Navigating UK Immigration: Your Essential Guide to Visa Sponsorship & Compliance

UK visa sponsorship is the legal mechanism that allows licensed British employers to recruit overseas talent by vouching for their employment, skill level, and salary. To secure a visa under sponsored economic routes such as the Skilled Worker or Global Business Mobility routes, an individual must obtain a Certificate of Sponsorship from an organisation holding an active sponsor licence approved by the Home Office. Achieving and retaining this permission requires both the sponsoring business and the migrant worker to satisfy strict eligibility thresholds, maintain rigorous records, and adhere to mandatory reporting obligations.

The UK Sponsorship System: How Employer and Worker Permissions Connect

The UK points-based immigration system operates on a dual-permission structure. A foreign national cannot independently apply for a sponsored work visa without a corresponding institutional sponsor, and a UK business cannot employ non-settled workers without holding a valid sponsor licence issued by UK Visas and Immigration (UKVI).

The process follows a sequential chain:

1. The UK employer applies for and secures a Sponsor Licence from the Home Office.
2. The employer requests and assigns an electronic Certificate of Sponsorship (CoS) to an eligible individual for a specific, qualifying vacancy.
3. The individual worker uses that CoS reference number to apply for their personal entry clearance or permission to stay.
4. Both parties maintain continuous compliance with Home Office duties throughout the period of employment.

If any link in this chain breaks, the right to work is invalidated. If an employer loses their licence, the worker's leave is normally curtailed to 60 days. If the worker breaches their visa conditions, the employer risks civil penalties, licence suspension, or revocation.

Stage 1: Obtaining and Maintaining a UK Sponsor Licence

Before recruiting overseas personnel, a business must satisfy UKVI that it is a genuine organisation operating lawfully in the UK, that it poses no threat to immigration control, and that it has the human resources infrastructure to manage its sponsorship obligations.

Business Eligibility and Suitability Criteria

To be eligible for a sponsor licence, the entity must establish that:

• It is a genuine organisation operating lawfully in the UK, demonstrated through mandatory corporate documentation set out in Appendix A of the sponsor guidance.
• It has an active UK trading presence and a genuine need for the requested licence categories.
• Its key personnel and senior management are honest, dependable, and have no unspent criminal convictions for immigration offences or certain financial crimes.
• It possesses robust HR systems capable of monitoring sponsored staff, tracking visa expiry dates, logging absences, and retaining right to work records.

UKVI evaluates suitability through background checks and, in many cases, pre-licence compliance visits conducted by Home Office compliance officers.

Appointing Key Personnel: Roles and Responsibilities

The organisation must nominate specific individuals to manage the sponsorship process through the online Sponsor Management System (SMS). These roles can be held by the same person or divided among different employees, but all must meet UKVI integrity requirements:

• Authorising Officer (AO): The most senior paid employee or officeholder responsible for the recruitment of overseas staff and overall licence compliance. The AO carries ultimate legal responsibility for the actions of staff using the SMS.
• Key Contact: The primary liaison between UKVI and the business. This is often the Authorising Officer, an internal HR manager, or a qualified UK legal representative.
• Level 1 User: The administrative user conducting daily operations within the SMS, including requesting and assigning Certificates of Sponsorship, reporting changes of circumstance, and renewing allocations. At least one Level 1 User must be a settled employee, director, or partner within the business at all times.
• Level 2 User: An optional, lower-access SMS operator who can assign CoS and report basic changes but cannot perform wider administrative or structural tasks.

Key personnel must normally be based in the UK and be direct employees, directors, or statutory officeholders, except where specific exemptions allow third-party legal representatives to act as Level 1 or Key Contact personnel.

The Sponsor Licence Application Process

An employer must complete an online application form, nominate their key personnel, select the relevant routes (such as Skilled Worker or Global Business Mobility), and pay the licence application fee. Within five working days of submitting the form, the organisation must email the signed submission sheet along with the required supporting evidence from Appendix A.

