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  4. Four Seas Engineering Limited

Four Seas Engineering Limited

ActiveTotal exemption (full) accountsCivil engineeringWarrington
Company number
13385743
Incorporated
10 May 20215 years trading
Registered office
34 Constable Square, Paddington, Warrington, WA1 3GP
Nature of business
Construction of roads and motorways
Accounts due in
139 days
28 Feb 2027
Net assets
-£1,332▼
-133.2% on the year before
Cash at bank
£6,207▼
At 31 May 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Four Seas Engineering Limited is a 5-year-old private limited company registered in Warrington, company number 13385743, one of 102 civil engineering contractors in Warrington. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.

Key dates

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

Accounts due
28 Feb 2027
in 139 days
For the period to 31 May 2026
CT600 due
31 May 2027
in 231 days
Period 1 Jun 2025 to 31 May 2026
Corporation tax payment
1 Mar 2027
in 140 days
9 months and 1 day after the period end
Confirmation statement
24 Mar 2027
in 163 days
Last made up to 10 Mar 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 £5,341 (-133.2%) on the year before, to -£1,332.
  • Net assets rose in 1 of 3 year-on-year comparisons on record.
  • Current assets of £6,207 against £7,539 owed within a year: 0.8 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 4 years, 2022 to 2025.

Net assets by year

Net assets at each year end, 2022 to 2025£0£5,000£10K31 May 2022: net assets £11K£11K202231 May 2023: net assets -£2,291-£2,291202331 May 2024: net assets £4,009£4,009202431 May 2025: net assets -£1,332-£1,3322025
Net assets at each year end, 2022 to 2025£0£5,000£10K31 May 2022: net assets £11K£11K202231 May 2023: net assets -£2,291-£2,291202331 May 2024: net assets £4,009£4,009202431 May 2025: net assets -£1,332-£1,3322025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 May 2025-£1,332£6,207£6,207£7,5391
31 May 2024£4,009£9,738£9,738£5,7291
31 May 2023-£2,291£818£832£3,1231
31 May 2022£11K£3,145£12K£1,6231

Where Four Seas Engineering Limited is registered

Four Seas Engineering Limited's registered office on a map of the UK

The registered office is in Warrington (WA1), in the Warrington local authority area, North West. Show WA1 3GP on a map.

Other trade companies in WA1

What happens if Four Seas Engineering 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 28 February 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Mar 2027 to 31 Mar 2027£150
1 to 3 months late1 Apr 2027 to 31 May 2027£375
3 to 6 months late1 Jun 2027 to 31 Aug 2027£750
More than 6 months lateFrom 1 Sep 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jun 2027£200
3 months late31 Aug 2027another £200
6 months late30 Nov 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 May 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
13385743
Status
Active
Company type
Private limited company
Incorporated
10 May 2021 (5 years ago)
Registered office
34 Constable Square, Paddington, Warrington, WA1 3GP
Nature of business
Construction of roads and motorways (SIC 42110)
Year end
31 May (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 May 2025
Last confirmation statement
10 March 2026

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 Warrington

Other active civil engineering contractors registered in Warrington.

All civil engineering contractors in Warrington · All trades in Warrington · Civil engineering across the UK

Frequently asked questions

When are Four Seas Engineering Limited's accounts due?

Four Seas Engineering Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.

When is Four Seas Engineering Limited's CT600 due?

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

Is Four Seas Engineering Limited still trading?

Four Seas Engineering 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 Four Seas Engineering Limited do?

Four Seas Engineering Limited is registered under Construction of roads and motorways (SIC 42110).

How old is Four Seas Engineering Limited?

Four Seas Engineering Limited was incorporated on 10 May 2021, 5 years ago.

What is the penalty if Four Seas Engineering 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 Four Seas Engineering 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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