Company
Steel & Alloy Holdings Limited
Steel & Alloy Holdings Limited is an active UK company (number 03326521), incorporated 1997, with 3 current directors including Jack John Mathew Mason and Josu Calvo Moreira. Source: Companies House, updated 11th October 2026.
Official record Companies House · updated 11th October 2026 · Sources
Network
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Who leads it
Previous officers 13
- Juan Maria Riberas Mera 2012-2025 View profile
- Michael Green 2011-2012 View profile
- Dr Gemma Kate Ashwell 2011-2012 View profile
- Mark David Ashwell 2010-2012 View profile
- Dr Simon Guy Ashwell 2009-2012 View profile
- Andrew Roberts 2006-2010 View profile
- James Alexander Ashwell 2006-2012 View profile
- Mark Thomas Cooper 2006-2022 View profile
- Brian David Ashwell 1997-2006 View profile
- Mario Ruiz Escribano 2012-2025 View profile
- Paul Whitehouse 2011-2012 View profile
- David Richard Johnson 1997-2011 View profile
- Fay Lesley Ashwell 1997-2006 View profile
Directors and secretaries as filed at Companies House.
Do you help lead this organisation? Set up its network · How it works
About
- Incorporated
- 25/02/1997
Ownership
Owned by (2) 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.
- Juan Maria Riberas Mera
25-50% shares · notified 2023-08-04 - Francisco José Riberas Mera
25-50% shares · notified 2023-08-04
Group
- Steel & Alloy Holdings Limited
is controlled by Juan Maria Riberas Mera
Evidence
active 25-50% shares · notified 2023-08-04 · source: Companies House PSC register
Ultimately controlled by Juan Maria Riberas Mera.
1 other company in this group
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.
3 directors on the board
- Jack John Mathew Mason Director · appointed 2024
- Paul Joseph Whitehouse Director · appointed 2011
- Josu Calvo Moreira Director · appointed 2012
Directors past 6 years
- Paul Joseph Whitehouse Director · appointed 2011
- Josu Calvo Moreira Director · appointed 2012
First-time vs portfolio directors
Portfolio (3)
- Jack John Mathew Mason Director · appointed 2024
- Paul Joseph Whitehouse Director · appointed 2011
- Josu Calvo Moreira Director · appointed 2012
Left in the last 12 months
- Juan Maria Riberas Mera Director · appointed 2012 · resigned 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.
Gaps to watch
- Several long-serving directors could step down together
Where to look Suggested search: succession planning for long-tenured seats.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 03326521
- Status
- Active
- Type
- Private Limited Company
- Edition
- Register edition compiled 11th October 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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