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  4. Shannon Engineering Services Ltd

Shannon Engineering Services Ltd

ActiveMicro-entity accountsCivil engineeringWrexham
Company number
06122677
Incorporated
21 Feb 200719 years trading
Registered office
Grove Park House, 7 Grove Park Road, Wrexham, LL12 7AA
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts due in
80 days
31 Dec 2026
Net assets
£6,897▲
+110.9% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Shannon Engineering Services Ltd is a 19-year-old private limited company registered in Wrexham, company number 06122677, one of 61 civil engineering contractors in Wrexham. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

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

Accounts due
31 Dec 2026
in 80 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
7 Mar 2027
in 146 days
Last made up to 21 Feb 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 £3,626 (+110.9%) on the year before, to £6,897.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £21K against £14K owed within a year: 1.5 times cover.
  • 1 employee 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£2,500£5,00031 March 2016: net assets £1,295£1,295201631 March 2017: net assets £1,933£1,933201731 March 2018: net assets £1,079£1,079201831 March 2019: net assets £3,437£3,437201931 March 2020: net assets £4,919£4,919202031 March 2021: net assets £5,787£5,787202131 March 2022: net assets £89£89202231 March 2023: net assets -£301-£301202331 March 2024: net assets £3,271£3,271202431 March 2025: net assets £6,897£6,8972025
Net assets at each year end, 2016 to 2025£0£2,500£5,00031 March 2016: net assets £1,295£1,295'1631 March 2017: net assets £1,933£1,933'1731 March 2018: net assets £1,079£1,079'1831 March 2019: net assets £3,437£3,437'1931 March 2020: net assets £4,919£4,919'2031 March 2021: net assets £5,787£5,787'2131 March 2022: net assets £89£89'2231 March 2023: net assets -£301-£301'2331 March 2024: net assets £3,271£3,271'2431 March 2025: net assets £6,897£6,897'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£6,897£21K£14K1
31 Mar 2024£3,271£10K£7,1831
31 Mar 2023-£301£697£9981
31 Mar 2022£89£841£7521
31 Mar 2021£5,787£13K£6,7641
31 Mar 2020£4,919£11K£6,5671
31 Mar 2019£3,437£7,655£4,218
31 Mar 2018£1,079£9,449£8,280
31 Mar 2017£1,933£6,844£4,911
31 Mar 2016£1,295£1,906£7,351£6,056

Where Shannon Engineering Services Ltd is registered

Shannon Engineering Services Ltd's registered office on a map of the UK

The registered office is in Wrexham (LL12), in the Wrexham local authority area, Wales. Show LL12 7AA on a map.

Other trade companies in LL12

Shared registered office

40 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 Shannon Engineering Services Ltd 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 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 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
06122677
Status
Active
Company type
Private limited company
Incorporated
21 February 2007 (19 years ago)
Registered office
Grove Park House, 7 Grove Park Road, Wrexham, LL12 7AA
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
31 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2025
Last confirmation statement
21 February 2026
Previous names
Crest PSC 1348 Limited (until 4 Jul 2007)

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 Wrexham

Other active civil engineering contractors registered in Wrexham.

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

Frequently asked questions

When are Shannon Engineering Services Ltd's accounts due?

Shannon Engineering Services Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.

When is Shannon Engineering Services Ltd's CT600 due?

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

Is Shannon Engineering Services Ltd still trading?

Shannon Engineering Services Ltd 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 Shannon Engineering Services Ltd do?

Shannon Engineering Services Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).

How old is Shannon Engineering Services Ltd?

Shannon Engineering Services Ltd was incorporated on 21 February 2007, 19 years ago.

What is the penalty if Shannon Engineering Services Ltd 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 Shannon Engineering Services Ltd 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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