- Companies
- Machinery repair and installation
- Milford Haven
- Quadra Marine Services Limited
Quadra Marine Services Limited
- Company number
- 07385045
- Incorporated
- 23 Sep 201016 years trading
- Registered office
- Milford Marina, The Docks, Milford Haven, SA73 3AX
- Nature of business
- Repair and maintenance of ships and boats
Quadra Marine Services Limited is a 16-year-old private limited company registered in Milford Haven, company number 07385045, one of 8 machinery repair and installation companies in Milford Haven. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
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 £2,097 (+4%) on the year before, to £55K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £23K against £1,548 owed within a year: more than 10 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | £55K | £23K | £1,548 | 4 | |
| 31 Oct 2023 | £53K | £51K | £36K | 4 | |
| 31 Oct 2022 | £108K | £83K | £13K | 6 | |
| 31 Oct 2021 | £50K | £42K | £7,205 | 6 | |
| 31 Oct 2020 | £98K | £48K | £6,523 | 6 | |
| 30 Oct 2019 | £90K | £54K | £8,832 | 6 | |
| 30 Oct 2018 | £63K | £0 | £40K | ||
| 30 Oct 2017 | £50K | £55K | £57K | ||
| 30 Oct 2016 | £52K | £63K | £56K | ||
| 31 Oct 2015 | £36K | £6,097 | £51K | £54K |
Where Quadra Marine Services Limited is registered
The registered office is in Milford Haven (SA73), in the Pembrokeshire local authority area, Wales. Show SA73 3AX on a map.
Other trade companies in SA73
- An Construction & Maintenance LtdBuilders
- Haven Coast Group Developments 1 LtdProperty developers
- Pembs Ice Blasting LtdCleaning companies
- Haven Coast Group LimitedProperty developers
- MR GS Mobile Tyres LtdMechanics and garages
- WBG Facilities LimitedScaffolders
- HW Builders LtdBuilders
- Pro Scaffolding Pembs LtdScaffolders
What happens if Quadra 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 07385045
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 September 2010 (16 years ago)
- Registered office
- Milford Marina, The Docks, Milford Haven, SA73 3AX
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 2 December 2025
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 Milford Haven
Other active machinery repair and installation companies registered in Milford Haven.
- West Wales Marine Limited2017
- West Wales Tuning Limited2021
- Windjammer Marine Limited2012
- K & R Property Management Ltd2014
- Mad Maintenance Ltd2022
- Mertech Mer Technical Services Limited2013
- Neyland Marine Services Limited1996
All machinery repair and installation companies in Milford Haven · All trades in Milford Haven · Machinery repair and installation across the UK
Frequently asked questions
When are Quadra Marine Services Limited's accounts due?
Quadra Marine Services Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Quadra Marine Services Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Quadra Marine Services Limited still trading?
Quadra 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 Quadra Marine Services Limited do?
Quadra Marine Services Limited is registered under Repair and maintenance of ships and boats (SIC 33150).
How old is Quadra Marine Services Limited?
Quadra Marine Services Limited was incorporated on 23 September 2010, 16 years ago.
What is the penalty if Quadra 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 Quadra 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.