Documentary evidence typically includes:

• Proof of corporate bank account facilities with a regulated UK financial institution.
• Proof of registration with HM Revenue and Customs (HMRC) as an employer for PAYE and National Insurance.
• Current business premises lease, freehold title, or commercial agreement.
• Audited annual accounts or a certified letter from an ACCA/ICAEW-registered accountant confirming trading status.
• Evidence of compulsory employer liability insurance cover of at least 5 million GBP where applicable.
• Registration with relevant statutory or professional regulatory bodies if the industry requires it.

Standard processing takes approximately eight weeks. The Home Office offers a pre-licence priority service for an additional fee of 500 GBP, which can expedite processing to 10 working days, subject to daily allocation limits.

Sponsor Rating and Licence Management

Successful applicants are awarded an 'A-rating'. This confirms that the business has demonstrated adequate HR systems and credibility. The Home Office previously required sponsors to renew their licence every four years; however, under updated guidance, sponsor licences that were active on or extended after 6 April 2024 no longer require quadrennial renewal and do not expire unless revoked or surrendered.

If UKVI conducts a compliance audit and finds deficiencies in HR processes or minor reporting breaches, it may downgrade the organisation to a 'B-rating'. In this scenario, the sponsor cannot issue new Certificates of Sponsorship to new hires and must pay for and comply with a formal Home Office Action Plan to rectify breaches within a set timeframe. Failure to improve leads directly to licence revocation.

Stage 2: Managing Certificates of Sponsorship (CoS)

A Certificate of Sponsorship (CoS) is not a paper document. It is a unique electronic reference number generated on the SMS that confirms the details of the job, the salary offered, and the personal identity of the migrant worker.

Defined vs Undefined Certificates of Sponsorship

Licence holders must understand the strict procedural distinction between Defined and Undefined Certificates of Sponsorship:

• Defined CoS: Required for individuals who are currently outside the UK and applying for entry clearance under the Skilled Worker route. Sponsors must submit a specific, individual application through the SMS for each Defined CoS, detailing the role, Standard Occupational Classification (SOC) code, and exact salary. The Home Office assesses each Defined CoS request individually before granting it, usually within one to two working days, though requests may be delayed if caseworkers ask for additional information.
• Undefined CoS: Required for workers applying for permission to stay from within the UK (such as those extending their stay or switching from another eligible visa) and for all workers under non-Skilled Worker routes, including Global Business Mobility. Sponsors request an annual allocation of Undefined CoS via the SMS, which can then be assigned directly without case-by-case pre-approval.

Assigning an Undefined CoS to an overseas applicant when a Defined CoS was legally required is a critical breach that results in visa refusal and potential action against the sponsor licence.

Standard Occupational Classification (SOC) Codes and Skill Levels

Every sponsored role must match an eligible four-digit Standard Occupational Classification (SOC) code listed in Appendix Skilled Occupations. Under the rules implemented on 4 April 2024, the Home Office updated the occupational classification framework from SOC 2010 to SOC 2020. The standard skill threshold for the Skilled Worker route is set at Regulated Qualifications Framework (RQF) Level 3 (equivalent to A-levels), though individual routes like the GBM Senior or Specialist Worker route require RQF Level 6 (degree level).

The sponsor must identify the SOC code that most accurately matches the actual day-to-day duties of the role, rather than choosing a code merely because its baseline salary threshold is easier to satisfy.

Assigning a CoS: Costs, Levies, and Requirements

When assigning a CoS, the employer must pay the standard CoS assignment fee and, where applicable, the Immigration Skills Charge (ISC).

An organisation qualifies as a small sponsor if it meets at least two of the following criteria under the Companies Act 2006: an annual turnover of not more than 10.2 million GBP, a balance sheet total of not more than 5.1 million GBP, or an average of not more than 50 employees. If it exceeds these thresholds, it must pay the medium or large sponsor rates.

