Excavation and Construction specialists. Trenchline Utilities are Excavation and Construction specialists, based in the South East of England. Established in 2008, we are a family run business with over 35 years’ experience in the industry. We offer a wide range of services; from Cable Pulling, Duct installation, Excavations for Drainage, Electric, Water, Civils and surfacing works. Our previous and current clients are the UK’s leading companies including South East Water, Clancy Docwra, Costain, Balfour Beatty, UKPN. We have recently extended into Traffic Management and can undertake any Traffic Management requirements from simple Chapter 8 set up’s to Multiphase Traffic Control with our fully qualified engineers. Our team of dedicated tradesmen are all fully insured, experienced and street work accredited.