Fiduciary Offices

Joker Treuhand GmbH 

Kirchleerau · Since 2019

Joker Treuhand GmbH provides fiduciary and accounting services including tax advice, tax return preparation, financial planning and business consulting for SMEs, associations and private individuals.

Joker Treuhand GmbH 

Brugg Ag · Since 2012

Joker Treuhand GmbH provides fiduciary and tax services including bookkeeping, preparation of annual financial statements, VAT filings and payroll processing. It offers tax advisory and prepares tax returns, conducts financial and retirement planning, and supports company formation, restructuring and business valuations. Additional services include external accounting support, seminars and ongoing advisory for SMEs, associations and private clients.

Joly & Co 

La Chaux-De-Fonds · Since 1980

The core activity of Fiduciaire Thierry Tièche is the provision of services in the field of financial and tax consulting, including: tax consulting and planning, preparation of tax returns for individuals in the Romance cantons and the canton of Bern, advice on real estate transactions and mortgages, accounting and financial planning, advice on inheritance and gift taxes, and advice on optimizing taxes and finances. The company also offers services in the field of real estate sales.

Jones Payroll Consulting 

Horgen · Since 2010

The core activity of Jones Payroll Consulting is the provision of payroll services, including: payroll and salary accounting, personnel master data management, expense accounting, family allowance processing, withholding tax processing, reporting and statistics, reconciliation work, knowledge transfer, and system introduction and optimization. In addition, the company also offers interim management services, particularly: bridging personnel gaps, filling gaps in case of premature team member departures, relieving HR teams of project work, supporting HR projects, conducting interviews, and documenting job-specific knowledge. The company positions itself as a flexible and competent partner for HR teams in addressing payroll and HR challenges.

Jordan Finance GmbH 

Wangen B. Olten · Since 2021

Jordan Finance GmbH provides accounting, tax advisory, financial advisory and legal advisory services for corporate and individual clients. Services include bookkeeping and payroll, quarterly and annual closings, tax declarations, budgeting and business-plan support, and advice on insurance, pension‑related matters and investments.

Joseph Hage Aaronson GmbH 

Zurich · Since 2016

Joseph Hage Aaronson GmbH is a law firm specialising in tax litigation and dispute resolution, providing litigation, arbitration and investigation services. Its practice areas include commercial litigation, insolvency and construction disputes, art law, private client and tax disputes.

Jossen Treuhand 

Brig · Since 2005

The core activity of Jossen Treuhand is the provision of services in the field of finance and accounting, particularly in accounting, tax consulting and personnel management for self-employed individuals, companies and SMEs.

Joss Treuhand 

Basel · Since 2002

The core activity of KMU Joss Treuhand GmbH is the provision of trust services for small and medium-sized enterprises, particularly in the areas of finance (accounting, etc.), human resources, and taxation. The company offers tailored services to support customers in managing their finances, personnel matters, and taxes, allowing them to focus on their core activities.

Joss Treuhand AG 

Worb · Since 2005

The core activity of Joss Treuhand AG is the provision of services in the areas of finance and accounting as well as tax consulting, particularly for small and medium-sized enterprises (SMEs) and private individuals. This includes, among other things: business consulting, tax consulting, accounting, payroll administration, controlling, annual financial statement preparation, financial management of companies, and value-added tax consulting. The company positions itself as a competent partner for its clients, relieving them of their business processes and enabling them to focus on their core competencies.

JP Steuer AG 

Basel · Since 2012

The core activity of JP Steuer AG is the provision of services in the field of taxes, including tax consulting and planning.

JSP Treuhand GmbH 

Grenchen · Since 2005

JSP Treuhand GmbH provides fiduciary, tax and advisory services. Offerings include bookkeeping and payroll, annual and interim financial statements, tax planning and appeals, as well as property management and brokerage support.

J+T Fair Consulting GmbH 

Wetzikon Zh · Since 2000

The core activity of J+T Fair Consulting GmbH is the provision of trust and corporate consulting services.

J&T Treuhand GmbH 

Zurich · Since 2019

J&T Treuhand GmbH is a trust/treuhand firm providing property management services for residential and commercial real estate. Its offerings include commercial and technical property administration, strategic advisory for renovations and new developments, and digital tools such as tenant and owner portals.

Junarum AG 

Pfäffikon Sz · Since 2010

The core activity of Junarum AG is to provide services in the areas of investment planning, project management and market research. The company supports institutions, governments and companies in planning effective investments for growth and sustainability, manages projects from conception to completion, and provides insights into market trends to support strategic business decisions and investments.

Junker Treuhand GmbH 

Messen · Since 2019

The core activity of Junker Treuhand GmbH is the comprehensive support of small and medium-sized enterprises as well as private clients in the areas of: tax returns, accounting, company formation, real estate sales, real estate rentals, and real estate management. The company thus offers a wide range of services in the fields of trust and tax consulting.

Jurata AG 

Zurich · Since 2020

The core activity of Jurata is to provide services in the areas of law, accounting and taxes for small and medium-sized enterprises (SMEs). This includes, among other things, support in setting up companies, creating contracts and articles of association, converting legal forms, reviewing employment contracts and general terms and conditions, as well as providing tax services. Jurata offers these services digitally and in person, with processes optimized through the use of the latest technology and artificial intelligence (AI).

Jürg Attinger & Partner AG 

Zug · Since 2011

The company provides comprehensive services in the field of corporate consulting and management. The core activities include: accounting and payroll administration, tax returns and tax consulting, founding and succession consulting, company valuation and development, interim management and financial health management, domiciliary services and business management, software consulting and training. The company supports customers in the founding, management and development of their company and offers individual solutions for financial, tax and organizational challenges.

Juris Treuhand AG 

Zurich · Since 2010

Juris Treuhand AG provides fiduciary and financial services for small and medium-sized enterprises and international companies, including accounting, payroll accounting, tax consultancy, legal consultancy, domiciliation, administration and office rental.

Juris Treuhand AG 

Zug · Since 1970

Juris Treuhand AG is a fiduciary firm providing accounting, payroll and tax consultancy as well as legal consultancy and company incorporation services. The firm also offers company administration, domicile and office rental, financial intermediary services and family-office support.

Jurt Treuhand GmbH 

Rothenburg · Since 2004

The core activity of Jurt Treuhand GmbH is the provision of trust services, particularly in the areas of tax consulting and planning, accounting and financial reporting, as well as payroll administration, including payroll accounting and reporting to social insurance institutions. The company offers these services to private individuals and businesses, positioning itself as a reliable and experienced partner for handling accounting, financial reporting, and tax matters.