As CSR we facilitate the provision of TWI personnel certification services via our training & examination, see:

CSWIP Course Schedules
CSWIP Examination Schedules

Above learning and examination schemes shall help you to obtain:

CSWIP certification scheme for those seeking employment in critical disciplines, such as welding, joining, construction, operation or repair of high integrity structures, plant or machinery as well as materials integrity and inspection during manufacturing and in-service.
BGAS-CSWIP certification scheme includes additional topics such as painting, coating, and agricultural and environmental matters, meaning that there is a more universal scope to the scheme.
CSWIP Cathodic Protection certification scheme provide a means for those working in cathodic protection to protect pipelines, structures which requires dedicated monitoring and surveying of performance, and competent individuals to conduct such surveillance.