Filing status
- Accounts due
- 31 December 2026
- Last accounts
- 31 March 2025
- Conf. stmt due
- 10 December 2026
- Last conf. stmt
- 26 November 2025
Sustainable Materials Engineering Limited
- Incorporated
- 26 November 2007 (18 years)
- Industry
- Other research and experimental development on natural sciences and engineering (72190)
- Owned by
- Anthony Phillip HartwellEmily Hartwell
- Accounts type
- Micro entity
- Region
- South East
- Address
- Foxglove House Main StreetCharndonBicesterOX27 0AA
Officers 3 active
Officer details are public data from the Companies House register.
British
Born April 1967 (59)
British
British
Born June 1955 (71)
Officer history (2 former)
1 December 2013
26 November 2007
26 November 2007
26 November 2007
26 November 2007
26 November 2007
26 November 2007
Ownership 2 active
People and entities with significant control, from the Companies House PSC register
British
Born June 1955 (71)
British
Born April 1967 (59)
Financials
Balance sheet as at 31 March 2025 · micro entity accounts
- Net Assets
- £827
- Employees
- 2
- Debt Ratio
- 85%
- Current Ratio
- 1.5x
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Fixed Assets | £60 | £303 | £536 | £1,247 | £972 | £2,178 |
| Current Assets | £5,563 | £2,119 | £1,454 | £8,042 | £6,462 | £7,700 |
| Cash | £2,119 | £1,454 | £6,417 | £2,712 | £7,332 | |
| Creditors (< 1 year) | £3,671 | £2,561 | £9,108 | £2,165 | £2,327 | |
| Net Current Assets | £1,892 | (£5) | (£1,107) | (£1,066) | £4,297 | £5,373 |
| Net Assets | £827 | £298 | (£571) | £181 | £5,269 | £7,551 |
| Shareholder Funds | £827 | (£571) | £181 | £5,269 | £7,551 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 11 May 2026 | Change of details for a person with significant control | |||
| 20 April 2026 | Registered office address changed | |||
| 20 April 2026 | Change of details for a person with significant control | |||
| 20 April 2026 | Change of details for a person with significant control | |||
| 20 April 2026 | Director's details changed |
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