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Stiftung Rietbergschule 

Zurich · Since 1987

Stiftung Rietbergschule provides Montessori education at kindergarten and primary levels in mixed-age groups for children aged roughly 3–12. Pupils are taught by trained Montessori teachers in German and English; the school is a state-approved day school supervised by the Bildungsdirektion des Kantons Zürich and licensed by the Assoziation Montessori (Schweiz) AM(S), with a curriculum that fully covers the Canton of Zürich syllabus and ensures transition to secondary schools.

Stiftung Wilfrid Moser 

Zurich · Since 2005

The core activity of the company "Fondation Wilfrid Moser" is the promotion and preservation of Wilfrid Moser's artistic heritage, including the management of his biography, works and bibliography. The company also appears to operate a gallery where Wilfrid Moser's works are exhibited. The company's main activity is in the field of art promotion and management.

St Michel de Grandvain Limmat GmbH 

Zurich · Since 2021

St Michel de Grandvain Limmat GmbH is a fashion and design house that creates bespoke couture gala gowns, limited-edition pieces, accessories and luggage. Its activities also include curated art and interior products, phygital art services (SBT/NFT display licenses) and B2B offerings for art institutions and high-net-worth clients, operating with an on-demand production model and regional supplier collaborations.

Stockerhof Immobilien AG 

Zurich · Since 2000

The core activity of Stockerhof Immobilien AG is the management and administration of real estate, in particular the Stockerhof in Zurich, as well as the rental and management of residential and commercial spaces.

Stonehage Fleming Investment Management (Suisse) AG 

Zurich · Since 2002

Stonehage Fleming Investment Management (Suisse) AG provides investment management and advisory services to private clients, families, trustees and institutional investors. It offers discretionary and advisory portfolio management, distributes collective investment products to qualified investors in Switzerland and collaborates with the Stonehage Fleming group’s family office and wealth-planning services.

Stonehage Fleming SA, succursale de Zürich 

Zurich · Since 2020

Stonehage Fleming SA, succursale de Zürich provides family office, investment management, trust and fiduciary services, and legal and tax advisory. Services include wealth and succession planning, administration of international structures, investment management, treasury and reporting services, and art collection management.

Storskogen Schweiz Management AG 

Zurich · Since 2012

Storskogen Schweiz Management AG acquires and develops small and medium-sized enterprises. The group invests with a long-term investment horizon in companies within the Trade, Industry and Services segments.

Studio Rothfuchs GmbH 

Zurich · Since 2023

Studio Rothfuchs GmbH provides art direction, motion design, branding and packaging services. The studio produces visual communication projects for institutions, events and commercial clients, as indicated by the clients listed on the website.

StyleA GmbH 

Zurich · Since 2024

StyleA GmbH sells ready-made baby gift packages and offers seasonal clothing collections. The gift packages contain fixed items such as an outfit, beanie, blanket or accessory and include gift wrapping, a card, and ordering/contact options.

SUPprime GmbH 

Zurich · Since 2018

The core activity of SUPprime GmbH is the rental of Stand-Up-Paddle-Boards (SUPs) and kayaks, as well as the organization of courses and tours in the field of water sports, particularly stand-up paddling. The company also offers the sale of SUP boards and accessories.

Sustainable Real Estate Investments SICAV 

Zurich · Since 2015

Sustainable Real Estate Investments SICAV is a collective investment fund that invests directly in buildings with an emphasis on residential properties. The fund holds properties directly in Switzerland, seeks stable rental income and low value volatility, and has defined energy and climate targets, including a net‑zero goal for 2050.

Sustainable Real Estate AG 

Zurich · Since 2019

Sustainable Real Estate AG is a fund provider and asset manager that operates the real estate fund Sustainable Real Estate Switzerland and also serves as a sustainability advisor and distribution partner for European real estate funds. The company holds a FINMA licence as a manager of collective assets and provides services including portfolio management, asset management and sustainability consulting for pension funds and institutional investors.

Suter Development 

Zurich · Since 2010

SVTG Strategische Vermögenstreuhand AG 

Zurich · Since 2003

SVTG Strategische Vermögenstreuhand AG provides asset management and family office services and advises clients on private equity, mergers & acquisitions and corporate finance. The firm holds a licence as an asset manager and is subject to Swiss regulatory oversight.

SWB Swiss Watch Brands GmbH 

Zurich · Since 2006

SWB Swiss Watch Brands GmbH acquires dormant Swiss watch brands and manages their revival by documenting brand heritage, listing available portfolios and providing consultancy for relaunches.

Swiss Biochar GmbH 

Zurich · Since 2010

The core activity of Swiss Biochar is the production and distribution of biochar products and substrates for agriculture, horticulture and animal husbandry. The products aim to improve soil fertility, increase the storage capacity of nutrients and water, and promote animal health.

Swiss Distribution 

Zurich · Since 2021

Swiss Distribution is an association for franchising, licensing and agency that promotes distribution systems and provides professional know-how to system providers. Its activities include training, events, quality assurance, mediation and expert advice, as well as guidance on distribution formats and membership services.

