Our Services
What We Do
Six decades of expertise across civil engineering, conservation, building, marine and trails.
From major infrastructure projects to sensitive heritage restoration, JOH and Sons brings the same commitment to quality, safety and innovation to every contract we undertake.
Civil Engineering & Utilities
Infrastructure built to last
Our civil engineering and utilities division has delivered roads, earthworks, drainage systems, large-scale infrastructure and utilities projects across Ireland and the UK for over 60 years. We work with local authorities, government bodies and private clients to deliver complex civil and utilities contracts on time and within budget.
- Road construction & resurfacing
- Earthworks & site preparation
- Drainage & culverts
- Bridges & structures
- Utilities installation
- Mains water & sewer networks
- Ducting & cable laying
Conservation
Preserving Ireland's past for your future
We specialise in the sensitive restoration and conservation of Ireland's built and natural heritage. Our experienced team works with traditional materials and methods — including lime mortars, natural stone and traditional roofing — to repair and preserve historic structures for future generations.
- Historic masonry restoration
- Lime mortar pointing & rendering
- Conservation roof works
- Heritage building repair
- Conservation carpentry
- Structural stabilisation works
Building
Commercial and public buildings delivered with pride
Our building division delivers commercial, public and community building projects to the highest standard. From new-build facilities to major refurbishments and extensions, we manage every stage of the build process with a focus on quality craftsmanship and client satisfaction.
- New-build commercial
- Public & community facilities
- Refurbishment & fit-out
- Structural works
- Extensions & alterations
- Project management
Trails & Leisure
Greenways, walkways and recreational routes
We design and construct greenways, walking trails, cycling routes and recreational infrastructure across Ireland and the UK. Our trails team understands the importance of sensitive landscaping and environmental integration, creating routes that enhance communities and encourage active travel.
- Greenway construction
- Walking & cycling trails
- Boardwalks & bridges
- Recreational facilities
- Drainage & surfacing
- Landscaping & planting
Marine
Coastal and waterway construction
JOH and Sons has extensive experience in marine and waterway construction, delivering projects along Ireland's coastline and inland waterways. Our marine works include pier construction, jetty repair, riverbank stabilisation, coastal protection, dredging and waterway infrastructure.
- Pier & jetty construction
- Riverbank stabilisation
- Coastal protection
- Quay wall repair
- Waterway infrastructure
- Dredging & clearance