The Firmwatch take
Ptt Bio Limited (14690492) currently shows: Watch signal detected, based on accounts to 31 December 2024; last refreshed 24 May 2026. Cautionary signals appear on this company's public record.
Companies House source·Accounts to 31 Dec 2024·Refreshed 24 May 2026·Methodology and caveats
Firmwatch signals are generated from public filings and are not credit ratings or financial advice.
Incorporated
27 February 2023
3 years on the register
Sector
Scientific research and development
SIC 72110 · matched to division
Size
Not classified
Net assets
£1
£1
Cash at bank
Not disclosed
Not required for this filing type
Latest filing
None yet
Insolvency risk
Worth watching
The latest public accounts contain some cautionary signs, but not enough to suggest severe distress on their own.
Thin net asset buffer
The company reports a small visible net asset position.
Money
What the balance sheet says
Net assets
£1
Cash
Not disclosed
Working cap.
Not disclosed
Current ratio
—
Signals · 1
Positive net assets
The latest filed accounts show assets exceeding liabilities.
People
Who runs this company
- MT
MCCARTHY, Thomas David, Dr
director · since 2023
Registered office
Address intelligence
71 other companies use this address.
High-volume registered-office service. Many UK companies use these legitimately, but they are also a known hosting location for shell entities. Treat this as a flag, not a verdict.
Address pattern · OX14 4RY
71 other UK companies registered at this postcode.
Active
68
Dissolved
3
Strike-off action
0
Firmwatch turns UK Companies House filings into plain-English company intelligence. Data is refreshed daily; signals are generated from public balance-sheet and filing patterns.