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Company

Transonics Limited

Transonics Limited is an active UK company (number 01280694), incorporated 1976, with 3 current directors including Jonathan Isaac French and Joseph Shalom Benjamin Leigh. Source: Companies House, updated 11th October 2026.

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Official record Companies House · updated 11th October 2026 · Sources

Network

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

Who leads it

Previous officers 4

  1. Daniel Alex French 1996-2025 Director View profile
  2. Henry French 1996 Director View profile
  3. Alan Howard French 2017 Director View profile
  4. Marie French 1996 Director View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
07/10/1976

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. Transonics Limited is controlled by Castello Holding Company Limited
    Evidence
    active 75-100% shares, 75-100% voting · notified 2016-04-06 · source: Companies House PSC register
  2. Castello Holding Company Limited is controlled by Jonathan Isaac French
    Evidence
    active 75-100% shares, 25-50% voting · notified 2016-04-06 · source: Companies House PSC register

Ultimately controlled by Jonathan Isaac French.

6 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.

3 directors on the board

11.2y median 1.7y
average tenure
30y
longest tenure

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.

Manufacturing 2Tech and media 2Finance 1Professional services 1Property 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
01280694
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 11th October 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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