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.
Detailed guide to evidence of job offers for UK Skilled Worker visas, covering Certificates of Sponsorship, employer and role documentation, eligibility criteria, how the Home Office assesses offers, common issues and practical guidance for applicants and sponsors.
A core requirement for a UK Skilled Worker visa is evidence of a genuine job offer from an approved sponsor. Without clear proof of employment terms, including role, salary and sponsorship details, the Home Office is unable to assess whether the application meets the statutory criteria, leading to refusal. This article explains what evidence of a job offer is required, why it matters in the points‑based immigration system, how it intersects with legal eligibility criteria and common issues that can arise. All explanations reflect current guidance from UK Visas and Immigration (UKVI) and authoritative sources.
Legal Basis and Purpose of Job Offer Evidence
To qualify for a Skilled Worker visa, an applicant must demonstrate they have a job offer from a UK employer that holds a valid sponsor licence. This obligation stems from the Immigration Rules governing the Skilled Worker route, which form part of the UK's points‑based immigration system. Applicants must score at least 70 points, including 20 mandatory points for a valid job offer by an approved sponsor.
Proof of a genuine job offer enables UKVI to verify that the worker:
- Has an employment relationship with an employer approved to sponsor migrants.
- Will undertake a role at a qualifying skill level and salary rate.
- Will work under conditions that comply with UK employment and immigration law.
Without satisfactory evidence of the offer, UKVI cannot award the mandatory points needed for visa eligibility, and the application may be refused.
What Constitutes Evidence of a Job Offer
1. Certificate of Sponsorship (CoS) Reference
The principal piece of evidence for a Skilled Worker visa is the Certificate of Sponsorship (CoS) reference number.
- The CoS is an electronic record issued by the sponsoring employer, confirmed via the Sponsor Management System (SMS).
- The CoS reference must be included in the visa application; UKVI uses it to verify the job details, employer identity and sponsor licence status.
- Without a valid CoS reference, a Skilled Worker visa application cannot proceed because the system will not award the points for sponsorship.
UKVI's caseworker guidance states that if the applicant has not provided the CoS reference, they must explain why; if the sponsor has not assigned it, the application may be put on hold or refused.
2. Employer and Role Details
In addition to the CoS, applicants should be ready to provide:
- Employer name and sponsor licence number – these confirm the sponsor's approval status.
- Job title and occupation code – the four‑digit occupation code links the role to an eligible category under the Immigration Rules.
- Annual salary and working hours – to demonstrate that the minimum salary and going rate requirements are met for the job being offered.
- Employment contract or offer letter – a written contract or formal offer outlining key terms of employment can reinforce the legitimacy of the job offer and assist caseworkers in understanding duties and conditions.
Although UKVI does not routinely require applicants to upload the employment contract when applying, having this document available can help respond quickly to requests for further evidence during processing.
3. Job Eligibility Requirements
The job offer must be for a post that is eligible under the Skilled Worker route. This entails:
- The role must appear on relevant occupational lists and meet the applicable skill level and salary thresholds at the date the CoS is assigned.
- From 22 July 2025, most sponsored roles must meet an RQF level 6 threshold (roughly degree level) or qualify under recognised exceptions such as Temporary Shortage or specific Immigration Salary Lists.
- The job must be genuine and consistent with the description in the CoS; roles that are not credible or materially different from the CoS details risk refusal.
Job eligibility is tied directly to the points criteria: without a valid job offer that meets these requirements, UKVI will not award the mandatory sponsorship and skill level points, resulting in refusal.
How Home Office Assesses Job Offer Evidence
Verification of CoS and Sponsorship
The Home Office cross‑checks the CoS reference against its records of licensed sponsors. It verifies:
- That the sponsor licence is active and in good standing.
- That the specific CoS assigned to the applicant corresponds to the job details included in the visa application.
- That the job meets the required points criteria for skill level and sponsorship.
If UKVI cannot verify the CoS or finds inconsistencies between the application and the CoS, the caseworker may either request further evidence or refuse the application outright.
Genuineness of the Offer
UKVI caseworker guidance requires assessors to be satisfied that the applicant:
- Genuinely intends to undertake the role described in the CoS.
- Is capable of doing that role based on their background and qualifications.
- Will not undertake different employment from that specified in the CoS.
In assessing genuineness, UKVI may ask for additional evidence or interviews if there are concerns about discrepancies. Failure to provide requested evidence can lead to refusal.
Common Issues and Practical Risks
Mismatched or Missing CoS
If the CoS reference is omitted from the application or the sponsor has not properly assigned it, UKVI may treat the application as incomplete or invalid. In some cases, applications are placed on hold while waiting for a valid CoS, but prolonged delays or absence of the reference can lead to outright refusal.
Role Not Matching CoS Details
Refusals frequently occur where there is evidence that the role performed differs from the role described in the CoS. For example, discrepancies in job title, salary, duties or working hours can trigger credibility concerns or eligibility failures.
Fake or Fraudulent Offers
There have been high‑profile instances of fraudulent job offers, where fake roles or fabricated sponsorship are used to secure visas. UKVI has emphasised that employers must not offer positions that lack genuine work, and applicants relying on such offers risk refusal and potential immigration consequences.
Evidence Submission and Responding to Requests
Applicants should prepare all relevant documentation before applying, even though the portal may indicate that a document upload is not immediately required. If UKVI identifies missing evidence - particularly relating to the job offer, CoS details or employer information - it may issue a request for further documents and set a deadline for submission. Failure to comply can lead to refusal.
Key Takeaways
Evidence of a job offer for a UK Skilled Worker visa revolves chiefly around a valid Certificate of Sponsorship (CoS) issued by an approved sponsor. Additional evidence such as employer details, job title, occupation code, salary, and role description add context and support credibility, but the CoS reference is central. UKVI assesses this evidence to award mandatory points, verify eligibility, and confirm genuineness. Problems such as missing or inconsistent evidence, mismatches with the CoS, or fraudulent offers can lead to refusals. Applicants and sponsors should ensure that all job offer evidence is accurate, complete, and aligned with current immigration criteria to avoid delays or rejection.
