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Stiftung Pestalozzi Schulcamps 

Basel · Since 2019

The company is primarily engaged in promoting education and culture, particularly for socially disadvantaged children. It develops and offers innovative programs and methods to inspire children and foster their talents. This includes art and cultural projects, such as dance and theater workshops. The company's core activity is therefore in the field of education and cultural mediation.

Stiftung Pflegewissenschaft Schweiz 

Basel · Since 2005

The company's core activity is the promotion of nursing science through knowledge transfer and support.

Stiftung Presencia 

Basel · Since 1981

The core activity of the Presencia Foundation is to support and improve the living conditions of children and young people in Colombia, particularly by providing assistance to children, students and learners, as well as promoting education and prevention work.

Stiftung Pro Artenvielfalt 

Basel · Since 2011

The core activity of the "Stiftung Pro Artenvielfalt" foundation is the promotion and protection of endangered wildlife species and their habitats. This includes in particular: land acquisition and sustainable building and biotope development; the construction of species protection buildings with nesting sites and habitats for endangered animal species; bird migration protection through international bird protection camps and campaigns against illegal bird poaching in Southern Europe; and support for wildlife rescue stations and reintroduction projects for endangered species such as fish eagles and hedgehogs. The foundation thereby pursues a comprehensive strategy for the protection and promotion of biodiversity in Switzerland and beyond.

Stiftung Pro Zukunftsfonds Schweiz 

Basel · Since 2016

Ava Science Inc. develops and distributes a fertility tracker based on wearable technology and health sensors. The company's core activity lies in the development and marketing of products and services in the field of fertility and reproductive medicine. In contrast, Soflow focuses on developing solutions for micromobility and commuter traffic in cities, aiming to revolutionize urban traffic and offer commuters more flexibility and time savings.

Stiftung Scobag 3a Direktinvest 

Basel · Since 2014

Stiftung Scobag 3a Direktinvest is a pension solution for private Pillar 3a that implements investments via direct holdings according to defined strategies. It offers three strategies (up to 40%, 60% or 100% equity), integrates ESG criteria and charges an all‑in fee of 0.9% p.a., with no product costs for direct investments.

Stiftung tunSchweiz 

Basel · Since 2009

The core activity of the tunSchweiz foundation is to inspire and promote children and young people in the subjects of mathematics, computer science, natural sciences and technology (MINT) by offering interactive experience exhibitions and research stations, in order to counteract the shortage of young talent in these areas.

Stiftung Widar 

Basel · Since 1999

The core activity of Fondazione Widar includes the promotion of education, art, agriculture and medicine, particularly in the field of medicinal plant cultivation and therapy, as well as the preservation of culture and landscape.

Streicher & Brotschin Treuhand AG 

Basel · Since 1969

The core activity of Streicher & Brotschin Treuhand AG is the provision of services in the following areas: trust services, taxes, consulting, auditing, corporate consulting, and legal consulting. The company offers its customers professional service with a high level of quality awareness, relying on modern technologies such as ABACUS Business Software to provide fully digitized and automated workflows.

Streicher & Brotschin Revision AG 

Basel · Since 2008

The core activity of Streicher & Brotschin Treuhand AG is the provision of services in the following areas: Trust services, Taxation, Consulting, Auditing, Business consulting, and Legal consulting. The company offers its customers professional service with a high level of quality awareness, particularly in the area of digitized and automated processes in accounting and taxation.

Stuker Management GmbH 

Basel · Since 2023

Stuker Management GmbH provides project management and consulting services, including project leadership, project coaching, client training, site management and energy consulting. The company also offers support for IPMA certification (Levels B–D) and manages infrastructure and industrial projects.

Stuvino, Christian Stuker 

Basel · Since 2010

The core activity of Stuvino is the information and sale of wines and olive oil, particularly from the Murgo and Château de Juliénas wineries, as well as its own wines and olive oil.

