Finance & Insurance

WinHealth Group SA 

Geneva · Since 1988

The core activity of WinHealth is the brokerage and consulting of international health insurances, particularly for expatriates and individuals living or working abroad. The company offers a selection of insurance products from various international providers and supports its customers in choosing the suitable insurance solution.

Winsch International SA 

Belmont-Sur-Lausanne · Since 2010

The core activity of Winsch is the provision of financial services, particularly factoring and credit insurance. The company offers personalized solutions for businesses to minimize their financial risks and improve their liquidity.

wipneu ag 

Grosswangen · Since 2017

wipneu ag sells tires and tire-related products for various vehicle types, including rims, rubber tracks and other accessories. The company provides services such as tire fitting, repairs, mobile tire service, wheel storage and washing, roadside assistance, wheel alignment and ADAS checks, as well as e-charging stations and electric vehicle rental.

Wirz Treuhand AG, Schöftland 

Schöftland · Since 1992

wisawi GmbH 

Mellikon · Since 2016

The core activity of wisawi GmbH is the provision of administrative services for companies and private individuals, particularly in the areas of: Financial accounting, Tax returns, Human resources, Value-added tax (VAT), Balance sheet and income statement, Private tax returns, Visa, Private office, and Real estate. The company thus offers comprehensive support for administrative tasks to facilitate customers' management of their finances, taxes, and personnel matters.

WIZE SA 

Vernier · Since 2022

WIZE SA provides an all‑in‑one IT platform for wealth and asset management, combining portfolio management, reporting, order management, risk and compliance features with client portal capabilities and integrations to custodians, trading venues and market data providers.

WKS Group AG 

Schaffhausen · Since 2011

WKS Group AG is an independent, neutral engineering firm offering planning and consultancy services in electrical engineering. Services include complete electrical planning, BIM planning, building automation, photovoltaic system design, grounding and lightning protection, lighting design, and project coordination from strategic planning through implementation.

Wohlfahrtsfonds der Casic 

Pratteln · Since 1948

Wohlfahrtsfonds der Katholischen Landeskirche des Kantons Thurgau 

Weinfelden · Since 2021

The company's core activity is the implementation of educational and training programs, particularly in the fields of theology and youth work, as well as the organization of events and offers for adults and young people, including game material rental, group dynamic games and folk dance events.

Wohlfahrtsfonds der Typ AG 

Bellach · Since 1956

Wohlfahrtsfonds Meyerhans + Cie AG 

Weinfelden · Since 1985

Wohlfahrtskasse Linde Gas Schweiz 

Dagmersellen · Since 1927

Wohlfahrtsstiftung der Renata AG 

Itingen · Since 1984

Wohlfahrtsstiftung Swissmem 

Zurich · Since 1971

Wominanz by Mandy Schreier 

Winterthur · Since 2021

The company's core activity is consulting and brokering financial services, particularly in the areas of retirement planning, wealth accumulation, investments, tax optimization, and financing of home ownership. The company also offers personal pension and insurance strategies for companies, self-employed individuals, and private individuals. Entrepreneur and mentor Mandy Schreier also provides keynotes, specialist lectures, and workshops on topics such as financial education, independence, and future security.

WOS Swiss Investments AG 

Lucerne · Since 2016

The core activity of WOS Swiss Investments AG is the investment and management of investments in various areas, particularly in: Real Estate, Start-ups, Hotels, and Venture Capital. The company also provides consulting services to support companies' finances and promote their growth. It develops individual investment strategies for its clients and supports them in achieving their business objectives.

W&P AG Treuhand Steuern Wirtschaftsprüfung 

Chur · Since 1970

W&P AG Treuhand Steuern Wirtschaftsprüfung provides fiduciary, tax and audit services. Offerings include domiciliation and secretarial services, company administration, accounting and payroll, tax planning and representation, statutory and special audits, and due-diligence reviews; a related group company handles real-estate services.

Wyssbrod + Partner Treuhand AG 

Ipsach · Since 2002

The core activity of Wyssbrod & Partner Treuhand AG is the provision of services in the areas of financial and payroll accounting, auditing, and taxation. This includes in particular: Financial accounting (general ledger, accounts receivable, accounts payable), Auditing (limited audits), Payroll accounting (monthly payroll processing, year-end closing, payroll certificates), and Taxation (value-added tax, natural persons). The company supports its clients in their entrepreneurial responsibility towards banks and tax authorities.

Wyssmann Treuhand GmbH 

Neuenegg · Since 1998

The core activity of Wyssmann Treuhand GmbH is the provision of trust services, particularly in the areas of accounting, tax consulting, payroll accounting and value-added tax. This includes, among other things, the management of accounts, the preparation of annual financial statements, tax returns and payroll statements, as well as consulting and support in the organization and billing of value-added tax.

Wyss Treuhand AG 

Lucerne · Since 1981

Wyss Treuhand AG is the administrator of Zentrum Fanghöfli, managing rentals and property operations for residential and commercial units. It serves as the contact point for rental inquiries and requests for viewings listed on the centre's website.

