---
title: "CTL Seal Limited: UK sponsor licence status"
canonical: https://uk-sponsors.getborderless.co.uk/sponsors/ctl-seal-limited-sheffield-683333
register_status: active
register_as_of: 2026-10-30
publisher: Borderless (https://www.getborderless.co.uk)
source: UK Home Office register of licensed sponsors (Open Government Licence v3); Companies House
---

# CTL Seal Limited: UK sponsor licence status

> 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).

## Key facts

- Register status: Active: on the current register and licensed to sponsor workers
- Licence type and rating: Worker (A rating)
- Visa routes: Skilled Worker
- First seen on the register: 13 June 2017
- Legal name: DIAMOND ENGINEERING SERVICES LTD
- Industry: Manufacturing & Industrial
- Town: SHEFFIELD
- Registered address: Butterthwaite Lane, Ecclesfield, Sheffield, England, S35 9WA
- Companies House number: 06837452 (https://find-and-update.company-information.service.gov.uk/company/06837452)
- Website: https://www.ctlseal.co.uk
- LinkedIn: https://www.linkedin.com/company/brand-north-limited/
- Register data as of: 30 October 2026 (GOV.UK register of licensed sponsors, re-read daily)
- Web page: https://uk-sponsors.getborderless.co.uk/sponsors/ctl-seal-limited-sheffield-683333

## Where this sponsor sits

- One of 695 licensed sponsors in Sheffield: https://uk-sponsors.getborderless.co.uk/sponsors/in/sheffield
- One of 8,077 in Manufacturing & Industrial: https://uk-sponsors.getborderless.co.uk/sponsors/industry/manufacturing-industrial
- Among 122,278 Skilled Worker sponsors: https://uk-sponsors.getborderless.co.uk/sponsors/route/skilled-worker

## Companies House changes since it joined the register

15 changes worth checking, checked 26 October 2026, newest first:

- 8 Jan 2026: Company name changed, now trading as "DIAMOND ENGINEERING SERVICES LTD". 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.
- 1 Dec 2021: New shares issued (allotment). 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.
- 24 Nov 2021: New director appointed: DYSON, Roy. 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.
- 24 Nov 2021: New director appointed: FLINT, Arron. 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.
- 24 Nov 2021: New director appointed: BLACK, Jamie. 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.
- 24 Nov 2021: New director appointed: DAVISON, Paul Terence. 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.
- 24 Nov 2021: New director appointed: WRIGHT, Richard. 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.
- 24 Nov 2021: New director appointed: GLOBE, Julie Ann. 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.
- 13 Apr 2021: Registered office address changed. Registered office change recorded on 13 Apr 2021. If the address on your sponsor licence has changed, the change must be reported in the SMS (the Home Office sponsor system) within 20 working days.
- 31 Mar 2021: Notification of Diamond Engineering Group Limited as a person with significant control. New majority owner or controller recorded on 31 Mar 2021. If control of your organisation has passed to a new owner, the licence does not transfer automatically, and a new licence application may be needed within 20 working days.
- 31 Mar 2021: Cessation of Charles Thompson Uk Ltd as a person with significant control. Change to people with significant control recorded on 31 Mar 2021. If this changes who owns or controls your organisation, the change must be reported in the SMS (the Home Office sponsor system) within 20 working days.
- 31 Mar 2021: Director resigned: GRAINGER, Paul Andrew. Director change recorded on 31 Mar 2021. If this person was 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.
- 31 Mar 2021: Director resigned: THOMPSON, David Charles. Director change recorded on 31 Mar 2021. If this person was 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.
- 31 Mar 2021: New director appointed: ENGLAND, Luke Andrew. Director change recorded on 31 Mar 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.
- 8 Apr 2019: Registered office address changed. Registered office change recorded on 8 Apr 2019. If the address on your sponsor licence has changed, the change must be reported in the SMS (the Home Office sponsor system) within 20 working days.

Companies House cannot show who holds the licence roles or whether a change was reported to the Home Office, so these are prompts to check against your own records, not findings.

## Sponsored jobs

No listings matched yet. Job listings are harvested daily from Reed, Adzuna, Jooble and Careerjet and matched back to the register by employer name.

## 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.

## About this data

- Source register: UK Home Office, Register of Licensed Sponsors (Workers), https://www.gov.uk/government/publications/register-of-licensed-sponsors-workers (Open Government Licence v3). GOV.UK is authoritative; confirm there before relying on a licence status.
- Company records: Companies House, https://find-and-update.company-information.service.gov.uk/
- Published by Borderless (https://www.getborderless.co.uk), an OISC-regulated UK immigration provider. This is public register data, not legal advice.
- "First seen on the register" is when this organisation first appeared in our data, not the official licence grant date.
- Web page: https://uk-sponsors.getborderless.co.uk/sponsors/ctl-seal-limited-sheffield-683333
- This fact sheet: https://uk-sponsors.getborderless.co.uk/sponsors/ctl-seal-limited-sheffield-683333.md
- Site overview for AI agents: https://uk-sponsors.getborderless.co.uk/llms.txt
- Something wrong? Request a correction from the web page and the Borderless team will check it.
