Filing status
- Accounts due
- 28 February 2027
- Last accounts
- 31 May 2025
- Conf. stmt due
- 2 June 2027
- Last conf. stmt
- 19 May 2026
Deteralert Limited
- Incorporated
- 19 May 2010 (16 years)
- Previously known as
- Appttack Limited (until 10 August 2017)Atc Ideas Limited (until 15 February 2011)This list may be incomplete. See all names on Companies House
- Industry
- Business and domestic software development (62012)
- Directors
- Alan Trevor Cropper
- Owned by
- Alan Trevor Cropper
- Accounts type
- Micro entity
- Region
- East of England
- Address
- 4 The CloistersBarnacres RoadHemel HempsteadHP3 8JU
Officers 3 active
Officer details are public data from the Companies House register.
Director · Appointed 8 August 2017
Irish
Born February 1967 (59)
Cropper, Alan Trevor
Secretary · Appointed 19 May 2010
Cropper, Alan Trevor
Director · Appointed 19 May 2010
British
Born May 1940 (86)
Officer history (1 former)
8 August 2017
20 May 2011
Resigned Cropper, Elizabeth Anne as Director
19 May 2010
Appointed Cropper, Alan Trevor as Secretary
19 May 2010
Appointed Cropper, Alan Trevor as Director
19 May 2010
Appointed Cropper, Elizabeth Anne as Director
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Alan Trevor Cropper
Individual · Notified 6 April 2016
Owns 25–50% of shares
British
Born May 1940 (86)
Former controllers (1)
1 January 2021
Ceased Elizabeth Anne Cropper — Owns 25–50% of shares
Financials
Balance sheet as at 31 May 2025 · micro entity accounts
- Net Assets
- (£57,871)
- Debt Ratio
- 25820%
- Current Ratio
- 0.1x
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | 2023 | 2021 | 2020 | |
|---|---|---|---|---|---|
| Fixed Assets | £0 | £0 | £0 | £0 | |
| Current Assets | £225 | £264 | £592 | £1,787 | £106 |
| Creditors (< 1 year) | £1,576 | £54,660 | £45,450 | ||
| Creditors (> 1 year) | £56,520 | £1,500 | £27,797 | £25,327 | |
| Net Current Assets | (£1,351) | (£54,396) | (£44,858) | £1,787 | £106 |
| Net Assets | (£57,871) | (£44,858) | (£24,663) | (£23,874) | |
| Shareholder Funds | (£57,871) | (£44,858) | (£24,663) | (£23,874) |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 21 May 2026 | Confirmation statement with no updates | 19 May 2026 | ||
| 13 February 2026 | Micro company accounts | 31 May 2025 | ||
| 19 May 2025 | Confirmation statement with no updates | 19 May 2025 | ||
| 11 October 2024 | Micro company accounts | 31 May 2024 | ||
| 24 May 2024 | Confirmation statement with no updates | 19 May 2024 |
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