Website & contact details
- Website
Onsecurity Technology Limited
- Incorporated
- 20 June 2022 (4 years)
- Industry
- Other information technology service activities (62090)
- Directors
- Marieke Charlotte ChristmannThomas Alexander Lindley
- Accounts type
- Small
- Region
- South West
- Address
- 1 Victoria StreetBristolBS1 6AA
Filing status
- Accounts due
- 31 March 2027
- Last accounts
- 30 June 2025
- Conf. stmt due
- 2 July 2027
- Last conf. stmt
- 18 June 2026
Charges
- Total
- 1
- Outstanding
- 1
- Part satisfied
- 0
- Satisfied
- 0
Officers 5 active
Officer details are public data from the Companies House register.
Director · Appointed 12 June 2026
British
Born November 1972
Christmann, Marieke Charlotte
Director · Appointed 25 October 2025
British
Born October 1983 (43)
Lindley, Thomas Alexander
Director · Appointed 20 June 2022
British
Born December 1990 (35)
British
Born October 1977 (49)
O’neill, Conor
Director · Appointed 20 June 2022
Irish
Born January 1982 (44)
Officer history (3 former)
12 June 2026
4 February 2026
25 October 2025
Appointed Christmann, Marieke Charlotte as Director
5 October 2025
Resigned Carle, Steven as Director
30 September 2025
4 June 2024
Appointed Carle, Steven as Director
4 June 2024
20 June 2022
Appointed Lindley, Thomas Alexander as Director
20 June 2022
20 June 2022
Appointed O’neill, Conor as Director
20 June 2022
Ownership 0 active
People and entities with significant control, from the Companies House PSC register
The company has declared that it has no person with significant control.
Financials
Balance sheet as at 30 June 2025 · small accounts
- Net Assets
- (£1,531,300)
- Cash
- £1,001,530
- Profit
- (£3,484,754)
- Employees
- 51
- Debt Ratio
- 185%
- Current Ratio
- 2.1x
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | 2023 | |
|---|---|---|---|
| Fixed Assets | £41,667 | £12,340 | £12,734 |
| Current Assets | £1,769,833 | £5,188,959 | £625,215 |
| Cash | £1,001,530 | £4,499,431 | £88,667 |
| Creditors (< 1 year) | £842,800 | £698,309 | £424,189 |
| Creditors (> 1 year) | £2,500,000 | £2,500,000 | £35,585 |
| Net Current Assets | £927,033 | £4,490,650 | £201,026 |
| Net Assets | (£1,531,300) | £2,002,990 | £174,897 |
| Shareholder Funds | (£1,531,300) | £2,002,990 | £174,897 |
What Onsecurity Technology say about themselves
“Expert CREST-approved penetration testing services for UK businesses. Web app, network, cloud, mobile & phishing simulation. Get an instant pen test quote in 60 seconds.”
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 9 November 2026 | Statement of capital following an allotment of shares |
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