Company
TWI Certification Limited
Official record Companies House · updated 4th October 2026 · Sources
Network
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Who leads it
Previous officers 9
- Tat-Hean Gan 2021-2021 View profile
- Shahid Abbass Aslam 2020-2021 View profile
- Zafar Hasnain 2020-2021 View profile
- Aamir Khalid 2019-2024 View profile
- Christoph Stefan Wiesner 2013-2019 View profile
- Eady, Christopher James, Eur Ing 2010-2019 View profile
- Timothy James Jessop 1995-2010 View profile
- Gillian Astrid Leech 2010-2020 View profile
- Robert Victor Michael Dawkins 1995-2010 View profile
Directors and secretaries as filed at Companies House.
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About
- Incorporated
- 29/09/1995
Ownership
Owned by (4) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.
- Gillian Astrid Leech ceased 2019-11-19
significant influence · notified 2016-09-01 - Christoph Stefan Wiesner ceased 2019-01-31
significant influence · notified 2016-09-01 - Aamir Khalid ceased 2019-11-19
significant influence · notified 2019-02-01 - The Welding Institute
75-100% shares · notified 2019-11-19
Group
- TWI Certification Limited
is controlled by Gillian Astrid Leech
Evidence
ceased significant influence · notified 2016-09-01, ceased 2019-11-19 · source: Companies House PSC register
Ultimately controlled by Gillian Astrid Leech.
17 other companies in this group
- SC404965
- GPE 1 Limited
- TWI Technology Trust
- Vitresyn Limited
- 09373579
- Fullagar Technologies Limited
- National Composites Network Limited
- 11512928
- Plant Integrity Limited
- Sirf Limited
- TWI Research Centre (Cymru) Limited
- TWI Technology Centre (Yorkshire) Limited
- Granta Park Estates Limited
- Waverley Technology Limited
- Abington Park Limited
- Barrikade Limited
- Granta Centre Limited
Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.
Board analysis
Board DNA
How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.
4 directors on the board
- Jason Ian Gregory Director · appointed 2026
- Leonie Stewart Director · appointed 2021
- David Dowell Wrathmall Director · appointed 2024
- Dr Caroline Olive Mary Gumble Director · appointed 2025
First-time vs portfolio directors
Portfolio (4)
- Jason Ian Gregory Director · appointed 2026
- Leonie Stewart Director · appointed 2021
- David Dowell Wrathmall Director · appointed 2024
- Dr Caroline Olive Mary Gumble Director · appointed 2025
Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.
The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 03108202
- Status
- Active
- Type
- Private Limited Company
- Edition
- Register edition compiled 4th October 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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