The certificate of sponsorship(CoS) is an electronic document issued by the licenced UK sponsor(or Employer) to every skilled worker or staff they hire. The Certificate of Sponsorship(CoS) is the validation for each employer which the migrant workers can use to confirm that the sponsorship is genuine or not.
A CoS does not guarantee that a visa will be granted. Once you have been assigned the CoS, the applicant worker will still need to submit a visa application under the Skilled Worker, Intra Company, T2 (Minister of Religion), (Sportsperson), or T5 (Temporary Worker) category of the points-based system to the UK Visa Immigration office.Certificate Of Sponsorship (COS) for Skilled Worker costs £199. Certificate of Sponsorship (CoS) for T5 (Temporary worker) costs £21.Defined Certificates of Sponsorship(CoS) are for Skilled migrant Workers who are living overseas.The Undefined CoS must be assigned to those skilled workers who are applying for a permission to stay from within the UK.
Read More: What is a Certificate Of Sponsorship (CoS)?