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Goldschmiede Oliver Ruedi Leuenberger 

Solothurn · Since 2012

The core activity of Goldschmied Leuenberger is the manufacture and design of individual pieces of jewelry, particularly one-of-a-kind items, by goldsmith Oliver R. Leuenberger. This includes the creative implementation of customer wishes and ideas into handmade pieces of jewelry, often in personal consultations at the customer's home.

Gottlieb und Hans Vogt Stiftung 

Solothurn · Since 1957

The core activity of the Gottlieb and Hans Vogt Foundation is to promote media projects that support media diversity and the training and further education of journalists in the canton of Solothurn. This includes providing financial support to projects that are sustainable and forward-looking, as well as promoting research and development in the media sector. The foundation also supports journalistic research and places a strong emphasis on promoting investigative journalism.

Grafik + Desktop Atelier Roland Hasler 

Solothurn · Since 1988

The core activity of Grafik Atelier Roland Hasler is the creation of graphic designs, particularly in the field of logo design, as well as providing printing services for various media such as business stationery, brochures, flyers, cards, packaging and books.

Greybirds GmbH 

Solothurn · Since 2015

The company provides marketing and communication consulting, as well as coaching. It has expertise in the areas of printing and post-press processing, online technologies, customer service and technical service. The company's core activity is the creation of marketing concepts and the implementation of marketing strategies for various industries, particularly for startups and small to medium-sized enterprises.

GRUPPO MEZZOGIORNO AG 

Solothurn · Since 2020

GRUPPO MEZZOGIORNO AG is a holding company that can finance retail store projects on request and takes minority equity stakes in start-ups. The website lists Katharina Nüssli (managing director) and Aleksandar Mihajlovic (head of finance) as board representatives.

gsj architekten ag 

Solothurn · Since 1999

The company's core activity is the planning and realization of construction projects, particularly in the fields of architecture, urban planning and monument preservation. This includes the creation of concepts, preliminary studies, feasibility studies, designs and execution plans, as well as construction management and cost control. The company also offers specialized services such as competition jurying, expert opinions and client representation.

Haller Architekten GmbH 

Solothurn · Since 2014

The core activity of Haller Architekten GmbH is the provision of architectural and construction services, including planning, construction management and construction supervision for various types of construction projects, such as single-family homes (SFH), multi-family homes (MFH) and renovations.

Hamamatsu Photonics France, Massy (F), Zweigniederlassung Solothurn 

Solothurn · Since 2006

Hamamatsu Photonics K.K. is a Japanese manufacturer of photon and optical components and systems. The company's core activity is the development, manufacture and distribution of products and technologies in the field of photonics, including optical components, lasers, detectors, image processing systems and other photonic products.

Hauri emprest AG 

Solothurn · Since 2022

The company provides services and consulting in the field of public transportation, particularly in the areas of personnel scheduling, service and rotation planning, network planning, and vehicle scheduling. It supports customers in the implementation and deployment of IVU Traffic Technologies solutions, such as IVU.timetable, IVU.run, IVU.duty, IVU.vehicle, and IVU.pad. The company offers first- and second-level support, project accompaniment, consulting, and representation in ongoing operations.

Hausärzte Region Solothurn AG 

Solothurn · Since 2007

The core activity of the company "Hausärzte Region Solothurn AG" consists of organizing and promoting general practitioner care, in particular through: quality assurance and further training of doctors in the network through quality circles; networking of general practitioners with regional specialists and hospital doctors; promoting cooperation and information exchange between doctors; representing and defending the interests of general practitioners vis-à-vis authorities and insurers; offering managed care projects and cost-efficient basic medical care; operating a general practitioner model with contract health insurance companies and other partners.