech industry. The company operates a startup center and innovation forum that brings together companies and research institutions to promote innovations and sustainable technologies.

Nature conservation organizationRental of commercial and office spacesAdvisory services for startups and young entrepreneursPlatform for pilot plants
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
Weit&Breitsicht GmbH Logo

Weit&Breitsicht GmbH

Since 2015 · 11–20 empl.

The core activity of Weit&Breitsicht GmbH is consulting and project work in the areas of sustainability, energy, mobility, economy and politics. The company offers services such as spatial planning, communication, education and school gardens, and deals with topics such as environmental protection, sustainable development and political consulting.

Management consultantProject Development & SupportStrategic Planning & ConceptsSet-up & Management of Secretariats
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
Koltiva AG Logo

Koltiva AG

Since 2017 · 101–500 empl.

Koltiva AG develops digital solutions for transparent and traceable agricultural supply chains. Its offerings include software for traceability and farm and supply-chain management, alongside services such as farm mapping, risk assessments, agricultural training and advisory support.

Nature conservation organizationDigital Traceability Solution (KoltiTrace)Professional Services for Supply Chains and Field Work (KoltiSkills)EUDR Compliance Support
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
Stiftung ELIANT Logo

Stiftung ELIANT

Since 2017 · 11–20 empl.

The core activity of ELIANT is the promotion and support of initiatives and projects in the field of applied anthroposophy, particularly in the areas of: * Integrative medicine and health promotion * Waldorf/Steiner pedagogy and education * Biodynamic agriculture and nutrition * Curative education and social therapy * Economy and social development. The company is also committed to European policy and advocates for a sustainable development perspective. It offers consulting, guidance, information, and events to support people on their path to healthy change.

Nature conservation organizationCivil society advocacy for choices and cultural diversityIssue-based public relations and information disseminationPolitical work on core areas of applied anthroposophy
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
Kisters Schweiz GmbH Logo

Kisters Schweiz GmbH

Since 2018 · 21–50 empl.

KISTERS is a provider of solutions and services in the fields of environment, energy, water, and occupational safety. The core activities include: environmental consulting and management, development and distribution of software solutions for managing environmental data, hazardous substances, and hazardous goods transport, provision of 2D and 3D printers, scanners, and viewers, solutions for the energy market, including cloud solutions, smart grid, and control technology, provision of environmental sensors and measuring devices, data management and analysis for the environmental and energy sector, and consulting and support for the digitalization of processes and systems. Overall, the core activity of KISTERS can be described as 'Environmental and Energy Management Solutions'.

Nature conservation organizationWater, weather and environmental sensingData managementAnalytics and decision support
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #11
KONTCH's E & E GmbH Logo

KONTCH's E & E GmbH

Since 2018 · 1–10 empl.

The core activity of KONTCH's E&E is the cultivation, processing and sale of coffee. The company practices sustainable agriculture to produce high-quality coffee and also offers special coffee creations developed with biological expertise. Furthermore, the company is committed to social projects, particularly in the areas of education and social well-being of its employees and the surrounding communities.

Nature conservation organizationB2B Coffee CreatorSpecial Edition CoffeeSustainable Coffee
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
FishConsulting GmbH Logo

FishConsulting GmbH

Since 2019 · 1–10 empl.

The core activity of FishConsulting GmbH is focused on aquatic ecology and fish biology, particularly in the examination and consulting of flowing waters, their passability and ecology. The core competencies include the examination of fish migration, fish populations and the effectiveness of revitalization projects. This also includes the implementation of telemetric studies, effectiveness controls, video monitoring, habitat analyses, population assessments, electric fishing and the creation of concepts for the restoration of near-natural river sections.

Nature conservation organizationTelemetric surveysImpact monitoringElectrofishing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #13
EcoTerra AG Logo

EcoTerra AG

Since 2020 · 11–20 empl.

EcoTerra AG provides agricultural services for earthmoving, land reclamation and soil improvement. Its activities include consulting and project planning, soil preparation and transport, soil distribution and loosening, sowing, crop care and harvesting.

