BIOSITE SECURITY LTD
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Cash
£3.5k
-99.1% vs 2024
Net assets
£3.5k
-97.3% first positive since 2023
Employees
16
-71.4% lowest in 6 filed years
Profit before tax
-£129k
-122.9% vs 2024
Net assets
6-year trend · vs Industrials median
Accounts
6-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31
| Metric | Trend | 2020-07-31 | 2021-07-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 | Δ vs prior |
|---|---|---|---|---|---|---|---|---|
| Turnover | £4,407,080 | £3,581,094 | £4,806,816 | £3,818,880 | £5,273,385 | £1,214,760 | -77% | |
| Operating profit | £177,044 | -£209,400 | -£279,154 | -£146,015 | £555,724 | -£136,698 | -124.6% | |
| Profit before tax | £176,882 | -£209,884 | -£279,624 | -£144,531 | £562,124 | -£128,773 | -122.9% | |
| Net profit | £176,882 | -£209,884 | -£279,624 | -£144,531 | £562,124 | -£128,773 | -122.9% | |
| Cash | £298 | £43,584 | £125,048 | £154,997 | £391,044 | £3,503 | -99.1% | |
| Total assets less current liabilities | £204,228 | -£5,656 | -£285,280 | -£429,811 | £132,312 | £3,540 | -97.3% | |
| Net assets | £204,228 | -£5,656 | -£285,280 | -£429,811 | £132,312 | £3,540 | -97.3% | |
| Equity | £204,228 | -£5,656 | -£285,280 | — | £132,312 | £3,540 | -97.3% | |
| Average employees | 79 | 84 | 59 | 56 | 56 | 16 | -71.4% | |
| Wages | £2,033,894 | £2,040,170 | — | — | — | — | — | |
| Directors' remuneration | — | — | — | — | — | — | — |
Values shown as filed in the company's annual accounts. — indicates the figure wasn't present under that line item in that period. The Δ column is the change from the prior filed period as a percentage of |prior|; lines a company doesn't report show —. About these numbers
Ratios
Computed from the line items above — sparklines read oldest → newest
| Ratio | Trend | 2020-07-31 | 2021-07-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|---|---|---|
| Operating margin | 4.0% | -5.8% | -5.8% | -3.8% | 10.5% | -11.3% | |
| Net margin | 4.0% | -5.9% | -5.8% | -3.8% | 10.7% | -10.6% | |
| Return on capital employed | 86.7% | — | — | — | 420.0% | — | |
| Gearing (liabilities / total assets) | 77.4% | 101.5% | 166.6% | 205.8% | 86.7% | 0.0% | |
| Current ratio | — | — | — | — | 1.15x | — |
Margins divide P&L lines by turnover. Gearing is liabilities over total assets. Current ratio is current assets over creditors falling due within one year. Interest cover is operating profit over absolute finance costs. Sector-distribution context coming next.
Audit & accounting basis
- Accounting basis
- FRS 102 §1A
- Reporting scope
- Standalone (parent only)
- Auditor
- Forvis Mazars LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“Directors have made the decision to cease operation during 2025, however financial statements have been prepared on going concern basis as the directors have received a letter of support from Pattern Analytics Ltd, the immediate parent company, confirming it will continue to provide”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
3 active · 11 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| EASTBURN, Richard Melvyn | Director | 2025-03-17 | Feb 1974 | British |
| LEIGHTON, Claire Sally | Director | 2022-01-28 | Aug 1974 | British |
| REID, Steven Robert | Director | 2022-01-28 | Apr 1971 | British |
Show 11 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| ASARNOJ, Samuel Erik Johannes | Director | 2020-02-07 | 2021-12-23 |
| BRYANT, Michael Thomas | Director | 2023-06-05 | 2025-03-31 |
| BRYANT, Michael Thomas | Director | 2016-07-05 | 2020-02-07 |
| LINDHOLM, Marina Kristina Agneta | Director | 2020-02-07 | 2020-03-04 |
| OAKLEY, Simon Richard | Director | 2016-02-09 | 2016-07-05 |
| RIMMINGTON, Michael Charles | Director | 2023-06-06 | 2023-06-30 |
| RIMMINGTON, Michael Charles | Director | 2022-02-21 | 2023-06-06 |
| SUT, Christophe Philippe | Director | 2020-02-07 | 2021-09-30 |
| TUNBERG, Catharina Eva | Director | 2020-03-04 | 2022-01-21 |
| WANG, Li, Dr | Director | 2015-02-24 | 2022-02-20 |
| WILLIAMS, Ederyn, Dr | Director | 2016-06-21 | 2017-11-10 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Pattern Analytics Ltd | Corporate entity | Shares 75–100% | 2016-04-06 | Active |
Filing timeline
Last 20 of 59 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-09-29 | AA | accounts | Accounts with accounts type full | |
| 2026-02-10 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-12-23 | CH01 | officers | Change person director company with change date | |
| 2025-11-27 | AD01 | address | Change registered office address company with date old address new address | |
| 2025-08-20 | AA | accounts | Accounts with accounts type small | |
| 2025-03-31 | TM01 | officers | Termination director company with name termination date | |
| 2025-03-27 | AP01 | officers | Appoint person director company with name date | |
| 2025-02-20 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-07-17 | AA | accounts | Accounts with accounts type full | |
| 2024-02-12 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2023-08-01 | AA | accounts | Accounts with accounts type full | |
| 2023-07-02 | TM01 | officers | Termination director company with name termination date | |
| 2023-06-07 | AP01 | officers | Appoint person director company with name date | |
| 2023-06-06 | TM01 | officers | Termination director company with name termination date | |
| 2023-06-05 | AP01 | officers | Appoint person director company with name date | |
| 2023-03-06 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2022-11-04 | AA01 | accounts | Change account reference date company current extended | |
| 2022-04-29 | AA | accounts | Accounts with accounts type full | |
| 2022-03-17 | TM01 | officers | Termination director company with name termination date | |
| 2022-03-17 | CS01 | confirmation-statement | Confirmation statement with no updates |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 4
- Capital events
- 0
- Officers appointed
- 0
- Officers resigned
- 0
last 12 months
last 24 months
last 12 months
last 12 months
Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.