Jaygandhi
2 min readJun 2, 2023

A Certificate of Sponsorship (CoS) is a document that is issued by a licensed employer in the UK to a prospective employee who is not a UK or EEA national. The CoS contains information about the job offer, the salary, and the employer’s sponsorship details. The CoS reference number is a unique identifier that is used to apply for a UK visa.

How to Get a Certificate of Sponsorship Reference Number

To get a CoS reference number, you will need to follow these steps:

  1. Find a licensed employer in the UK who is willing to sponsor you.
  2. The employer will need to create a profile on the Sponsor Management System (SMS) and submit an application for a CoS.`
  3. The application must include information about the job offer, the salary, and your qualifications.
  4. Once the application is approved, the employer will be issued a CoS.
  5. The CoS will include the CoS reference number.

How to Use a Certificate of Sponsorship Reference Number

To use a CoS reference number to apply for a UK visa, you will need to follow these steps:

  1. Create a visa application account on the UK Visas and Immigration website.
  2. Select the “Skilled Worker” visa category.
  3. Enter the CoS reference number in the relevant field.
  4. Complete the rest of the visa application form.
  5. Pay the visa application fee.

What Happens If I Do Not Have a Certificate of Sponsorship Reference Number?

If you do not have a CoS reference number, you will not be able to apply for a UK visa. You will need to find a licensed employer in the UK who is willing to sponsor you and then follow the steps above to get a CoS.

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If you have any questions about the CoS reference number, please contact us. We would be happy to help you.