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Cash

£2.6M

Latest balance sheet

Net assets

£10M

Equity attributable

Employees

108

Average over period

Profit before tax

£549K

Period ending 2025-12-31

Accounts

2-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31

Metric Trend 2024-12-312025-12-31 Δ vs prior
Turnover £8,955,015£11,219,763
Operating profit -£571,655£609,947
Profit before tax -£640,289£548,993
Net profit -£617,670£1,483,280
Cash £3,128,283£2,617,199
Total assets less current liabilities £8,906,078£10,737,316
Net assets £8,608,142£10,208,389
Equity £8,608,142£10,208,389
Average employees 101108
Wages £4,977,401£4,933,297
Directors' remuneration £383,138£360,786

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 . Year-on-year comparison hidden: this filing covers about 12 months versus 16 months prior. About these numbers

Ratios

Computed from the line items above — sparklines read oldest → newest

Ratio Trend 2024-12-312025-12-31
Operating margin -6.4%5.4%
Net margin -6.9%13.2%
Return on capital employed -6.4%5.7%
Gearing (liabilities / total assets) 29.7%23.6%
Current ratio 1.66x2.25x
Interest cover -6.17x6.63x

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
Consolidated group
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. Based on the work we have performed, we have not identified any material uncertainties relating to events or conditions that, individually or collectively, may cast significant doubt on the group's and the company's ability to continue as a going concern for a period of at least twelve months from when the financial statements are authorised for issue.”

Group structure

  1. PROJECT STEEL ACQUIRECO LIMITED · parent
    1. Antibody Analytics Limited T/A RoukenBio 100% · Scotland · CRO providing immunology and bioassay services
    2. Rouken Bio Limited 100% · Scotland · dormant company

Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers

People

4 active · 0 resigned

Name Role Appointed Born Nationality
MAY, Liam Steven Director 2023-10-12 Nov 1985 British
MCCLUSKEY, Paul Director 2024-05-03 Dec 1963 British
MCDONALD, Alan Thomas Director 2024-05-03 Feb 1980 British
UPSALL, Andrew Richard Director 2023-08-29 Sep 1979 British

Ownership

Persons with significant control

Name Kind Nature of control Notified Status
Miss Michahaila Julia Downie Individual Shares 25–50%, Voting 25–50% 2023-10-16 Active
Northedge Capital Nominee Ltd Corporate entity Voting 25–50% 2023-10-12 Active
Andrew Richard Upsall Individual Shares 50–75%, Voting 50–75% 2023-08-29 Active

Filing timeline

Last 20 of 31 total filings

Material constitutional events — rename, articles re-file, resolution

  • 2025-07-09 MA Memorandum articles
  • 2025-07-09 RESOLUTIONS Resolution
Date Type Category Description
2026-05-21 AA accounts Accounts with accounts type group PDF
2025-09-29 PSC02 persons-with-significant-control Notification of a person with significant control PDF
2025-09-12 PSC04 persons-with-significant-control Change to a person with significant control PDF
2025-09-11 CS01 confirmation-statement Confirmation statement with updates PDF
2025-07-31 SH06 capital Capital cancellation shares
2025-07-28 SH06 capital Capital cancellation shares
2025-07-09 MA incorporation Memorandum articles
2025-07-09 SH01 capital Capital allotment shares PDF
2025-07-09 RESOLUTIONS resolution Resolution
2025-05-22 AA accounts Accounts with accounts type group PDF
2024-09-26 PSC04 persons-with-significant-control Change to a person with significant control PDF
2024-09-26 PSC04 persons-with-significant-control Change to a person with significant control PDF
2024-09-26 CH01 officers Change person director company with change date PDF
2024-09-26 AD01 address Change registered office address company with date old address new address PDF
2024-09-26 CH01 officers Change person director company with change date PDF
2024-09-26 CH01 officers Change person director company with change date PDF
2024-09-26 CH01 officers Change person director company with change date PDF
2024-09-17 AA01 accounts Change account reference date company current extended PDF
2024-09-02 PSC01 persons-with-significant-control Notification of a person with significant control PDF
2024-09-02 CS01 confirmation-statement Confirmation statement with updates PDF

Public-record activity

Raw counts from Companies House — last 12–24 months

Filings
9

last 12 months

Capital events
3

last 24 months

Officers appointed
0

last 12 months

Officers resigned
0

last 12 months

Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.

Official Companies House page