An individual possessing a CSCS Card can build confidence with his or her client while working on a project. Owning a CSCS card is not a compulsory requirement while working in the construction industry. However, if a candidate does possess a card, then he or she can find many opportunities to build a career in the industry. There are different types and colours of cards which are recognised in the construction sector. The CSCS issue labourer, apprentice, experienced technical/supervisor, experienced worker, trainee card, skilled worker, supervisory, manager and academically qualified cards. These cards can be obtained by gaining qualifications.
https://www.theccm.co.uk/cscs-card-checker/