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Company

Kiniksa Pharmaceuticals (UK), LTD.

Kiniksa Pharmaceuticals (UK), LTD. is an active UK company (number 11716038), incorporated 2018, with 2 current directors, Mark Anthony Ragosa and Rebecca Claire Hamilton. Source: Companies House, updated 4th October 2026.

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Official record Companies House · updated 4th October 2026 · Sources

Network

The large node is Kiniksa Pharmaceuticals (UK), LTD.. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 9

  1. Madelyn Demsky Zeylikman 2021-2025 Director View profile
  2. Adam William Burgess 2021-2025 Director View profile
  3. Sanjiv Patel 2021-2023 Director View profile
  4. Ross Michael Moat 2020-2024 Director View profile
  5. Dr Qasim Raza Rizvi 2020-2021 Director View profile
  6. Stephen Mahoney 2018-2019 Director View profile
  7. Thomas Beetham 2018-2021 Director View profile
  8. Christopher Heberlig 2018-2020 Director View profile
  9. Thomas Beetham 2018-2021 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
06/12/2018

Ownership

Owned by (1) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.

Group

  1. Kiniksa Pharmaceuticals (UK), LTD. is controlled by Kiniksa Pharmaceuticals International, PLC
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2024-06-27 · source: Companies House PSC register
  2. Kiniksa Pharmaceuticals International, PLC is controlled by Felix James Baker
    Evidence
    active 25-50% shares · notified 2024-06-27 · source: Companies House PSC register

Ultimately controlled by Felix James Baker.

1 other company in this group

Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.

Board analysis

Board DNA

How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.

2 directors on the board

5.2y median 5.2y
average tenure
5.4y
longest tenure
0
directors past 6 years

First-time vs portfolio directors

First-time (1)

Portfolio (1)

0
also govern a charity
2
left in the last 12 months

Sources

Official record from Companies House. Governance Register calculates the connections.

Record details
Company number
11716038
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 4th October 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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