The Immigration Skills Charge must be paid upfront for the entire length of the sponsorship period. Key exemptions from the ISC include:

• Workers sponsored under specific SOC codes (such as chemical scientists, biological scientists, and higher education teaching professionals).
• Students switching to the Skilled Worker route within the UK.
• Workers sponsored for less than six months.

If a sponsored worker leaves employment early, the sponsor may receive a partial, pro-rata refund of the ISC from the Home Office, calculated in whole six-month blocks.

Stage 3: The Skilled Worker Visa Application Process

Once the CoS is assigned, the individual candidate has three months to lodge their visa application before the CoS expires. The candidate must satisfy points-based requirements covering their job offer, skill level, financial maintenance, and English language ability.

Sponsor assigns CoS via SMS 
       │
       ▼
Worker completes online visa application within 3 months
       │
       ▼
Pay Immigration Health Surcharge (IHS: £1,035/year) & Application Fee
       │
       ▼
Verify identity (ID Check App or attend Biometric Appointment)
       │
       ▼
Home Office assesses genuine vacancy, salary thresholds & suitability
       │
       ├─► Meets all rules: Visa granted (Digital status / BRP)
       └─► Fails criteria: Application refused (Administrative Review option)

General and Route-Specific Eligibility Requirements

To be awarded a Skilled Worker visa, the candidate must score 70 points across mandatory and tradeable criteria:

• Mandatory Points (50 points total):
  • 20 points for an offer of a job by an approved sponsor (valid CoS).
  • 20 points for a job at an appropriate skill level (RQF Level 3 or higher).
  • 10 points for English language proficiency at level B1 on the Common European Framework of Reference (CEFR) in reading, writing, speaking, and understanding.
• Tradeable Points (20 points total):
  • Salary meeting the relevant general threshold and occupation-specific going rate.

English language can be proven by being a national of a majority English-speaking country, passing an approved Secure English Language Test (SELT) at level B1, holding an academic degree taught in English certified by Ecctis, or having gained an eligible UK qualification.

Applicants must also demonstrate financial maintenance by holding at least 1,270 GBP in personal funds for 28 consecutive days, unless the A-rated sponsor certifies maintenance on the CoS ('sponsor certifies maintenance' box ticked).

Minimum Salary Thresholds and Going Rates

Following the immigration rule changes on 4 April 2024, salary thresholds for the standard Skilled Worker route increased significantly. An applicant must be paid whichever is highest among:

• The general baseline salary threshold of 38,700 GBP per year.
• The occupation-specific going rate for the relevant SOC 2020 code, set at the 50th percentile (median) of full-time earnings for that occupation.
• An hourly rate of at least 15.88 GBP per hour.

Tradeable points allow for lower salary baselines in limited, defined circumstances:

• PhD in a relevant subject: Salary must be at least 34,830 GBP, 90 percent of the occupation going rate, and at least 15.88 GBP per hour.
• PhD in a STEM subject: Salary must be at least 30,960 GBP, 80 percent of the occupation going rate, and at least 15.88 GBP per hour.
• Job on the Immigration Salary List (ISL): Salary must be at least 30,960 GBP, 100 percent of the occupation going rate, and at least 15.88 GBP per hour.
• New Entrant to the labour market: Salary must be at least 30,960 GBP, 70 percent of the occupation going rate, and at least 15.88 GBP per hour. New entrant status applies to individuals under age 26 on the date of application, those switching from Student or Graduate routes, or those working toward recognised professional qualifications.

Salaries must be calculated on standard working hours (up to 48 hours per week). If an employee works more hours to reach the threshold, the salary is pro-rated against the baseline 37.5-hour week equivalent, which can inadvertently cause the application to fail the hourly rate requirement.