Xavier Krämer Holding AG 

Zug · Since 1986

Ynoves AG 

Steinhausen · Since 2024

The core activity of Ynoves AG is the provision of services in the areas of trust, tax consulting, corporate consulting and human resources. Specifically, this includes the areas of accounting, payroll administration, group accounting, tax consulting, corporate consulting and human resources. The company offers these services to both corporate and private clients, aiming to implement efficient processes and digital solutions to support customers and save costs.

Yvonne Gilomen Treuhand 

Uitikon Waldegg · Since 2003

The core activity of Yvonne Gilomen Treuhand is the provision of trust services, in particular: accounting and financial management, tax consulting and planning, insurance and pension consulting, business consulting, collection and accounts receivable management, and temporary accounting support (accountant on demand). The company offers these services to small and medium-sized enterprises, freelancers, and private individuals, emphasizing personal contact and individual consulting.

Zovag src GmbH 

Widnau · Since 2006

The core activity of Zovag SRC GmbH is the provision of trust and consulting services for companies and private individuals. This includes in particular: * Corporate consulting and support * Financial planning and consulting * Accounting and bookkeeping * Tax consulting and tax returns * Payroll accounting and human resources * Administration and management of companies The company thus offers comprehensive services for companies and private individuals in the areas of finance, accounting and human resources.

Züger AG 

Siebnen · Since 1979

Züger AG provides fiduciary services, including accounting, personnel/payroll administration, tax advice and VAT consultancy, aimed at small and medium-sized enterprises.

Züger Treuhand AG 

Siebnen · Since 1990

Züger Treuhand AG provides fiduciary, accounting, payroll and tax services, including VAT consulting, for small and medium-sized enterprises.

Zürcher Landbank AG 

Elgg

The company's core activity is the provision of banking services, including accounts, loans, mortgages, investment products, payment transactions, e-banking and mobile banking. The company also offers personal advice and support from advisors.

SCHWARZENBACH CONSULTING 

Kriegstetten · Since 2025

The core activity of Schwarzenbach Consulting is the provision of trust services, legal advice and financial planning.

Confida Treuhand GmbH 

Fischbach-Göslikon · Since 2025

Confida Treuhand GmbH provides fiduciary services and supports companies and private clients with tax services, accounting and payroll administration, limited statutory audits (revision) and business advisory. The firm is registered with the Swiss Federal Audit Oversight Authority (RAB).

3A Alternative Assurance Agency GmbH 

Cham · Since 2015

The core activity of 3A Alternative Assurance Agency GmbH is the provision of insurance services, particularly in the areas of primary and reinsurance. The company offers specialized solutions, such as rental deposit services, and has a network of partners in insurance, reinsurance, and brokerage. The core activities include designing new products, acquiring new risk carriers, sales management through associations and intermediaries, claims handling, establishing and managing captives, as well as administrative processing of insurance cases.

3BE Treuhand GmbH 

Bürglen Tg · Since 2019

The core activity of 3BE Treuhand GmbH is the provision of services in the areas of accounting, financial and accounting, payroll accounting and personnel administration, value-added tax and withholding tax, taxes, company formation and office services, in particular also cloud-based accounting.

3V Asset Management AG 

Schindellegi · Since 1997

3V Asset Management AG is a FINMA‑supervised independent asset manager specializing in Swiss equities, particularly Small‑ and Mid‑Cap securities, and manages the 3V Invest Swiss Small & Mid Cap Fund. The fund follows an active, high‑conviction approach (about 30–35 holdings) based on fundamental company analysis; up to 20% may be allocated to large‑cap SMI stocks.

47 Heritage AG 

Zurich · Since 2018

The core activity of 47 Heritage AG is wealth management and investment consulting for private clients, particularly in the area of wealth management. The company offers individual investment strategies, asset management, risk management, and sustainability solutions to meet the financial goals of its clients. In addition, the company also provides further services such as the selection and management of custodian banks, the administration of foundations and trusts, the optimization of wealth transfer strategies, as well as support in the acquisition of luxury goods and real estate.

AAA services Treuhand GmbH 

Bern · Since 1992

AAA services Treuhand GmbH provides fiduciary and accounting services, including bookkeeping, year-end closings, tax declarations, auditing of accounts, payroll administration, payment processing and business planning.

Aafag Holding AG 

Kleinandelfingen · Since 2019

Aafag Holding AG provides electronic manufacturing services (EMS), including development, PCB layout, SMD and THT assembly, testing and final assembly of circuit boards and electronic modules. The company also handles product industrialization, test-fixture construction, LED PCB production and rework, and delivers sales-ready assemblies with in-house production and packaging.

Aarvia Holding AG 

Würenlingen · Since 2016

Aarvia Holding AG is a construction and infrastructure services company offering a comprehensive range of infrastructure works, including road and civil construction, earthworks and site clearance, utility and sewer installation, structural engineering maintenance, as well as construction logistics, transport, materials, recycling and disposal.

