The UK Skilled Worker visa is the main way for people from outside the UK to come and do skilled jobs here. It replaced the old Tier 2 (General) visa. If you want to apply, you'll need to get 70 points by meeting certain rules. One of the most important things is having a job offer from a UK employer that is allowed to sponsor workers . Certificate of Sponsorship (CoS) You must have a Certificate of Sponsorship (CoS) . This is like a special reference number that your UK employer will give you. They can only give you this if they have a sponsorship licence from the government. You cannot get a Skilled Worker visa without a CoS. The CoS shows a few important things about your job offer: It proves you have a job offer from a licensed sponsor . It confirms that your job has a skill level of at least RQF Level 3 (which is similar to A-levels). It states your salary , which must meet certai...