Finance & Insurance

SES Sterling Industrie-Holding AG 

Mariastein · Since 2010

SES Sterling Industrie-Holding AG is an industrial group specializing in the processing of plastics and rubber and in the development, production and marketing of wiring and cable accessories. Its product range includes conduits, sleeves, cable glands, identification and marking solutions, trunking, cable ties and installation tools; the company supplies standard and bespoke solutions via an international distribution network and holds ISO 9001 certification.

SFO Partners Consulting Sàrl 

Geneva · Since 2017

SFO Partners Consulting Sàrl provides advisory services in wealth management, private equity, tax and accounting, and real estate. Offerings include family office and asset management services, transaction and M&A advice, tax compliance and consultancy, and support for real-estate projects and transactions.

SFO PARTNERS SA 

Geneva · Since 2011

SFO PARTNERS SA is an advisory firm offering wealth management, private equity advisory, tax and accounting services, and real estate advisory for private and corporate clients. Services include family office and asset management, transaction and M&A advice, tax planning and compliance, and support for real-estate transactions and project development.

SHW Invest AG 

Zollikon · Since 2005

The core activity of SHW Invest AG is investment consulting and the distribution of financial products, in particular funds, shares, bonds and other securities. The company does not provide direct financial advice, but makes information and marketing materials available on its website to inform investors about its products and services. SHW Invest AG is a member of the Association for Quality Assurance of Financial Services (VQF) and is supervised by the FINMA.

SICURTA AG 

Zurich · Since 2003

The core activity of Sicurta AG is the provision of financial services, particularly in the areas of corporate services, turnarounds, credit facilities and financing, and investments. The company offers consulting and management services to businesses and private individuals, supporting the implementation of financial solutions.

Sidler & Partner GmbH 

Hedingen · Since 2000

Signina Capital AG 

Zurich · Since 2007

Signina Capital AG is an advisory firm specializing in water infrastructure projects. The company provides project management, selection of local partners and management, finance structuring, client advising and deal sourcing for investors and enterprises. It defines water infrastructure to include hydropower, wastewater treatment and industrial re‑use of water, and works with institutional investors, family offices and impact investors.

Sigrist Treuhand & Revision AG 

Wilderswil · Since 2023

The core activity of Sigrist Treuhand & Revision KLG is the provision of services in the fields of accounting, tax consulting, auditing and business consulting. The company offers comprehensive consulting and services for companies and individuals in these areas.

Silbercom + Partner AG 

Dietikon · Since 2009

The core activity of Silbercom + Partner AG is the provision of trust services, particularly in the areas of: * Accounting: efficient and expedient handling of transactions * Taxation: assumption of tasks in the tax area * HR-Admin: assumption of the personnel department and handling of tasks in the area of personnel administration * Consulting: advice and support in various areas such as company formation, company purchase/sale, etc. The company offers tailored solutions for businesses to increase their business activity and economic success.

AXIOM ALTERNATIVE INVESTMENTS SWITZERLAND SA 

Geneva · Since 2021

SILEX INVESTMENT PARTNERS SA 

Geneva · Since 2016

SILEX INVESTMENT PARTNERS SA provides advisory services, investment solutions and asset management, including structured products, proprietary indices, AMCs and bespoke wrapping solutions for wealth managers and institutional investors. The firm also develops the SPARK digital platform for monitoring and analysing structured products and portfolios.

SIMAXIS GmbH 

Thalwil · Since 2011

SIMAXIS GmbH is a fiduciary company that provides fiduciary services; the website lists contact details such as phone and fax.

SimCorp Schweiz AG 

Zurich · Since 1998

The core activity of SimCorp is the development and provision of software solutions for investment and financial services, particularly for the management of financial instruments, portfolios and risks. The company also offers data management and analytics services, including cloud-based solutions.

Sipaec Holding SA 

Geneva · Since 2015

Sipaec Holding SA distributes cleaning chemicals, cleaning machines and accessories and provides related customer services. Its services include technical advice, training and sales support for professional and private customers.

Siwag Treuhand AG 

Uznach · Since 1985

The core activity of SIWAG is the provision of services in the field of finance and accounting, including: tax consulting and returns for individuals and companies, accounting and bookkeeping, preparation of annual financial statements and VAT returns, payroll accounting and declarations, administration and secretarial work, auditing activities, consulting and planning in financial and economic matters, liquidity planning and loan applications. The company thus offers comprehensive services in the field of finance and accounting for individuals and small and medium-sized enterprises.

SIX Cash AG 

Zurich · Since 2024

SIX Exchange Group AG 

Zurich · Since 2022

SIX Exchange Group AG operates financial market infrastructure and provides services for exchanges, clearing, settlement, custody and payments. It also supplies market data, indices and financial information products.

SIX Group AG 

Zurich · Since 2002

SIX Group AG operates financial market infrastructure and provides services including stock exchange operations, securities clearing and settlement, custody, market data and indices, as well as payments and banking services.

SIX Securities Services AG 

Zurich · Since 1999

SIX Securities Services AG provides post‑trade services across the value chain, including clearing, settlement and custody, securities finance, tax services, a FINMA‑authorised trade repository and digital asset services.

SIX Trade Repository AG 

Zurich · Since 2001

SIX Trade Repository AG operates the FINMA‑authorised Swiss trade repository for OTC and exchange‑traded derivatives reportable under the Financial Market Infrastructure Act (FMIA). The service guarantees full data storage in Switzerland, compliance with Swiss regulatory standards and is provided in partnership with UnaVista, offering onboarding and reporting support.