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  4. Seagull Engineering Limited

Seagull Engineering Limited

ActiveTotal exemption (full) accountsCivil engineeringIpswich
Company number
08837365
Incorporated
8 Jan 201412 years trading
Registered office
Crane Court, 302 London Road, Ipswich, Suffolk, IP2 0AJ
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts due in
19 days
31 Oct 2026
Net assets
£79K▲
+54.5% on the year before
Cash at bank
£43K▼
At 31 Jan 2025
Employees
9
Average during the year
From the Companies House register, 1 Oct 2026

Seagull Engineering Limited is a 12-year-old private limited company registered in Ipswich, company number 08837365, one of 88 civil engineering contractors in Ipswich. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.

Key dates

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

Accounts due
31 Oct 2026
in 19 days
For the period to 31 Jan 2026
CT600 due
31 Jan 2027
in 111 days
Period 1 Feb 2025 to 31 Jan 2026
Corporation tax payment
1 Nov 2026
in 20 days
9 months and 1 day after the period end
Confirmation statement
22 Jan 2027
in 102 days
Last made up to 8 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 £28K (+54.5%) on the year before, to £79K.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £154K against £94K owed within a year: 1.6 times cover.
  • 9 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, 2016 to 2025£0£50K31 January 2016: net assets £5,241£5,241201631 January 2017: net assets £19K£19K201731 January 2018: net assets £52K£52K201831 January 2019: net assets £24K£24K201931 January 2020: net assets £685£685202031 January 2021: net assets £1,050£1,050202131 January 2022: net assets £277£277202231 January 2023: net assets £5,024£5,024202331 January 2024: net assets £51K£51K202431 January 2025: net assets £79K£79K2025
Net assets at each year end, 2016 to 2025£0£50K31 January 2016: net assets £5,241£5,241'1631 January 2017: net assets £19K£19K'1731 January 2018: net assets £52K£52K'1831 January 2019: net assets £24K£24K'1931 January 2020: net assets £685£685'2031 January 2021: net assets £1,050£1,050'2131 January 2022: net assets £277£277'2231 January 2023: net assets £5,024£5,024'2331 January 2024: net assets £51K£51K'2431 January 2025: net assets £79K£79K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jan 2025£79K£43K£154K£94K9
31 Jan 2024£51K£47K£192K£157K9
31 Jan 2023£5,024£6,489£175K£180K9
31 Jan 2022£277£6,748£173K£179K9
31 Jan 2021£1,050£31K£151K£150K9
31 Jan 2020£685£9,791£127K£154K10
31 Jan 2019£24K£1,052£119K£122K10
31 Jan 2018£52K£4,783£143K£118K15
31 Jan 2017£19K£65K£83K£64K
31 Jan 2016£5,241£12K£15K£63K

Where Seagull Engineering Limited is registered

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

The registered office is in Ipswich (IP2), in the Ipswich local authority area, East of England. Show IP2 0AJ on a map.

Other trade companies in IP2

Shared registered office

27 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 Seagull 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 31 October 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Nov 2026 to 30 Nov 2026£150
1 to 3 months late1 Dec 2026 to 31 Jan 2027£375
3 to 6 months late1 Feb 2027 to 30 Apr 2027£750
More than 6 months lateFrom 1 May 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Feb 2027£200
3 months late30 Apr 2027another £200
6 months late31 Jul 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jan 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
08837365
Status
Active
Company type
Private limited company
Incorporated
8 January 2014 (12 years ago)
Registered office
Crane Court, 302 London Road, Ipswich, Suffolk, IP2 0AJ
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
31 January (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 January 2025
Last confirmation statement
8 January 2026
Charges (mortgages)
1 outstanding of 1 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 Ipswich

Other active civil engineering contractors registered in Ipswich.

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Frequently asked questions

When are Seagull Engineering Limited's accounts due?

Seagull Engineering Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.

When is Seagull Engineering Limited's CT600 due?

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

Is Seagull Engineering Limited still trading?

Seagull 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 Seagull Engineering Limited do?

Seagull Engineering Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).

How old is Seagull Engineering Limited?

Seagull Engineering Limited was incorporated on 8 January 2014, 12 years ago.

What is the penalty if Seagull 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 Seagull 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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