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Company · Stevenage

Swanbio Therapeutics Limited

Research and experimental development on biotechnology

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

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

Who leads it

Previous officers 11

  1. Dr John Tsai 2023-2024 Director View profile
  2. Alexander Brian Hamilton 2021-2024 Director View profile
  3. Patricia Allen 2021-2024 Director View profile
  4. Alison Lawton 2021-2024 Director View profile
  5. Danny Bar-Zohar 2020-2020 Director View profile
  6. Thomas D. Anderson 2019-2024 Director View profile
  7. Spyridon Papapetropoulos 2019-2019 Director View profile
  8. Anne Prener 2018-2020 Director View profile
  9. Dr Christopher John Hollowood 2018-2023 Director View profile
  10. Julius John Sheldon Knowles 2018-2023 Director View profile
  11. Rachel Lynn Salzman 2017-2018 Director View profile

Directors and secretaries as filed at Companies House.

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About

What it does
Research and experimental development on biotechnology
Incorporated
01/09/2017
Registered office
Stevenage
Previous names
Avistat BIO Limited (until 08/12/2017)
Avalon BIO Limited (until 24/10/2017)

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.

Group

  1. Swanbio Therapeutics Limited is controlled by Rachel Lynn Salzman
    Evidence
    ceased 25-50% shares, 25-50% voting · notified 2017-09-01, ceased 2018-02-02 · source: Companies House PSC register

Ultimately controlled by Rachel Lynn Salzman.

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.

3 directors on the board

2.3y median 2.3y
average tenure
2.3y
longest tenure
0
directors past 6 years

First-time vs portfolio directors

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.

Finance 5Professional services 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
10942620
Status
Active
Type
Private Limited Company
Accounts next due
30/09/2026
Edition
Register edition compiled 27th September 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