£2,359
−84%vs Dec 2024Active11340651Private limited companyLondon
RAINCASTLE BIO LIMITED
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Raincastle Bio Limited sell?
Registered activity: Management consultancy activities other than financial management (SIC 70229). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
RAINCASTLE BIO LIMITED is an active private limited company (company number 11340651) incorporated on 2 May 2018, registered in London. Its registered activity is management consultancy activities other than financial management (SIC 70229). Latest small accounts cover the period ending 31 December 2025, showing net assets of £2,359 and cash of £3,453, with 2 employees on average. Net assets fell 84% on the prior period (£15k).
Peer position · net assets
By net assets it sits in the lower half of 31,398 comparable companies in London (median £2,815, upper quartile £34k).
02
Ownership and control
No active person with significant control is registered.
- Dr Stefan Nardi-Hiebl
- owns 25–50% of shares
- holds 25–50% of voting rights
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 2 May 20188 yrs ago
- Next accounts due
- 30 September 2027in 337 days
- Confirmation statement due
- 16 May 2027in 200 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 70229
- Management consultancy activities other than financial management
- SIC 72110
- Research and experimental development on biotechnology
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£3,453
−2%vs Dec 2024Not reported
2
vs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £2,359 | £3,453 | £40 | — | — | — | 2 |
| 31 December 2024 | £15k | £3,535 | £47 | — | — | — | 0 |
Cash per employee£1,726Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £2,359 at 31 December 2025
- Net assets down 25% or more on the prior period-84.0% vs prior period
- Incorporated five or more years agoIncorporated 2 May 2018
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 337 days
- Confirmation statement duein 200 days
- Accounts period endNet assets £2,359 · small accounts
- Accounts period endNet assets £15k · small accounts
- Incorporated
08
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- HAPPY PLANET LIMITEDLondon · inc. May 2018
- DANSAM PROJECT CONSULTANCY LIMITEDLondon · inc. May 2018
All companies incorporated on 2 May 2018 · in May 2018.
09
Reminders for RAINCASTLE BIO LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.