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Home»Migrating to England»Certificates of Sponsorship: All You Must Know
Migrating to England

Certificates of Sponsorship: All You Must Know

JennifercastroBy JennifercastroDecember 18, 2025No Comments9 Mins Read
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Certificates of Sponsorship: All You Must Know
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By Georgina Griggs –
Immigration Barrister

17 Dec 2025

Georgina Griggs

In This Article

A Certificates of Sponsorship (“CoS”) is an digital certificates which should be assigned for every migrant employee who needs to use beneath a related sponsored employee route. Candidates beneath the Expert Employee route can’t make their visa or permission to remain utility and not using a Certificates of Sponsorship because the distinctive reference quantity should be inputted on the applying type.

The aim of the Certificates of Sponsorship is for the licensed sponsor to verify:

  • That they want to sponsor the employee; 
  • That they’re happy that the employee can meet the related immigration necessities for the route they’re making use of beneath;
  • That they’re eligible to sponsor the employee on the related route; and 
  • That they comply with abide by the phrases of situations as said on the SMS.

Having a legitimate CoS doesn’t, nonetheless, assure that the employee will probably be granted entry clearance, permission to enter, or permission to remain. Candidates beneath this route should make sure that they meet the necessities of the sponsored route beneath which they apply. 

3. What Is an Undefined CoS and Who Wants One?

Undefined Certificates of Sponsorship should be assigned to Expert Employees making use of for permission to remain within the UK, from throughout the UK.

Undefined Certificates of Sponsorship should even be assigned to employees making use of on another sponsored route, such because the International Enterprise Mobility or Momentary Employee routes. That is no matter whether or not they’re making use of for entry clearance, permission to enter, or permission to remain. 

Undefined Certificates of Sponsorship should be assigned to a migrant from the sponsor’s annual allocation. 

5. What Is an Annual CoS Allocation?

When employers apply for a Sponsor Licence, they are going to be requested for an estimate of the variety of Undefined Certificates of Sponsorship they might want to assign of their first 12 months in every route for which they’re making use of to be licensed. This should be justified and additional info could be requested. 

Annually, the Sponsor will probably be requested to make an annual allocation request for the subsequent CoS 12 months. The Sponsor will probably be required to supply particulars of their hiring plans for the upcoming 12 months, with justifications for the roles that they want to sponsor. 

Any Certificates of Sponsorship granted will probably be legitimate for 12 months. Any unused CoS will probably be faraway from the SMS account, they can’t be carried over. 

6. What Is an Annual Allocation Request?

Annually sponsors are requested to request an annual allocation for the subsequent 12 months. This is usually a guide or automated request, relying on the sponsor’s circumstances (you may go surfing to the SMS to test this). This request is made by way of the SMS system and must be made previous to the tip of the allocation 12 months. 

The allocation 12 months will depend upon when the sponsor licence was obtained. Sponsors ought to test the SMS system to see when their allocation 12 months runs. 

7. What if I Want Extra Undefined CoS Allocations Throughout the Allocation 12 months?

If a sponsor wants extra Certificates of Sponsorship allocations of their allocation 12 months, they’ll request an in-year allocation improve by making an utility by way of the SMS system. Causes should be offered for requesting a rise to the allocation.

An in-year allocation improve request can take as much as 18 weeks to be determined, except precedence companies (which have restricted availability) are obtained. Sponsors might want to issue this timeframe in for any employees who want to increase their permission. To ensure that an utility for permission to remain to be legitimate, an applicant should present a legitimate CoS reference quantity. Subsequently, it’s important that Sponsors are organised and hold observe of any visa expiry dates. 

8. What Does the Dwelling Workplace Contemplate in a CoS Allocation Utility?

The Dwelling Workplace will take into account numerous elements, together with, however not restricted to:

  • Any brokers you’ll use to recruit employees and whether or not they have been linked to immigration abuse previously;
  • Your earlier file in coping with the Dwelling Workplace, together with beneath the present sponsorship preparations, the earlier Tier 2 and Tier 5 preparations, or the work allow preparations that have been in place earlier than the introduction of Tier 2 and Tier 5;
  • The variety of employees employed at your organisation;
  • The form of enterprise you conduct;
  • The extent of the enterprise you conduct; and
  • The size of time you may have been buying and selling.

For the Growth Employee route, the Dwelling Workplace can even take into account whether or not the Authorising Officer is predicated within the UK or abroad. 

The identical concerns apply for requests for Undefined or Outlined CoS allocations.

