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Retas Schema AG 

Aarau · Since 1991

The core activity of Retas Schema AG is the planning, execution and commissioning of control and regulation technology for heating, ventilation and air conditioning (HVAC) systems as well as building automation. This includes in particular: creation of electrical schematics and software, delivery and installation of control and field devices as well as switchgear, commissioning and troubleshooting of systems, consulting and execution of projects in the field of HVAC and building automation. The company offers its services primarily for medium-sized and smaller projects in the Swiss Plateau region.

ReTrainEd GmbH 

Aarau · Since 2022

ReTrainEd GmbH offers practice-oriented continuing-education courses for occupational therapists and physiotherapists focused on hand rehabilitation. Courses combine theoretical and practical components and cover topics such as strength training for the upper limb and post-operative management of flexor tendon injuries, taught by specialists in hand therapy and rehabilitation science.

RGS Bahnsicherheitstechnik AG 

Aarau · Since 2005

The core activity of RGS-Bahnsicherheitstechnik AG is the planning, manufacturing, installation and maintenance of railway safety technology, in particular level crossings and switches, as well as the provision of services such as design, testing and documentation in the field of railway safety technology.

Risk&Safety AG 

Aarau · Since 2001

Risk&Safety AG is a consulting company specializing in risk management in the fields of construction, technology, and organization. The core activities include: Hazard and risk analyses, Fire protection and explosion protection, Earthquake safety and structural safety, Natural hazards and infrastructure safety, Emergency organization and crisis management, Safety management and emergency preparedness, Occupational safety and training, Research and development in the field of safety and risk management. The company provides independent consulting and supports customers in developing solutions for complex safety and risk problems.

Rizzo Treuhand GmbH 

Aarau · Since 2014

The core activity of Rizzo Treuhand GmbH is the provision of services in the areas of financial consulting, tax consulting and trust services. This includes in particular: Trust consulting and support, Tax consulting and planning for private households and companies, Financial consulting and planning, including financial management, Accounting and digital archiving of documents, Co-address service for companies, Support in the founding of companies. The company thus offers comprehensive services in the areas of financial and tax consulting and supports customers in managing their finances and meeting their tax obligations.

Robert Hauri GmbH 

Aarau · Since 1998

The core activity of Robert Hauri GmbH is the caretaking of multi-family houses, including cleaning and maintenance of properties on behalf of owners and property management companies.

Robucci & Schär GmbH 

Aarau · Since 2022

The company offers coaching services for job seekers, particularly in the areas of application strategy, self-awareness, profile creation and assessment. The core activity consists of individual accompaniment and support of persons in their job search, in order to improve their chances on the labor market.

Rolf H. Meier Mediation und Beratung 

Aarau · Since 2021

The core activity of the company 'Rolf H. Meier – Mediation and Consulting' consists of providing services in the fields of mediation, consulting and coaching, particularly in the areas of: * Owner support and cooperation models * Conflict prevention and conflict resolution * Communication and participation procedures * Coaching and leadership. The focus is on supporting companies and organizations in managing complex projects, conflicts and change processes.

Rothpletz, Lienhard + Cie AG 

Aarau · Since 1947

Rothpletz, Lienhard + Cie AG is a construction company and engineering firm that provides planning, construction and project-accompanying services for infrastructure projects. Its offerings include project engineering, civil and tunnel construction, pneumatic crane and transport services, and in-house equipment and workshop management.

RP Architekten AG 

Aarau · Since 1981

RP Architekten AG plans and delivers new-build projects and carries out renovation and conversion works on existing properties. The firm provides construction management, client-trustee services, general construction consulting and project development for multi- and single-family homes, commercial buildings and public buildings.