Understanding the Certificate of Sponsorship (CoS)
A Certificate of Sponsorship (CoS) is a digital record issued by a UK-licensed employer to a migrant worker they intend to hire. It is a crucial part of the Skilled Worker visa application process. From April 2025, updated immigration rules have reshaped how employers assign CoS, making it vital for applicants and businesses to stay informed.
Key Changes After April 2025
The UK government has introduced stricter eligibility criteria to ensure that sponsorship is granted only for genuine employment roles. Notable changes include:
Higher minimum salary thresholds for sponsored workers.
A narrower list of eligible shortage occupations.
Increased compliance requirements for employers.
Greater scrutiny on job genuineness and candidate suitability.
Steps to Secure a CoS as a Worker
Identify Eligible Employers – Only licensed sponsors can issue a CoS. Workers should verify that the employer is listed on the Home Office’s updated sponsor register.
Meet the Role Requirements – Ensure your skills, experience, and salary meet the new minimum thresholds.
Prepare Supporting Documents – Academic qualifications, proof of English language ability, and work experience must be ready for verification.
Apply Through the Employer – Once the employer confirms the role, they will request and assign your CoS through the Sponsorship Management System (SMS).
Use the CoS in Your Visa Application – A CoS reference number must be submitted with your Skilled Worker visa application.
Steps for Employers Issuing CoS
Maintain Sponsor Licence Compliance – Employers must continue to meet reporting duties and record-keeping standards.
Request a Defined CoS – For overseas applicants, a defined CoS must be requested from the Home Office before assignment.
Assign the CoS Through SMS – Once approved, the CoS can be allocated to the applicant with details of the job role, salary, and employment duration.
Monitor Ongoing Compliance – Employers must report any changes to employment, such as reduced hours or termination.
Common Challenges and How to Overcome Them
Salary Thresholds – Some roles may no longer qualify due to increased salary requirements. Employers may need to adjust pay scales to attract overseas talent.
Shortage Occupation Updates – Workers applying for roles previously on the shortage list should confirm if they still qualify under the revised rules.
Processing Delays – Increased demand after rule changes can lead to delays in CoS approval. Applying early is crucial.
Tips for a Successful CoS Application
Start the process well in advance of your intended employment date.
Ensure all information in the CoS is accurate and matches the visa application.
Keep communication open between the employer and employee to avoid compliance errors.
Seek immigration advice if unsure about eligibility or rule changes.
Conclusion
Securing a Certificate of Sponsorship post-April 2025 requires careful preparation by both employers and workers. With higher thresholds, tighter compliance checks, and evolving shortage occupation lists, staying proactive and informed is essential. By meeting the updated requirements and starting early, applicants can improve their chances of a smooth and successful sponsorship process.