Swissgas, Schweizerische Aktiengesellschaft für Erdgas 

Zurich · Since 1993

Swissgas, Schweizerische Aktiengesellschaft für Erdgas is a private joint‑stock company that serves as a service platform for regional network companies by operating the high‑pressure gas network and marketing transport capacity. It owns a high‑pressure pipeline network (260 km), manages intake and custody transfer stations, handles nominations and transport coordination (including the KSDL) and markets transit capacity. Its activities include asset management, operation, maintenance and monitoring of pipeline infrastructure and representation in industry forums.

Swissgas-Speicher Aktiengesellschaft 

Zurich · Since 1980

The core activity of Swissgas AG is the operation and management of natural gas networks, including asset management, transport management and operation of KSDL (concession contracts for Swiss natural gas distribution).

Swiss Impact Office GmbH 

Zurich · Since 2020

Swiss Impact Office GmbH is an investment boutique and multi-family office that allocates private and institutional capital into direct investments and specialized funds in the alternative markets space. The firm provides strategic advisory and end-to-end investment management (sourcing, due diligence, structuring, execution, monitoring and reporting) and operates an invitation-only co-investment platform called SIO Ventures.

Swiss Nautic Union (SNU) 

Zurich · Since 2023

Swiss Nautic Union (SNU) is a non-profit trade association for private passenger shipping. The association represents operators and owners of passenger vessels and taxi boats before authorities such as the Federal Office of Transport and cantonal shipping offices. Its activities include member experience exchange, advocacy on technical and regulatory matters, support for personnel and training, and provision of documents and membership services.

swisspartners Group AG 

Zurich · Since 2016

swisspartners Group AG provides wealth management and fiduciary/tax services and also offers real estate, insurance, financial planning and family office services.

swisspartners Charity 

Zurich · Since 2009

swisspartners Charity supports charitable projects and partnerships by providing funding and coordinating employee involvement. Supported initiatives include construction of water tanks in Bali, programmes for people with special needs, collaboration with Borneo Orangutan Survival Switzerland (BOS) and support for Incontro Zurich.

swisspartners AG 

Zurich · Since 2016

swisspartners AG is a financial services firm offering wealth management and fiduciary and tax services, together with complementary real estate, insurance, financial planning and family office services.

swisspartners Xperts AG 

Zurich · Since 2009

Swiss Private Equity Partners AG 

Zurich · Since 2020

Swiss Private Equity Partners AG is a financial services provider offering wealth management as well as fiduciary and tax services. Its services also cover real estate, insurance, financial planning and family office solutions.

Swiss Resilience Hub AG 

Zurich · Since 2013

The core activity of Swiss Resilience Hub (SRH) is to strengthen individuals, teams and organizations by promoting resilience, leadership and coaching. To this end, the company offers tailored resilience programs that enhance leadership skills and corporate culture, and promote the well-being of employees and executives. Additionally, the company initiates and supports resilience projects and invests 1% of its revenue in sustainable resilience projects.

Swiss Seaside Foundation 

Zurich · Since 2008

Swiss Seaside Foundation is a non-profit foundation that supports children and families in need worldwide by funding and implementing concrete projects such as building schools and housing, providing medical care, and supplying food and school materials. It works with local partners and NGOs to finance, coordinate and maintain these charitable projects.

Swiss Surgery GmbH 

Zurich · Since 2015

The core activity of Swiss Surgery is the performance of surgical interventions and treatments in various medical specialties, including bariatric surgery, pelvic and hip surgery, breast surgery, foot and ankle surgery, vascular surgery, gynecological oncology, skin surgery, cardiac surgery, neurosurgery, interventional radiology, pediatric surgery, knee surgery, head and neck surgery, nasal surgery and facial rejuvenation, proctology, reconstructive and aesthetic breast surgery, shoulder and elbow surgery, thoracic surgery, urology, visceral surgery, and spine surgery.

Swiss Textiles Textilverband Schweiz 

Zurich · Since 1989

Swiss Textiles Textilverband Schweiz is an industry association that represents the textile and apparel sector and supports its members with information and advice on sustainability, compliance, trade policy and innovation, as well as through events and training programmes.

sx.company GmbH 

Zurich · Since 2014

Syneos Health Switzerland GmbH 

Zurich · Since 2001

Syneos Health Switzerland GmbH is a biopharmaceutical solutions organization providing integrated clinical development, medical affairs and commercial services. Its offerings include clinical trial operations, drug safety and pharmacovigilance, patient recruitment and retention, functional service provider (FSP) models, and technology- and data-enabled commercialization and consulting support.

SYZ Asset Management AG 

Zurich · Since 2020

SYZ Asset Management AG is an asset management company that focuses on fixed income strategies and provides tailored investment solutions. It offers ESG integration options and dedicated products such as green bond investment solutions.

taketray GmbH 

Zurich · Since 2004

The core activity of taketray GmbH is the development, production and marketing of portable ashtrays and other environmentally friendly products, particularly to reduce cigarette littering and promote a clean environment.