Sumbiosis GmbH 

Basel · Since 2006

Sumbiosis GmbH provides negotiation training, moderation and process facilitation to support collaborative decision-making and conflict resolution. The company also offers online workshop formats and web-based tools (e.g. Added Insight, Meeting Ahead, Negotiation Toolbox) and serves public authorities, associations and private-sector clients.

suspiratio online bücherstube Bertschi 

Basel · Since 2003

The company ZVAB (Central Association of Antiquarian Books) is an online marketplace for antiquarian books, sheet music, maps, prints, securities, records and audiobooks. The core activity of the company is to provide a platform for sellers and buyers of antiquarian books and other collectibles, where they can offer and purchase their items.

sustaily development ag 

Basel · Since 2021

The company's core activity is the development and marketing of sustainable and energy-efficient residential properties, particularly new buildings with the highest ecological and energetic standards, such as Minergie-P certification.

Swisscanto Freizügigkeitsstiftung der Kantonalbanken 

Basel · Since 1995

Swisscanto FZS provides services in the areas of pension planning and savings, particularly the management of vested benefits accounts and securities savings plans. The core activity is to offer customers the opportunity to invest their pension assets securely and profitably by choosing between different investment groups. The company works with partner cantonal banks and offers fair fees as well as individual consulting.

Swisschange Group AG 

Basel · Since 2022

Swisschange Group AG is a financial services provider offering mortgage brokerage and asset/wealth management services. The company compares mortgage offers, advises on first‑time buyer, construction and follow‑up financing, and provides tailored investment and wealth‑management solutions.

Swiss Classics GmbH 

Basel · Since 1999

The core activity of the company "swiss classics GmbH" is the organization and implementation of classical concerts, in particular within the framework of the "Lucerne Chamber Circle", as well as the presentation of chamber music evenings, recitals and other musical events with internationally renowned artists.

SWISSPRIVA.CH Schweizerische Privattreuhand AG 

Basel · Since 2012

The core activity of SWISSPRIVA is to advise and support elderly people and their relatives on matters related to aging, particularly in selecting suitable solutions for care, nursing and living situations. The company also offers administrative support and concierge services to enhance the quality of life and autonomy of its clients.

Rocket Isotopes AG 

Basel · Since 2023

Swiss Rockets Stiftung 

Basel · Since 2020

Swiss Rockets Stiftung is an umbrella biotech organization that operates incubator and accelerator programs and manages a portfolio of specialized subsidiary companies. It provides funding, mentorship, regulatory and drug‑development support and corporate governance services; its portfolio includes companies developing next‑generation vaccines, dual PI3K/mTOR therapeutics and radioligand cancer therapies such as Rocketvax, Torqur and Torpedo.

Swiss Rockets AG 

Basel · Since 2018

Swiss Rockets AG is a group company that invests in and develops biotech startups and provides incubator, accelerator and management services. Its activities include funding and mentorship plus support in drug discovery and development, clinical and regulatory affairs, legal and financial guidance, and access to scientific experts and lab/manufacturing resources.

Swiss Solar City AG 

Basel · Since 2013

The core activity of Swiss Solar City is the planning, construction, financing and operation of solar power plants for companies in Switzerland, particularly on buildings and open spaces, with the aim of covering the companies' on-site electricity needs and reducing their energy costs.

Swiss Yachting Association 

Basel · Since 2014

The core activity of the company "Swiss Yachting Association" is the training and examination of high seas certificates for sailors and motorboat drivers in Switzerland. The company offers learning materials, e-learning platforms and exams to prepare users for high seas navigation. It is a recognized examination center for the Swiss high seas certificate and works closely with the Swiss Maritime Navigation Office SSA.

Sylon Hosting GmbH 

Basel · Since 2007

The core activity of Sylon Hosting GmbH is the provision of web hosting and cloud services, including server hosting, server housing, virtual servers, mail security gateways and Zimbra collaboration suites. The company offers individually scaled solutions for various content management systems such as Typo3, Magnolia, Liferay and PHP and operates its own infrastructure in Switzerland.

