Sustainability Sector in the
Canton of Solothurn

62 companies in Sustainability Sector based in the Canton of Solothurn — name and year of registration from the commercial register.

Companies

50 of 62 companies

BV Kompostieranlage Oensingen AG

Since 1994

Composting of green waste and organic materialsSale of compost and soil productsSale of mulch and soil improvement products

View profile4.8(9)

Diotrol AG

Since 2000

Wood protection productsProducts for indoor areasProducts for outdoor areas

View profile4.6(28)

UMWEKO GmbH

Since 2005

Advisory, inspections and expert reports on biomassCourses and initial and continuing educationComposting and anaerobic digestion

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Eartheffect AG

Since 2010

WorkshopsWorkshops for Health CentresWorkshops for Hospitality Businesses

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Wanner Expert GmbH

Since 2011

Emissions measurements

View profile5(1)

Enerhaus Engineering AG

Since 2011

Energy planning

View profile5(3)

Linda Thomas Concepts

Since 2012

Lectures and seminars on care of spaces and household managementOnline courses from the Linda Thomas AcademyBooks

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KRAMER fashion & design

Since 2012

Made-to-measure menswearMade-to-measure womenswearDesign of timeless clothing

View profile5(7)

Energiewirt GmbH

Since 2012

Biomethane contractingBiomethane project developmentTarget agreements and WERZ certification

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Dryden Aqua Distribution AG

Since 2012

Water Treatment SolutionsAFM Activated Filter MediaCoagulant and Flocculant (APF)

View profile5(36)

Gasche Bau und Energie GmbH

Since 2015

Construction administrationProject management in an industrial settingConstruction client advisory

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Cleantech Businesspark AG

Since 2015

Rental of commercial and office spacesAdvisory services for startups and young entrepreneursPlatform for pilot plants

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Weit&Breitsicht GmbH

Since 2015

Project Development & SupportStrategic Planning & ConceptsSet-up & Management of Secretariats

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ALT Taschen GmbH

Since 2016

Handmade tarpaulin bagsCustom tarpaulin bags for companiesShowroom visits by appointment

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ADANSONIA GmbH

Since 2016

Garden planningPlayground planningOnline garden shop

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Koltiva AG

Since 2017

Digital Traceability Solution (KoltiTrace)Professional Services for Supply Chains and Field Work (KoltiSkills)EUDR Compliance Support

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Stiftung ELIANT

Since 2017

Civil society advocacy for choices and cultural diversityIssue-based public relations and information disseminationPolitical work on core areas of applied anthroposophy

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Kisters Schweiz GmbH

Since 2018

Water, weather and environmental sensingData managementAnalytics and decision support

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Institut für angewandte Pflanzenbiologie AG

Since 2018

Forest monitoringUrban tree monitoringResearch projects

View profile5(1)

KONTCH's E & E GmbH

Since 2018

B2B Coffee CreatorSpecial Edition CoffeeSustainable Coffee

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FishConsulting GmbH

Since 2019

Telemetric surveysImpact monitoringElectrofishing

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Smart Sanieren GmbH

Since 2020

Energy CheckGEAK PlusRenovation support

View profile5(6)

EcoTerra AG

Since 2020

Integrated soil improvement projectsProcessing of soil materialSpreading, loosening and mixing in

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JSK Marketing GmbH

Since 2020

Floor cleaning machine (Rotowash)Air purifierVacuum cleaner

View profile4.3(4)

cleanosign GmbH

Since 2021

Cleaning of photovoltaic systemsThermography of photovoltaic systemsDesign and optimisation of photovoltaic systems

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Rangernetz GmbH

Since 2021

Protected-area management and supervisionDocumentation and reportsNature education and awareness

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fokus-e gmbh

Since 2021

Energy consultingRoadmap to net zero by 2050QM for wood heating plants

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Butig74, A. Schöni

Since 2022

Firecooking workshopsOutdoor eventsPermaculture garden consulting and design

View profile5(1)

Verein Wisent im Thal

Since 2022

Wisent project Wisent ThalWisent enclosure visitGuided Wisent tours

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EnergieBauStelle GmbH

Since 2023

Energy consultingHeating system replacementBuilding consulting and modernisation

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KP Wärme- & Solartechnik GmbH

Since 2023

Heating systemsHeating system refurbishmentRefrigeration and air-conditioning systems

View profile5(3)

DiZtribution GmbH

Since 2024

Distribution of sustainable beverages & food100% Mango JuiceBanana chips (Farmony)

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SYMBO GmbH

Since 1998

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suntec4u GmbH

Since 2011

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Purposelab GmbH

Since 2019

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Ecotec Umwelttechnik AG

Since 1991

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Remac Energie Technik GmbH

Since 1996

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Christoph Ziegler

Since 1996

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KLIMEX Klaus Klook

Since 2001

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Umweltdesign Blatter

Since 2009

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Verein Energieallianz

Since 2009

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SUMTEC GmbH

Since 2011

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Globedev AG

Since 2012

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Normal GmbH

Since 2015

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E. Flückiger AG, Zweigniederlassung Olten

Since 2016

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MehrWertZiegler-GmbH

Since 2017

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HS Beratungsgesellschaft GmbH

Since 2018

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Kuehn Naturkost

Since 2018

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ADAM Ressourcen Consulting

Since 2019

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sensible solution H. Buri

Since 2020

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Sustainability Sector in the Canton of Solothurn

62Sustainability SectorCommercial register (Zefix) · as of September 25, 2026

2018Median year of registrationCommercial register (Zefix) · as of September 25, 2026

62in the Canton of SolothurnCommercial register (Zefix) · as of September 25, 2026

3,459in SwitzerlandCommercial register (Zefix) · as of September 25, 2026

Locations

Sustainability Sector in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 25, 2026

Largest places

Olten8 Solothurn6

Place axis

Other industries in the Canton of Solothurn

All companies in the Canton of Solothurn

Property Management960 Holding Companies806 Restaurants646 Management Consulting628 IT Consulting & Services608 Real Estate Project Development529 Real Estate Brokerage509 Automotive & Vehicle Trade477 Auto Repair Shops451 Technical Consulting & Engineering372 Fiduciary Offices359 Facility Management & Cleaning332 Software Development325 Advertising Agencies313 Architecture Firms302 Coaching & Personal Development301 Logistics & Transport Companies292 Online Shops269 Painting & Plastering265 Horticulture & Landscaping254 Building Maintenance246 Other Service Industries243 Plumbing & Building Services240 Hair Salons226 Wholesale - General Specialty Trade225 Mechanical Engineering Industry223 Interior Construction222 General Contractors213 Construction & Project Management202 Trade Fair & Event Organizers192 Flooring & Tiling187 Electrical Planning & Installation179 Catering179 Repair of Machinery & Electronic Devices175 Beauty Salons174 Building Construction160 Wholesale - Machinery & Technical Equipment158 Food Processing156 Metal Industry156 Metal Construction149 Retail - General Specialty Trade147 Retail - Textiles & Clothing146 Continuing Education Institutes145 Retail - Food & Luxury Items145 Recruitment & HR Consulting132 NGOs & NPOs127 Solar & Photovoltaics121 Joinery115

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Sustainability Sector in theCanton of Solothurn

50 of 62 companies

Sustainability Sector in the region

Sustainability Sector in other places

Other industries in the Canton of Solothurn

Sustainability Sector in the
Canton of Solothurn