Holding a UK Worker or Temporary Worker sponsor licence creates continuing duties. An employer is expected to assign a valid Certificate of Sponsorship (CoS) only for a genuine, eligible role, pay and employ the worker as described, report relevant changes to UK Visas and Immigration (UKVI), keep required records and cooperate with checks. The licence is not a one-time approval that removes these responsibilities.
This guide is for the employer-side compliance task. It does not decide whether a person qualifies for a visa, calculate a route salary, or replace a separate right-to-work check. It covers the general Worker and Temporary Worker sponsor framework; route-specific rules for Skilled Worker, Seasonal Worker, Scale-up and other categories can add requirements.
Keep a named owner and backup for the licence
Report changes on time
Keep route-specific records ready
Confirm the licence covers the route and organisation
Before assigning a CoS, check that the sponsor licence is active and covers the route in which you intend to sponsor the worker. A licence for one route does not automatically authorise sponsorship under every Worker or Temporary Worker route. Check the organisation's entry on the official register of licensed sponsors and confirm that the relevant route and legal entity match the planned employment.
If you do not yet hold the relevant licence, apply and wait for the Home Office decision before sponsoring a worker. The application guidance explains the organisation, key-personnel, evidence and HR-system requirements. A licence application should describe the real business and proposed use of sponsorship. Do not treat a licence as guaranteed because the business is registered or has previously employed migrant workers.
For the distinct pre-approval process, see the UK sponsor licence application guide, which covers route selection, key personnel, Appendix A evidence and the post-submission document deadline.
Tell UKVI through the Sponsor Management System (SMS) when reportable details about the organisation, its branches or key personnel change. The relevant events and deadlines are set out in the current sponsor guidance; some organisation changes require action before the change takes effect, and some transactions may require a new licence application. Check the specific transaction rule before a merger, takeover, change of ownership or restructuring rather than assuming the existing licence transfers unchanged.
Make each Certificate of Sponsorship match the real job
The sponsor must check the role, worker and route before assigning a CoS. Confirm that the job is eligible under the route, the worker can meet the route requirements, the pay is correct for the work pattern and the employment arrangement is genuine. Route guidance may set an occupation or skill requirement, salary rules, English-language requirements, a genuine-vacancy test, or additional sector evidence. A job title alone does not establish eligibility.
The CoS should describe the actual role, duties, work location, salary and hours. Keep the recruitment and vacancy evidence that supports the assignment, along with the signed contract and the information used for the application. If working arrangements change later, review both the employment contract and the sponsor-reporting rules. Do not use a CoS to describe a role that the worker will not perform, or assign one simply to help someone make an unrelated immigration application.
The sponsor is normally responsible for the sponsored worker's duties, functions, outputs and pay, even where a permitted arrangement means another organisation is involved in the work. Contracting, labour supply, branches and related organisations have specific rules. Check Part 2 and the relevant route guidance before placing a worker at a client site or assigning duties under a third-party arrangement.
Pay the worker and meet employment-law requirements
Pay the worker in line with the route requirements and the terms recorded in the CoS. For the routes identified in the sponsor guidance, the sponsor must pay at least the applicable route minimum; all sponsored work must also comply with National Minimum Wage and Working Time rules. Salary requirements can depend on occupation, hours, going rate, discount or transitional provision. Use the current route-specific rules rather than an old offer letter or a threshold from another visa category.
Keep payroll records that show what was actually paid and when. Check them against the CoS, contract, payslips and HMRC reporting. The Home Office says it may monitor sponsors and use HMRC checks to assess pay. If an adjustment, unpaid leave, reduced hours or salary change is proposed, confirm how it affects the route before implementing it and report the change if required. The sponsor guidance is not a replacement for the worker's employment rights or payroll obligations.
Report worker events and organisation changes
Sponsors must use the SMS to report specified events. Under the current general rule, changes affecting a sponsored worker must normally be reported within 10 working days, and reportable organisation changes within 20 working days, unless the guidance gives a different deadline. These are sponsor reporting periods, not a general grace period to change the job or pay without checking whether a new application is needed.
Worker events can include failure to start, unauthorised absence meeting the reporting rule, certain changes in work location or duties, early termination, and other circumstances listed for the route. You must also tell UKVI as soon as reasonably practicable if you know or suspect that a sponsored worker has breached their conditions. Not every change is reported in the same way; consult the detailed list and the relevant route chapter before deciding an event is outside scope.
Organisation events can include changes to trading details, address, ownership, legal entity or key personnel. Some events must be reported before or shortly after they happen; the correct process depends on the nature of the change. Keep a dated log showing the event, the person who assessed it, the source rule, the SMS submission and any UKVI confirmation. A reminder in an HR system helps, but does not itself complete the report.
- 1Record the event — Log the date and what changed, then identify the sponsored worker, route, legal entity and responsible licence user.
- 2Check the exact rule — Read the current Part 3 reporting section and route-specific guidance; note any exception or shorter deadline.
- 3Report and retain proof — Submit the required SMS report within the applicable period and keep the submission record and supporting documents.
Keep records ready for a compliance check
Appendix D is the operational list of records sponsors must hold for each worker. Depending on the route and circumstances, records can include right-to-work evidence, recruitment or vacancy documents, employment contracts, payslips, contact details, absence records and documents supporting the CoS. The appendix specifies which records apply; this is not a universal checklist that every sponsor can satisfy by keeping only a passport and contract.
