Filing status
- Accounts due
- 31 August 2027
- Last accounts
- 30 November 2025
- Conf. stmt due
- 20 August 2027
- Last conf. stmt
- 6 August 2026
Japanese Knotweed Limited
- Incorporated
- 3 November 2010 (16 years)
- Previously known as
- Swam Limited (until 19 January 2012)This list may be incomplete. See all names on Companies House
- Industry
- Management consultancy activities other than financial management (70229)
- Directors
- James David Stangroom
- Owned by
- Environmental Controls Group Limited
- Accounts type
- Total exemption full
- Region
- South East
- Address
- 13A West Link Belbins Business ParkCupernham LaneRomseySO51 7JF
Charges
- Total
- 4
- Outstanding
- 1
- Part satisfied
- 0
- Satisfied
- 3
Officers 4 active
Officer details are public data from the Companies House register.
Lindley, Katie Jane
Secretary · Appointed 6 October 2025
Director · Appointed 30 May 2022
British
Born April 1963 (63)
Stangroom, James David
Director · Appointed 1 November 2019
British
Born January 1977 (49)
Director · Appointed 21 February 2017
British
Born October 1976 (50)
Officer history (6 former)
6 October 2025
Appointed Lindley, Katie Jane as Secretary
31 October 2022
30 May 2022
1 May 2022
Resigned Wreford, Jacqueline as Director
1 May 2022
22 December 2021
1 November 2019
Appointed Stangroom, James David as Director
31 May 2018
Resigned Vincent, Gary David as Director
9 February 2018
Appointed Vincent, Gary David as Director
22 May 2017
21 February 2017
16 November 2016
20 April 2016
22 February 2016
3 November 2010
Appointed Wreford, Jacqueline as Director
3 November 2010
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Environmental Controls Group Limited
Corporate entity · Notified 1 May 2022
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Limited Company
Former controllers (1)
1 May 2022
Financials
Figures from 2024 accounts. Newer accounts, made up to 30 November 2025, are filed but not read yet. See them on Companies House
- Net Assets
- £516,330
- Cash
- £299,962
- Profit
- £323,407
- Employees
- 51
- Debt Ratio
- 82%
- Current Ratio
- 2.0x
- Return on Equity
- 63%
Trend
Net Assets
Balance sheet detail
| 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|
| Fixed Assets | £407,028 | £311,564 | £325,770 | £1,201,261 | £820,307 | £949,266 |
| Current Assets | £2,442,103 | £2,557,298 | £2,560,995 | £1,701,373 | £2,691,203 | £1,417,284 |
| Debtors | £1,253,501 | £2,175,279 | £1,072,929 | |||
| Cash | £299,962 | £201,938 | £166,189 | £423,057 | £482,739 | £324,435 |
| Creditors (< 1 year) | £1,238,398 | £1,362,831 | £1,312,716 | £1,269,578 | £1,635,140 | £1,223,270 |
| Creditors (> 1 year) | £1,026,405 | £1,057,295 | £1,227,106 | £1,231,974 | £1,170,999 | £976,832 |
| Net Current Assets | £1,203,705 | £1,194,467 | £1,248,279 | £431,795 | £1,056,063 | £194,014 |
| Net Assets | £516,330 | £406,591 | £323,188 | £377,327 | £685,372 | £146,309 |
| Shareholder Funds | £516,330 | £406,591 | £323,188 | £377,327 | £685,372 | £146,309 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 28 August 2026 | Total exemption full accounts | 30 November 2025 | ||
| 27 August 2026 | Confirmation statement with updates | 6 August 2026 | ||
| 14 July 2026 | Director's details changed | |||
| 8 July 2026 | Change of details for a person with significant control | |||
| 7 July 2026 | Registered office address changed |
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