Step-by-Step Visa Application Workflow

1. Receive CoS: Obtain the unique reference number from the employer.
2. Complete Form: Fill out the online application via GOV.UK.
3. Pay Mandatory Fees: Pay the visa application fee and the Immigration Health Surcharge (IHS). The IHS is set at 1,035 GBP per year for adults and 776 GBP per year for children under 18, students, and Youth Mobility applicants.
4. Identity Verification: Use the UK Immigration: ID Check smartphone app to scan a biometric passport, or book an in-person appointment at a Visa Application Centre (VAC) or UK Visa and Citizenship Application Services (UKVCAS) service point.
5. Document Upload: Provide supporting evidence including the passport, TB clearance certificate (if resident in an applicable country), and criminal record certificates (for education, health, and social care roles).
6. Wait for Processing: Standard processing is three weeks for applications submitted outside the UK and eight weeks for applications inside the UK. Priority processing reduces this to five working days, and super-priority to the next working day, where available.

Comparing Key Sponsored Work Routes

Not all corporate recruitment relies on the standard Skilled Worker route. Sponsors often look to alternative routes depending on company hierarchy, training structures, and business models.

| Feature | Skilled Worker | GBM: Senior or Specialist Worker | Scale-up Worker | GBM: UK Expansion Worker | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Primary Purpose | Long-term recruitment for qualifying UK roles | Intra-company transfer of established staff | Fast-growing UK firms recruiting high-skilled talent | Establishing a new UK trading footprint for overseas parent entity | | Minimum Skill Level | RQF Level 3 (A-level equivalent) | RQF Level 6 (Degree level) | RQF Level 6 (Degree level) | RQF Level 6 (Degree level) | | General Salary Baseline | 38,700 GBP | 48,500 GBP | 36,300 GBP | 48,500 GBP | | English Language Requirement | Yes (Level B1 CEFR) | No | Yes (Level B1 CEFR) | No | | Direct Path to Settlement (ILR) | Yes (after 5 years) | No | Yes (after 5 years) | No | | Sponsor Licence Required? | Yes | Yes | Yes (initial 6 months only) | Yes | | Dependants Allowed? | Yes (subject to care worker restrictions) | Yes | Yes | Yes |

Ongoing Sponsor Duties and Home Office Compliance Audits

Sponsoring an overseas worker creates ongoing administrative obligations. The Home Office relies on sponsors to act as gatekeepers to the UK immigration system. A failure to execute these duties leads to civil enforcement action, downgrading, or immediate licence revocation.

Reporting Duties and Strict Timelines

All reports must be submitted via the SMS within strict legal deadlines:

• Within 10 working days: The sponsor must report if a sponsored worker fails to start work on their agreed start date; is absent from work for more than 10 consecutive working days without permission; has their employment terminated (resignation or dismissal); stops being sponsored for any reason; or experiences a significant salary decrease or change in core job duties.
• Within 20 working days: The sponsor must report broad organizational changes, such as a change in company name, registered address, ownership, takeovers, mergers, or changes to appointed key personnel.

Failure to report an unapproved absence or a significant job change within these timelines is a primary trigger for Home Office enforcement investigations.

Record-Keeping and Appendix D Requirements

Under Appendix D of the sponsor guidance, employers must retain specific records for every sponsored employee, either physically or electronically, throughout their employment and until at least one year has passed since sponsorship ended:

• Copies of the worker's current passport biometric page, stamps, and UK digital immigration status checks.
• Up-to-date contact details, including residential addresses, telephone numbers, and personal email addresses (with an audit trail showing these are updated regularly).
• Accurate records of the worker's attendance, sickness absences, and annual leave.
• Evidence of the worker's professional qualifications, registrations, or accreditations required for the role.
• Detailed payroll data, including payslips and direct bank transfer records demonstrating that the worker is paid the exact salary stated on the CoS, into their personal account, without unauthorised deductions.
• Detailed recruitment records showing how the candidate was identified, along with job descriptions, interview notes, and vacancy advertisements, even though the formal Resident Labour Market Test is no longer a standalone requirement.

