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  4. Demopro Marine Limited

Demopro Marine Limited

ActiveMicro-entity accountsGroundworks and demolitionHull
Company number
12416270
Incorporated
21 Jan 20206 years trading
Registered office
66 Bond Street, Hull, HU1 3EN
Nature of business
Demolition
Accounts due in
475 days
31 Jan 2028
Net assets
£124K▲
+439.1% on the year before
Employees
4
Average during the year
From the Companies House register, 1 Oct 2026

Demopro Marine Limited is a 6-year-old private limited company registered in Hull, company number 12416270, one of 11 groundworks and demolition companies in Hull. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.

Key dates

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

Accounts due
31 Jan 2028
in 475 days
For the period to 30 Apr 2027
CT600 due
30 Apr 2028
in 565 days
Period 1 May 2026 to 30 Apr 2027
Corporation tax payment
1 Feb 2028
in 476 days
9 months and 1 day after the period end
Confirmation statement
3 Feb 2027
in 113 days
Last made up to 20 Jan 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 up £101K (+439.1%) on the year before, to £124K.
  • Net assets rose in 4 of 5 year-on-year comparisons on record.
  • Current assets of £47K against £27K owed within a year: 1.7 times cover.
  • 4 employees on average during the year.
  • Balance sheets on record for 6 years, 2021 to 2026.

Net assets by year

Net assets at each year end, 2021 to 2026£0£50K£100K31 January 2021: net assets -£7,489-£7,489202131 January 2022: net assets £21K£21K202231 January 2023: net assets £46K£46K202331 January 2024: net assets £53K£53K202431 January 2025: net assets £23K£23K202530 April 2026: net assets £124K£124K2026
Net assets at each year end, 2021 to 2026£0£50K£100K31 January 2021: net assets -£7,489-£7,489202131 January 2022: net assets £21K£21K202231 January 2023: net assets £46K£46K202331 January 2024: net assets £53K£53K202431 January 2025: net assets £23K£23K202530 April 2026: net assets £124K£124K2026
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Apr 2026£124K£47K£27K4
31 Jan 2025£23K£106K£121K£177K4
31 Jan 2024£53K£19K£25K£37K4
31 Jan 2023£46K£39K£45K£34K4
31 Jan 2022£21K£10K£37K4
31 Jan 2021-£7,489£506£10K

Who runs and owns Demopro Marine Limited

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

Officers (3)

NameRoleAppointed
L*** B***DirectorJan 2020
S*** B***DirectorSep 2021
W*** M***DirectorSep 2021
1 former officer
NameRoleAppointedLeft
P*** M***DirectorSep 2021Sep 2026

People with significant control (4)

Individual · since Sep 2021
S*** B***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Can appoint and remove directors
Individual · since Sep 2021
W*** M***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Can appoint and remove directors
Individual · since Sep 2021
P*** M***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Can appoint and remove directors
Individual · since Jan 2020
L*** B***
Owns 75% or more of the shares

Where Demopro Marine Limited is registered

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

The registered office is in Hull (HU1), in the Kingston upon Hull, City of local authority area, Yorkshire and The Humber. Show HU1 3EN on a map.

Other trade companies in HU1

Shared registered office

59 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if Demopro 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 31 January 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Feb 2028 to 29 Feb 2028£150
1 to 3 months late1 Mar 2028 to 30 Apr 2028£375
3 to 6 months late1 May 2028 to 31 Jul 2028£750
More than 6 months lateFrom 1 Aug 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 May 2028£200
3 months late30 Jul 2028another £200
6 months late30 Oct 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Apr 2029another 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
12416270
Status
Active
Company type
Private limited company
Incorporated
21 January 2020 (6 years ago)
Registered office
66 Bond Street, Hull, HU1 3EN
Nature of business
Demolition (SIC 43110)
Year end
30 April (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 April 2026
Last confirmation statement
20 January 2026

Filing notes for groundworks and demolition companies

Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.

Similar companies in Hull

Other active groundworks and demolition companies registered in Hull.

All groundworks and demolition companies in Hull · All trades in Hull · Groundworks and demolition across the UK

Frequently asked questions

When are Demopro Marine Limited's accounts due?

Demopro Marine Limited's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.

When is Demopro Marine Limited's CT600 due?

The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.

Is Demopro Marine Limited still trading?

Demopro 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 Demopro Marine Limited do?

Demopro Marine Limited is registered under Demolition (SIC 43110).

How old is Demopro Marine Limited?

Demopro Marine Limited was incorporated on 21 January 2020, 6 years ago.

Who runs Demopro Marine Limited?

Demopro Marine Limited has 3 active directors, the longest-serving appointed in Jan 2020. Their names and service addresses are on the Companies House register.

Who owns Demopro Marine Limited?

4 people or companies have significant control of Demopro Marine Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares); an individual (owns 75% or more of the shares).

What is the penalty if Demopro 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 Demopro 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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