−£253
−140%vs Feb 2024Active14689888Private limited companySouthampton
MAC MARINE LTD
Significant control: Mathew Macdonald (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Other engineering activities (SIC 71129). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MAC MARINE LTD is an active private limited company (company number 14689888) incorporated on 27 February 2023, registered in Southampton. Its registered activity is other engineering activities (SIC 71129). Latest dormant accounts cover the period ending 28 February 2025, showing net assets of −£253 and cash of £6, with 1 employee on average. Net assets fell 140% on the prior period (£636).
Peer position · net assets
By net assets it sits in the bottom quarter of 185 comparable companies in Southampton (median £13k, upper quartile £55k).
02
Ownership and control
- Mr Mathew Macdonald
- 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
- 27 February 20233 yrs ago
- Next accounts due
- 28 November 2026in 35 days
- Confirmation statement due
- 13 March 2027in 140 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71129
- Other engineering activities
- Accounts type
- Dormant
- Size band
- MicroCompanies Act thresholds
05
Financials
£6
−89%vs Feb 2024Not reported
1
Not reported the period before| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 28 February 2025 | −£253 | £6 | — | — | — | — | 1 |
| 28 February 2024 | £636 | £53 | — | — | — | — | — |
Cash per employee£6Cash ÷ 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 below zeroNet assets £-253 at 28 February 2025
- Net assets down 25% or more on the prior period-139.8% vs prior period
- Incorporated two to five years agoIncorporated 27 February 2023
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 140 days
- Next accounts duein 35 days
- Accounts period endNet liabilities £253 · dormant accounts
- Accounts period endNet assets £636 · dormant accounts
- Incorporated
08
Similar companies in Southampton
- VASI POWER LTDSouthampton · inc. Mar 2023
- ROMEVA ENGINEERING SERVICES LIMITEDSouthampton · inc. Mar 2023
- WHITFIELD ENGINEERING SERVICES LTDSouthampton · inc. Jan 2023
- KEVIN MITCHELL CONSULTING ENGINEERS LTDSouthampton · inc. Jan 2023
- HAMPSHIRE COMPRESSOR SERVICES LIMITEDSouthampton · inc. Apr 2023
- B&L ENGINEERING CONSULTANCY LIMITEDCurbridge · inc. May 2023
All companies incorporated on 27 February 2023 · in Feb 2023.
09
Reminders for MAC MARINE LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.