Talentir GmbH 

Zurich · Since 2023

Talentir GmbH provides financial infrastructure for the creative industry, enabling automated global payouts for creators, agencies and platforms. Services include real‑time payouts, multi‑currency and stablecoin rails, invoicing and reconciliation features, and integrations with platforms such as AdSense.

Taneda Trade AG 

Zurich · Since 2008

Taneda Trade AG is a global commodity trading company trading steel products, scrap and raw materials for the steel industry and providing related shipping and trade finance services. Its product portfolio includes steel scrap (e.g. GRADE 3A, HMS 1/2), re-rollable scrap, various grades of pig iron, hot-rolled coils, reinforcing bars and non-ferrous metals such as aluminium, copper, nickel and zinc.

Tanium Switzerland GmbH 

Zurich · Since 2021

TA Ventures Swiss Holding GmbH 

Zurich · Since 2010

TA Ventures is a global venture capital firm specializing in investments in the early development stages of technology start-ups. The company's core activity is to invest in companies that develop innovative solutions in the areas of software, DeepTech, health, fintech, and consumer products. TA Ventures typically invests in the pre-seed, seed, and occasionally in the series A phase with an investment volume of $100,000 to $1 million. The company has a global network and invests in companies in the US, Europe, and beyond.

Tavis Digital AG 

Zurich · Since 2019

Tavis Capital AG 

Zurich · Since 2014

The core activity of Tavis Capital AG is the investment and management of assets in various asset classes, particularly in Private Debt, Private Equity, Commodity, Real Return and Deal Advisory. The company offers innovative and consistent investment solutions to its customers in Switzerland.

TAX ADVISORS & ASSOCIATES SWITZERLAND AG 

Zurich · Since 2014

TAX ADVISORS & ASSOCIATES SWITZERLAND AG provides tax advisory services for complex national and cross-border tax matters. Services include corporate tax (reorganizations, M&A, succession planning, real estate taxation), private client tax matters (wealth management, relocations, trusts, estate planning) and VAT and customs advice, as well as support with tax returns, tax procedures and VAT audits.

TAX EXPERT INTERNATIONAL AG 

Zurich · Since 2019

TAX EXPERT INTERNATIONAL AG provides tax advisory, accounting, auditing and insurance-related services to corporate and private clients on a national and international basis. Core areas include international tax planning, transfer pricing, corporate restructurings and M&A, as well as VAT and tax compliance advisory.

Tebag AG 

Zurich · Since 1930

Tebag AG is a brand and former bicycle manufacturer that produced road bikes and whose commemorative Ferdy Kübler racing bicycle was recreated in a limited series. Orders and deliveries are handled via specialist bike retailers and partners such as Kübler Sport GmbH, with contact information listed on the website.

Tellvetica AG 

Zurich · Since 2020

The company Tellvetica AG primarily focuses on supporting SMEs (Small and Medium-sized Enterprises) in succession planning, investments, and corporate development. They offer services such as corporate succession, exclusive investments, and consulting to support companies in their success and growth. Tellvetica AG invests in innovative companies with future potential and provides transparency and expert knowledge to support investors and companies in their financial decisions.

TEN 

Zurich · Since 2016

TEN is an architecture, design and research association that conceives and investigates projects related to the built environment. It organises work as interdependent groups and produces prototypes, urban proposals, algorithmic design and materials research with collaborators, institutional partners and private clients.

Tennisanlage Mythenquai Ilija Dugonjic 

Zurich · Since 2003

Tennisanlage Mythenquai Ilija Dugonjic rents seven maintained clay courts and offers online booking for single-hour slots during the summer season. The facility includes a coffeeshop and a tennis shop carrying Babolat equipment, provides racket stringing and ball-machine rental, offers paid parking, and publishes reservation, cancellation and pricing information on its website.

TEN WORKS AG 

Zurich · Since 2023

TEN WORKS AG is the WORKS entity of TEN that realises architecture, design and research projects. It develops prototypes, urban proposals, algorithmic design and materials research and collaborates with institutional partners, clients and colleagues.

TERRA PROPERTY GmbH 

Zurich · Since 2016

TERRA PROPERTY GmbH is a real estate company providing brokerage, property management, project development and general real estate advisory services. Offerings include property mediation, asset management, project planning and legal/tax structuring support for real estate transactions.

terraVAT GmbH 

Zurich · Since 2022

The core activity of terraVAT GmbH is advising and supporting companies on matters related to Value Added Tax (VAT) and customs clearance, including due diligence, supply chain management, fiscal representation, and compliance services for national and international transactions.

The Berlitz Schools of Languages AG 

Zurich · Since 1971

The Berlitz Schools of Languages AG provides language courses for adults, children and teens as well as corporate language training and intercultural workshops. Services include in-person and online courses, blended learning options, official language tests and the Berlitz immersive teaching method.