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  4. Marine Clean Limited

Marine Clean Limited

ActiveMicro-entity accountsCleaning companiesSouthampton
Company number
02247819
Incorporated
25 Apr 198838 years trading
Registered office
Swanwick Marina, Swanwick, Southampton, Hampshire, SO31 1ZL
Nature of business
Specialised cleaning services
Accounts due in
77 days
29 Dec 2026
Net assets
£5,339▲
+130.0% on the year before
Employees
9
Average during the year
From the Companies House register, 1 Oct 2026

Marine Clean Limited is a 38-year-old private limited company registered in Southampton, company number 02247819, one of 274 cleaning companies in Southampton. Its next accounts are due at Companies House on 29 December 2026, and the CT600 for the period to 29 March 2026 is due at HMRC on 29 March 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
29 Dec 2026
in 77 days
For the period to 29 Mar 2026
CT600 due
29 Mar 2027
in 167 days
Period 1 Apr 2025 to 29 Mar 2026
Corporation tax payment
30 Dec 2026
in 78 days
9 months and 1 day after the period end
Confirmation statement
22 Jun 2027
in 252 days
Last made up to 8 Jun 2026

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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 down £12K (-70%) on the year before, to £5,339.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £46K against £33K owed within a year: 1.4 times cover.
  • 9 employees on average, up from 8 the year before.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£10K£20K31 March 2016: net assets £22K£22K201631 March 2017: net assets £23K£23K201731 March 2018: net assets £13K£13K201831 March 2019: net assets £17K£17K201931 March 2020: net assets £11K£11K202031 March 2021: net assets £23K£23K202131 March 2022: net assets -£5,624-£5,624202231 March 2023: net assets £7,270£7,270202330 March 2024: net assets £18K£18K202431 March 2025: net assets £5,339£5,3392025
Net assets at each year end, 2016 to 2025£0£10K£20K31 March 2016: net assets £22K£22K'1631 March 2017: net assets £23K£23K'1731 March 2018: net assets £13K£13K'1831 March 2019: net assets £17K£17K'1931 March 2020: net assets £11K£11K'2031 March 2021: net assets £23K£23K'2131 March 2022: net assets -£5,624-£5,624'2231 March 2023: net assets £7,270£7,270'2330 March 2024: net assets £18K£18K'2431 March 2025: net assets £5,339£5,339'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£5,339£46K£33K9
30 Mar 2024£18K£40K£40K8
31 Mar 2023£7,270£53K£43K7
31 Mar 2022-£5,624£11K£48K£27K8
31 Mar 2021£23K£57K£86K£26K9
31 Mar 2020£11K£3,002£21K£16K10
31 Mar 2019£17K£116£42K£30K10
31 Mar 2018£13K£882£38K£30K10
31 Mar 2017£23K£5,486£41K£24K10
31 Mar 2016£22K£7,713£38K£21K

Where Marine Clean Limited is registered

Marine Clean Limited's registered office on a map of the UK

The registered office is in Southampton (SO31), in the Fareham local authority area, South East. Show SO31 1ZL on a map.

Other trade companies in SO31

What happens if Marine Clean 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 29 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late30 Dec 2026 to 29 Jan 2027£150
1 to 3 months late30 Jan 2027 to 29 Mar 2027£375
3 to 6 months late30 Mar 2027 to 29 Jun 2027£750
More than 6 months lateFrom 30 Jun 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late30 Mar 2027£200
3 months late29 Jun 2027another £200
6 months late29 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late29 Mar 2028another 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
02247819
Status
Active
Company type
Private limited company
Incorporated
25 April 1988 (38 years ago)
Registered office
Swanwick Marina, Swanwick, Southampton, Hampshire, SO31 1ZL
Nature of business
Specialised cleaning services (SIC 81222)
Year end
29 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2025
Last confirmation statement
8 June 2026
Charges (mortgages)
1 outstanding of 1 registered

Filing notes for cleaning companies

Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.

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Frequently asked questions

When are Marine Clean Limited's accounts due?

Marine Clean Limited's next accounts are due at Companies House by 29 December 2026 (in 77 days), covering the period to 29 March 2026.

When is Marine Clean Limited's CT600 due?

The CT600 for the period to 29 March 2026 is due at HMRC by 29 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 December 2026.

Is Marine Clean Limited still trading?

Marine Clean 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 Clean Limited do?

Marine Clean Limited is registered under Specialised cleaning services (SIC 81222).

How old is Marine Clean Limited?

Marine Clean Limited was incorporated on 25 April 1988, 38 years ago.

What is the penalty if Marine Clean 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 Clean Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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