Recognised Third Party Organisation (RTPO)
TWI Certification Ltd (TWI CL) is a Recognised Third Party Organisation (RTPO) for the approval of welders, welding procedures and NDT inspectors for permanent joints.
Read more...
Construction Skills Certification Scheme (CSCS)
Holders of current CSWIP certificates who wish to work on construction sites in the UK can now apply for a Construction Skills Certification Scheme (CSCS) card from TWI Certification Ltd.
Read more...
CSWIP Rules
All CSWIP applicants and certificate holders are required to comply with the CSWIP rules.
Read more...
Read more...
Renewal and Recertification
Details of how to renew and/or recertify your CSWIP Master Welder certificate can be found on our dedicated renewal page.
Read more...
Approved Training Bodies
If you would like to find a training provider offering these courses in your area, please view our list of Approved Training Providers and contact them for further details.