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Heat Transfer Technology (H.T.T.) AG 

Zug · Since 2007

The core activity of Heat Transfer Technology AG is the development, manufacture and consulting of heat transfer systems and components for various industries, particularly in the fields of refrigeration and heat transfer. The company offers technical systems and components such as heat exchangers, heat exchange plates and cooling systems that are tailored to functionality, efficiency and value stability in specific application areas.

KingClooney GmbH 

Zug · Since 2012

MCC Beteiligungs AG 

Zug · Since 2013

The core activity of MCC Beteiligungs AG is the investment and development of projects in the field of social real estate, particularly in the care and healthcare sector, as well as in green energy and industry. The company offers individual financing options and develops attractive projects together with partners, from land acquisition to commissioning.

AUTO TECH AG 

Zug · Since 2000

Bruhin Klass Landtwing AG 

Zug · Since 2007

The company Bruhin Klass Landtwing AG is a law firm specializing in various areas of law, including corporate criminal law, labor law, inheritance law, contract law, mediation, and others. The core activity of the company is advising and representing companies and private individuals in legal matters, including drafting contracts, conducting litigation, and representing clients in court.

XLNC AG 

Zug · Since 2020

The core activity of XLNC is to be a global association of independent consulting firms in the fields of accounting, law and management. XLNC provides its members with a platform for exchanging know-how, developing business relationships and collaborating on international mandates.

ACR Aviation Capacity Resources Switzerland AG 

Zug · Since 2017

The core activity of ACR Switzerland is the provision of air traffic services and consulting services for regional airports in Switzerland and Europe, particularly in the areas of: Air Navigation Services (ANS), Digitalization, Consulting for new air traffic users, Training services, Air traffic monitoring and consulting. The company offers these services as an alternative to established providers and focuses on the needs of regional airports.

Acton Revisions AG 

Zug · Since 1975

Acton Revisions AG provides statutory audit and assurance services and related audit advisory work. The firm also offers services in accounting, tax (including VAT advisory), payroll and company formation for SMEs and private clients.

Acton Treuhand AG 

Zug · Since 1984

Acton Treuhand AG is a fiduciary firm providing trusteeship, tax advisory and audit services to corporate and private clients. Additional services listed on the website include company formation, fiscal representation, VAT consulting, accounting, payroll and office rental.

Aletheia Investment AG 

Zug · Since 2023

The core activity of Aletheia Investment AG consists of the acquisition, management and disposal of participations of all kinds, as well as the financing and securing of obligations for itself and for companies in which it is directly or indirectly involved, or for its shareholders and their companies.