Home Office Compliance Visits and Sanctions

UKVI compliance officers can inspect sponsor premises at any time, with or without prior notice. Officers are empowered to interview key personnel, inspect HR software, inspect right to work records, and interview sponsored workers privately.

If non-compliance is identified, UKVI can take three distinct courses of action:

• Downgrade to B-Rating: Applied for administrative failings that do not present a severe risk to immigration control. The sponsor must pay a fee of 1,476 GBP for a formal 3-month action plan.
• Licence Suspension: Imposed when significant breaches occur, such as paying workers below the mandated rate, failing to track attendance, or employing illegal workers. The sponsor is given 20 working days to respond to an initial suspension letter.
• Licence Revocation: The licence is cancelled. All existing sponsored workers have their visas curtailed to 60 days, and the business faces a mandatory cooling-off period of at least 12 months before it can reapply.

Evidence and Documentation: What Caseworkers and Compliance Officers Scrutinise

Both licence applications and individual visa applications are subjected to documentary scrutiny. Understanding the perspective of a UKVI caseworker helps applicants avoid administrative pitfalls.

Sponsor Document Check (Appendix A)        Visa Applicant Check (Appendix Skilled Worker)
├─ HMRC Registration / PAYE               ├─ Valid Passport & CoS Reference Number
├─ Corporate Bank Statements               ├─ English B1 Certificate / Ecctis Validation
├─ Commercial Lease / Freehold             ├─ TB Certificate & Criminal Record (if applicable)
└─ Accounts / Insurance Cover              └─ 28-day Bank Funds (if uncertified)
                       │                                       │
                       └───────────────────┬───────────────────┘
                                           ▼
                              Caseworker Evaluation
                              ├─ Genuine Vacancy Assessment
                              ├─ Salary Calculation (Going rate vs standard hours)
                              └─ Immigration History / General Grounds for Refusal

Documents Required for the Sponsor Licence Application

Caseworkers assess business legitimacy by matching evidence strictly against Appendix A. A submission must contain at least four valid documents from the approved lists, unless the organisation is a public body, listed on the London Stock Exchange, or otherwise exempted. Common evidence includes:

• A formal letter from a regulated corporate bank confirming the business account and active facility.
• Proof of VAT registration from HMRC.
• Most recent corporate tax return (CT600) and HMRC tax calculation notice.
• Proof of ownership or commercial lease of the business premises.
• Copy of the employer's liability insurance certificate showing at least 5 million GBP in cover.
• A detailed hierarchy chart detailing owner structure, staff headcounts, and where sponsored roles fit within the business.

All documents must be clear, unedited scans. If original documents are in a foreign language, certified official translations must be supplied.

Documents Required for Individual Visa Applications

For the worker's application, the caseworker examines personal suitability and credentials:

• Valid Passport: Must contain at least one blank page for entry clearance vignettes.
• CoS Reference: The alpha-numeric string issued by the sponsor.
• Proof of English: SELT pass certificate, Ecctis statement of comparability alongside foreign degree certificates, or a qualifying UK degree transcript.
• Tuberculosis Test: A medical certificate issued by an approved clinic for applicants living in listed countries for six months or more before applying.
• Criminal Record Certificate: Required from any country lived in for 12 months or more over the past 10 years, if applying under specific health, education, therapy, or social care SOC codes.

Caseworker Decision-Making Criteria and the Genuine Vacancy Test

Under paragraph SW 5.5 of the Immigration Rules, caseworkers must evaluate whether a role satisfies the Genuine Vacancy Test. Even if the paperwork is complete, an application will be refused if the caseworker believes:

• The role does not actually exist within the business.
• The job description has been exaggerated, altered, or fabricated to fit an eligible high-skill SOC code when the day-to-day duties are low-skilled.
• The applicant does not possess the genuine skills, experience, or qualifications necessary to carry out the stated duties.
• The employment terms represent an arrangement designed primarily to facilitate entry or stay rather than actual commercial work.

