- Companies
- Machinery repair and installation
- Great Yarmouth
- Marineserv UK Limited
Marineserv UK Limited
- Company number
- 10508577
- Incorporated
- 2 Dec 20169 years trading
- Registered office
- 215 Gapton Hall Road, Great Yarmouth, Norfolk, NR31 0NL
- Nature of business
- Repair and maintenance of ships and boats; Non-specialised wholesale trade
Marineserv UK Limited is a 9-year-old private limited company registered in Great Yarmouth, company number 10508577, one of 47 machinery repair and installation companies in Great Yarmouth. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £26K (+3.6%) on the year before, to £740K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £763K against £277K owed within a year: 2.8 times cover.
- 9 employees on average, up from 8 the year before.
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £740K | £143K | £763K | £277K | 9 |
| 31 Mar 2025 | £714K | £126K | £832K | £322K | 8 |
| 31 Mar 2024 | £625K | £177K | £742K | £282K | 7 |
| 31 Mar 2023 | £563K | £149K | £569K | £159K | 6 |
Where Marineserv UK Limited is registered
The registered office is in Great Yarmouth (NR31), in the Great Yarmouth local authority area, East of England. Show NR31 0NL on a map.
Other trade companies in NR31
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- Peritus Technical Solutions LtdInstallers
- Anglian Resin Driveways LimitedLandscapers and gardeners
- Norfolk Blinds LtdInstallers
- DMK2026 LimitedProperty developers
- Torque & Turf LtdMachinery repair and installation
- East Anglia Ramp Hire LtdMechanics and garages
- J'S Mobile Vehicle Cleaning Solutions LtdCleaning companies
What happens if Marineserv UK 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 10508577
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 December 2016 (9 years ago)
- Registered office
- 215 Gapton Hall Road, Great Yarmouth, Norfolk, NR31 0NL
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
Non-specialised wholesale trade (SIC 46900) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 26 April 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 Great Yarmouth
Other active machinery repair and installation companies registered in Great Yarmouth.
- Meades Services Ltd2025
- Mechanical Services International Ltd2023
- Nbyco Ltd2019
- Nek Services Limited2022
- Norfolk Hose Services Limited2013
- Obsidianenergy Limited2026
- P.S Electrotech Ltd2020
- Phoenix Technical Services Limited2015
All machinery repair and installation companies in Great Yarmouth · All trades in Great Yarmouth · Machinery repair and installation across the UK
Frequently asked questions
When are Marineserv UK Limited's accounts due?
Marineserv UK Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Marineserv UK Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Marineserv UK Limited still trading?
Marineserv UK 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 Marineserv UK Limited do?
Marineserv UK Limited is registered under Repair and maintenance of ships and boats (SIC 33150); Non-specialised wholesale trade (SIC 46900).
How old is Marineserv UK Limited?
Marineserv UK Limited was incorporated on 2 December 2016, 9 years ago.
What is the penalty if Marineserv UK 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 Marineserv UK 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.