Finance & Insurance

G Squared International AG 

Zurich · Since 2019

G Squared International AG is a global venture capital fund manager that invests in growth-stage technology companies through primary and secondary investments and structured employee tenders. The company provides transitional capital to portfolio companies and constructs portfolios to access value creation in private markets.

GSW Revisions AG 

Solothurn · Since 2020

GSW Revisions AG provides audit and assurance services in compliance with legal and professional requirements. Services include limited audits, financial statement audits under Swiss GAAP FER, review engagements and special audits (e.g., capital measures, liquidation audits, pay-equity reviews) for SMEs, foundations, associations and individuals.

GSW Treuhand AG 

Solothurn · Since 1991

GSW Treuhand AG provides fiduciary, tax and business consulting services, including bookkeeping, payroll, VAT support and outsourcing of financial functions. Audit services are provided through its sister company GSW Revisions AG, and its clients include SMEs, foundations, associations and private individuals.

GtA Services GmbH 

Thun · Since 2022

The core activity of GtA Treuhand is the provision of trust services, particularly in the areas of accounting, personnel administration, tax consulting, startup consulting and corporate consulting. The company provides its customers with comprehensive support in all aspects of accounting and assists them in planning their retirement.

GT Glatt Treuhand GmbH 

Dübendorf · Since 2004

GT Glatt Treuhand GmbH provides fiduciary and advisory services for private clients and SMEs, including tax advice and tax returns, bookkeeping and VAT, payroll administration, and property management. The firm’s services also cover inheritance division, executorship, debt restructuring and audit/review services.

Gujer Treuhand GmbH 

Zurich · Since 2019

The core activity of Gujer Treuhand GmbH is the provision of services in the field of accounting and trust, particularly: Accounting (financial accounting, annual and interim financial statements, balance sheet and profit analysis, subsidiary ledgers), personnel administration (payroll accounting, social insurance and withholding tax returns), tax consulting (preparation of tax returns, tax assessments, tax appeals and objections), and construction trust (financial and administrative project management of joint ventures and consortia, construction cost monitoring and final cost forecasting). The company primarily offers these services to small and medium-sized enterprises as well as to private individuals.

Gumbag Management AG 

Basel · Since 2004

Gumbag Management AG is a management consulting firm focused on human resources and personnel development, offering services such as personnel and project management, external HR department services, payroll and assessments. It also prepares employment contracts and company regulations, analyzes and optimizes internal HR processes, and supports the introduction of time systems and qualification methods.

Günthert Immobilien AG 

Bennwil · Since 2021

Günthert Immobilien AG is an architecture and planning practice focused on residential and commercial buildings, new construction, renovations, and development projects. It also provides advice on materials, color concepts, and interior design.

Gut Treuhand GmbH 

Cham · Since 2021

The core activity of Gut Treuhand GmbH is the provision of financial management, accounting, and personnel administration services to companies and private individuals. This includes, in particular: Trust services, including accounting and payroll processing; Consulting on corporate restructuring and planning; Outsourcing of finance, accounting, and personnel departments; Support in the founding and establishment of companies (start-ups). Overall, the company positions itself as a comprehensive service provider for the financial and personnel management of companies and private individuals.

H2 Energy Holding AG 

Zurich · Since 2017

H2 Energy Holding AG develops and implements hydrogen technologies, products and ecosystems. It provides engineering services across the hydrogen value chain, including production, storage and logistics, refuelling stations and fuel‑cell applications.