Passive and Active Builds

As Approved Service Providers (ASP) 4site future-proof your passive and active infrastructure builds and rectification of existing sites.


4site has considerable experience in managing, coordinating and supervising the construction and rollout of wireless sites of all guises for licenced operators, vendors (OEM’s) and independent infrastructure owners alike.


We leverage the skills, experience and knowledge of our in-house property team to assist with the front-end planning/consenting/permitting stages in order to get to build commencement that bit quicker with fewer delays.  4site’s independent design-led methodology enables smarter & more cost-effective solutions to be developed from the outset.


We tailor the design solution to the most exacting of standards to include future-proofing and ensure compliance with all client requirements.  4site’s Build Managers and Construction Controllers supervise the site activities, as well as the nominated sub-contractors, to ensure full adherence with current Regulations. HSEQ is taken very seriously at 4site, and we govern the work in a safe and efficient manner at all times.


4site build antenna support structures which includes self-supporting lattice towers, stayed poles, guyed masts, free standing monopoles, telegraph poles, streetworks poles etc.

We build for greenfield, brownfield, rooftop, street furniture (lampposts, benches, traffic lights) and water towers.


We can strengthen existing structures, replace existing antenna support structures , modernise an ageing infrastructure, rectify old towers.



Our design-led thinking build high quality passive infrastructure for neutral hosts including compound, access towers, structures, rooftop builds.



4site work on behalf of the operator to rig, commission and test various infrastructure types including many antennae types with Ericsson and Nokia equipment.


  • Temporary and permanent access tracks
  • Traffic and pedestrian management
  • Foundations/RC plinths
  • Trenches and ducting
  • Chambers and inspection pits
  • Specialist piling/underpinning
  • Support steelworks
  • Cable management (gantries/ladder/tray work etc.)
  • Fenced compounds
  • Ground works
  • Foundation enhancement
  • Retaining walls etc.
  • Planned and reactive maintenance


  • Power dimensioning
  • Electrical installation and certification
  • Mains and sub-mains power connections
  • Temporary power connections (LL or generator hire)
  • Earthing and lightning protection system
  • Aircraft warning lighting
  • HVAC (air cooling)
  • Lighting

Rigging & Commissioning

  • Assembly and erection of support structure
  • Specialist access/plant
  • Antenna installation and alignment
  • RF/DC/Fibre cable installation
  • Jumpering and connections
  • Cabinet/cabin deployment and landing
  • RF system testing (incl PIM)
  • Equipment commissioning
  • Integration and implementation
  • Microwave installation and testing
  • Fault diagnosis and rectification
Contact us to learn more

Find Out More

If you want to know more about what we do or how we can add value to your business get in touch: