Proton Technologies Ltd
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≈3.3 in 100 such sponsors lost their licence within 7 months. Score uses register data only — a live check adds the full Companies House record.
Reporting duties
- 1 Aug 2025 — New corporate-director appointed: PROTON AG. Report via SMS within 20 working days · window closed 29 Aug 2025 — if this was not reported, the licence is at risk
- 3 Mar 2023 — Director resigned: HAMMOND, Christopher Colin. Report via SMS within 20 working days · window closed 31 Mar 2023 — if this was not reported, the licence is at risk
Deadlines are 20 working days from the change (bank holidays not counted). Companies House cannot show whether the report was made.
- 1 Aug 2025New corporate-director appointed: PROTON AG
- 3 Mar 2023Director resigned: HAMMOND, Christopher Colin
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 Proton Technologies Ltd
- Is Proton Technologies Ltd a licensed UK visa sponsor?
- Yes. Proton Technologies Ltd in London holds a UK sponsor licence and appears on the Home Office register of licensed sponsors, where it has been listed since 2022. 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 Proton Technologies Ltd sponsor?
- Proton Technologies Ltd 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 Proton Technologies Ltd based?
- The register lists Proton Technologies Ltd at 10 John Street, London, United Kingdom, WC1N 2EB. 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 13493018. The register itself is the authoritative source — always confirm on GOV.UK before relying on a licence status.
Registration details
More in London
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.