Who are we?

HTSL has been one of the UK’s leading suppliers of radioactive isotopes for over 20 years.  Our team hosts a wealth of experience many working in the industry for over 40 years from compliance managers to cell operators to engineers our team is equipped to deal with all of your needs.


There are 2 main divisions within HTSL the first supplies the Eckert and Zeigler product lines which are sold into Hospitals, Universities, Nuclear Licenced sites, Calibration facilities, Oil production and more.

The second division within HTSL supports the non destructive testing industry, we have a number of brands that we represent who all support varying techniques.  Gamma radiography – QSA global, Isotrend, Spec and Polatom.  Zetec – Phased Array Ultrasonic Testing (PAUT), Eddy Current and Eddy Current Array.  Carestream – Film, Chemicals, Digital Radiography and Computed Radiography.

Our Leadership

Benjamin Read, General Manager

Duncan Aston, Compliance Manager

Max Pottinger, Isotrak Manager

Mathew Anderson, Technical Manager

Stephen Downie, NDT Business Development Manager

Michelle Vaisey, NDT Customer Services

David Gilbert, Isotrak Customer Services

Omar Hussain, Service Technician

Steve Bolt, Service Technician

Harry Holifield, Service Technician

Lynn Thomas, Accounts Technician


Industries We Serve