Not on the register
Was licensed to sponsor the Skilled Worker route from London, according to the Home Office register.
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Claim this pageIt is no longer on the Home Office register of licensed sponsors; it was removed in March 2026.
From Companies House and the Home Office register of licensed sponsors, checked 27 Mar 2026.
Not at the moment. Riordan O'Sullivan & Co is no longer on the Home Office register of licensed sponsors, so it cannot assign new certificates of sponsorship.
No. Its sponsor licence is not active on the Home Office register.
The register lists Riordan O'Sullivan & Co with a Worker (A rating) rating.
Companies House has no industry classification on file for Riordan O'Sullivan & Co.
The register changes daily. Check the official GOV.UK register before relying on a licence. This page is information, not immigration advice.
On the register by January 2024, the earliest copy of the register we have that lists it. 1 change since then, newest first.
We have no copy of the register between June 2024 and January 2025, so changes in that time show as a range.
Built by comparing copies of the Home Office register: worksponsors/data-process daily copies (from January 2023); our own daily register sync.
Answered by members who have been through it: sponsored here, offered a job, or applied.
No questions yet. If you were sponsored here, applied here or are thinking about it, ask the first one.
No one has shared an experience yet. Figures appear once 5 members have shared. Share yours
Members share their own experience. This is not immigration advice.
How long the CoS took, what the interview was like, whether they paid the visa fee.
Members share their own experience. It isn’t immigration advice, and your answers are public.
It is no longer on the Home Office register (removed 30 Mar 2026), so it can’t sponsor anyone.
Your letter from the Home Office states your new end date. Use this to see how long that leaves.
Keep your dates in one place with the visa timeline, and get reminders before your end date.
33 of 36,620 licensed sponsors here have job ads we’ve matched to the register. Similar work first.
Southwark Council · £89,514 to £112,044 · posted 13 Oct 2026
Morgan Stanley UK Limited · £45,054 · posted 12 Oct 2026
Morgan Stanley UK Limited · £54,584 · posted 12 Oct 2026
eFinancialCareers Ltd · posted 12 Oct 2026
eFinancialCareers Ltd · posted 12 Oct 2026
eFinancialCareers Ltd · posted 12 Oct 2026
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Ask a regulated solicitorInformation from GOV.UK and the register, not advice on your case.