Company · London
Polymateria Limited
Other professional, scientific and technical activities n.e.c.
Official record Companies House · updated 27th September 2026 · Sources
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Who leads it
Previous officers 3
- Zuo Yi Yeo 2023-2026 View profile
- Niall Dunne 2018-2024 View profile
- Graham Martyn Chapman 2015-2018 View profile
Directors and secretaries as filed at Companies House.
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About
- What it does
- Other professional, scientific and technical activities n.e.c.
- Incorporated
- 17/11/2015
- Registered office
- London
- Previous names
- Innovative Plastics Limited (until 25/11/2015)
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.
- Jonathan David Sieff ceased 2019-03-08
25-50% shares, 25-50% voting · notified 2017-01-09
Group
- Polymateria Limited
is controlled by Jonathan David Sieff
Evidence
ceased 25-50% shares, 25-50% voting · notified 2017-01-09, ceased 2019-03-08 · source: Companies House PSC register
Ultimately controlled by Jonathan David Sieff.
9 other companies 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.
Financials
- Net assets
- -£5,475,803
- Total assets
- £1,448,378
- Cash
- £1,822,634
- Employees
- 0.24
- Turnover
- Not reported (small or micro-entity accounts)
- Profit/loss
- -£7,895,125
Five-year trend
| Period ending | Turnover | Net assets |
|---|---|---|
| 2025-12-31 | Not reported | -£5,475,803 |
| 2024-12-31 | Not reported | -£814,436 |
Figures from accounts filed at Companies House (iXBRL), period ending 2025-12-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.
Grants received
8 grants · £1,102,393 total360Giving data, published by funders. Coverage only includes funders who publish their grants to 360Giving, so these figures are a floor, not a complete picture.
Top funders
- Department for Business, Energy and Industrial Strategy · £847,227 (3 grants)
- Department for Science, Innovation and Technology · £132,625 (2 grants)
- Department for Work and Pensions · £122,541 (3 grants)
Most recent
- Department for Science, Innovation and Technology
- Department for Science, Innovation and Technology
- Department for Work and Pensions
- Department for Work and Pensions
- Department for Business, Energy and Industrial Strategy
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.
7 directors on the board
- Richard Horne Director · appointed 2024
- Simon Norman Susman Director · appointed 2020
- Marc Jan Bolland Director · appointed 2020
- Frederic Charles Josse Mutien Ghislain De Mevius Director · appointed 2020
- Jonathan David Sieff Director · appointed 2015
- Lee Philip Davy-Martin Director · appointed 2015
- Sugandhi Matta Director · appointed 2023
Directors past 6 years
- Simon Norman Susman Director · appointed 2020
- Marc Jan Bolland Director · appointed 2020
- Frederic Charles Josse Mutien Ghislain De Mevius Director · appointed 2020
- Jonathan David Sieff Director · appointed 2015
- Lee Philip Davy-Martin Director · appointed 2015
First-time vs portfolio directors
First-time (4)
- Richard Horne Director · appointed 2024
- Simon Norman Susman Director · appointed 2020
- Frederic Charles Josse Mutien Ghislain De Mevius Director · appointed 2020
- Sugandhi Matta Director · appointed 2023
Portfolio (3)
- Marc Jan Bolland Director · appointed 2020
- Jonathan David Sieff Director · appointed 2015
- Lee Philip Davy-Martin Director · appointed 2015
Also govern a charity
Left in the last 12 months
- Zuo Yi Yeo Director · appointed 2023 · resigned 2026
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
- 09875556
- Status
- Active
- Type
- Private Limited Company
- Accounts next due
- 30/09/2027
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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