Caseworkers can request additional evidence, such as contracts, client work orders, or project briefs, or invite the applicant or the Authorising Officer to an interview to assess the genuine nature of the vacancy.

Common Mistakes and Refusal Triggers

Minor errors in the sponsorship process can have severe repercussions. Below are the most common technical triggers for licence suspensions and visa refusals.

Incorrect SOC Code Selection and Misalignment of Job Descriptions

Choosing a SOC code based solely on its salary requirements or its presence on the Immigration Salary List is a primary driver of refusals. Caseworkers cross-reference the detailed job description provided on the CoS against the Office for National Statistics (ONS) occupational index. If the tasks listed on the CoS reflect a lower-level occupation than the chosen code, the Home Office will refuse the application on the basis that the sponsor misclassified the role.

Underestimating Salary Requirements

Sponsors frequently run into issues when calculating pro-rata salaries across variable working hours. The Home Office sets a strict minimum hourly baseline alongside the annual threshold. If an employee is paid an annual salary of 39,000 GBP, but their contract stipulates a 48-hour working week, their effective hourly rate falls to approximately 15.62 GBP per hour. This falls below the mandatory 15.88 GBP per hour floor, resulting in an immediate visa refusal.

Failing to Pay the Correct Immigration Skills Charge

Classifying a company as a small sponsor when its corporate structure places it within medium or large thresholds means the business will underpay the ISC. If the incorrect charge is paid, UKVI issues a payment deadline. If the balance is not settled within the mandated 10 working days, the visa application is rejected as invalid.

Right to Work Check Failures and Failure to Report Worker Absence

Employing an overseas worker before completing an online Home Office Right to Work check, or allowing a sponsored employee to continue working past their visa expiry date without an outstanding in-time application, creates civil penalty liability up to 45,000 GBP per illegal worker for a first breach, and up to 60,000 GBP for repeat breaches. Unreported non-attendance exceeding 10 consecutive working days is similarly one of the quickest routes to a licence audit and suspension.

Late Submissions and Administrative Gaps During Licence Updates

Failing to report the resignation of an Authorising Officer or Level 1 user within the 20-working-day window leaves the business in direct breach of its licence conditions. In extreme cases where an organisation has no active Level 1 user remaining on the SMS, it cannot assign Certificates of Sponsorship, renew allocations, or respond to Home Office communications, often resulting in licence suspension.

Edge Cases and Complex Scenarios

Applying rules cleanly to unique organizational or personal circumstances requires an understanding of specific immigration carve-outs and exceptions.

Dependants: Eligibility, Financial Requirements, and Work Rights

Partners and children under the age of 18 can generally join or remain with a sponsored worker as dependants, provided they demonstrate the relationship is genuine and subsisting, live together, and meet individual maintenance funds (285 GBP for a partner, 315 GBP for the first child, and 200 GBP for each additional child, held for 28 consecutive days).

However, key restrictions exist:

• Workers sponsored under SOC codes 6135 (Care workers) and 6136 (Senior care workers) are prohibited from bringing dependants to the UK unless they were already sponsored on the route prior to 11 March 2024 and maintained continuous permission.
• Dependants have full work rights in the UK, except for working as a professional sportsperson or sports coach, and cannot access public funds.

Continuous Residence and Permitted Absences for Settlement

Skilled Worker visa holders are eligible to apply for Indefinite Leave to Remain (ILR) after completing a continuous period of five years in the UK. Under Appendix Continuous Residence, the applicant must not have been absent from the UK for more than 180 days in any 12-month period throughout the five-year qualifying timeframe.

Absences for work, business travel, or annual leave count toward this 180-day cap unless covered by statutory exceptions (such as medical evacuation, natural disasters, or travel to assist with a national crisis). The employer must provide a formal letter supporting the ILR application, confirming that all absences were authorized and that the employee is still required for the job for the foreseeable future, paid at or above the relevant going rate for settlement.

