- Companies
- Machinery repair and installation
- Exeter
- M5 Marine Limited
M5 Marine Limited
- Company number
- 09057862
- Incorporated
- 27 May 201412 years trading
- Registered office
- Retreat Boatyard Retreat Drive, Topsham, Exeter, EX3 0LS
- Nature of business
- Repair and maintenance of ships and boats; Other retail sale of new goods in specialised stores (not commercial art galleries and opticians)
M5 Marine Limited is a 12-year-old private limited company registered in Exeter, company number 09057862, one of 79 machinery repair and installation companies in Exeter. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £99K (-218.6%) on the year before, to -£145K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £159K against £306K owed within a year: 0.5 times cover.
- 4 employees on average, up from 3 the year before.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£145K | £23K | £159K | £306K | 4 |
| 30 Sep 2024 | -£45K | £93K | £210K | £256K | 3 |
| 30 Sep 2023 | £13K | £86K | £154K | £142K | 3 |
| 30 Sep 2022 | -£1,649 | £64K | £105K | £106K | 3 |
| 30 Sep 2021 | £4,117 | £14K | £55K | £51K | 0 |
| 30 Sep 2020 | £9,472 | £31K | £51K | £42K | 0 |
| 31 May 2019 | £1 | £0 | |||
| 1 Jun 2018 | £1 | £0 | |||
| 31 May 2018 | £1 | £0 | |||
| 1 Jun 2017 | £1 | £0 |
Where M5 Marine Limited is registered
The registered office is in Exeter (EX3), in the Exeter local authority area, South West. Show EX3 0LS on a map.
Other trade companies in EX3
- Exe Build Developments LtdBuilders
- Murray Construction LtdProperty developers
- Waterbrook Pools LimitedSpecialist contractors
- Courtbrook LimitedProperty developers
- R. Dew LtdProperty developers
- Complete Solutions South LimitedElectricians
- 2XM Developments LimitedBuilders
- TMS Devon Group LimitedElectricians
What happens if M5 Marine Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 09057862
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 May 2014 (12 years ago)
- Registered office
- Retreat Boatyard Retreat Drive, Topsham, Exeter, EX3 0LS
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
Other retail sale of new goods in specialised stores (not commercial art galleries and opticians) (SIC 47789) - Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 25 February 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Exeter
Other active machinery repair and installation companies registered in Exeter.
- Macra Engineering Ltd2017
- Marine Electronics Ltd2012
- Marinedeck UK & Eire Limited2019
- Mec Facilities Limited2016
- Mitchell Rowe Services Limited2017
- P R Nautica Yacht Management Services Limited2014
- Parker Bell (Instruments) Ltd.1998
- Parker Bell Holdings Limited2015
All machinery repair and installation companies in Exeter · All trades in Exeter · Machinery repair and installation across the UK
Frequently asked questions
When are M5 Marine Limited's accounts due?
M5 Marine Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is M5 Marine Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is M5 Marine Limited still trading?
M5 Marine Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does M5 Marine Limited do?
M5 Marine Limited is registered under Repair and maintenance of ships and boats (SIC 33150); Other retail sale of new goods in specialised stores (not commercial art galleries and opticians) (SIC 47789).
How old is M5 Marine Limited?
M5 Marine Limited was incorporated on 27 May 2014, 12 years ago.
What is the penalty if M5 Marine Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View M5 Marine Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.