When was the last time you read the Home Office sponsor guidance all the way through? If the honest answer is ‘never,’ or that you simply rely on whichever part feels relevant at the time, you are not alone. However, that approach just became much harder to defend. On 6 March 2026, the Home Office published a new standalone sponsor guidance glossary designated version 03/26, and for the first time, all key definitions that previously sat across three separate parts of the guidance are now in one place, applying everywhere at once. Some of those definitions have changed. One is entirely new. And the standard they set will be what the Home Office measures your compliance against, whether you have read them or not.
The Home Office explicitly states that this glossary governs how every term is interpreted throughout the entire sponsor guidance collection. For businesses holding a licence under the Skilled Worker or Global Business Mobility (GBM) routes, this matters because the definitions contained here will be the standard the Home Office applies when assessing your compliance, reviewing your Certificate of Sponsorship (CoS) assignments, and conducting visits or checks. Understanding what has changed, what has been clarified, and what now carries a more precise meaning is not optional reading for licence holders. It is essential.
This article works through each defined term that is new, updated, or of particular significance to the Skilled Worker and GBM routes, and explains what it means in practice.
Eligible Role: The Most Significant New Term
The glossary draws particular attention to this term, describing it as a newly defined concept. It replaces the previous notion of a genuine vacancy, which had never been precisely defined in the guidance and was therefore interpreted with some flexibility by sponsors and their advisers.
The eligible role definition sets out four requirements, all of which must be satisfied throughout the duration of the sponsorship, not just at the time the CoS is issued. The role must exist at the point of CoS assignment, or the sponsor must reasonably anticipate it will exist by then. The role must require the jobholder to perform the specific duties, responsibilities and number of hours set out on the CoS. The role must meet all skill levels and salary requirements under the Immigration Rules and comply with National Minimum Wage and Working Time legislation at all times. And the role must be appropriate to the business considering its business model, business plan and scale.
For Skilled Worker sponsors, the immediate implication is that job descriptions and CoS content must be specific and accurate. A generic template that broadly describes a function without specifying the role’s actual duties is a compliance risk. The requirement that the role be appropriate to the business model and scale is new territory. It means the Home Office can now assess whether a role makes commercial sense for a business of your size and nature, not just whether it satisfies the technical salary and skill level thresholds. A business with limited turnover sponsoring a highly senior specialist in a function that does not clearly connect to its operations would face scrutiny under this test.
For GBM sponsors, particularly those using the UK Expansion Worker route, the business appropriateness element is especially significant. Businesses using this route are, by definition, at an early stage of UK establishment. The definition requires that the role be defensible given the current state of the business, not just its future ambitions. Sponsors ought to maintain clear documentation of the commercial rationale for each sponsored role throughout the assignment, not just at the start.
The requirement that the eligible role criteria be met throughout sponsorship also aligns with the salary compliance change introduced from 8 April 2026, which requires the required salary to be paid in every pay period. If the salary falls below the required level at any point, the role may no longer qualify as an eligible role.
Associated Administrative Costs: A Sharper Definition
The glossary defines associated administrative costs as any costs incurred by the sponsor to obtain, use or maintain their licence. This includes fees for priority services, sponsorship action plans, legal advice related to the licence or CoS process, and, importantly, immigration advice or services provided to a sponsored worker where the worker did not have a genuine choice in whether or how to obtain those services.
This last element carries the most practical weight. The rule that sponsors cannot pass these costs to workers is not new, but this definition makes it clearer than before that the prohibition covers situations where a worker is effectively directed to use specific advisers without real choice, even if the arrangement is not framed as a salary deduction. For Skilled Worker and GBM sponsors alike, any arrangement in which the organisation steers workers towards specific legal or advisory services, or recovers immigration costs in any form, needs to be reviewed against this definition.
Certificate of Sponsorship: Confirmed Role as a Formal Document
The glossary confirms that a Certificate of Sponsorship is an electronic document with a unique reference number, issued via the Sponsorship Management System, that confirms the details of the job the worker is being sponsored for. A valid CoS must be in place before a worker can make a successful application for entry clearance or permission to stay.
