MARINER SYSTEMS (UK) LIMITED
Company number 03405814 · Monitor this company
Free AI analysis
Have an AI read this company's filings and write an assessment — financial health, risks, and what the numbers say.
Shareholders' funds
£5,402,732
Balance sheet as at 2025-09-30
Overview
- Company type
- Private Limited Company
- Incorporated
- 1997-07-21
- Employees
- 11 (2025 accounts)
- Registered office
- Oaklands Park, Wokingham, Berkshire, England, RG41 2FD
- Postcode
- RG41 2FD
- Capital
- 100 GBP
- Accounts category
- Total Exemption Full
- Charges
- 0 outstanding
Accounts
- Last made up to
- 2025-09-30
- Next due by
- 2027-06-30
- Financial year end
- 30 September
Confirmation statement
- Last statement dated
- 2026-08-01
- Next due by
- 2027-08-15
Nature of business (SIC)
- 62090 Other information technology service activities
Officers 2 current · 5 resigned
Data protection registration
Registered with the ICO as a data protection fee payer — ZA901022 (Tier 1), registered since 2021.
Information Commissioner's Office register of fee payers, licensed under the Open Government Licence.
Contact details
- Website
- marinersystems.com
Mariner Systems (UK) Ltd. design and manufacture a wide range of type-approved computer systems (HP hardware and Mariner Kits) in support of navigation, loading, control and general purpose for the marine industry. For all your marine computing requirements speak to Mariner Systems - we deal with all the major Classification Societies worldwide.
Previous registered addresses 5
| Address | Changed on |
|---|---|
| OAKLANDS PARK OAKLANDS PARK, WOKINGHAM, BERKSHIRE, RG41 2FD, ENGLAND | 2018-05-30 |
| MANOR HOUSE 1 THE CRESCENT, LEATHERHEAD, SURREY, KT22 8DY, ENGLAND | 2018-05-23 |
| MANOR HOUSE 1 THE CRESCENT, LEATHERHEAD, SURREY, KT22 8DH | 2016-07-25 |
| MANOR HOUSE 1 THE CRESCENT, LEATHERHEAD, SURREY, KT22 8DY, ENGLAND | 2016-07-25 |
| RYEBROOK STUDIOS, WOODCOTE SIDE, EPSOM, SURREY, KT18 7HD | 2014-11-25 |
Among its peers
Top 5%
by shareholders' funds, of 855 similar companies in RG
Among the biggest employers among its local peers (11 staff).
Among the oldest 25% of its local peers, trading since 1997.
No.15 of the largest other information technology service activities companies in Reading →
Competitors Reading
This company ranks 15 among other information technology service activities in Reading.
The class of 1997
28%
of the 1,323 companies in this sector incorporated in 1997 are still active today; 71% have since been dissolved.
A fact about the year, not a forecast for this company.
Property in England & Wales 5 titles
- Freehold
- 2
- Leasehold
- 3
- Most recent registration
- 2017-06-26
- Where
- Wokingham (4), County Durham (1)
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| BK272690 | Wokingham | Freehold | 2017-06-26 | — |
| BK272866 | Wokingham | Freehold | 2017-06-26 | — |
| DU360263 | County Durham | Leasehold | 2017-01-04 | — |
| BK414608 | Wokingham | Leasehold | 2007-07-06 | — |
| BK414611 | Wokingham | Leasehold | 2007-07-06 | — |
For addresses and the authoritative register entry, use HM Land Registry's official search (£3 per title).
Information produced by HM Land Registry. © Crown copyright 2026. Dataset as at 2026-08.