Recruiting skilled professionals from overseas has become an essential strategy for UK businesses facing persistent talent shortages. Whether you operate in technology, healthcare, engineering, finance, or another sector requiring specialist expertise, obtaining a Skilled Worker sponsor licence is the first step towards accessing the global talent pool.
Key points
- A Skilled Worker sponsor licence is mandatory if a UK employer wants to sponsor an eligible worker under the Skilled Worker route.
- The employer must show that it is genuine, lawfully operating, compliance-ready, and able to offer a real eligible role.
- Skilled Worker roles must usually meet the current skill and salary rules, including occupation code and going-rate requirements.
- Sponsors must pay their own licence-related costs and should not pass prohibited sponsorship costs to the worker.
- Once approved, the licence creates ongoing reporting, record-keeping and monitoring duties that need active management.
Table of contents
- What is a Skilled Worker sponsor licence?
- Who needs a Skilled Worker sponsor licence?
- Core eligibility requirements
- What documents are usually needed?
- How the application process works
- Defined and undefined Certificates of Sponsorship
- Sponsor licence fees and costs
- Sponsor duties after approval
- Common reasons for sponsor licence refusal
- A-Rating vs B-Rating
- Why choose Sterling Law?
- FAQ
What is a Skilled Worker sponsor licence?
A Skilled Worker sponsor licence is permission granted to the employer, not to the worker. Once the licence is in place, the employer can access the sponsorship system and assign Certificates of Sponsorship for eligible Skilled Worker roles. The worker then relies on that certificate when applying for permission to come to, stay in, or switch into the Skilled Worker route.
A business may be perfectly legitimate and still fail its application if it cannot show that it has proper HR processes, suitable key personnel, and a genuine role that meets the route requirements. Equally, having a sponsor licence does not mean every proposed hire will qualify. The specific role must still meet the immigration rules, including the correct occupation code, appropriate salary level, and the wider visa requirements that apply to the worker.
Who needs a Skilled Worker sponsor licence?
A UK employer normally needs this sponsor licence if it wants to recruit a worker who requires sponsorship under the Skilled Worker route. This applies across sectors and business sizes. It may be relevant to a growing start-up, a professional services firm, a tech company, a healthcare provider, an engineering business, or a hospitality group. The key question is not the size of the employer. It is whether the worker needs sponsorship and whether the job qualifies for the route.
The Skilled Worker route remains one of the main sponsored work routes in the UK, but it has become stricter in important areas. Since 2025, the role usually needs to be at graduate skill level, which means RQF level 6, unless it falls within a permitted exception such as certain jobs on the Immigration Salary List, the Temporary Shortage List, or a relevant transitional provision. That change makes role selection and occupation coding more important than before.
Core eligibility requirements
Genuine organisation operating lawfully in the UK
The employer must be a real organisation with a lawful operating presence in the UK. In most cases, the application must be supported by documentary evidence that shows the business exists, is trading or operating, and is properly structured for the route it is applying under. Supporting evidence is central to the application, and most applicants are expected to provide a minimum set of documents, with more required in some cases depending on the business type and circumstances.
Where the business operates in a regulated sector, it may also need to show that it holds the correct registrations or licences. This is particularly important where sector-specific approval is part of lawful trading. A company that cannot show a proper UK presence or the right evidence base is unlikely to secure a licence.
A genuine Skilled Worker role
For a Skilled Worker sponsor licence, it is not enough simply to say that the business wants to hire internationally. The organisation must be able to offer employment that meets the route requirements. That includes a role which meets the relevant skill and salary rules, is genuine, complies with minimum wage and working time law, and does not amount to hiring the worker out to a third party to undertake an ongoing or routine role.
For employers planning future hires, the current salary rules are a major part of the analysis. The usual rule is that the worker must be paid at least £41,700 per year or the going rate for the occupation, whichever is higher. There are lower thresholds in some cases, including certain roles on the Immigration Salary List and some tradeable-points situations such as new entrant cases, but those exceptions still require careful checking against the occupation code and the specific route rules.
A practical point often missed by employers is that the licence decision and the later visa decision are linked by the same role description. If the job title, duties, salary, hours or reporting line are vague or inconsistent, that can create problems at both stages. A clear internal role analysis before the application is usually far more effective than trying to fix issues later. This is one of the areas where legal review can reduce risk.
Suitable key personnel and reliable internal systems
The application must include key personnel to manage the licence. The main roles are the Authorising Officer, Key Contact and Level 1 User. The Authorising Officer is the senior person responsible for the organisation’s sponsorship compliance. The Level 1 User handles day-to-day activity in the Sponsorship Management System. A Level 2 User can be added later, but not at the start instead of the required core roles.
These people must meet eligibility requirements. In general, they must be based in the UK for the period of the role, have a valid National Insurance number unless exempt, and normally come from within the organisation, subject to limited exceptions. The organisation must also have an eligible Authorising Officer and Level 1 User in place throughout the life of the licence. If it does not, the licence can be revoked.
