£1.39m
+58%vs Mar 2024Active01316635Private limited companySouthampton
MARINE ELECTRONIC SYSTEMS LIMITED
Significant control: Mes Group (Southern) Limited (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Marine Electronic Systems Limited sell?
Registered activity: Other professional, scientific and technical activities n.e.c. (SIC 74909). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MARINE ELECTRONIC SYSTEMS LIMITED is an active private limited company (company number 01316635) incorporated on 10 June 1977, registered in Southampton. Its registered activity is other professional, scientific and technical activities n.e.c. (SIC 74909). Latest small accounts cover the period ending 31 March 2025, showing net assets of £1.39m and cash of £785k, with 16 employees on average. Net assets rose 58% on the prior period (£884k).
Peer position · net assets
By net assets it sits in the top quarter of 544 comparable companies in Southampton (median £9,357, upper quartile £51k).
02
Ownership and control
- Mes Group (Southern) Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mes (Holdings) Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 10 June 197749 yrs ago
- Next accounts due
- 31 December 2026in 65 days
- Confirmation statement due
- 24 June 2027in 240 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 74909
- Other professional, scientific and technical activities n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£785k
+42%vs Mar 2024Not reported
16
+7%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £1.39m | £785k | £1.24m | £681k | — | — | 16 |
| 31 March 2024 | £884k | £552k | £1.04m | — | — | — | 15 |
Current ratio3.02Current assets ÷ creditors within one year
Cash per employee£49kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £1,392,484 at 31 March 2025
- Net assets up 10% or more on the prior period+57.6% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 3.02
- Cash at bank of £50,000 or moreCash £785,352
- Incorporated five or more years agoIncorporated 10 June 1977
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Confirmation statement duein 240 days
- Next accounts duein 65 days
- Accounts period endNet assets £1.39m · small accounts
- Accounts period endNet assets £884k · small accounts
- Incorporated
08
Similar companies in Southampton
- MACALISTER ELLIOTT & PARTNERS LIMITEDLymington · inc. Jun 1977
- TRESTAN FINISHERS LIMITEDWoolston · inc. Jan 1978
- BLUE DIAMOND TECHNOLOGIES LIMITEDEastleigh · inc. Jun 1978
- BOTHWELL LANGDON ASSOCIATES LIMITEDSouthampton · inc. Feb 1979
- CONTROL UNION (UK) LIMITEDWinchester · inc. Oct 1973
- CHRIS ELGOOD ASSOCIATES LIMITEDWinchester · inc. Nov 1972
All companies incorporated on 10 June 1977 · in Jun 1977.
09
Reminders for MARINE ELECTRONIC SYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.