Alnylam UK Limited
ActiveLicence & visa routes
An A rating means the sponsor currently meets Home Office duties and can issue Certificates of Sponsorship; a B rating means a time-limited action plan is in place.
Companies House changes
Run a live check≈6.9 in 100 such sponsors lost their licence within 7 months. Driven by: Moved registered office in the last 12 months (×2.1), Healthcare sponsor (×1.9), More than 7 filings in 24 months (×1.4), Has filed annual returns (AR01) (×0.8).
Reporting duties
- 1 May 2026 — Registered office address changed. Report via SMS within 20 working days · window closed 29 May 2026 — if this was not reported, the licence is at risk
- 12 Feb 2026 — Registered office address changed. Report via SMS within 20 working days · window closed 12 Mar 2026 — if this was not reported, the licence is at risk
- 6 Jun 2023 — Director resigned: JONES, David Ronald. Report via SMS within 20 working days · window closed 4 Jul 2023 — if this was not reported, the licence is at risk
- 6 Jun 2023 — New director appointed: PAGNANO, Carlos Arnaldo Dal Secco. Report via SMS within 20 working days · window closed 4 Jul 2023 — if this was not reported, the licence is at risk
- + 13 earlier duties
Deadlines are 20 working days from the change (bank holidays not counted). Companies House cannot show whether the report was made.
- 1 May 2026Registered office address changed
- 12 Feb 2026Registered office address changed
- 6 Jun 2023Director resigned: JONES, David Ronald
- 6 Jun 2023New director appointed: PAGNANO, Carlos Arnaldo Dal Secco
- 13 Sept 2021Director resigned: GRECO, Arianna
- 13 Sept 2021New director appointed: WITKOS, Katarzyna Maria
- + 11 earlier events
Sponsored jobs
No listings matched yet
Job listings are harvested daily from Reed, Adzuna, Jooble and Careerjet and matched back to the register.
Common questions about Alnylam UK Limited
- Is Alnylam UK Limited a licensed UK visa sponsor?
- Yes. Alnylam UK Limited in Maidenhead holds a UK sponsor licence and appears on the Home Office register of licensed sponsors, where it has been listed since 2017. That means it is permitted to sponsor eligible workers from overseas, though a licence is permission to sponsor rather than a guarantee that any particular vacancy is open to sponsorship.
- What visa routes can Alnylam UK Limited sponsor?
- Alnylam UK Limited is licensed for Global Business Mobility: Senior or Specialist Worker and Skilled Worker. Its licence is recorded on the register as "Worker (A rating)" — the rating reflects the Home Office's confidence in the sponsor's compliance record.
- Where is Alnylam UK Limited based?
- The register lists Alnylam UK Limited at Braywick Gate, Braywick Road, Maidenhead, United Kingdom, SL6 1DA. This is the address on the sponsor licence, which is usually the head office — a sponsored role may be based at a different site.
- How current is this information?
- This page is built from the UK Home Office register of licensed sponsors. We resync the register daily and keep a dated history of every addition and removal, alongside Companies House records for company number 08871372. The register itself is the authoritative source — always confirm on GOV.UK before relying on a licence status.
Registration details
- Companies House
- 08871372
- Address
- Braywick Gate, Braywick Road, Maidenhead, United Kingdom, SL6 1DA
- First on register
- 22 Dec 2017
- Website
- alnylam.com
- Profile
More in Maidenhead
Source: UK Home Office register of licensed sponsors (updated daily) and Companies House. "First on register" is when this organisation first appeared in our data, not the official licence grant date.