Nature conservation organizationIntegrated soil improvement projectsProcessing of soil materialSpreading, loosening and mixing in
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #14
Institut für angewandte Pflanzenbiologie AG Logo

Institut für angewandte Pflanzenbiologie AG

Since 2018 · 11–20 empl.5.0(1)

The company's core activity is the monitoring and analysis of forest ecosystems and urban trees, including the study of influences such as climate change, air pollutants and soil compaction. This also includes laboratory analysis of plant, soil and water samples, as well as conducting measurements and observations in forest and urban areas.

Nature conservation organizationForest monitoringUrban tree monitoringResearch projects
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
BV Kompostieranlage Oensingen AG Logo

BV Kompostieranlage Oensingen AG

Since 1994 · 1–10 empl.4.8(9)

BV Kompostieranlage Oensingen AG accepts organic waste for recovery, including green waste and materials from gardening and agriculture. Food scraps and cooking oils are also accepted for anaerobic digestion.

Nature conservation organizationComposting of green waste and organic materialsSale of compost and soil productsSale of mulch and soil improvement products
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #16
Enerhaus Engineering AG Logo

Enerhaus Engineering AG

Since 2011 · 11–20 empl.5.0(3)

Enerhaus Engineering AG is an engineering consultancy specialising in energy and building services, including HVAC and plumbing design and energy consulting. Its work includes planning building-services systems and energy solutions such as heat pumps and ventilation heat recovery.

EngineerEnergy planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #17
fokus-e gmbh Logo

fokus-e gmbh

Since 2021 · 11–20 empl.

The core activity of fokus-e is energy consulting for industry, commerce and the public sector, with a focus on energy and resource efficiency, decarbonization and the achievement of climate goals. This includes services such as energy check-ups, the development of decarbonization roadmaps, the optimization of facilities and the support of companies in the implementation of projects in the field of renewable energies and resource efficiency.

Nature conservation organizationEnergy consultingRoadmap to net zero by 2050QM for wood heating plants
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #18
KRAMER fashion & design Logo

KRAMER fashion & design

Since 2012 · 1–10 empl.5.0(7)

The core activity of TOM KRAMER Solutions is the cultivation and sale of Paulownia trees as a sustainable solution for climate protection and CO2 compensation. The company offers businesses the opportunity to actively contribute to climate protection by purchasing Paulownia trees and simultaneously achieve their environmental goals. The services include the planting, care and certification of the trees as well as the issuance of recognized CO2 certificates.

Nature conservation organizationMade-to-measure menswearMade-to-measure womenswearDesign of timeless clothing
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #19
Smart Sanieren GmbH Logo

Smart Sanieren GmbH

Since 2020 · 1–10 empl.5.0(7)

Smart Sanieren GmbH provides independent energy consulting for homeowners, carrying out EnergieCheck assessments and GEAK Plus reports to evaluate heating systems and renovation options. Services include technical system planning, assistance with permits and funding applications, and project coordination during implementation.

EngineerEnergy CheckGEAK PlusRenovation support
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #20
cleanosign GmbH Logo

cleanosign GmbH

Since 2021 · 1–10 empl.

The core activity of cleanosign is the cleaning, maintenance and conceptualization of photovoltaic systems in Switzerland. This includes in particular: * Professional cleaning of solar modules to ensure their maximum performance and lifespan. * Periodic control flights using drone technology to monitor the condition of the systems and identify potential problems. * Creation of customized concepts for planning, optimization and life extension of photovoltaic systems. * Thermographic inspections to document the condition of the systems and identify potential problems. The company offers these services to both private and business customers, focusing on promoting a clean and efficient energy future.

Nature conservation organizationCleaning of photovoltaic systemsThermography of photovoltaic systemsDesign and optimisation of photovoltaic systems
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #21
Rangernetz GmbH Logo

Rangernetz GmbH

Since 2021 · 1–10 empl.

The company Rangernetz GmbH offers services in the field of nature interpretation, environmental education, and project development. The core activities include: Organization and implementation of excursions and environmental education programs, Development of customized solutions for the valorization and protection of nature, Sensitization and guidance of visitors and users of nature, Promotion and protection of biodiversity, Design and implementation of projects and tasks in the field of nature and environment. The company positions itself as an expert in the development of creative and sustainable solutions to protect, enhance and bring nature closer to people.

Nature conservation organizationProtected-area management and supervisionDocumentation and reportsNature education and awareness
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #22
Verein Wisent im Thal Logo

Verein Wisent im Thal

Since 2022 · 1–10 empl.

