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Fritsche Engineering AG 

Rorschacherberg · Since 2023

Fritsche Engineering AG develops customer-oriented software and provides consultancy in software architecture and development. Services include Abacus ERP integrations (including an Abacus CRM–Mailchimp integration), API development, hosting and secure data synchronization.

Gautschi AG 

Rorschacherberg · Since 2016

Gautschi AG is a construction company providing building construction, civil engineering, stonemasonry and a comprehensive range of service and renovation works. The portfolio includes construction planning and specialist departments as well as carpentry and window manufacturing, plumbing, heating and related technical installations.

Gesundheitspraxis Ulrike Williams 

Rorschacherberg · Since 2014

The core activity of the company "Gesundheitspraxis Rorschach" is the provision of health services, in particular: individual consulting and accompaniment, cranio-sacral treatments, and massages. These services are offered by qualified therapists (Ulrike Williams and Andrea Lutz Wimmer) and are partially recognized by health insurance companies with supplementary insurance.

Hauswartungen Barragan Petit 

Rorschacherberg · Since 2019

The core activity of the company 'Hauswartungen Barragan' is the provision of services in the field of cleaning, property management and maintenance of real estate, including: routine cleaning, deep cleaning (final cleaning), apartment cleaning, window cleaning, shutter cleaning, garden maintenance, and winter services. The company offers these services to private households and properties, emphasizing quality, reliability, and a high level of service.

Hippmann Bauleistungen GmbH 

Rorschacherberg · Since 2023

The core activity of Hippmann Bauleistungen GmbH is the provision of construction services, particularly the coordination and realization of construction projects with the highest quality, punctuality and cost transparency.

Hi-Rules GmbH 

Rorschacherberg · Since 2017

Hi-Rules GmbH is an owner-managed consulting firm focused on insurance IT (based on adcubum SYRIUS), communication and documentation. Services include IT consulting (including configuration of rule engines such as E-Claim Plus), corporate and change communication, and documentation projects from analysis to implementation, with training and knowledge transfer.

Horizn Digital GmbH 

Rorschacherberg · Since 2022

The core activity of Horizn Digital is digital customer acquisition and employee recruitment for companies. Specifically, the company offers services to increase the online visibility and attractiveness of companies in order to attract potential customers and employees. This includes placing advertisements on social media, automatically pre-qualifying applicants, and filtering out suitable candidates. The goal is to help companies optimally market their products and services online and generate new customers automatically.

Hörnlibuck AG 

Rorschacherberg · Since 1992

The core activity of Hafen Hörnlibuck is the management and rental of water and dry berths for ships of all kinds in a marina on Lake Constance in Rorschacherberg.

Hucon Immobilien AG 

Rorschacherberg · Since 2009

Hucon Immobilien AG is a consulting firm that develops tailored industrial consulting solutions covering the full value chain, including development, logistics, procurement, production and sales. Core services include strategy, organization, process and project consulting, project coaching, interim management and restructuring; the firm also provides outsourcing of production and development functions and mechanical/coating contract work for security steels.

Hucon Swiss AG 

Rorschacherberg · Since 2006

Hucon Swiss AG is a consulting firm that develops tailored industrial consulting solutions and provides services across the value chain, including development, logistics, procurement, production and sales. Its core competencies include strategy, organization, process and project consulting, project coaching, interim management and restructuring. The company also operates a HUCON Defense division focused on mechanical and coating contract machining for security steels and related manufacturing processes.