While this is not a new concept, the glossary’s confirmation that the CoS contains the details of the job reinforces the practical value of accuracy when assigning one. In the context of the eligible role definition, the CoS statement serves as the standard against which the role will be assessed. If the duties on the CoS do not reflect what the worker is actually doing, both the eligible role test and the sponsor’s reporting obligations are engaged.
Occupation Code: SOC 2020 Now the Only Standard
The glossary defines “occupation code” as the relevant SOC 2020 code, unless the context indicates otherwise. It notes separately that Certificates of Sponsorship assigned on or after 4 April 2024 must use the SOC 2020 system, and that the older SOC 2010 system is no longer applicable for current assignments.
For Skilled Worker sponsors, this means every active sponsorship using a CoS assigned from April 2024 onwards must be mapped to the correct SOC 2020 code. The SOC 2020 framework introduced new occupation categories and reclassified a number of roles, so the code used under SOC 2010 may not correspond directly to the equivalent SOC 2020 code. Incorrect coding is one of the most frequently cited grounds for compliance action, and with the eligible role definition now requiring that the role meet skill-level requirements, the accuracy of the occupation code is more consequential than ever.
For GBM sponsors, the occupation code matters particularly for the Senior or Specialist Worker route, where the role must be listed in Appendix Skilled Occupations, and the going rate for that occupation determines the minimum salary threshold.
Global Business Mobility Routes: Formally Listed
The glossary now presents a formal list of the GBM routes: Senior or Specialist Worker, Graduate Trainee, UK Expansion Worker, Service Supplier, and Secondment Worker. This formal listing matters because the sponsor guidance applies different rules and obligations depending on whether a route is classified as a Worker route or a Temporary Worker route, and several of the GBM sub-routes fall under the Temporary Worker category.
Specifically, the glossary confirms that Graduate Trainee, UK Expansion Worker, Service Supplier and Secondment Worker are Temporary Worker routes, while Senior or Specialist Worker is a Worker route alongside Skilled Worker, T2 Minister of Religion and International Sportsperson. This distinction affects how sponsors manage their licence, what reporting obligations apply, and how the eligible role definition interacts with each sub-route.
Key Personnel: Clarified Responsibilities
The glossary defines Key Personnel as the Authorising Officer, the Key Contact, the Level 1 User, and the Level 2 User. Each of these roles is individually defined. The Authorising Officer is described as a senior person within the organisation who has overall responsibility for the sponsor’s activity as a licensed sponsor. The Level 1 User is responsible for day-to-day activity, including assigning CoS and reporting worker activity. The Level 2 User has similar responsibilities but with fewer account permissions in the Sponsorship Management System.
The reason this matters for Skilled Worker and GBM sponsors is that the new sponsor guidance published alongside the glossary on 6 March 2026 places renewed emphasis on governance. The Home Office expects the Authorising Officer to genuinely oversee sponsorship activity, and the guidance makes clear that failings attributed to inadequate oversight at this level can result in compliance action. Having the right people in these roles, with genuine awareness of their responsibilities, is now more important than ever.
Compliance Checks: Three Distinct Methods Now Defined
The glossary defines a compliance check as any check conducted to satisfy the Home Office that a sponsor is complying, or is capable of complying, with its duties. It then separately defines three specific forms of compliance check: a compliance visit, which is an in-person visit to the sponsor’s premises or any client site where sponsored workers are based; a digital compliance check, which is conducted remotely using video conferencing and may involve interviews and the submission of evidence; and a compliance visit in the more extensive sense, which can include reviewing evidence from the Home Office’s own records or information previously submitted by the sponsor.
The inclusion of the digital compliance check as a separately defined term reflects the increasing use of remote oversight by the Home Office. For Skilled Worker and GBM sponsors, this means a compliance check can now take place without any advance warning of a physical visit. Sponsors should ensure that their records, job descriptions, CoS documentation and payroll evidence are maintained in a state that allows them to respond to a remote check at short notice.
