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CTL Seal Limited

Active
SHEFFIELDManufacturing & IndustrialListed under this name since 13 Jun 2017

Can sponsor visas

It is on the Home Office register of licensed sponsors. Not every job it advertises comes with sponsorship.

Visa routes
1
Skilled Worker
Rating
A
In good standing
Live jobs
0
On UK job boards

Licence & visa routes

Routes
Skilled Worker
Licence rating
Worker, A rating

A rating: in good standing. B rating: downgraded and must fix problems before sponsoring new workers.

Sponsored jobs

No jobs found yet

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Companies House changes

Run a live check
15 changes worth checking since it was listed on 13 Jun 2017Checked 26 Oct 2026
  1. Company name changed, now trading as "DIAMOND ENGINEERING SERVICES LTD"8 Jan 2026

    Company name change recorded on 8 Jan 2026. If this is the organisation named on your sponsor licence, the new name must be reported in the SMS (the Home Office sponsor system) within 20 working days.

  2. New shares issued (allotment)1 Dec 2021

    Share capital filing recorded on 1 Dec 2021. No new majority owner was notified, so this is usually routine. If it did pass a controlling interest to someone new, the licence does not transfer automatically, and a new licence application may be needed within 20 working days.

  3. New director appointed: DYSON, Roy24 Nov 2021

    Director change recorded on 24 Nov 2021. If this person is now your Authorising Officer, Key Contact or Level 1 user, the change must be reported in the SMS (the Home Office sponsor system) within 20 working days.

Companies House doesn't show whether a change was reported to the Home Office, so check these against your own records.

Common questions about CTL Seal Limited

Is CTL Seal Limited a licensed UK visa sponsor?
Yes. CTL Seal Limited in SHEFFIELD is on the Home Office register of licensed sponsors under this name since 2017. It can sponsor workers from overseas, but not every job it advertises comes with sponsorship.
What visa routes can CTL Seal Limited sponsor?
CTL Seal Limited is licensed for Skilled Worker. Its licence rating on the register is "Worker (A rating)".
Where is CTL Seal Limited based?
The register lists CTL Seal Limited at Butterthwaite Lane, Ecclesfield, Sheffield, England, S35 9WA. This is usually the head office; the job itself may be somewhere else.
How current is this information?
This page uses the UK Home Office register of licensed sponsors, as published on 30 October 2026, and Companies House records for company number 06837452. We update it daily. Always confirm a licence status on GOV.UK.

Registration details

Company number
06837452
Legal name
DIAMOND ENGINEERING SERVICES LTD
Address
Butterthwaite Lane, Ecclesfield, Sheffield, England, S35 9WA
Website
ctlseal.co.uk
LinkedIn
Profile

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As of 30 October 2026, CTL Seal Limited (Companies House 06837452, Sheffield) holds an A-rated Worker sponsor licence covering the Skilled Worker route and has appeared on the UK Home Office register of licensed sponsors since 13 June 2017 (source: Borderless, from the GOV.UK register of licensed sponsors and Companies House). The first register date is when we first saw it listed, not the official licence date. Text-only version