Sympany Versicherungen AG 

Basel · Since 2007

Sympany Versicherungen AG is a Swiss health and insurance provider offering compulsory basic health insurance (KVG) and supplementary policies for inpatient, outpatient and dental care. The company also provides travel, risk and property/vehicle insurance for private and corporate clients, together with services such as the mySympany customer portal, online claims reporting and 24/7 medical advice.

Sympany Holding AG 

Basel · Since 1997

Sympany Holding AG is a corporate group that offers health and accident insurance as well as property and liability insurance. The group comprises subsidiaries operating under the Stiftung Sympany umbrella.

Sympany Services AG 

Basel · Since 2015

Sympany Services AG provides health insurance (basic and supplementary) as well as additional personal and property insurance products for private and corporate customers. Its services include accident and travel insurance, claims handling, a customer portal (mySympany) and health services such as 24/7 medical advice.

Syndeco GmbH 

Basel · Since 1997

Syndeco GmbH provides chemical synthesis and analytical services, including peptide and nucleoside synthesis, amino acids, sulfoximines, catalysts, and X‑ray analysis.

Syntegra ClimateTech AG 

Basel · Since 2008

The core activity of Syntegra Solar Intl. AG is the development and provision of innovative and sustainable solar solutions, including the planning, construction and maintenance of photovoltaic systems (PV systems) for various applications, such as rooftop systems, ground-mounted systems and floating PV systems. In addition, the company offers consulting and advisory services to companies, investors and financial institutions in the field of renewable energies, including technical due diligence reviews, project management and M&A transactions.

Synthetics International AG 

Basel · Since 1998

The core activity of Synthetics International encompasses the development and manufacturing of chemical products and processes, particularly in the field of fine chemicals, polyfunctional crosslinkers, and wood treatment agents. The company offers customized manufacturing processes and equipment, and has production capacities ranging from small quantities to large batches. It focuses on the areas of custom synthesis, the production of polyfunctional crosslinkers for various industries, and the development of wood treatment agents.

Syspro Automation AG 

Basel · Since 2023

The company provides technical solutions and services in the field of automation and IT/OT (Information Technology/Operational Technology). It collaborates with various industries and companies to develop tailored solutions for their specific needs. The company's core activities include: * GMP (Good Manufacturing Practice) * Technical solutions * IT/OT * Research and Development (R&D) * Quality Assurance. The company also offers services such as the development of customized solutions, collaboration with other companies, and the promotion of employment and youth employment.

System-Partikel-Technik Sympatec GmbH 

Basel · Since 1996

The company's core activity is the development, manufacture and distribution of measurement and dispersion systems for laboratory and process applications, particularly for the analysis and processing of dispersed systems such as powders, granules, fibers, suspensions, emulsions, slurries, aerosols and sprays. The systems are used in various industrial sectors, including pharmaceuticals, chemicals, food, construction materials, metal powders, paints and coatings, mechanical engineering and plant construction, as well as research and development.

Targetmind GmbH 

Basel · Since 2013

The core activity of Targetmind GmbH is management consulting with a focus on recruitment and personnel placement, particularly the placement of executive and specialist staff with companies, as well as the assumption of interim management tasks in SMEs.

TargImmune Therapeutics AG 

Basel · Since 2016

The core activity of TargImmune Therapeutics AG is the development and research of oncological compounds and the development of a modular, synthetic, targeted platform technology for nucleic acid therapy. In particular, the company focuses on the development of targeted apoptosis and immunomodulators (TAIMs) that use synthetic nanoparticles to deliver interchangeable nucleic acid therapeutics directly to the target. The goal is to selectively destroy cancer cells by mimicking natural processes.

techcord GmbH 

Basel · Since 2014

techcord GmbH provides consulting and technical coordination services for building services, including interface management, project and construction management, and client representation. The company also develops products such as an Excel-based SIA‑451 calculation tool and a browser-based cable-management application.

Teko Schweizerische Fachschule AG 

Basel · Since 1996

Teko Schweizerische Fachschule AG provides part-time vocational and continuing education in technology, business and commerce, including Higher Vocational School (HF) programmes, postgraduate NDS HF studies, seminars and preparatory courses for federal professional exams. Teaching uses industry practitioners as instructors and the school holds ISO 9001, ISO 21001 and eduQua certifications.