The core activity of the company 'Wisent im Thal' is the reintroduction and protection of European bison in the Jura region of Switzerland. This includes the care and monitoring of free-roaming bison test herds, the implementation of guided tours and educational programs, as well as the sale of souvenirs and the acquisition of supporters and donors for the project.

Nature conservation organizationWisent project Wisent ThalWisent enclosure visitGuided Wisent tours
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #23
KP Wärme- & Solartechnik GmbH Logo

KP Wärme- & Solartechnik GmbH

Since 2023 · 1–10 empl.5.0(4)

The core activity of KP Wärme und Solartechnik GmbH is the planning, implementation and maintenance of efficient and sustainable heating technologies, including the installation of heat pump systems and the renovation of heating systems, as well as consulting and implementing solar technology solutions for private and commercial customers.

Nature conservation organizationHeating systemsHeating system refurbishmentRefrigeration and air-conditioning systems
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #24
Wanner Expert GmbH Logo

Wanner Expert GmbH

Since 2011 · 1–10 empl.5.0(1)

Wanner Expert GmbH carries out emission measurements at combustion and industrial facilities. It checks compliance with applicable air-pollution control regulations and is authorised to perform official emission measurements in all cantons.

Nature conservation organizationEmissions measurements
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #25
EnergieBauStelle GmbH Logo

EnergieBauStelle GmbH

Since 2023 · 1–10 empl.

EnergieBauStelle GmbH provides consulting, concept and planning services for energy-related issues in buildings. Led by an architect and construction manager, the practice supports clients through advice, concept development, planning, implementation, handover and operation, including heating replacement and an initial "renewable heating" consultation (free if the existing heating system is older than 10 years).

ArchitectEnergy consultingHeating system replacementBuilding consulting and modernisation
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #26
JSK Marketing GmbH Logo

JSK Marketing GmbH

Since 2020 · 1–10 empl.4.3(4)

The core activity of JSK Marketing GmbH is the development, manufacture and distribution of products for health, well-being and sustainability, particularly in the areas of air purification, floor cleaning and sleep comfort. The company offers a wide range of products, including air purifiers, vacuum cleaners, floor cleaning machines and accessories, positioning itself as an expert in healthy living conditions.

Nature conservation organizationFloor cleaning machine (Rotowash)Air purifierVacuum cleaner
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #27
Butig74, A. Schöni Logo

Butig74, A. Schöni

Since 2022 · 1–10 empl.5.0(1)

The company Butig74 has a core activity that focuses on several areas: Woodworking: manufacturing furniture from reclaimed wood such as pallets and wine crates, as well as building raised beds and terrace floors. Fire cooking: leading workshops on cooking over an open fire, as well as catering and events with fire cooking. Gardening: mindful gardening, permaculture tours, and sales of garden products. Sales of products: operating an online shop selling woodworking, garden products, and other products. Overall, the company's core activity can be described as a combination of craftsmanship, education, and sales of products in the areas of gardening, woodworking, and fire cooking.

Nature conservation organizationFirecooking workshopsOutdoor eventsPermaculture garden consulting and design
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #28
Ohanas Kinderkleiderbörse Steiner Logo

Ohanas Kinderkleiderbörse Steiner

Since 2026 · 1–10 empl.

Ohanas Kinderkleiderbörse Steiner operates a children’s clothing exchange for baby and children’s clothing as well as other children’s items. Its offer includes second-hand clothing, shoes, accessories, toys, seasonal items, and consignment sales; an online shop is also available.

Nature conservation organizationSecond-hand baby and children's clothingChildren's goods and baby equipmentChildren's toys, books and sports items
ranQ Trust Score 3.4 out of 5.0, rated Solid, Rank #29
Gasche Bau und Energie GmbH Logo

Gasche Bau und Energie GmbH

Since 2015 · 1–10 empl.

Gasche Bau und Energie GmbH provides external building administration and client advisory services for municipalities, and supplies interim project management and temporary leadership for industrial projects. The company also carries out energy analyses of industrial processes and supports procurement and infrastructure maintenance projects.

EngineerConstruction administrationProject management in an industrial settingConstruction client advisory
No score yet
ALT Taschen GmbH Logo

ALT Taschen GmbH

Since 2016 · 11–20 empl.

