Suitably Qualified and Experienced Personnel (SQEP) is a term that originated within the UK nuclear industry and is also used within the defence industry but similar requirements arise in other industry sectors and other countries. Typically, to be regarded as a SQEP, one requires a professional qualification and several years of experience, with recognition that one’s skills and understanding can be relied upon to resolve a technical problem to the required standards.This introductory guide highlights the issues related to the process of establishing a SQEP.