Holding company in
Kreuzlingen

TIT Imhof Holding AG

Since 2018 · 1–10 empl.·4.6(41)

TIT Imhof Holding AG is part of the TIT Imhof Group, which provides transport solutions and services in construction, waste disposal and recycling. Its activities include earthworks, demolition, specialist transport and the processing of mineral construction waste.

StarMinen Holding AG

Since 2007 · 1–10 empl.

StarMinen Holding AG produces and sells ballpoint pen refills and related writing instruments, offering product lines such as DigitalStar, MagnetStar, EuroSilver, GermanStar and MiniStar, together with accessories and options for small-quantity and wholesale orders.

Private Aviation Services GmbH

Since 2008 · 11–20 empl.

Private Aviation Services GmbH provides aviation consulting and resourcing services, including recruitment, employment and HR administration such as payroll and labour relations for pilots, cabin crew and technicians. The company also offers aircraft brokerage, long‑term wet‑lease/ACMI support, assistance with sustainable aviation fuel (SAF) procurement and advisory services for ground and airport operations.

Freyersfeld AG

Since 2017 · 1–10 empl.

Freyersfeld AG acquires, holds and manages stakes in companies and licensing rights in Switzerland and abroad. Its activities also include managing real estate, arranging financing, and providing guarantees or sureties for subsidiaries and third parties.

Trewitax AG

Since 2005 · 1–10 empl.·4.4(7)

Trewitax AG is a fiduciary and advisory firm offering fiduciary services, statutory and special audits, and tax consulting. Services include accounting and payroll, tax returns and tax planning; the firm operates across the D‑A‑CH‑S region through an alliance and is a member of Geneva Group International.

SINUS AG Holding

Since 2017 · 1–10 empl.·5.0(4)

SINUS AG Holding performs noise and vibration measurements and produces reports, certificates and expert opinions, and offers consultancy on noise-related legal matters. Its services include noise measurement and monitoring, noise assessments and remediation, building acoustics, vibration measurements, pavement acoustic testing, traffic counts, noise registers and technical support for committees.

TRALOG Holding AG

Since 2022 · 1–10 empl.·3.7(20)

TRALOG Holding AG provides international transport logistics and freight forwarding services, including groupage and full-load transports, parcel and express services, and project and heavy transports. The company also offers warehousing and distribution, courier services and customs clearance, operating a customs office at the Autobahnzollamt Kreuzlingen; fiscal representation is available via the subsidiary INTRALOG GmbH.

Aktiva Holding GmbH

Since 2015 · 1–10 empl.·2.8(5)

Aktiva Holding GmbH provides tax and business advisory services for private clients and companies. Services include tax declarations and annual accounts, bookkeeping and payroll, as well as cross-border advice covering Swiss and German tax matters.

Human Bios Holding AG

Since 2009 · 1–10 empl.·1.0(1)

Human Bios Holding AG develops dynamic security features for product authentication and protection, including the Krakelee security system that uses changing lacquer surface patterns as unique identifiers. The company also develops digital security solutions leveraging blockchain technology to support data integrity and authentication.

FNHB AG

Since 2010 · 1–10 empl.

FNHB AG is an investment company that designs, structures, finances and administers projects carried out by start-ups and high-growth companies. It supports its investments with management, engineering and financing services.

Pentagon Partners AG

Since 2010 · 1–10 empl.

Dr. Feistkorn AG

Since 2016 · 1–10 empl.