Cancellation of Permission: Updated Terminology
The glossary clarifies that cancellation of permission, previously referred to as curtailment of leave, covers situations in which the Home Office cancels or shortens a person’s entry clearance or permission. The document notes that this could arise where the person breaches their conditions of stay, is convicted of a criminal offence, or where the sponsor’s licence is revoked.
For Skilled Worker and GBM sponsors, the significance of this definition lies in the link between sponsor licence revocation and the worker’s permission. If a licence is revoked, the workers sponsored under it face cancellation of their permission to stay. The updated guidance published alongside this glossary makes clear that licence revocation can now occur even where a breach was unintentional. This underlines the importance of sustaining effective compliance processes rather than treating the licence as a formality.
Branch: Scope of Sponsor Obligations Confirmed
The glossary defines a branch as any UK-based office, site, location or campus, including the head office, or any subsidiary or related entity such as a parent or sister company, where the link is through common ownership or control. The definition of common ownership or control is cross-referenced to the GBM section of the sponsor guidance.
For GBM sponsors in particular, this definition is relevant because it determines the scope of the sponsor’s obligations across a corporate group. If workers are sponsored by one entity but work at the premises of a related entity, the compliance obligations attach to the licensed sponsor, not to the entity where the work is performed. Sponsors should ensure that their governance arrangements reflect this, and that anyone responsible for the day-to-day management of sponsored workers at any branch or related site understands the licence holder’s obligations.
eVisa: Digital Status Now the Default
The glossary defines an eVisa as a digital record of a person’s identity and immigration permission, including the duration and conditions of their permission to enter or stay in the UK. This reflects the transition to digital immigration status that took full effect on 25 February 2026, when physical Biometric Residence Permits and vignette stickers were phased out for right-to-work purposes.
For Skilled Worker and GBM sponsors, the practical implication is that right-to-work checks for sponsored workers must now be conducted via the Home Office online checking service rather than by inspecting a physical document. Sponsors who have not already updated their right-to-work check processes to reflect this change should do so immediately. Relying on a physical document that has since been superseded by an eVisa does not constitute a valid right-to-work check.
Settled Worker and Settlement: Relevant to Long-Term Planning
The glossary defines settlement as having the same meaning as indefinite leave to enter or remain, meaning permanent permission to be in the UK. A settled worker is defined by reference to the sponsor guidance section on the Skilled Worker route.
These definitions are relevant in the context of the government’s consultation on the proposed earned settlement changes. Although no changes to the settlement rules have come into force yet, the glossary’s definitions set the baseline against which any future changes will apply. For workers on the Skilled Worker route approaching their five-year qualifying period, or for GBM workers considering switching routes to pursue settlement, knowing these definitions now is part of well-informed planning.
Conclusion
What Sponsors Should Do in Response to This Glossary? The first priority is to read the glossary itself. This sounds obvious, but the Home Office’s decision to centralise definitions means that every sponsor now has a single document against which their understanding of key terms will be measured. Familiarity with the definitions is not just best practice; it is part of what the updated sponsor guidance expects of licence holders.
The second priority is to review job descriptions and CoS templates considering the eligible role definition. Every role you are currently sponsoring, and every role you plan to sponsor, should be assessed against the four-part test. Pay particular attention to the business appropriateness element if you are a smaller organisation, a newly established entity, or a GBM sponsor using the UK Expansion Worker route.
The third priority is to confirm that your right-to-work check process indicates the move to eVisas. Physical documents are no longer the correct basis for a check, and the glossary’s formal definition of an eVisa as the standard form of digital immigration permission makes this transition explicit.
The fourth priority is to review your arrangements around immigration costs and whether any part of those costs is being passed to sponsored workers, directly or indirectly, in a way that falls within the updated definition of associated administrative costs.
Finally, confirm that all CoS assignments use SOC 2020 occupation codes and that your internal role descriptions align with the current framework.
