Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 3 December 2026
- Last conf. stmt
- 19 November 2025
Abingworth Avillion Blocker Limited
- Incorporated
- 19 November 2012 (13 years)
- Industry
- Activities of venture and development capital companies (64303)
- Owned by
- Accounts type
- Total exemption full
- Region
- Greater London
- Address
- 1 St. James's MarketLondonSW1Y 4AH
Officers 5 active
Officer details are public data from the Companies House register.
Director · Appointed 21 July 2025
Irish
Born February 1985 (41)
O'Reilly, Emma Jane
Secretary · Appointed 21 July 2025
Director · Appointed 25 March 2025
American
Born July 1975 (51)
Director · Appointed 25 March 2025
American
Born October 1983 (43)
Director · Appointed 25 March 2025
British
Born April 1980 (46)
Officer history (5 former)
21 July 2025
21 July 2025
Appointed O'Reilly, Emma Jane as Secretary
21 July 2025
Resigned Heard, John as Secretary
21 July 2025
25 March 2025
25 March 2025
25 March 2025
25 March 2025
25 March 2025
26 September 2023
2 December 2019
2 December 2019
19 November 2012
19 November 2012
19 November 2012
Appointed Heard, John as Secretary
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 6 April 2016
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Limited Partnership
Reg. no. Sl010733
Holdings 1
Companies where Abingworth Avillion Blocker Limited is registered as a person with significant control
Right to 25–50% of surplus assets
Dissolved
Group structure 11 shown
Ownership group derived from the Companies House PSC register
Abingworth CCD 2 General Partner LLP Holds 25–50% of voting rights
Abingworth Clinical Co-Development Fund 2 GP LP Right to appoint and remove a person
Abingworth General Partner 8 LLP Holds 25–50% of voting rights
Abingworth Bioventures 8 GP LP Right to appoint and remove a person
Cytospire Therapeutics Limited Owns 25–50% of shares
Abingworth General Partner VI LLP Holds 75–100% of voting rights
Abingworth Bioventures VI GP LP Right to appoint and remove a person
Abingworth Avillion Blocker Limited This company Owns 75–100% of shares
Abingworth General Partner Vii LLP Holds 25–50% of voting rights
Abingworth Bioventures Vii GP LP Right to appoint and remove a person
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 3 November 2026 | Total exemption full accounts | 31 December 2025 | ||
| 2 December 2025 | Confirmation statement with no updates | 19 November 2025 | ||
| 30 October 2025 | Total exemption full accounts | 31 December 2024 | ||
| 21 July 2025 | Termination of appointment of a secretary | |||
| 21 July 2025 | Appointment of a secretary |
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