The Home Office also expects the sponsor to have HR and recruitment systems capable of meeting sponsor duties. In simple terms, the business must be able to keep required records, monitor sponsored workers, track contact details and attendance, and report relevant changes within the required deadlines. Weak systems are one of the main reasons why sponsor licence applications fail or later fall into difficulty.
Suitability and compliance history
The business and the people involved in its day-to-day running will be assessed for suitability. Relevant criminal convictions, previous non-compliance, poor immigration history, or other reliability concerns can affect the outcome. The application is therefore not just about paperwork. It is also about whether the organisation appears trustworthy and capable of meeting its duties on an ongoing basis.
What documents are usually needed?
The supporting evidence depends on the type of organisation, but it normally includes corporate, financial and structural material showing that the business is real and active. Skilled Worker applications usually require more than a bare minimum because the employer also needs to explain the route-specific business need and the nature of the intended role or roles.
Common examples include:
- business bank statements
- Companies House or HMRC evidence
- proof of sector registration or licensing where relevant
- a hierarchy chart
- vacancy or role details
- information about hours, pay, duties and the proposed occupation code
Where the documents are not in English or Welsh, certified translations are required. The submission sheet and supporting documents must usually be sent within five working days of the online application. Missing that deadline can put the application at risk.
How the application process works
In practice, employers usually move through the following stages.
1. Check the business and the role
Before starting the form, the employer should check whether the company is ready for sponsorship and whether the intended role is genuinely eligible. This includes reviewing the occupation code, salary, reporting line, working hours and the business case for sponsorship. For Skilled Worker cases, this stage matters because the licence is route-specific and the role must fit the route.
2. Appoint key personnel
The employer must identify the right internal people for the Authorising Officer, Key Contact and Level 1 User roles. These appointments are not just technical entries on a form. They show who will control compliance if the licence is granted.
3. Prepare the document pack
A good application usually includes both the required formal evidence and a coherent explanation of the organisation and its sponsorship need. This is particularly useful where the structure is complex, the business is relatively new, or the planned roles are specialised.
4. Submit the online application and fee
The employer applies online and pays the relevant sponsor licence fee. If it already holds a sponsor licence for another route, it may be possible to add the Skilled Worker route to the existing licence rather than starting from nothing.
5. Send the supporting evidence
The submission sheet and evidence must usually be emailed shortly after the application. Files must be in the correct format and of readable quality. If the evidence is poor, incomplete or late, the application may be refused or rejected.
6. Wait for a decision and possible compliance checks
Most applications are decided in less than eight weeks, although the authorities may need to inspect the business. A faster service may be available for an additional fee, but it is limited and does not guarantee approval. Compliance visits can be pre-licence or post-licence and may be announced or unannounced.
Defined and undefined Certificates of Sponsorship
| Type of CoS | When it is used |
Key point |
| Defined CoS | Where the worker will apply from outside the UK | Must be applied for before assignment |
| Undefined CoS | Where the worker will apply from inside the UK | Assigned from the sponsor’s annual allocation |
If the worker will apply for entry clearance from outside the UK, the sponsor must first apply for a defined CoS. If the worker will apply from within the UK, the sponsor uses an undefined CoS from its annual allocation.
Sponsor licence fees and costs
A Skilled Worker sponsor licence involves more than one fee. Employers should budget not only for the application itself, but also for the cost of assigning sponsorship and, where relevant, the Immigration Skills Charge.
Sponsor licence application fees
|
Organisation Type |
Worker Licence Fee |
| Small or charitable sponsors | £611 |
| Medium or large sponsors | £1,682 |
| Temporary Worker licence (all sizes) | £611 |
| Adding Worker licence to existing Temporary Worker licence (small/charitable) | Free |
| Adding Worker licence to existing Temporary Worker licence (medium/large) | £1,005 |
Certificate of Sponsorship (CoS) fee
Each sponsored worker requires a Certificate of Sponsorship. The current fee is £525 per certificate.
Immigration Skills Charge
This charge applies when sponsoring Skilled Workers and is payable upfront when assigning a CoS.
|
Organisation Type |
First 12 Months |
Each Additional 6 Months |
| Small or charitable sponsors | £480 | £240 |
| Medium or large sponsors | £1,320 | £660 |
For example, sponsoring a worker for five years would cost small sponsors £2,400 in Immigration Skills Charge alone, while medium or large sponsors would pay £6,600.
Additional costs
- priority processing service: £750 (for 10-working-day decision target)
- visa application fees: £769-£1,872 per worker (paid by the worker)
- Immigration Health Surcharge: £1,035 per year per worker (paid by the worker)
Small sponsor classification
Your organisation qualifies as a small sponsor if it meets at least two of the following criteria:
- annual turnover not exceeding £10.2 million
- total assets not exceeding £5.1 million
- fifty employees or fewer
Registered charities automatically qualify for small sponsor rates.