The Dwelling Workplace shouldn’t be obligated to grant a CoS allocation utility. If it’s not adequately justified, or inadequate reasoning/proof is offered, they’ll refuse an allocation grant, or grant fewer than the quantity requested. Sponsors might want to search authorized recommendation when making their CoS allocation utility, significantly as we’ve seen enormous will increase in requests for additional info from Sponsors requesting CoS allocations.

Certificates of Sponsorship should be assigned to the migrant utilizing the SMS system. A CoS can solely be assigned by an individual who has entry to the SMS as a Degree 1 or Degree 2 person. A CoS can’t be assigned greater than three months prematurely of the migrant’s begin date. 

10. What Is a Outlined CoS and Who Wants One?

A Outlined Certificates of Sponsorship is required by a Expert Employee making use of for entry clearance from exterior the UK. 

A Outlined Certificates of Sponsorship shouldn’t be assigned from the sponsor’s annual allocation – there are not any limits to the variety of Certificates obtainable. Sponsors should make a request for a Outlined CoS allocation on a role-by-role foundation. Opposite to the Undefined CoS allocation requests, particular particulars of the function should be offered. As soon as the allocation is obtained, the CoS can solely be assigned for the function that the request was made for. 

Outlined Certificates of Sponsorship allocation requests take round 24-48 hours to be processed, nonetheless, we’ve seen delays the place the Dwelling Workplace needs to request additional info which is changing into increasingly more commonplace. 

The Certificates of Sponsorship should embody: the route on which the migrant is being sponsored, the migrant’s private info, contact particulars, work handle(es) within the UK, job description, occupation code, hours, wage, and begin and finish date of employment. The Certificates of Sponsorship should embody the identical particulars as said within the applicant employee’s passport.

The place an agent was used to search out the employee (together with a recruitment company, employment enterprise, or different middleman) particulars of this agent should be offered. 

Sponsors can even be requested to verify whether or not they certify upkeep for the employee and whether or not an ATAS certificates is required. 

If the employee is expounded to another employee/workplace holder within the enterprise, this should even be declared on the CoS by the addition of a sponsor be aware after project. You need to be aware {that a} Degree 1 or Degree 2 person can’t assign a CoS to a member of the family and the definition of that is broadly construed – if this happens, it is a necessary floor for revocation beneath Annex C1 of the Half 3 steerage.

For the Expert Employee route, the CoS should additionally affirm:

  • Beneath which wage Choice the migrant intends to rely – particulars of how the migrant meets the standards (apart from beneath Choice A) should be included;
  • Whether or not the job function is on a consumer contract and, if that’s the case, particulars of the consumer contract;
  • Whether or not the function is on the Immigration Wage Listing or Momentary Scarcity Listing;
  • Skilled registration particulars of the employee, if relevant; and 
  • Any extra related info. 

12. What Occurs if I Assign the Flawed Sort of CoS?

It is rather necessary that the right sort of Certificates of Sponsorship is assigned to a migrant and that Sponsors perceive the distinction between Outlined and Undefined CoS. If an Undefined CoS is assigned to a migrant who requires a Outlined CoS, it is a floor for revocation. 

Annex C2 of the Half 3 steerage accommodates “circumstances during which we are going to usually revoke your licence”. It lists the next as a floor for revocation:

“Reference u: You assign an undefined Expert Employee CoS (or an unrestricted Tier 2 (Basic) CoS) to a employee who requires an outlined (or restricted) one.”

Sponsors ought to search authorized recommendation if they don’t seem to be certain. 

Sponsors should pay a price every time they assign a Certificates of Sponsorship. If the right price shouldn’t be paid, then the Dwelling Workplace might cancel the CoS. 

It prices £525 to assign a Certificates of Sponsorship, except the migrant is making use of as a Momentary Employee or as an Worldwide Sportsperson (for as much as 12 months) during which case it prices £55. 

Sponsors might also have to pay the Immigration Abilities Cost.

For skilled recommendation and help in relation to Certificates of Sponsorship, contact our immigration barristers in London on 0203 617 9173 or by way of the enquiry type beneath.

Please be aware that the data offered on this article is for normal
steerage solely and is
based mostly on
the immigration guidelines and insurance policies in drive on the date of publication. Immigration regulation and Dwelling
Workplace coverage can change often, and necessities might differ relying on particular person
circumstances. Authorized recommendation ought to all the time be sought in relation to your particular state of affairs.



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