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  4. Deben Marine Limited

Deben Marine Limited

Company number
05307040
Incorporated
7 Dec 200421 years trading
Registered office
103 Ipswich Road, Woodbridge, Suffolk, IP12 4BY
Nature of business
Repair and maintenance of ships and boats
Accounts due in
352 days
30 Sep 2027
Net assets
£18K▲
+6.9% on the year before
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Deben Marine Limited is a 21-year-old private limited company registered in Woodbridge, company number 05307040, one of 18 machinery repair and installation companies in Woodbridge. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.

Key dates

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

Accounts due
30 Sep 2027
in 352 days
For the period to 31 Dec 2026
CT600 due
31 Dec 2027
in 444 days
Period 1 Jan 2026 to 31 Dec 2026
Corporation tax payment
1 Oct 2027
in 353 days
9 months and 1 day after the period end
Confirmation statement
21 Dec 2026
in 69 days
Last made up to 7 Dec 2025

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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 £1,182 (+6.9%) on the year before, to £18K.
  • Net assets rose in 6 of 8 year-on-year comparisons on record.
  • Current assets of £43K against £40K owed within a year: 1.1 times cover.
  • 2 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025-£10K£0£10K31 December 2017: net assets -£7,478-£7,478201731 December 2018: net assets -£5,356-£5,356201831 December 2019: net assets -£7,881-£7,881201931 December 2020: net assets -£11K-£11K202031 December 2021: net assets £1,787£1,787202131 December 2022: net assets £1,910£1,910202231 December 2023: net assets £12K£12K202331 December 2024: net assets £17K£17K202431 December 2025: net assets £18K£18K2025
Net assets at each year end, 2017 to 2025-£10K£0£10K31 December 2017: net assets -£7,478-£7,478'1731 December 2018: net assets -£5,356-£5,356'1831 December 2019: net assets -£7,881-£7,881'1931 December 2020: net assets -£11K-£11K'2031 December 2021: net assets £1,787£1,787'2131 December 2022: net assets £1,910£1,910'2231 December 2023: net assets £12K£12K'2331 December 2024: net assets £17K£17K'2431 December 2025: net assets £18K£18K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£18K£43K£40K2
31 Dec 2024£17K£40K£41K2
31 Dec 2023£12K£35K£42K1
31 Dec 2022£1,910£11K£30K1
31 Dec 2021£1,787£14K£36K1
31 Dec 2020-£11K£9,482£32K1
31 Dec 2019-£7,881£1,363£7,659£30K1
31 Dec 2018-£5,356£1,127£5,981£26K
31 Dec 2017-£7,478£4,248£5,421£25K
31 Dec 2016£40

Who runs and owns Deben Marine Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officers (2)

NameRoleAppointed
A*** B***DirectorDec 2004
C*** C***SecretaryDec 2004

Person with significant control

Individual · since Dec 2016
A*** B***
Owns 75% or more of the shares

Where Deben Marine Limited is registered

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

The registered office is in Woodbridge (IP12), in the East Suffolk local authority area, East of England. Show IP12 4BY on a map.

Other trade companies in IP12

What happens if Deben Marine 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 30 September 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Oct 2027 to 31 Oct 2027£150
1 to 3 months late1 Nov 2027 to 31 Dec 2027£375
3 to 6 months late1 Jan 2028 to 31 Mar 2028£750
More than 6 months lateFrom 1 Apr 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jan 2028£200
3 months late31 Mar 2028another £200
6 months late30 Jun 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Dec 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
05307040
Status
Active
Company type
Private limited company
Incorporated
7 December 2004 (21 years ago)
Registered office
103 Ipswich Road, Woodbridge, Suffolk, IP12 4BY
Nature of business
Repair and maintenance of ships and boats (SIC 33150)
Year end
31 December (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 December 2025
Last confirmation statement
7 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 Woodbridge

Other active machinery repair and installation companies registered in Woodbridge.

All machinery repair and installation companies in Woodbridge · All trades in Woodbridge · Machinery repair and installation across the UK

Frequently asked questions

When are Deben Marine Limited's accounts due?

Deben Marine Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.

When is Deben Marine Limited's CT600 due?

The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.

Is Deben Marine Limited still trading?

Deben Marine 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 Deben Marine Limited do?

Deben Marine Limited is registered under Repair and maintenance of ships and boats (SIC 33150).

How old is Deben Marine Limited?

Deben Marine Limited was incorporated on 7 December 2004, 21 years ago.

Who runs Deben Marine Limited?

Deben Marine Limited has 1 active director, the longest-serving appointed in Dec 2004. Their names and service addresses are on the Companies House register.

Who owns Deben Marine Limited?

One person or company has significant control of Deben Marine Limited: an individual (owns 75% or more of the shares).

What is the penalty if Deben Marine 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 Deben Marine 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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