Sidenor UK 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
- 2 Jan 2026 — Director resigned: WITTENBERG, Rodolfo. Report via SMS within 20 working days · window closed 30 Jan 2026 — if this was not reported, the licence is at risk
- 31 Mar 2022 — Director resigned: IPARRAGUIRRE CAMPOS, Gregorio. Report via SMS within 20 working days · window closed 28 Apr 2022 — if this was not reported, the licence is at risk
- 31 Mar 2022 — New director appointed: GOMEZ, Jose Antonio Jainaga. Report via SMS within 20 working days · window closed 28 Apr 2022 — 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.
- 2 Jan 2026Director resigned: WITTENBERG, Rodolfo
- 31 Mar 2022Director resigned: IPARRAGUIRRE CAMPOS, Gregorio
- 31 Mar 2022New director appointed: GOMEZ, Jose Antonio Jainaga
Sponsored jobs
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Job listings are harvested daily from Reed, Adzuna, Jooble and Careerjet and matched back to the register.
Common questions about Sidenor UK Ltd
- Is Sidenor UK Ltd a licensed UK visa sponsor?
- Yes. Sidenor UK 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 Sidenor UK Ltd sponsor?
- Sidenor UK Ltd is licensed for 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 Sidenor UK Ltd based?
- The register lists Sidenor UK Ltd at 1st Floor Northside House, Mount Pleasant, Cockfosters, Hertfordshire, EN4 9EB. 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 01236815. The register itself is the authoritative source — always confirm on GOV.UK before relying on a licence status.
Registration details
- Companies House
- 01236815
- Address
- 1st Floor Northside House, Mount Pleasant, Cockfosters, Hertfordshire, EN4 9EB
- First on register
- 31 Jan 2022
- Website
- sidenor.com/en
- Profile
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.