MERCURY COMPUTER SYSTEMS LIMITED
Company details
- Registered name
- MERCURY COMPUTER SYSTEMS LIMITED
- Company number
- 03420190
- Registered office
- Unit 10, Easter Park Benyon Road, Silchester, Reading, RG7 2PQ, United Kingdom
- Company type
- Private limited company
- Incorporated on
- 15 August 1997
- Status
- Active
- Age
- 29 years
- Nature of business (SIC)
- 26200 — Manufacture of computers and peripheral equipment
- Accounts — next due
- 31 Mar 2027
- Accounts — last made up to
- 30 Jun 2025
- Confirmation statement — next due
- 29 Aug 2027
- Confirmation statement — last
- 15 Aug 2026
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- 1 of 1 registered charge outstanding — a lender has a claim over the assets.
Companies House register snapshot, read 02/09/2026.
Officers
5 active · 19 resigned
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Serving officers
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 24/11/2025 | Director appointed | — | CISSOKO, Moussa |
| 16/12/2024 | Director resigned | MORRIS, Philip Richard | — |
| 16/12/2024 | Director resigned | CAMBRIA, Christopher | — |
| 16/12/2024 | Secretary resigned | MORRIS, Philip Richard | — |
| 16/12/2024 | Director appointed | — | TANNER, Paul Nigel |
| 16/12/2024 | Director appointed | — | KUPINSKY, Stuart Howard, Mr. |
| 16/12/2024 | Director appointed | — | FARNSWORTH, David Edward |
| 16/12/2024 | Secretary appointed | — | KUPINSKY, Stuart Howard |
| 09/02/2023 | Director resigned | RUPPERT, Michael | — |
| 01/01/2022 | Person with significant control ceased | Mr Didier Thibaud | — |
| 09/09/2021 | Director appointed | — | RUPPERT, Michael |
| 09/09/2021 | Director appointed | — | CAMBRIA, Christopher |
| 26/08/2021 | Director resigned | THIBAUD, Didier | — |
| 06/04/2016 | Person with significant control ceased | Mr Philip Richard Morris | — |
| 06/04/2016 | Person with significant control added | — | Mercury Systems, Inc. |
| 06/04/2016 | Person with significant control added | — | Mr Philip Richard Morris |
| 06/04/2016 | Person with significant control added | — | Mr Didier Thibaud |
| 17/01/2012 | Director resigned | HULT, Robert Edward | — |
| 27/11/2007 | Director resigned | BRAVERMAN, Alex Neal | — |
| 20/08/2007 | Secretary resigned | MOSS, Jennifer Susan | — |
Financial highlights
No figures could be read from the accounts filed on 04 Apr 2026. Companies House holds some filings only as a document image, which carries no tagged figures; the filing itself is on the register either way.
Documents for MERCURY COMPUTER SYSTEMS LIMITED
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The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Filing history
Most recent filings
Charges
1 outstanding · 0 satisfied
Data protection register
Registered with the Information Commissioner's Office as a data protection fee payer.
The ICO publishes no company number, so this is matched on the registered name and confirmed by the postcode. Check the ICO entry before relying on it.
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About MERCURY COMPUTER SYSTEMS LIMITED (03420190)
MERCURY COMPUTER SYSTEMS LIMITED is a private limited company incorporated on 15 August 1997 and registered in the United Kingdom under company number 03420190. Its registered office is at Unit 10, Easter Park Benyon Road, Silchester, Reading, RG7 2PQ, United Kingdom. The recorded nature of business is manufacture of computers and peripheral equipment (SIC 26200). The company is currently active , with statutory accounts last made up to 30 June 2025. 24 active officers are on record , and the person with significant control is Mr Didier Thibaud. 1 outstanding charge is registered against it. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House , last refreshed 8 September 2026.
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