Filing status
- Accounts due
- 31 July 2027
- Last accounts
- 31 October 2025
- Conf. stmt due
- 2 October 2027
- Last conf. stmt
- 18 September 2026
S Xpress Bio Limited
- Incorporated
- 19 September 2019 (7 years)
- Previously known as
- Hydrogen Therapeutics Limited (until 13 February 2025)Helium TX Limited (until 28 April 2021)This list may be incomplete. See all names on Companies House
- Industry
- Research and experimental development on biotechnology (72110)
- Owned by
- Accounts type
- Total exemption full
- Region
- East of England
- Address
- C/o The Cambridge Partnership LtdThe Dorothy Hodgkin BuildingBabraham Research CampusBabrahamCambridgeCB22 3FH
Officers
Not loaded yet. See them on Companies House
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Limited Company
Reg. no. 12065441
Former controllers (1)
29 April 2020
Ceased David John Grainger — Owns 75–100% of shares
Group structure 10 companies
Ownership group derived from the Companies House PSC register
Elements Squared Limited Owns 25–50% of shares
A Bio Limited Owns 25–50% of shares
Ampkine Limited Owns 25–50% of shares
GXS Therapeutics Limited Owns 25–50% of shares
S Xpress Bio Limited This company Owns 75–100% of shares
Rxcelerate Limited Owns 25–50% of shares
Methuselah Health UK Limited Owns 75–100% of shares
Rxbiologics Limited Owns 75–100% of shares
The Cambridge Partnership Limited Owns 75–100% of shares
Financials
Balance sheet as at 31 October 2025 · total exemption full accounts
- Cash
- £18,750
- Employees
- 2
- Current Ratio
- 15.6x
Trend
Shareholder Funds
Balance sheet detail
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Current Assets | £35,001 | £55,762 | £57,455 | £58,634 | £60,898 | £89,981 |
| Debtors | £16,251 | £10,800 | £11,268 | £100 | £559 | £18,948 |
| Cash | £18,750 | £44,962 | £46,187 | £58,534 | £60,339 | £71,033 |
| Creditors (< 1 year) | £2,249 | £1,000 | £1,231 | £0 | £1,745 | £22,440 |
| Net Current Assets | £32,752 | £54,762 | £56,224 | £58,634 | £59,153 | £67,541 |
| Shareholder Funds | £32,752 | £54,762 | £56,224 | £58,634 | £59,153 | £67,541 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 29 July 2026 | Total exemption full accounts | 31 October 2025 | ||
| 19 September 2025 | Confirmation statement with updates | 18 September 2025 | ||
| 30 June 2025 | Total exemption full accounts | 31 October 2024 | ||
| 19 February 2025 | Change of share class name or designation | |||
| 19 February 2025 | Change of share class name or designation |
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