- Companies
- Machinery repair and installation
- Marine Engineering Services (Mes) Limited
Marine Engineering Services (Mes) Limited
- Company number
- 03419989
- Incorporated
- 14 Aug 199729 years trading
- Registered office
- Unit 7A Dinas Boat Yard, Beach Road, Y Felinheli, Gwynedd, LL56 4RQ
- Nature of business
- Repair and maintenance of ships and boats; Retail sale of sports goods, fishing gear, camping goods, boats and bicycles; Renting and leasing of other machinery, equipment and tangible goods n.e.c.
Marine Engineering Services (Mes) Limited is a 29-year-old private limited company registered in Y Felinheli, company number 03419989, one of the UK's machinery repair and installation companies. 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 up £31K (+92%) on the year before, to -£2,688.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £53K against £17K owed within a year: 3.1 times cover.
- 4 employees on average, up from 3 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£2,688 | £20K | £53K | £17K | 4 |
| 30 Sep 2024 | -£34K | £21K | £36K | £16K | 3 |
| 30 Sep 2023 | -£43K | £22K | £34K | £17K | 2 |
| 30 Sep 2022 | -£33K | £23K | £23K | £12K | 2 |
| 30 Sep 2021 | -£35K | £43K | £31K | 6 | |
| 30 Sep 2020 | £14K | £16K | £6,686 | 4 | |
| 30 Sep 2019 | £60K | £66K | £21K | 5 | |
| 30 Sep 2018 | £76K | £81K | £26K | 4 | |
| 30 Sep 2017 | £63K | £60K | £75K | £43K | 5 |
| 30 Sep 2016 | £64K | £85K | £93K | £61K | 5 |
Where Marine Engineering Services (Mes) Limited is registered
The registered office is in Y Felinheli (LL56), in the Gwynedd local authority area, Wales. Show LL56 4RQ on a map.
Other trade companies in LL56
- Obbs Gardening and Cleaning LtdLandscapers and gardeners
- Hildrew’S Heli Heritage LimitedMachinery repair and installation
- H Rice Electrical LimitedElectricians
- TRG Building Contractors LimitedBuilders
- Red Services Electrical & Fire Protection LimitedElectricians
- Lane Electrical Installation & Maintenance LtdElectricians
- Dwe Developments LimitedProperty developers
- Gwyn LtdFinishing trades
What happens if Marine Engineering Services (Mes) 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
- 03419989
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 August 1997 (29 years ago)
- Registered office
- Unit 7A Dinas Boat Yard, Beach Road, Y Felinheli, Gwynedd, LL56 4RQ
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
Retail sale of sports goods, fishing gear, camping goods, boats and bicycles (SIC 47640)
Renting and leasing of other machinery, equipment and tangible goods n.e.c. (SIC 77390) - Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 10 August 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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
Other active machinery repair and installation companies.
Frequently asked questions
When are Marine Engineering Services (Mes) Limited's accounts due?
Marine Engineering Services (Mes) Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Marine Engineering Services (Mes) 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 Marine Engineering Services (Mes) Limited still trading?
Marine Engineering Services (Mes) 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 Marine Engineering Services (Mes) Limited do?
Marine Engineering Services (Mes) Limited is registered under Repair and maintenance of ships and boats (SIC 33150); Retail sale of sports goods, fishing gear, camping goods, boats and bicycles (SIC 47640); Renting and leasing of other machinery, equipment and tangible goods n.e.c. (SIC 77390).
How old is Marine Engineering Services (Mes) Limited?
Marine Engineering Services (Mes) Limited was incorporated on 14 August 1997, 29 years ago.
What is the penalty if Marine Engineering Services (Mes) 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 Marine Engineering Services (Mes) 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.