ANTIBODY ANALYTICS LIMITED
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Cash
£2.5M
-16.7% vs 2024
Net assets
£3.9M
+61.5% highest in 4 filed years
Employees
108
+6.9% highest in 4 filed years
Profit before tax
£577K
+182.9% vs 2024
Net assets
4-year trend · vs Industrials median
Accounts
4-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31
| Metric | Trend | 2020-12-31 | 2021-12-31 | 2024-12-31 | 2025-12-31 | Δ vs prior |
|---|---|---|---|---|---|---|
| Turnover | — | — | £7,256,784 | £11,219,763 | +54.6% | |
| Operating profit | — | — | -£629,719 | £638,325 | +201.4% | |
| Profit before tax | — | — | -£696,540 | £577,371 | +182.9% | |
| Net profit | — | — | -£673,921 | £1,497,064 | +322.1% | |
| Cash | £964,183 | £842,559 | £3,005,637 | £2,503,374 | -16.7% | |
| Total assets less current liabilities | £1,364,757 | £1,970,606 | £2,731,126 | £10,313,779 | +277.6% | |
| Net assets | £298,893 | £846,155 | £2,433,190 | £3,930,254 | +61.5% | |
| Equity | — | — | £2,433,190 | £3,930,254 | +61.5% | |
| Average employees | 44 | 60 | 101 | 108 | +6.9% | |
| Wages | — | — | £4,086,601 | £4,916,330 | +20.3% | |
| Directors' remuneration | — | — | £324,246 | £343,819 | +6% |
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 | 2020-12-31 | 2021-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|---|
| Operating margin | — | — | -8.7% | 5.7% | |
| Net margin | — | — | -9.3% | 13.3% | |
| Return on capital employed | — | — | -23.1% | 6.2% | |
| Gearing (liabilities / total assets) | — | — | 79.3% | 69.6% | |
| Current ratio | 1.66x | 1.59x | 0.60x | 2.21x | |
| Interest cover | — | — | -6.93x | 6.94x |
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
- Reporting scope
- Standalone (parent only)
- Auditor
- Azets Audit Services
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“In auditing the financial statements, we have concluded that the directors' use of the going concern basis of accounting in the preparation of the financial statements is appropriate.”
Group structure
- ANTIBODY ANALYTICS LIMITED · parent
- Rouken Bio Limited 100%
Significant events
- “The company invested significantly in both people and infrastructure.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
3 active · 4 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| DOWNIE, Michahaila Julia | Director | 2015-11-24 | Jul 1978 | British |
| MCDONALD, Alan Thomas | Director | 2024-05-03 | Feb 1980 | British |
| UPSALL, Andrew Richard | Director | 2016-01-11 | Sep 1979 | British |
Show 4 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| COSEC LIMITED | Corporate Secretary | 2015-11-24 | 2015-11-24 |
| BARON, Andrew Wiliam, Dr | Director | 2016-01-11 | 2019-05-08 |
| MCMEEKIN, James Stuart | Director | 2015-11-24 | 2015-11-24 |
| COSEC LIMITED | Corporate Director | 2015-11-24 | 2015-11-24 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Project Steel Acquireco Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2023-10-12 | Active |
| Miss Michahaila Julia Downie | Individual | Shares 25–50%, Voting 25–50% | 2016-04-06 | Ceased 2023-10-12 |
| Mr Andrew Richard Upsall | Individual | Shares 25–50%, Voting 25–50% | 2016-04-06 | Ceased 2023-10-12 |
Filing timeline
Last 20 of 76 total filings
Material constitutional events — rename, articles re-file, resolution
- 2023-12-20 RESOLUTIONS Resolution
- 2023-11-09 MA Memorandum articles
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-05-21 | AA | accounts | Accounts with accounts type full | |
| 2025-12-03 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2025-09-08 | AA | accounts | Accounts with accounts type full | |
| 2024-12-04 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2024-09-26 | PSC05 | persons-with-significant-control | Change to a person with significant control | |
| 2024-09-26 | CH01 | officers | Change person director company with change date | |
| 2024-09-26 | AD01 | address | Change registered office address company with date old address new address | |
| 2024-09-26 | CH01 | officers | Change person director company with change date | |
| 2024-09-26 | CH01 | officers | Change person director company with change date | |
| 2024-09-23 | AA | accounts | Accounts with accounts type total exemption full | |
| 2024-05-16 | AP01 | officers | Appoint person director company with name date | |
| 2023-12-20 | RESOLUTIONS | resolution | Resolution | |
| 2023-12-04 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2023-11-27 | SH06 | capital | Capital cancellation shares | |
| 2023-11-27 | SH03 | capital | Capital return purchase own shares | |
| 2023-11-27 | SH03 | capital | Capital return purchase own shares | |
| 2023-11-09 | MA | incorporation | Memorandum articles | |
| 2023-11-09 | PSC02 | persons-with-significant-control | Notification of a person with significant control | |
| 2023-11-08 | SH01 | capital | Capital allotment shares | |
| 2023-11-08 | PSC07 | persons-with-significant-control | Cessation of a person with significant control |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 3
- 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.