Welcome to our new look website.

"T.R.H.A Ltd is a specialist tunnelling company established in 1997. We provide expert services related to all hyperbaric techniques associated with modern tunnelling applications, together and in parallel with related Tunnel / TBM ; Safety, Medical, Occupational Health, Rescue & Extrication
supports.
Please use the navigation panel (Left) to find your way around. Our telephone and email addresses appear at the foot of every page for your convenience.

A.R.Ridley MSc CMIOSH - Managing Director"
 
 
Tel: +44 01508 538 838 Fax: +44 01508 538 938