The core activity of ALT Taschen is to manufacture bags from old, previously used materials such as tarpaulins, which are then offered as employee gifts or give-aways for companies.

Nature conservation organizationHandmade tarpaulin bagsCustom tarpaulin bags for companiesShowroom visits by appointment
No score yet
ADANSONIA GmbH Logo

ADANSONIA GmbH

Since 2016 · 11–20 empl.

The core activity of ADANSONIA GmbH encompasses the planning, consulting and implementation of sustainable and nature-based garden facilities, playgrounds and urban planning projects. This also includes the trade in natural products such as spices and the development of solutions for water retention and biodiversity in urban spaces. The company also offers a platform for the sale of products for garden and landscape construction, such as compost extraction devices and green roof systems.

Nature conservation organizationGarden planningPlayground planningOnline garden shop
No score yet
DiZtribution GmbH Logo

DiZtribution GmbH

Since 2024 · 1–10 empl.

DiZtribution GmbH distributes beverages and food products and brings products to the European market. Its range includes 100% mango juice with no added water or sugar and Farmony banana crisps produced in cooperation with a farm in the Philippines.

Nature conservation organizationDistribution of sustainable beverages & food100% Mango JuiceBanana chips (Farmony)
No score yet
Daniel Meister Consulting Logo

Daniel Meister Consulting

Since 2025 · 1–10 empl.

Daniel Meister Consulting provides IT consulting, AI consulting, and environmental management services. Its work includes project management, software architecture, DevOps, web development, the introduction of AI projects, training, and sustainability reporting.

Management consultantIT consultingAI consultingEnvironmental management
No score yet
SYMBO GmbH Logo

SYMBO GmbH

Since 1998 · 1–10 empl.

The core activity of Symbo GmbH is the development, manufacture and implementation of ecological small wastewater treatment plants, particularly sand filter treatment plants, for the purification of wastewater, as well as the conduct of investigations and services in the field of water and soil quality, including source and groundwater investigations and soil quality analyses.

Nature conservation organization
No score yet
suntec4u GmbH Logo

suntec4u GmbH

Since 2011 · 1–10 empl.

Engineer
No score yet
Purposelab GmbH Logo

Purposelab GmbH

Since 2019 · 1–10 empl.

Nature conservation organization
No score yet
SDC Umwelttechnik GmbH Logo

SDC Umwelttechnik GmbH

Since 2025 · 1–10 empl.

Engineer
No score yet
SA

Stiftung Albert Grütter-Schlatter zur Ergänzung des solothurnischen Naturschutzfonds

Since 1977 · 1–10 empl.

Nature conservation organization
No score yet
EU

Ecotec Umwelttechnik AG

Since 1991 · 1–10 empl.

Nature conservation organization
No score yet
RE

Remac Energie Technik GmbH

Since 1996 · 1–10 empl.

Engineer
No score yet
CZ

Christoph Ziegler

Since 1996 · 1–10 empl.

Nature conservation organization
No score yet
KK

KLIMEX Klaus Klook

Since 2001 · 1–10 empl.

Nature conservation organization
No score yet
UB

Umweltdesign Blatter

Since 2009 · 1–10 empl.

Translation agency
No score yet
VE

Verein Energieallianz

Since 2009 · 1–10 empl.

Nature conservation organization
No score yet
SG

SUMTEC GmbH

Since 2011 · 1–10 empl.

Nature conservation organization
No score yet
GA

Globedev AG

Since 2012 · 1–10 empl.

Nature conservation organization
No score yet
NG

Normal GmbH

Since 2015 · 1–10 empl.

Research institute
No score yet
EF

E. Flückiger AG, Zweigniederlassung Olten

Since 2016 · 1–10 empl.

Nature conservation organization
No score yet
M

MehrWertZiegler-GmbH

Since 2017 · 1–10 empl.

Other services
No score yet

Nature conservation organization in the Canton of Solothurn

66Nature conservation organizationCommercial register (Zefix) · as of November 5, 2026
2018Median year of registrationCommercial register (Zefix) · as of November 5, 2026
66in the Canton of SolothurnCommercial register (Zefix) · as of November 5, 2026
3,791in SwitzerlandCommercial register (Zefix) · as of November 5, 2026
Locations

Nature conservation organization in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 5, 2026

Largest places

Olten8Solothurn8