Estimators / Senior Estimators - 5 Specific OptionsReinforced Concrete (RC) Frame & Groundwork SubcontractorsAbout the 1 – Hertfordshire BasedHaving worked with this contractor for the past 15+ years I have seen them develop in both size and capability. They now currently turnover around £100 million per annum, building concrete frame and groundwork packages ranging in value up to £30 million each for a variety of residential and commercial contractors and developers throughout London and ...