Teleki Téka-Förderstiftung 

Basel · Since 1993

The core activity of the company is the operation of a library and a museum, particularly the maintenance and presentation of the collections of the Teleki-Bolyai Library, including the preservation and restoration of valuable documents, the organization of exhibitions and events, as well as the provision of research opportunities and educational programs.

TerraStar AG 

Basel · Since 2015

The core activity of TerraStar AG is the development and rental of real estate, including residential space, commercial and office space, as well as the management and administration of these properties.

Testaris AG 

Basel · Since 2017

The core activity of Testaris is the provision of services in the fields of auditing, tax consulting and fiduciary services, particularly for small and medium-sized enterprises (SMEs) as well as for Swiss subsidiaries of foreign companies.

TFS TUNED FOR SPORTS AG, Zweigniederlassung Hockey-Corner Basel 

Basel · Since 2013

TFS TUNED FOR SPORTS AG, Zweigniederlassung Hockey-Corner Basel is a branch that operates the Conte Hockeyshop, retailing hockey equipment and accessories and providing sales and customer advice.

Theodor Nagel Basel GmbH 

Basel · Since 1994

Theodor Nagel Basel GmbH is a wood and panel importer. It imports domestic and overseas timber species, supplies specialist timbers and some cut-to-size panels, and offers FSC-certified products.

The Ramsay Foundation 

Basel · Since 1999

The core activity of the company "Ramsay Foundation" is the allocation of foundation funds for projects in the fields of education, teaching and culture, particularly for initiatives focusing on the promotion of children and young people. This includes, among other things, the support of museum exhibitions and educational activities for children, the promotion of ecological and nature-related projects, as well as the support of artistic and cultural activities for children and young people.

thiriet creative content 

Basel · Since 2020

The core activity of the company "thiriet creative content" is the creation and production of content in various forms, including: photography (e.g. at events, concerts, sports events, weddings), video production (e.g. for companies, events, sports events), moderation (e.g. at events, sports events, interviews), graphic design (e.g. corporate designs, posters, jerseys) and animations (e.g. for digital signage). The company offers these services to a variety of clients, including companies, sports clubs, churches and other organizations.

Thrive Consulting Group GmbH 

Basel · Since 2015

The core activity of Thrive Consulting Group GmbH is management consulting with a focus on organizational change and the development of leaders and teams. The consulting services concentrate on supporting companies in shaping change processes and developing leaders and teams to enable sustainable transformation. The services include executive coaching, organizational development and talent management.

Tierschutzverein Baselland 

Basel · Since 2021

Tierschutzverein Baselland is integrated into the association Verein Tierschutz beider Basel. The association supports activities that enable animals to live in species-appropriate conditions, carries out practical animal-welfare work and promotes animal and nature conservation.

Tinta AG 

Basel · Since 2022

Tinta AG provides animal-assisted therapy focused on donkey-assisted therapy. Services include individual and group sessions using interaction, grooming and guided activities with donkeys to support emotional, social and physical skills and to teach donkey care and handling.

T.O. ADVISCO AG 

Basel · Since 1998

The core activity of T.O. ADVISCO AG is the provision of trust services, particularly for small and medium-sized enterprises (SMEs). This includes, among other things: trust services, corporate consulting, tax consulting, and auditing. The company offers a comprehensive range of services provided by qualified and experienced professionals trained in the fields of trust, finance and accounting, business administration, and auditing.

tomasi 

Basel · Since 2019

The core activity of the company 'Enjoy-a-Dram' is the operation of a lounge where customers can taste and savor wine and whisky. The company offers a relaxed atmosphere, expert guidance and regular seminars and tastings with various thematic focuses.

Tony Trading GmbH 

Basel · Since 2007

Tony Trading GmbH is an import and export company specializing in Asian goods for business customers. The company provides import and export services and sources exclusive Asian products for corporate clients.