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Mercury Computer Systems Limited

Mercury Computer Systems Limited is an active UK company (number 03420190), incorporated 1997, with 4 current directors including Moussa Cissoko and David Edward Farnsworth. Source: Companies House, updated 11th October 2026.

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Official record Companies House · updated 11th October 2026 · Sources · Free, no card or password

Network

The large node is Mercury Computer Systems Limited. Red nodes are organisations, white nodes are people. Dashed links are historical or inferred. Click any node to explore.

Who leads it

Previous officers 16

  1. Michael Ruppert 2021-2023 Director View profile
  2. Christopher Cambria 2021-2024 Director View profile
  3. Didier Thibaud 2006-2021 Director View profile
  4. Robert Edward Hult 2005-2012 Director View profile
  5. Alex Neal Braverman 2005-2007 Director View profile
  6. Bruce Anthony Macpherson 2004-2007 Director View profile
  7. Joseph Hartnett 2003-2005 Director View profile
  8. John Alexander Ii 2002-2003 Director View profile
  9. Alfred Lloyd Simensen 1999-2005 Director View profile
  10. Mead Wyman 1997-2002 Director View profile
  11. Graham Smith 1997-1999 Director View profile
  12. James Bertelli 1997-2006 Director View profile
  13. Andrew Pine 1997-2004 Director View profile
  14. Philip Richard Morris 2007-2024 Secretary View profile
  15. Jennifer Susan Moss 1998-2007 Secretary View profile
  16. BRP Secretaries Limited 1997-1998 Corporate-secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
15/08/1997

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.

  • Didier Thibaud ceased 2022-01-01
    significant influence · notified 2016-04-06
  • Possible match - name could not be confirmed to one individualiPossible matchThis PSC filing could not be confirmed to one individual. Not shown as confirmed ownership.

Group

  1. Mercury Computer Systems Limited is controlled by Didier Thibaud
    Evidence
    ceased significant influence · notified 2016-04-06, ceased 2022-01-01 · source: Companies House PSC register

Ultimately controlled by Didier Thibaud.

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.

4 directors on the board

1.6y median 1.8y
average tenure
1.8y
longest tenure
0
directors past 6 years

First-time vs portfolio directors

First-time (3)

Portfolio (1)

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 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

  • No director brings board experience from anywhere else
  • Narrow spread of sectors across the board

Where to look Suggested search: a director with board experience elsewhere; directors from a wider range of sectors.

Sources

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

Record details
Company number
03420190
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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