This guide is maintained as a current resource for July 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Comprehensive guide to UK work visa sponsorship reporting duties, explaining what employers must report to UK Visas and Immigration (UKVI), the time limits for reporting worker and business changes, procedures via the Sponsor Management System (SMS), risks of non‑compliance, and practical steps to stay compliant.
Employers who hold a sponsor licence to recruit and sponsor overseas workers under skilled work routes have ongoing legal obligations to report specific changes to the UK Home Office. These reporting duties are distinct from initial sponsor licence conditions and are fundamental to maintaining compliance with UK immigration law. Failure to report relevant events or changes within prescribed timeframes can lead to compliance action, including licence downgrades, suspension or revocation, civil penalties and impacts on current and future visa sponsorships. This article explains what employers must report, the procedures and time limits involved, potential risks, and answers to common questions.
What Are Reporting Duties?
Reporting duties are obligations placed on licence holders to inform UK Visas and Immigration (UKVI) of changes relating to:
- Sponsored workers' circumstances
- The sponsor organisation's circumstances
Employers must send these reports through the Sponsor Management System (SMS), an online portal provided by UKVI for managing sponsorship duties.
The Workers and Temporary Workers guidance (Part 3: Sponsor duties and compliance) defines reporting duties as core sponsor responsibilities. These are separate from record‑keeping duties and other legal obligations.
Reporting Changes in Sponsored Workers' Circumstances
What Must Be Reported
Employers must report changes to a sponsored worker's employment or immigration situation that could affect their permission to be in the UK or the validity of their sponsorship. Commonly reportable events include:
- Worker not starting work on the expected date listed on the Certificate of Sponsorship (CoS).
- Termination of employment, whether through resignation, dismissal or mutual agreement.
- Extended unauthorised absence from work (typically more than 10 consecutive working days without permission).
- Significant changes to duties or job role, such as a change in job title, core duties or working location.
- Changes in salary where a reduction occurs (pay increases usually do not require reporting unless they affect sponsor duties).
- Periods of unpaid or reduced‑pay leave exceeding four weeks in a calendar year.
- Worker transfers under TUPE or other scenarios where the sponsored duties are moving to a different sponsor.
- Suspected visa conditions breaches by the sponsored worker.
- Visa curtailment or withdrawal by UKVI.
Timeframe for Reporting Worker Events
Unless otherwise stated, changes affecting sponsored workers must be reported within 10 working days of the relevant event occurring. Employers should calculate days carefully and ensure internal processes for identifying reportable events are robust.
Reporting Changes to the Sponsoring Organisation
Reportable Business Changes
Employers must also report significant changes in the organisation that holds the sponsor licence. These include:
- Changes to the company's name or registered address.
- Mergers, takeovers or acquisitions.
- Business restructuring or insolvency.
- Changes in ownership or control.
- Appointment or replacement of key personnel (such as the Authorising Officer, Key Contact or Level 1/Level 2 users of the SMS).
- Substantial change to the nature of the business.
Timeframe for Reporting Organisational Events
Changes affecting the sponsoring organisation must be reported within 20 working days of the event occurring unless the guidance specifies a different timeframe. This allows UKVI to update records and verify ongoing compliance.
How Reporting Is Done
All reporting under sponsor duties is carried out through the Sponsor Management System (SMS). SMS access is provisioned to designated personnel (Level 1 and Level 2 users) within the sponsoring organisation. UKVI expects that employers use the SMS in a timely and accurate manner to submit reports of relevant changes.
For organisations that no longer have SMS access (for example after key personnel have left), certain changes can be reported using specified Home Office forms or direct communication channels where appropriate.
Why Timely Reporting Matters
Compliance and Enforcement Risks
Timely and accurate reporting is a condition of holding a sponsor licence. If employers fail to report required changes within the applicable timeframes, UKVI may regard this as a breach of sponsor duties. Under the guidance:
- UKVI can downgrade the licence, reducing Certificate of Sponsorship allocations.
- The licence can be suspended while an investigation is underway.
- In serious cases, the licence can be revoked, ending the employer's ability to sponsor overseas workers.
Impacts on Sponsored Workers
Failure to report worker changes can adversely affect sponsored workers' immigration status. For example, if a worker stops employment but the employer does not report this, the worker's visa status may be misaligned with the actual circumstances, potentially affecting their right to remain or work.
Record Keeping and Evidence
Employers must support reports with accurate records and documentation and retain evidence of communications and events. This helps verify compliance during audits or compliance visits by UKVI.
Practical Steps for Compliance
Establish Clear Internal Processes
Employers should implement HR and compliance processes to monitor employees' status, attendance, absences and changes in work duties. Automated reminders and audit trails can help ensure reports are submitted on time.
Train Relevant Personnel
Key personnel involved in sponsorship duties (Authorising Officer, Key Contact and SMS users) should understand reporting obligations and time limits. Regular training reduces the risk of missed or inaccurate reports.
Monitor Worker and Business Events
Regular reviews of employee records and business changes help identify reportable events quickly. This is particularly important for remote/hybrid working changes, evolving job roles, and organisational restructuring.
Use Reliable Systems
Maintaining integrated HR systems with alerts for changes in employment status, salary adjustments or absences can provide early warnings for reporting duties.
Common Questions and Clarifications
Is every change reportable?
No. Routine pay increases or minor internal restructuring that does not affect sponsorship, such as adding a small remote working pattern that does not alter substantive duties, may not require reporting. However, significant changes to duties, location or salary often do. When in doubt, check the Workers and Temporary Workers guidance.
What happens if a report is submitted late?
Late reporting is treated as non‑compliance. UKVI's enforcement action can vary from warnings to licence suspension or revocation, depending on the severity and pattern of breaches.
Does UKVI check reports?
Yes. UKVI conducts compliance audits, site visits and reviews of SMS data to ensure sponsors are meeting their reporting and other duties. Employers should be ready to provide supporting evidence when requested.
Key Takeaways
Reporting duties are a central part of a sponsor's legal obligations in the UK work visa system. Employers must report certain changes affecting sponsored workers (such as absences, job role changes, salary reductions or employment termination) within 10 working days, and changes affecting the organisation (such as ownership, address or key personnel) within 20 working days. Reports are submitted via the Sponsor Management System (SMS), and accurate record keeping supports compliance. Employers should establish internal systems, train responsible staff, and monitor events proactively to meet these duties and avoid sanctions. Understanding the scope and timeframes of reporting obligations helps sponsors maintain their licences and support sponsored workers effectively.
