Leaders in the field

Tonic Construction Ltd is a highly successful Wiltshire-based civil engineering and groundworks contractor. We operate throughout the south of England and work extensively with national housebuilders, management contractors, local authorities and private developers. Since its incorporation in 1999, Tonic has seen sustainable growth year on year, thanks to our commitment to delivering even the most complex projects to our clients at the highest standard, on time and to budget.


An efficient, reliable and economic solution to every project.


A passion for excellence, and a safe working environment.


Building the future of construction and civil engineering.

Our core services


  • Foundations (rafts, piling, ring beams, trench fill traditional)
  • Sub-structure blockwork and brickwork
  • Flooring (traditional ground bearing, in situ suspended, block and beam)
  • House drainage (including sustainable drainage systems)
  • Domestic services
  • External works

Civil engineering

  • Infrastructure road, sewers and mains services
  • Culverts and large diameter pipelines
  • Reinforced concrete structures
  • Bridgeworks
  • Pumping stations
  • Attenuation and balancing ponds
  • Pipe-jacking
  • Auger boring
  • Directional drilling
  • Footpaths and cycleways
  • Section 278 works – contracts undertaking

Estate completions

  • Drainage and manhole repairs
  • Highway maintenance and adoption works
  • As built surveys
  • Road and gulley cleaning

Waste management

  • SWMP logistics
  • Site clearance
  • Landfilling
  • Contaminated waste removal
  • Road sweeping

Foundations you can

build on

Latest news

Our fleet of BMTs

Check out this great drone photo of our fleet of Bulk Material Transporters (BMT). All ready to get to work!

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