
MBBR Eastern Balancing Reservoir
Heathrow
Project included drainage, road formation and a concrete delivery bay.
Client · Morgan Sindall

Rk Air Ltd · Company 09172591
Active, accounts up to date·subcontractor & supplier·Head office Quorn
RK Air specialises in making airport utility installations seamless. Founded on decades of combined experience in the pipeline and utilities contracting industry, the company's expertise now encompasses firemains, hot water systems, potable water systems, and general civil engineering. They offer a unique package for firemain systems, providing pipeline supply and installation with all associated civil engineering works, ensuring a single point of contact for clients.
This integrated approach guarantees optimal programme and budget adherence without the complexities of multiple interfaces between companies. For heating and hot water systems, RK Air provides a full turnkey solution, including the supply of pre-insulated steel and plastic pipework from global suppliers. Their service covers the entire installation process, including all civil engineering works, and they employ their own experienced in-house Class 1 welding team for quality assurance.
RK Air also delivers potable water systems with unparalleled standards for hygiene and installation quality. Their workforce is fully water hygiene compliant and experienced in all associated civil engineering works, on-site chlorination, testing, and commissioning, ensuring required hygiene standards are maintained throughout the process.

Heathrow
Project included drainage, road formation and a concrete delivery bay.
Client · Morgan Sindall

Heathrow
Installation of a fire main system for British Airways.
Client · British Airways

Works on the T3 service tunnel.

London Heathrow
General airport utility installation.
Ferrovial, Gatwick Airport, Morgan Sindall, British Airways.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Airport utility installation specialist delivering firemain, gas & hot water systems including supply, commissioning & all civil engineering works & support. Their listed services include Utilities, Civil engineering, Drainage and Heating & ventilation.
Rk Air Ltd is registered at 78 Loughborough Road, Quorn, LE12 8DX, in East Midlands.
Rk Air Ltd states that it works across Nationwide.
Accounts filed for the year to 2025 report 24 employees, which places the company in the 10-49 employees band.
Rk Air Ltd does not disclose turnover: UK small-company accounts are not required to. Based on headcount and trade debtors in its filed accounts, turnover is likely to fall between £2.3m and £6.2m. This is an estimate, not a filed figure.
Companies House lists Rk Air Ltd as active, with accounts most recently made up to 2025-03-31.
Rk Air Ltd displays FORS Gold and FORS Bronze on its website.
Rk Air Ltd works in Infrastructure.
Rk Air Ltd was incorporated on 2014-08-12.
Track budgets, committed costs, invoices and profitability in one place, so cost issues show up before they turn into margin surprises.