Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 28 November 2026
- Last conf. stmt
- 14 November 2025
Kiniksa Pharmaceuticals (UK), Ltd.
- Incorporated
- 6 December 2018 (7 years)
- Industry
- Manufacture of basic pharmaceutical products (21100)
- Directors
- Mark Anthony RagosaRebecca Claire Hamilton
- Owned by
- Kiniksa Pharmaceuticals International, PLC
- Accounts type
- Audit exemption subsidiary
- Region
- Greater London
- Address
- 105 PiccadillySecond FloorLondonW1J 7NJ
Officers 3 active
Officer details are public data from the Companies House register.
Barry, Douglas
Secretary · Appointed 17 September 2025
Ragosa, Mark Anthony
Director · Appointed 11 June 2021
American
Born April 1974 (52)
Hamilton, Rebecca Claire
Director · Appointed 8 March 2021
British
Born June 1981 (45)
Officer history (11 former)
17 September 2025
Resigned Zeylikman, Madelyn Demsky as Secretary
17 September 2025
Appointed Barry, Douglas as Secretary
12 September 2025
Resigned Burgess, Adam William as Director
1 August 2024
17 February 2023
Resigned Patel, Sanjiv as Director
11 June 2021
Resigned Zeylikman, Madelyn Demsky as Director
11 June 2021
Appointed Zeylikman, Madelyn Demsky as Secretary
11 June 2021
Appointed Zeylikman, Madelyn Demsky as Director
11 June 2021
Resigned Beetham, Thomas as Director
11 June 2021
Resigned Beetham, Thomas as Secretary
11 June 2021
Appointed Ragosa, Mark Anthony as Director
8 March 2021
Appointed Burgess, Adam William as Director
8 March 2021
Appointed Hamilton, Rebecca Claire as Director
19 January 2021
Resigned Rizvi, Qasim Raza, Dr as Director
19 January 2021
Appointed Patel, Sanjiv as Director
2 December 2020
20 March 2020
Appointed Rizvi, Qasim Raza, Dr as Director
20 March 2020
Resigned Heberlig, Christopher as Director
15 November 2019
Resigned Mahoney, Stephen as Director
29 January 2019
6 December 2018
6 December 2018
Appointed Mahoney, Stephen as Director
6 December 2018
Appointed Heberlig, Christopher as Director
6 December 2018
Appointed Beetham, Thomas as Secretary
6 December 2018
Appointed Beetham, Thomas as Director
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Kiniksa Pharmaceuticals International, PLC
Corporate entity · Notified 27 June 2024
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Public Limited Company
Former controllers (1)
27 June 2024
Ceased Kiniksa Pharmaceuticals, Ltd. — Owns 75–100% of shares
Financials
Figures from 2020 accounts. Newer accounts, made up to 31 December 2025, are filed but not read yet. See them on Companies House
- Net Assets
- £65,807
- up £44,611 (210%)
- Cash
- £41,916
- up £23,585 (129%)
- Employees
- 2
- no change
- Debt Ratio
- 92%
- Current Ratio
- 1.6x
Trend
Shareholder Funds
Balance sheet detail
| 2020 | 2019 | |
|---|---|---|
| Fixed Assets | £46,112 | £28,254 |
| Current Assets | £764,956 | £236,478 |
| Debtors | £723,040 | £218,147 |
| Cash | £41,916 | £18,331 |
| Creditors (< 1 year) | £484,425 | £243,536 |
| Creditors (> 1 year) | £260,836 | |
| Net Current Assets | £280,531 | (£7,058) |
| Net Assets | £65,807 | |
| Shareholder Funds | £65,807 | £21,196 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 6 November 2026 | Accounts filing | |||
| 6 November 2026 | Audit exemption subsidiary accounts | 31 December 2025 | ||
| 16 October 2026 | Other filing | |||
| 16 October 2026 | Other filing | |||
| 28 November 2025 | Director's details changed |
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