From January 2025, employers are strictly prohibited from recouping sponsorship costs from sponsored workers. This includes the licence fee, CoS fee, Immigration Skills Charge, and any associated administrative costs. Attempting to pass these costs to workers can result in immediate licence revocation.
Sponsor duties after approval
A licence grant is the start of the compliance phase, not the end of the process. Once the licence is approved, the sponsor must maintain proper records, monitor sponsored workers, keep contact information current, and report certain events and business changes within the required deadlines. Compliance failures can lead to downgrading, suspension or revocation.
Typical duties include:
- keeping copies of right to work and sponsorship records
- tracking attendance and unauthorised absence
- recording up-to-date contact details
- reporting relevant changes in worker circumstances
- reporting major business changes
- keeping the correct key personnel in place
Sponsor licences no longer need to be renewed every four years in most cases. Since 6 April 2024, the general renewal requirement has been removed, so most licences remain valid until they are surrendered or revoked.
Common reasons for sponsor licence refusal
Understanding why applications fail can help you avoid common pitfalls:
- incomplete or incorrect supporting documents
- inability to demonstrate genuine business activity
- key personnel with unsuitable backgrounds
- inadequate HR systems for compliance
- roles inconsistent with the organisation’s business activities
- previous compliance failures or enforcement action
- submitting the application before being fully prepared
- paying incorrect application fees
A-Rating vs B-Rating
When granted, your sponsor licence will receive either an A-rating or a B-rating.
A-Rating: Your organisation meets all compliance standards and can assign Certificates of Sponsorship without restriction.
B-Rating: Your organisation has compliance failings that require remediation. You cannot assign new CoS until you complete an action plan and are restored to an A-rating.
Maintaining an A-rating requires continuous attention to compliance duties. Regular internal audits and proactive management of sponsor responsibilities help prevent ratings downgrades.
Why choose Sterling Law?
Navigating the sponsor licence application process requires detailed understanding of Home Office requirements, meticulous preparation of supporting evidence, and robust compliance systems. At Sterling Law, we combine deep immigration expertise with practical business understanding to guide employers through every stage of the sponsorship journey.
Our sponsor licence services
- Initial eligibility assessment. We conduct a thorough review of your organisation’s eligibility and suitability, identifying any potential issues before you invest in an application.
- Document preparation and review. Our specialists ensure your supporting evidence meets Home Office standards, reducing the risk of delays or refusals due to documentary deficiencies.
- Application management. We prepare and submit your application, managing communications with UKVI and responding promptly to any information requests.
- Compliance framework development. We help establish HR systems and processes that meet sponsor duties, preparing your organisation for ongoing compliance requirements.
- Key personnel training. We provide training for Authorising Officers, Key Contacts, and Level 1 Users, ensuring everyone understands their responsibilities.
- Compliance audits and support. We offer regular compliance reviews to maintain your licence and protect against enforcement action.
- Certificate of sponsorship guidance. We advise on assigning CoS correctly, including salary calculations, occupation coding, and meeting visa requirements.
Sterling Law’s team combines solicitors, immigration lawyers, and business advisors who understand both the legal requirements and the commercial realities facing UK employers. We take a proactive approach, helping you identify risks before they become problems and ensuring your systems align with the latest Home Office expectations. With over fifteen years of experience, we have helped hundreds of businesses secure and maintain their sponsor licences.
If your business relies on international talent, now is the time to strengthen your sponsorship strategy. Contact Sterling Law today to discuss your sponsor licence requirements.
Frequently Asked Questions
What is a Skilled Worker sponsor licence?
It is the permission a UK employer needs in order to sponsor a worker under the Skilled Worker route and issue a Certificate of Sponsorship for an eligible role.
How long does a Skilled Worker sponsor licence application take?
Most applications are dealt with in less than eight weeks, although a compliance visit may extend the process. A priority service may be available for an additional £750.
How much does a Skilled Worker sponsor licence cost?
The Worker sponsor licence fee is £611 for a small or charitable sponsor and £1,682 for a medium or large sponsor.
Does a Skilled Worker sponsor licence need to be renewed?
In most cases, no. The general four-year renewal requirement was removed, and most licences now stay valid until surrendered or revoked.
What salary does a Skilled Worker role usually need to meet?
The usual rule is £41,700 per year or the going rate for the occupation, whichever is higher, although lower thresholds can apply in certain cases.
What is the difference between a defined and an undefined CoS?
A defined CoS is used where the worker applies from outside the UK. An undefined CoS is used where the worker applies from inside the UK and is drawn from the sponsor’s annual allocation.
Can the employer recover sponsor licence costs from the worker?
There are important restrictions. Where the rules make the sponsor responsible for the licence fee, related administrative costs or other prohibited sponsorship costs, trying to recover them from the worker can lead to serious compliance action, including revocation.
What happens if the sponsor does not comply with its duties?
The licence can be downgraded, suspended or revoked. That can affect the employer’s ability to sponsor new workers and may also affect existing sponsored staff.