Transitional Rules for Existing Visa Holders

Migrants who were granted permission as a Skilled Worker under the rules in place before 4 April 2024, and who have held continuous permission on the route since, benefit from grandfathered transitional arrangements when applying to extend their stay, change employment, or apply for settlement before 1 December 2030.

Under these transitional provisions:

• The baseline general salary threshold is set at 29,000 GBP rather than 38,700 GBP.
• The occupation-specific going rates are calculated based on the 25th percentile of earnings data from SOC 2010 codes (indexed to SOC 2020), rather than the 50th percentile (median) applied to post-April 2024 applicants.
• The minimum hourly floor is 11.90 GBP per hour instead of 15.88 GBP per hour.

Workers who switch sponsors are still protected by these transitional salary thresholds, provided they do not break their continuous permission on the Skilled Worker route.

In-Country Switching and Restrictions

Many individuals apply to switch into the Skilled Worker route from another UK visa category without leaving the country. However, specific limitations apply under immigration rules:

• Students: A student visa holder can only switch into the Skilled Worker route in-country if they have completed their course of study, or if their course was degree level or higher and the employment start date on the CoS is after the course completion date, or if they have completed at least 24 months toward a PhD.
• Graduate Route: Graduate visa holders can switch to the Skilled Worker route at any time during their permission, frequently qualifying for 'new entrant' salary rates for up to three years.
• Prohibited Switching Routes: Individuals in the UK as Visitors, Short-term Students, Seasonal Workers, or on Parent of a Child at School visas cannot switch into any sponsored work category in-country. They must leave the UK and submit an application for entry clearance from overseas.

Corporate Restructuring, Mergers, and TUPE Transfers

When a corporate restructuring occurs, such as a takeover, merger, demerger, or transfer of undertakings governed by the Transfer of Undertakings (Protection of Employment) Regulations 2006 (TUPE), the sponsor licence does not automatically transfer to the new corporate entity.

• If all sponsored staff move under TUPE: The receiving business must report the transfer on its SMS within 28 calendar days of the transfer taking place. If the receiving business does not have a sponsor licence, it must apply for a licence within 28 days of the transfer.
• If the old business ceases trading: The original sponsor licence must be formally surrendered via the SMS.
• CoS Updates: Sponsored workers do not need to submit fresh visa applications if their role, pay, and duties remain fundamentally unchanged under the TUPE transfer. However, their new employer must take over sponsorship on the SMS and link their profiles to the new licence.

Failure to report a TUPE transfer within 28 days leads to the cancellation of the workers' sponsorship and leaves the new entity liable for civil penalties for employing individuals without an appropriate, updated right to work.

Practical Next Steps for Employers and Applicants

Navigating the UK's sponsor licence and visa application system requires preparation, thorough document compilation, and strict adherence to administrative deadlines.

• For Employers: Review current right to work files and HR systems to ensure compliance with Appendix D. Evaluate upcoming international recruitment needs to request sufficient Undefined CoS allocations, and verify that any proposed roles satisfy current SOC 2020 skill and salary thresholds before assigning a CoS.
• For Prospective Applicants: Check that your prospective sponsor holds an active licence on the Home Office register. Gather mandatory eligibility evidence, including an eligible English language certificate and maintenance evidence, well before your planned application date.

Engaging regulated legal professionals provides clarity on complex eligibility points, ensures applications are correctly prepared against published guidance, and mitigates the risk of costly administrative refusals.

Reviewed by Wesbridge Associates team on 31 August 2026. We check our published guidance against GOV.UK and current Home Office rules.

Frequently asked questions

Common questions on this topic, answered by our advisers.

What is a Certificate of Sponsorship (CoS)?

How long does it take to get a UK visa after applying?

Can I switch from a visitor visa to a work visa in the UK?

What are the main requirements for a Skilled Worker Visa?

What is a Sponsor Licence and who needs one?

Are there any age limits for UK visas?

How can Wesbridge Associates help with my UK immigration application?