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Company

Circadian Therapeutics Limited

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Official record Companies House · updated 27th September 2026 · Sources

Network

The large node is Circadian Therapeutics Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 6

  1. Dr Mark Raymond Sampson 2020-2022 Director View profile
  2. Dr Glenn Robert Leighton 2020-2024 Director View profile
  3. Dr Tinashe Brian Chandauka 2020-2021 Director View profile
  4. Nigel Anthony Jones 2017-2019 Director View profile
  5. Dr Christopher Paul Blackwell 2016-2018 Director View profile
  6. Zachary Brit Yerushalmi 2016-2020 Director View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
18/07/2016

Ownership

Owned by (2) 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.

  • Russell Foster ceased 2016-09-12
    75-100% shares, 75-100% voting, appoints directors · notified 2016-07-18 - confirmed: also a director of this company
  • Oxford Science Enterprises PLC
    75-100% shares, 75-100% voting · notified 2016-09-12

Group

  1. Circadian Therapeutics Limited is controlled by Russell Foster
    Evidence
    ceased 75-100% shares, 75-100% voting, appoints directors · notified 2016-07-18, ceased 2016-09-12 · source: Companies House PSC register

Ultimately controlled by Russell Foster.

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.

Financials

Total assets
£717
Employees
0.01
Turnover
Not reported (small or micro-entity accounts)

Filed as Micro-entity accounts.

Figures from accounts filed at Companies House (iXBRL), period ending 2025-12-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.

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.

5 directors on the board

5.6y median 4.9y
average tenure
10y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (2)

Portfolio (3)

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

Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.

Professional services 9Manufacturing 1Retail and trade 1Tech and media 1

The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.

Sources

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

Record details
Company number
10283353
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 27th September 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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