Fiduciary Offices

KOLB International Tax Services AG 

Bern · Since 2024

The core activity of KOLB International Tax Services AG is advising and supporting companies and private clients in tax-related matters, particularly in Swiss and international tax law. This includes services such as tax planning, representation before tax authorities and tax proceedings, support in exchanging information on tax matters within the framework of administrative and legal assistance, as well as developing individual solutions for cross-border interests.

Kolb Revisionen 

Spreitenbach · Since 1982

The core activity of Kolb Treuhand is the provision of trust services, particularly in the areas of tax consulting, accounting, payroll administration and auditing for private individuals as well as small and medium-sized enterprises.

Kolb Treuhand GmbH 

Dettighofen · Since 2006

Kolb Treuhand GmbH provides fiduciary and business consulting services, including accounting and payroll administration, VAT reporting and tax advisory for individuals and companies. Services also include statutory audit mandates, support for company formations, restructurings and transactions, and legal advice on commercial, employment and inheritance matters.

KOMA Treuhand GmbH 

Ottikon (Gossau Zh) · Since 2008

KOMA Treuhand GmbH provides fiduciary, tax and insurance services for businesses and private clients, including company formation, VAT registration and VAT returns, annual financial statements and payroll certificates.

kompetent treuhand Körnli 

Sirnach · Since 2005

The core activity of the company "Kompetent Treuhand" is the provision of trust services, particularly in the areas of tax consulting, accounting and financial management. The company offers its customers support with tax returns, price lists and checklists, and enables data exchange via an in-house cloud solution.

KOMS GMBH 

Zollikofen · Since 2018

KOMS GMBH provides services in real estate, construction consulting and garden leasing. Its services include property management, rentals, construction project management, bookkeeping services, distribution of zenzoz products and expert assessments for seamless outdoor flooring.

KONA Finanz GmbH 

Kallern · Since 2020

KONA Finanz GmbH provides financial services and advisory for small and medium-sized enterprises. The firm offers tailored accounting, financial management and controlling support, and the owner Nadja Koch-Born holds qualifications in finance and auditing and also performs teaching activities for healthcare managers.

König Treuhand AG 

Münchwilen Tg · Since 2001

König Treuhand AG provides fiduciary and accounting services for companies, agricultural businesses and private clients, including bookkeeping, tax advice and business consulting. The firm also offers succession planning, matrimonial and inheritance law support, and advice on agricultural land law, tenancy and agrarian law.

Konrad Althaus Verwaltungsrat und Treuhand GmbH 

Etzelkofen · Since 2014

Konrad Althaus Verwaltungsrat und Treuhand GmbH provides board mandates and fiduciary services with a focus on corporate finance, succession planning and strategy development. Services include M&A advisory, financial leadership and management information systems, governance and compliance, as well as financial coaching and support in bank negotiations.

konsilia GmbH 

St. Gallen · Since 2016

The core activity of konsilia GmbH encompasses the provision of services in the following areas: Financial and accounting, Payroll administration, Corporate consulting, Company formation, Succession planning, Tax consulting, and IT consulting. The company thus offers a comprehensive range of services for companies, sole proprietorships, and private individuals in the areas of finance, accounting, taxes, and IT.

Kontakriss Fürbringer 

Crissier · Since 2017

The company KontaKriss offers administrative services to self-employed individuals, artists, associations, and small and medium-sized enterprises (SMEs). The core activities include: Administration: invoicing, dunning, quote creation, and foreign exchange; Accounting: bookkeeping, annual financial statements, balance sheets, income statements, budgeting, analytical accounting, VAT returns, and tax returns; Payroll management: payroll accounting, social insurance, payroll certificates, withholding tax, employment contracts, and job descriptions; Personalized consulting in the areas of finance, accounting, and marketing.

KONTOMED Ärztetreuhand AG 

Pfäffikon Sz · Since 2021

The core activity of KONTOMED Ärztetreuhand AG is the provision of trust services, particularly in the areas of accounting, tax consulting and corporate consulting, specifically for doctors and medical institutions.

Kontos Treuhand-Genossenschaft 

Islikon · Since 2012

The core activity of Kontos Treuhand-Genossenschaft is the provision of administrative services for companies, particularly in the areas of financial accounting, payroll accounting, accounts receivable and accounts payable. The company offers a web-based comprehensive solution for these services and supports customers in overcoming administrative challenges. Additionally, Kontos also provides controlling, personnel administration and project management.

KONTUR Projektmanagement AG Basel 

Basel · Since 2023

KONTUR Projektmanagement AG Basel is a Switzerland-wide consulting firm that manages spatially relevant projects and processes. The company provides services in project controlling and overall project management, construction trusteeship and controlling, site and area development, competition and procedure support, and strategy consulting and process architecture.

KOOKLIN Suisse Sàrl 

Geneva · Since 2021

The company Kooklin offers a digital solution for the food industry, particularly for restaurants, kitchens and food manufacturers, to ensure compliance with hygiene and safety standards. The core activity of the company is the development and provision of a software application that enables the automation and management of temperature measurements, cleaning plans, food traceability and other processes. The goal is to reduce food losses, increase efficiency and ensure compliance with regulations.

Korolnyk Consulting & Management 

Zurich · Since 1988

The core activity of KOROLNYK consulting • management encompasses the provision of services in the following areas: Trust and accounting, Tax consulting, IT consulting, Sales and support of products, particularly in the field of Visual, Management and consulting. The company thus offers a wide range of services for companies and private individuals in the areas of finance, taxes, IT and management.

Korrodi Partner GmbH 

Thalwil · Since 2013

Korrodi Partner GmbH provides legal advice and mediation services, with a focus on estate planning (Vorsorge) and succession (Nachfolge). Services include advice and support in real estate and construction law, specialist tax matters, and corporate and contract law; as a mediator it assists with disputes in areas such as inheritance, partnerships and neighbour relations, construction, business, and public administration.

Kostenwahrheit GmbH 

Engelburg · Since 2009

Kostenwahrheit GmbH provides services for invoicing, bookkeeping, financial statements and taxes. The firm analyses accounting data to identify cost allocation and to assess product profitability.

K Patrimoine & Finance Sàrl 

Geneva · Since 2024

K Patrimoine & Finance Sàrl is an independent wealth‑management and family office advisory firm providing patrimonial and financial structuring services. It advises on tax and legal optimization, selects suitable investment solutions and supports comprehensive management of clients' patrimonial matters for private individuals, professionals and companies.

KPB Infra AG 

Liebefeld · Since 1989