
Welcome to ARX Group Grono!
The ARX Group branch in Grono is your trusted partner for the design and development of infrastructure and structural projects.
Thanks to a multidisciplinary approach, integrating expertise in tunneling, railway, and road works, enriched by structural engineering experience, we deliver robust, safe, and functional solutions.
Our team, active throughout Switzerland and at ease across different linguistic and cultural contexts, ensures clear and effective collaboration with clients and partners.
We accompany you with professionalism through every stage of the project, turning your needs into high-quality engineering solutions.

Our expertise
A motivated, dynamic, and skilled team that approaches every project with enthusiasm and professionalism.
Our constant commitment to understanding client needs allows us to provide quick responses, targeted solutions, and attentive support at every stage of the project.
Transport Infrastructure
- Railways (feasibility studies, alignment design, trackworks, ancillary works, construction management)
- Tunnels (road and rail tunnels, design, refurbishments, safety upgrades, ancillary works, inspections)
- Bridges and viaducts (design, refurbishments, structural upgrades, maintenance, inspections)
- Roads and traffic systems (urban/extra-urban, roundabouts, underpasses, parking facilities)
Geotechnical and Structural Engineering
- Geotechnics (foundations, retaining structures, soil stabilization)
- Public and residential buildings
- Industrial structures
- Assessment and restoration of masonry structures
Civil Engineering
- Hydraulics
- Urban redevelopment
- Drainage works
Our services
We support our clients through every project stage, from the initial concept to construction management and final commissioning, covering the entire process in accordance with SIA phases 21–53.
In addition to the traditional phases, we also offer the possibility of managing projects using the BIM methodology, from design to construction.
