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Fankhauser Solar AG 

Solothurn · Since 2014

The core activity of Fankhauser Solar AG is the distribution and consulting of products and solutions in the field of photovoltaics, including solar modules, inverters, storage systems, mounting systems, accessories and electromobility. The company also offers services such as consulting, planning and conception, logistics, training and events to support customers in realizing their photovoltaic projects.

Flury und Rudolf Architekten AG 

Solothurn · Since 2002

Flury und Rudolf Architekten AG is an architectural firm that provides planning and project services according to SIA 102 as general planner. The office undertakes new construction, renovation and restoration projects—particularly for churches, public buildings and residential/commercial properties—and carries out studies, analyses and research activities.

Grund- und Tiefbau AG Solothurn 

Solothurn · Since 1971

The core activity of Grund- und Tiefbau AG Solothurn lies in the field of special foundation engineering, particularly in sheet piling work. The company offers solutions for large and small construction projects and has a modern machine park for pile driving work. The specific activities include: sheet piling work (vibrating, pressing, driving), soil mixing processes, foundation systems (driven piles), vertical drainage, and bracing and stiffening. The company positions itself as a sheet piling specialist and offers innovative solutions for complex construction projects.

GSW Revisions AG 

Solothurn · Since 2020

GSW Revisions AG provides audit and assurance services in compliance with legal and professional requirements. Services include limited audits, financial statement audits under Swiss GAAP FER, review engagements and special audits (e.g., capital measures, liquidation audits, pay-equity reviews) for SMEs, foundations, associations and individuals.

GSW Treuhand AG 

Solothurn · Since 1991

GSW Treuhand AG provides fiduciary, tax and business consulting services, including bookkeeping, payroll, VAT support and outsourcing of financial functions. Audit services are provided through its sister company GSW Revisions AG, and its clients include SMEs, foundations, associations and private individuals.

Hafner Daniel 

Solothurn · Since 1993

The company's core activity is carpentry, particularly the individual manufacture and repair of wood products, as well as consulting and implementing customer requests in the field of carpentry.

Hypnose Steiner 

Solothurn · Since 2021

The company's core activity is the application of hypnosis, coaching and neuro-linguistic programming (NLP) to support individuals in overcoming blockages, fears and other challenges, in order to achieve sustainable well-being and positive change.

INVA Mobil 

Solothurn · Since 1984

The core activity of INVA mobil is passenger transport, particularly for people with mobility impairments, the elderly and people with disabilities. The company offers transportation services tailored to the needs of these groups and has wheelchair-accessible vehicles. The trips are partially subsidized by the canton and the company also works with health insurance companies and other institutions.

Jura Bauconsulting GmbH 

Solothurn · Since 2019

The core activity of Jura Bauconsulting GmbH (Jubacon) is consulting and accompanying clients in matters of construction defects, damage, pollutants and expert opinions. Specifically, this includes: identification and removal of pollutants such as asbestos, radon and mold; detection and rectification of construction damage; construction controlling to prevent construction defects and efficiently manage construction projects; and expert opinions and reports for real estate and construction projects. The company thus offers comprehensive services in the field of construction consulting and support.

KALANT AG 

Solothurn · Since 2004

The core activity of KALANT AG is grinding technology, particularly the fine machining of workpieces with the highest precision.