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Black Cat Bio Limited

12370896

active
ltd
england wales
Companies House
Health Score
90 / 100

Healthy

30/30
Filing
20/30
Financial
40/40
Risk

No risk factors detected.

Details

124 City Road, London, EC1V 2NX
Incorporated 19/12/2019

Compliance

Last accounts

31/12/2025

micro entity

Next accounts due

30/09/2027

On track

Confirmation statement

Last: 01/11/2025

Due 15/11/2026

On track

Industry

72110
Research and experimental development on biotechnology

Officers

Mr Stephen Patrick Wolstenhulme

director · Since 19/12/2019

STOCKBROKER

BRITISH · ENGLAND · Age 55

Also on 4 other boards

Miss Zhang Chen

director · Since 01/07/2020

INTERNATIONAL BUSINESS MANAGER

CHINESE · ENGLAND · Age 37

Stephen Patrick Wolstenhulme

director · Since 19/12/2019

British · England · Age 55

Zhang Chen

director · Since 01/07/2020

Chinese · England · Age 37

Persons with Significant Control

Mr Stephen Patrick Wolstenhulme

75–100% shares
75–100% votes
Appoint directors

British · England · Age 55

124, City Road, London, EC1V 2NX

Notified 19/12/2019

Change History

statusactive
2026-08-21

Active

typeltd
2026-08-21

Private Limited Company

address line1124 City Road
2026-08-21

124 CITY ROAD

post townLondon
2026-08-21

LONDON

officer appointedCHEN, Zhang
2026-08-21
officer appointedWOLSTENHULME, Stephen Patrick
2026-08-21

CompanyRankvs 1614+ SIC 72110 peers
70

Financial strength84th percentile among SIC peers · 21/25
Employees48th percentile among SIC peers · 7/15
LiquidityCurrent ratio Infinity× · 20/20
Longevity7 years trading (max 15) · 7/15
Filing complianceAll filings up to date · 15/15
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How is this score calculated?
Financial strength21/25 pts

Net worth compared to all companies in the same SIC code with published accounts. Top quartile earns the full 25 points.

Employees7/15 pts

Workforce size relative to sector peers from the most recent accounts. A larger team generally signals commercial scale.

Liquidity20/20 pts

Current assets ÷ current liabilities. A ratio above 2× earns full marks; between 1–2× scores partially; below 0.5× scores minimal points.

Longevity7/15 pts

One point per year of operation since incorporation, capped at 15. Older companies have a proven track record.

Filing compliance15/15 pts

Full 15 points when both annual accounts and confirmation statement are filed on time. Points are deducted for each overdue filing.

Maximum score is 100. Deductions apply for insolvency history, outstanding charges, going concern doubt, or disqualified officers.

Key FinancialsYear ending 31/12/2025

Net Worth

£180k

Balance sheet strength

Cash

Cash in the bank

Net Current Assets

£10k

Working capital

Current Assets

£8k

Current Liabilities

£0

1avg. employees

Balance Sheet

Assets less current liabilities£10k
Prepared with Companies House

EstimatesDerived

YearCurrent RatioImplied Profit
2025Infinity+£0
2025Infinity+£25k
20240.20+£36k
20230.01

Derived from filed accounts. Not audited figures.