The Ronez operations supply the Channel Islands with aggregates, ready-mixed concrete, asphalt and precast concrete products. Operating out of St John’s Quarry in Jersey and Les Vardes Quarry and Vale Castle in Guernsey, offering a full range of high-quality construction materials. SigmaGSY is a shipping business using specialised ship to supply dry bulk cementitious material internally and to third parties across UK, Europe and Scandinavia.
Ronez supplies the Channel Islands with key construction materials such as aggregates, ready-mixed concrete, asphalt, precast concrete products and cement as well as construction services through their contracting division.
SigmaGSY sources and supplies bulk material such as cement, GGBS and PFA using a specialised NABSA pneumatic vessel. The primary function is for suppling the Channel Islands due to stringent port requirements, but it also supplies third parties UK, Europe and Scandinavia due to its low draft and specialised functions.