- Companies
- Machinery repair and installation
- Marval Marine Services Limited
Marval Marine Services Limited
- Company number
- 04948405
- Incorporated
- 30 Oct 200322 years trading
- Registered office
- Unit 8 Alpha Business Park, Travellers Close, Welham Green, Hertfordshire, AL9 7NT
- Nature of business
- Repair and maintenance of ships and boats; Other specialised construction activities n.e.c.
Marval Marine Services Limited is a 22-year-old private limited company registered in Welham Green, company number 04948405, one of the UK's machinery repair and installation companies. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £96K on the year before, to £98K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £622K against £621K owed within a year: 1.0 times cover.
- 6 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Oct 2025 | £98K | £89K | £622K | £621K | 6 |
| 31 Oct 2024 | £2,140 | £126K | £535K | £656K | 6 |
| 31 Oct 2023 | £61K | £82K | £532K | £519K | 6 |
| 31 Oct 2022 | £752 | £15K | £268K | £261K | 6 |
| 31 Oct 2021 | £9,372 | £18K | £286K | £190K | 7 |
| 31 Oct 2020 | £13K | £278K | £275K | 7 | |
| 31 Oct 2019 | £3,873 | £175K | £186K | 8 | |
| 31 Oct 2018 | £1,938 | £221K | £220K | ||
| 31 Oct 2017 | £1,148 | £10K | £224K | £216K | |
| 31 Oct 2016 | £18K | £22K | £138K | £132K |
Where Marval Marine Services Limited is registered
The registered office is in Welham Green (AL9), in the Welwyn Hatfield local authority area, East of England. Show AL9 7NT on a map.
Other trade companies in AL9
- DMC Equity LtdProperty developers
- Summit Air Conditioning Services LtdPlumbers and heating engineers
- Teknosa Automotive LimitedMotor traders
- Enki Construction LtdBuilders
- Queensbury ST Ippolyts LimitedBuilders
- William Douglas Acquisitions LimitedProperty developers
- LG Site Services LimitedBuilders
- Miella Construction LtdPlumbers and heating engineers
Also registered at this address
17 other companies use the same registered office as Marval Marine Services Limited.
- A & M Lofts LimitedInstallers
- Coys Construction LimitedSpecialist contractors
- Direct Drilling LimitedGroundworks and demolition
- DS Construction Group LtdSpecialist contractors
- Eco of London LimitedInstallers
- G P D Waterwells LimitedGroundworks and demolition
- I G P A LimitedElectricians
- Igpa Classics LtdMotor traders
- Igpa Services LimitedElectricians
- Joe Donaghy Decorating LtdPainters and decorators
- Little Heath Garage LtdMechanics and garages
- Marshall Site Safety LtdInstallers
- Marval Rail Services LtdSpecialist contractors
- North London Box Sash LtdJoiners and carpenters
- PT Motors LimitedMechanics and garages
- Tyne Castle Fabrication LtdInstallers
- Zebra Shutters LtdJoiners and carpenters
What happens if Marval Marine Services 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 04948405
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 October 2003 (22 years ago)
- Registered office
- Unit 8 Alpha Business Park, Travellers Close, Welham Green, Hertfordshire, AL9 7NT
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 October (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 24 July 2026
- Charges (mortgages)
- 1 outstanding of 3 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 Marval Marine Services Limited's accounts due?
Marval Marine Services Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Marval Marine Services Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Marval Marine Services Limited still trading?
Marval Marine Services 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 Marval Marine Services Limited do?
Marval Marine Services Limited is registered under Repair and maintenance of ships and boats (SIC 33150); Other specialised construction activities n.e.c. (SIC 43999).
How old is Marval Marine Services Limited?
Marval Marine Services Limited was incorporated on 30 October 2003, 22 years ago.
What is the penalty if Marval Marine Services 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 Marval Marine Services 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.