A Certificate of Sponsorship (CoS) is crucial for skilled workers applying for a visa to work in the UK. Issued by an approved employer, it confirms that you have a job offer and meet the criteria for a skilled worker visa. The CoS includes details about your role and salary. It’s an integral part of the visa application process. Ensure your employer is registered with the UK Home Office and understand the responsibilities attached to this sponsorship. Secure your job in the UK with a valid Certificate of Sponsorship.