Company · Cardiff
Purecell Limited
Other research and experimental development on natural sciences and engineering
Official record Companies House · updated 27th September 2026 · Sources
Network
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Who leads it
Directors and secretaries as filed at Companies House.
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About
- What it does
- Other research and experimental development on natural sciences and engineering
- Incorporated
- 17/11/2025
- Registered office
- Cardiff
Ownership
Owned by (1) 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.
- Haemair Limited
75-100% shares, 75-100% voting, appoints directors · notified 2025-11-17
Group
- Purecell Limited
is controlled by Haemair Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2025-11-17 · source: Companies House PSC register - Haemair Limited
is controlled by Criseren Investments Limited
Evidence
active 25-50% shares, 25-50% voting, appoints directors (firm), significant influence (firm) · notified 2023-08-01 · source: Companies House PSC register - Criseren Investments Limited
is controlled by David Jon Llewellyn
Evidence
active significant influence, significant influence (trust), significant influence (firm) · notified 2026-01-05 · source: Companies House PSC register
Ultimately controlled by David Jon Llewellyn.
15 other companies in this group
- Haemaflow Limited
- Anaxsys Technology Limited
- Criseren Management Limited
- Vaynor Developments Limited
- Vaynor Developments 2 Limited
- Criseren Engineering Limited
- Criseren Investments Limited
- Chertsey Court LLP
- Criseren Limited
- Actoris Chippenham Limited
- Criseren Foods Limited
- Criseren Treasury Limited
- Criseren Properties 2 Limited
- Criseren Properties Limited
- Haemair 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.
2 directors on the board
- David Jon Llewellyn Director · appointed 2025
- Dr William Richard Johns Director · appointed 2025
First-time vs portfolio directors
Portfolio (2)
- David Jon Llewellyn Director · appointed 2025
- Dr William Richard Johns 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
- 16861292
- Status
- Active
- Type
- Private Limited Company
- Accounts next due
- 17/08/2027
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data