Records can be kept on paper or electronically, but they must be legible, complete and made available when UKVI asks. Under Appendix D version 10/26, the general rule is to keep a sponsored worker's records throughout sponsorship and until the earlier of one year after sponsorship ends or a compliance officer has examined and approved them. The sponsor must also retain documents supplied with the licence application for as long as it holds the licence. Other legal duties can require longer retention, so follow the longest applicable requirement and your data-protection obligations.
Assign an owner for each record category, restrict access to people who need it, and make sure someone can retrieve the file if a key employee leaves. Review whether the recorded role, work location, salary and contact details still match the real arrangement. Keep an audit trail for corrections and avoid silently replacing an earlier record where the original is relevant to the compliance history.
Treat right-to-work checks as a separate control
Sponsor compliance and prevention of illegal working are related but distinct duties. A sponsor must keep the records required by Appendix D, including relevant right-to-work evidence. Employers also have separate right-to-work checking duties for employees and, from October 2026, other working arrangements. Follow the current employer checking guidance for the person's status and work type, and retain the prescribed evidence so the organisation can establish the applicable statutory excuse where the rules allow one.
Do not infer a person's work permission only from a CoS, an old visa vignette, a share code supplied months ago, or the fact that the person is on the sponsor register. Check the person's current permission using the approved method and check that the proposed work is permitted. If the online service is unavailable or the person's documents do not fit the standard route, use the current Home Office guidance for that case and document the steps taken. For the general check process that applies beyond sponsor-licence holders, see our UK employer right-to-work checks guide.
Prepare for visits and respond to UKVI requests
UKVI can monitor a sponsor's compliance through checks, visits and information requests. Make sure relevant staff know where the licence records are held, who can access the SMS and who will respond to an officer. The sponsor must provide requested documents within the timeframe given. If a request is unclear or a record is missing, escalate it promptly and provide an accurate explanation; do not ignore a deadline or create a retrospective record that suggests a check happened when it did not.
Use periodic internal reviews to compare a sample of sponsored workers' actual duties, work locations, hours, pay and absence records against their CoS, contract, payroll and route requirements. Review SMS users and permissions, check that the organisation's contact details remain current, and investigate discrepancies. Record corrective action and the date completed. A documented process is useful only if staff follow it and it reflects the live rules.
Understand possible licence action
If UKVI identifies a concern, the outcome depends on the facts and the guidance. It may reduce a Certificate of Sponsorship allocation, downgrade a licence rating and require a time-limited action plan, suspend the licence while it investigates, or revoke it. A B-rating action plan carries restrictions on sponsoring new workers until the rating is restored. While a licence is suspended, a sponsor cannot assign new CoS. Revocation can affect the sponsor's ability to recruit and can have consequences for sponsored workers' applications or permission.
Read the decision letter carefully, note the response deadline, preserve relevant records and obtain appropriate specialist advice where needed. Do not promise workers that their permission is unaffected or calculate a visa expiry from the employer's notification alone; the worker should check their own UKVI notice and current permission. For the worker's next steps after employment or sponsor changes, see the Skilled Worker job-loss and sponsor-change guide. That page covers the worker's process; this guide covers the employer's compliance duties.
A practical recurring review
At least when a worker starts, changes role or location, takes leave, changes pay, leaves employment or reaches a route milestone, ask the HR and licence owner to review the sponsor rules. A quarterly sample review can help catch drift between actual working arrangements and the records. Review the published guidance when assigning a new route or when the Home Office updates a version; a calendar reminder does not freeze the applicable rule.
The compliance lead can keep a short internal record for each event: what happened, which guidance section applies, the report deadline, who approved the response, what was sent through SMS, and where the evidence is stored. This record supports handover and helps the organisation respond consistently. It should document the real event and decision, not serve as a substitute for the underlying evidence.
Does a sponsor licence cover every UK work visa route?
How quickly must an employer report a sponsored worker change?
How quickly must a sponsor report a company change?
What records should we keep for a sponsored worker?
How long must sponsor records be kept?
Is a Certificate of Sponsorship the same as a right-to-work check?
Can the sponsor outsource its reporting and record keeping?
What happens if UKVI downgrades the licence to a B-rating?
Can we assign a CoS while the licence is suspended?
Does a sponsor-licence problem automatically end the worker’s permission?
Does this guide cover Student, Family or Global Talent visas?
Where can employers find the current record checklist?
Official sources
- Home Office: sponsor duties and compliance, Part 3 — reporting, records, monitoring and licence action.
- Home Office: sponsor a worker, Part 2 — who needs sponsorship, CoS, job and pay requirements, right-to-work connection.
- Home Office: apply for a sponsor licence, Part 1 — licence application and suitability requirements.
- Home Office: Appendix D record-keeping duties, version 10/26 — required sponsor documents, retention and data protection.
- Home Office: right to work checks, employer's guide (1 October 2026) — current checking methods, scope and evidence for employers.
- GOV.UK: register of licensed sponsors — check the current licensed organisation and route.
This guide is general employer information and does not assess a sponsor's compliance or a worker's immigration status. Use the current Home Office guidance and the organisation's own licence decision for the exact requirements.