Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 19 July 2027
- Last conf. stmt
- 5 July 2026
Nightstar Therapeutics Limited
- Incorporated
- 6 July 2017 (9 years)
- Industry
- Activities of other holding companies n.e.c. (64209) Research and experimental development on biotechnology (72110)
- Owned by
- Tungsten Bidco Limited
- Accounts type
- Small
- Region
- South East
- Address
- Building 5 Foundation ParkRoxborough WayMaidenheadSL6 3UD
Officers 3 active
Officer details are public data from the Companies House register.
Director · Appointed 14 July 2025
British
Born April 1982 (44)
Hanby, Helen Elizabeth
Secretary · Appointed 8 August 2019
Director · Appointed 7 June 2019
British
Born June 1966 (60)
Officer history (14 former)
14 July 2025
14 July 2025
15 June 2023
15 June 2023
24 April 2020
21 April 2020
31 January 2020
8 August 2019
Appointed Hanby, Helen Elizabeth as Secretary
11 June 2019
Resigned Yoon, Bryan as Secretary
7 June 2019
7 June 2019
7 June 2019
Resigned Cobb, Paula as Director
7 June 2019
7 June 2019
7 June 2019
7 June 2019
7 June 2019
Resigned Fellows, David Andrew as Director
7 June 2019
7 June 2019
Resigned Hollowood, Christopher as Director
12 September 2018
Appointed Cobb, Paula as Director
15 April 2018
28 February 2018
Appointed Yoon, Bryan as Secretary
28 February 2018
Resigned Cooley Services Limited as Corporate Secretary
15 September 2017
Appointed Cooley Services Limited as Corporate Secretary
7 September 2017
7 September 2017
7 September 2017
7 September 2017
7 September 2017
Appointed Hollowood, Christopher as Director
7 September 2017
6 July 2017
Appointed Fellows, David Andrew as Director
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Tungsten Bidco Limited
Corporate entity · Notified 7 June 2019
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Limited Company
Holdings 1
Companies where Nightstar Therapeutics Limited is registered as a person with significant control
Owns 75–100% of shares
Active
Former controllers (3)
7 June 2019
Ceased Syncona Limited — Owns 25–50% of shares
7 June 2019
Ceased David Andrew Fellows — Owns 75–100% of shares
6 July 2017
Ceased David Andrew Fellows — Owns 75–100% of shares
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 10 September 2026 | Director's details changed |
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