AATO GmbH 

Reichenbach Im Kandertal · Since 2020

AATO GmbH provides plumbing, heating and thermal solar services, covering consultation, 3D planning, installation and maintenance. Services include sanitary and wastewater installations, heating systems (including heat pumps, wood and oil solutions), boiler descaling, service calls, core drilling and building drying.

AbaFin Treuhand AG 

Zug · Since 2013

The core activity of AbaFin Treuhand AG is the provision of services in the areas of trust, auditing, tax consulting, and corporate consulting. Specifically, this includes: tax returns and tax consulting for individuals and companies, accounting and financial planning, company formation and succession, auditing and revision, trust services such as domicile management and mail forwarding, consulting on company formation, including the selection of the suitable legal form, support in creating business plans and liquidity plans, consulting on pension planning and succession planning, and restructuring and liquidation of companies. The company thus offers a wide range of services for companies and individuals to support them in their financial and legal matters.

Abeloo SA 

Geneva · Since 2018

The core activity of Abeloo is independent wealth management and consulting for institutions, families and private individuals. This includes the creation of investment strategies, wealth planning, wealth management and the offer of specific investment products. In addition, Abeloo also provides services in the area of pension planning, including the management of pension funds and consulting on pension planning products.

ABES AG Versicherungstreuhand 

Schaffhausen · Since 2006

ABES AG Versicherungstreuhand provides insurance fiduciary and advisory services for corporate and private clients, including pension fund consulting, employee (personal) insurance and property and liability coverages. The firm performs risk analyses, develops tailored solutions and supports clients with claims handling and insurance aspects of mortgage transactions.

AbisZ Büro franziska könig 

Zürich · Since 2003

The core activity of the company 'A-Z Accounting | Tax Consulting | Company Formation' is to provide services in the areas of administration, accounting, tax consulting, payroll and company formation for small and medium-sized enterprises (SMEs) as well as private individuals. The specific services include: accounting, annual financial statements, tax consulting, secretarial services, company formations, and payroll. The company thus provides comprehensive support in administrative and financial matters for its clients.

Access Financial International SA 

Nyon · Since 2004

Access Financial International SA provides global workforce management services, including Employer of Record (EOR), Agent of Record (AOR), payroll processing and outsourcing solutions. The company serves corporates, recruitment agencies and contractors with onboarding, payroll, tax and social security compliance, contract management and immigration assistance across multiple countries.

Access Financial Sàrl 

Nyon · Since 2015

Access Financial Sàrl provides global workforce management services, including Employer of Record (EOR) and Agent of Record (AOR) solutions, payroll processing, tax and legal compliance, contract management and immigration assistance.

ACF Audit Conseil Fiduciaire et Fiscal SA 

Morges · Since 1996

ACF Audit Conseil Fiduciaire et Fiscal SA provides fiduciary services including statutory and special audits, tax advice and representation, bookkeeping and payroll processing, and advisory/expertise services such as company valuations and judicial expertise.

ACIES ASSET MANAGEMENT AG 

Zurich · Since 2008

The core activity of Acies Asset Management AG is asset management and investment consulting, particularly in the areas of absolute return management and long-term asset protection. The company offers onshore financial solutions and is active in various financial sectors, including private equity, alternative investments, structured products and quantitative financial solutions.

Ackermann + Partner AG Die Treuhänder 

Schönenwerd · Since 1986

Ackermann + Partner AG Die Treuhänder provides fiduciary services including bookkeeping, tax advice and tax return preparation, payroll administration, accounting, statutory auditing, and business and financial consulting. The team comprises trustees, controllers and finance, tax and audit specialists, and the firm is a member of Treuhand Suisse.

AC Kessler GmbH 

Freienbach · Since 2005

The core activity of AC Kessler GmbH is the provision of services in the field of accounting and consulting, particularly in the areas of: accounting and financial reporting, payroll and personnel, taxes, fiduciary services, and insurance services (especially for small and medium-sized enterprises). The company offers flexible and tailored solutions to its clients and leverages synergies from the areas of fiduciary services, human resources, and insurance.

ACR Wirtschaft und Vermögen AG 

St. Gallen · Since 1994

The core activity of ACR Wirtschaft und Vermögen AG is the provision of services in the field of economic and asset consulting, particularly in the areas of tax consulting (Tax-it-Easy!) and customer benefit analysis.

ACT Asset Management AG 

Zurich · Since 2002

The company ACT Asset Management is engaged in asset management, particularly in discretionary management, which means that the company makes investment decisions for its clients without requiring their approval for each individual decision.

Acta Versicherungstreuhand AG 

Thal · Since 2022

The core activity of Acta Versicherungstreuhand AG is the management of assets, particularly in the area of insurance and risk assessment. The company offers individual solutions for asset management, including analysis, strategy development, management and monitoring of assets. In addition, Acta also provides services in the areas of risk management, pension planning and insurance consulting.