- Companies
- Civil engineering
- Poole
- Jenkins Marine Ltd.
Jenkins Marine Ltd.
- Company number
- 02256465
- Incorporated
- 11 May 198838 years trading
- Registered office
- Office Container New Harbour Road West, Hamworthy, Poole, Dorset, BH15 4AJ
- Nature of business
- Construction of water projects; Sea and coastal freight water transport; Service activities incidental to water transportation; Renting and leasing of freight water transport equipment
Jenkins Marine Ltd. is a 38-year-old private limited company registered in Poole, company number 02256465, one of 38 civil engineering contractors in Poole. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £346K (+10.6%) on the year before, to £3.6M.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- 38 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £3.6M | £387K | £1.1M | 38 | |
| 30 Apr 2024 | £3.3M | £148K | £822K | 38 | |
| 30 Apr 2023 | £3.5M | £679K | £715K | 34 | |
| 30 Apr 2022 | £3.6M | £67K | £248K | 31 | |
| 30 Apr 2021 | £3.6M | £1.1M | £1.9M | £302K | 25 |
| 30 Apr 2020 | £3.6M | £1.6M | £2.4M | £364K | 25 |
| 30 Apr 2019 | £3.4M | £1.2M | £2M | £352K | 26 |
| 30 Apr 2018 | £3.1M | £1.3M | £2M | £592K | 29 |
Public contracts won
Jenkins Marine Ltd. has one public sector contract award on record; the ones with their own published value total £370K (2021). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Isle of Wight Council | Dredging of Newport Harbour | £370K | 23 Feb 2021 |
Where Jenkins Marine Ltd. is registered
The registered office is in Poole (BH15), in the Bournemouth, Christchurch and Poole local authority area, South West. Show BH15 4AJ on a map.
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- Pro-House Builders & Decorators LtdBuilders
- Coastal Coatings Marine International LtdMachinery repair and installation
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- Am GRP LimitedMachinery repair and installation
What happens if Jenkins Marine Ltd. 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 02256465
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 May 1988 (38 years ago)
- Registered office
- Office Container New Harbour Road West, Hamworthy, Poole, Dorset, BH15 4AJ
- Nature of business
- Construction of water projects (SIC 42910)
Sea and coastal freight water transport (SIC 50200)
Service activities incidental to water transportation (SIC 52220)
Renting and leasing of freight water transport equipment (SIC 77342) - Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 15 November 2025
- Charges (mortgages)
- 3 outstanding of 8 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Poole
Other active civil engineering contractors registered in Poole.
- JGB Dimensions Ltd2025
- Keystone Civil Engineering Ltd2016
- M P James (Construction) Limited2004
- Mark Way Construction Ltd2022
- Mont Civil Engineering Ltd2021
- MPS Building Ltd2006
- P & C Electrical Ltd2026
- P&D Civils Ltd2019
All civil engineering contractors in Poole · All trades in Poole · Civil engineering across the UK
Frequently asked questions
When are Jenkins Marine Ltd.'s accounts due?
Jenkins Marine Ltd.'s next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Jenkins Marine Ltd.'s CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Jenkins Marine Ltd. still trading?
Jenkins Marine Ltd. 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 Jenkins Marine Ltd. do?
Jenkins Marine Ltd. is registered under Construction of water projects (SIC 42910); Sea and coastal freight water transport (SIC 50200); Service activities incidental to water transportation (SIC 52220); Renting and leasing of freight water transport equipment (SIC 77342).
How old is Jenkins Marine Ltd.?
Jenkins Marine Ltd. was incorporated on 11 May 1988, 38 years ago.
Has Jenkins Marine Ltd. won public sector contracts?
Yes. Jenkins Marine Ltd. has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £370K), most recently from Isle of Wight Council.
What is the penalty if Jenkins Marine Ltd. 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 Jenkins Marine Ltd. 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.