Sustainability Sector in
Solothurn

6 companies in Sustainability Sector based in Solothurn — name and year of registration from the commercial register. The list below shows them all.

Companies

All 6 companies in Solothurn

Wanner Expert GmbH

Since 2011

Emissions measurements

View profile5(1)

Weit&Breitsicht GmbH

Since 2015

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

Rangernetz GmbH

Since 2021

Protected-area management and supervisionDocumentation and reportsNature education and awareness

Christoph Ziegler

Since 1996

Verein Energieallianz

Since 2009

Sustineo AG

Since 2023

Sustainability Sector in Solothurn

6Sustainability SectorCommercial register (Zefix) · as of September 23, 2026

2015Median year of registrationCommercial register (Zefix) · as of September 23, 2026

62in the Canton of SolothurnCommercial register (Zefix) · as of September 23, 2026

3,459in SwitzerlandCommercial register (Zefix) · as of September 23, 2026

Locations

Sustainability Sector in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 23, 2026

Largest places

Place axis

Other industries in Solothurn

All companies in Solothurn

Holding Companies96 Management Consulting92 Property Management89 Restaurants87 IT Consulting & Services78 Architecture Firms59 Real Estate Project Development57 Fiduciary Offices56 Coaching & Personal Development50 Software Development50 Real Estate Brokerage45 Advertising Agencies44 Hair Salons43 Beauty Salons31 NGOs & NPOs30 Cultural & Educational Organizations30 Technical Consulting & Engineering29 Continuing Education Institutes29 Recruitment & HR Consulting27 Catering25 Trade Fair & Event Organizers23 Psychiatry & Psychotherapy22 Retail - Textiles & Clothing22 Clubs, Bars & Event Venues21 Retail - General Specialty Trade20 Other Service Industries18 Food Processing17 Retail - Food & Luxury Items17 Construction & Project Management16 Sports & Recreation Instruction16 Naturopathic Clinics16 Non-Medical Healthcare Professions16 Physiotherapy16 Medical Technology Industry16 Web Portals & Platform Companies16 Wholesale - General Specialty Trade16 Online Shops15 Retail - Bicycles & Sports Equipment15 Painting & Plastering14 Solar & Photovoltaics14 Financial Services14 Hotels14 Administrative Services13 Law Firms & Notary Offices13 General Contractors13 Pension Funds13 Plumbing & Building Services12 General Practitioner Clinics12

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