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Company

Cumulus Oncology Limited

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

Network

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

Who leads it

Previous officers 10

  1. Dr Timothy Jason Sparey 2023-2025 Director View profile
  2. Clare Louise Doris 2022-2025 Director View profile
  3. Dr Russell George Greig 2022-2024 Director View profile
  4. Dr Sally Christina Waterman 2021-2025 Director View profile
  5. Professor Steven Howell 2021-2022 Director View profile
  6. Dr Diane Seimetz 2021-2025 Director View profile
  7. Dr Nicola Ann Broughton 2021-2023 Director View profile
  8. Alan Wise 2020-2021 Director View profile
  9. Julia Mary Brown 2020-2022 Director View profile
  10. Simon Philip Platt 2020-2023 Secretary View profile

Directors and secretaries as filed at Companies House.

Do you help lead this organisation? Set up its network · How it works

About

Incorporated
13/11/2017

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.

  • Scottish National Investment Bank PLC
    25-50% shares · notified 2025-03-07
  • Scottish Investments Limited ceased 2025-03-07
    25-50% shares, 25-50% voting · notified 2023-12-20
  • Possible match - 2 people share this nameiPossible matchThis PSC filing could not be confirmed to one individual - 2 people share this name on the public record. Not shown as confirmed ownership.

Group

  1. Cumulus Oncology Limited is controlled by Clare Wareing
    Evidence
    ceased 25-50% shares, 25-50% voting · notified 2017-11-13, ceased 2023-12-20 · source: Companies House PSC register

Ultimately controlled by Clare Wareing.

2 other companies 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.

6 directors on the board

4.3y median 4.1y
average tenure
8.7y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (2)

Portfolio (4)

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 5Finance 2Business services 1Construction 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.

Gaps to watch

  • Several long-serving directors could step down together
  • Narrow spread of sectors across the board

Where to look Suggested search: succession planning for long-tenured seats; directors from a wider range of sectors.

Sources

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

Record details
Company number
SC581311
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 4th October 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data