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  4. Mulroy Construction Ltd

Mulroy Construction Ltd

ActiveTotal exemption (full) accountsCivil engineeringGlasgow
Company number
SC673689
Incorporated
9 Sep 20206 years trading
Registered office
86 Fullarton Avenue, Glasgow, G32 8YJ
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts due in
261 days
30 Jun 2027
Net assets
£185K▲
+41.7% on the year before
Cash at bank
£15K▲
At 30 Sep 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Mulroy Construction Ltd is a 6-year-old private limited company registered in Glasgow, company number SC673689, one of 258 civil engineering contractors in Glasgow. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.

Key dates

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

Accounts due
30 Jun 2027
in 261 days
For the period to 30 Sep 2026
CT600 due
30 Sep 2027
in 353 days
Period 1 Oct 2025 to 30 Sep 2026
Corporation tax payment
1 Jul 2027
in 262 days
9 months and 1 day after the period end
Confirmation statement
24 Oct 2026
in 12 days
Last made up to 10 Oct 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 £54K (+41.7%) on the year before, to £185K.
  • Net assets rose in 4 of 4 year-on-year comparisons on record.
  • Current assets of £290K against £100K owed within a year: 2.9 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 5 years, 2021 to 2025.

Net assets by year

Net assets at each year end, 2021 to 2025£0£100K30 September 2021: net assets £26K£26K202130 September 2022: net assets £67K£67K202230 September 2023: net assets £93K£93K202330 September 2024: net assets £130K£130K202430 September 2025: net assets £185K£185K2025
Net assets at each year end, 2021 to 2025£0£100K30 September 2021: net assets £26K£26K202130 September 2022: net assets £67K£67K202230 September 2023: net assets £93K£93K202330 September 2024: net assets £130K£130K202430 September 2025: net assets £185K£185K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Sep 2025£185K£15K£290K£100K1
30 Sep 2024£130K£14K£191K£64K1
30 Sep 2023£93K£226K£135K1
30 Sep 2022£67K£113K£45K4
30 Sep 2021£26K£52K£24K3

Where Mulroy Construction Ltd is registered

Mulroy Construction Ltd's registered office on a map of the UK

The registered office is in Glasgow (G32), in the Glasgow City local authority area, Scotland. Show G32 8YJ on a map.

Other trade companies in G32

Also registered at this address

1 other company uses the same registered office as Mulroy Construction Ltd.

What happens if Mulroy Construction 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 30 June 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jul 2027 to 31 Jul 2027£150
1 to 3 months late1 Aug 2027 to 30 Sep 2027£375
3 to 6 months late1 Oct 2027 to 31 Dec 2027£750
More than 6 months lateFrom 1 Jan 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Oct 2027£200
3 months late30 Dec 2027another £200
6 months late30 Mar 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Sep 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
SC673689
Status
Active
Company type
Private limited company
Incorporated
9 September 2020 (6 years ago)
Registered office
86 Fullarton Avenue, Glasgow, G32 8YJ
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
30 September (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 September 2025
Last confirmation statement
10 October 2025

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 Glasgow

Other active civil engineering contractors registered in Glasgow.

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

Frequently asked questions

When are Mulroy Construction Ltd's accounts due?

Mulroy Construction Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.

When is Mulroy Construction Ltd's CT600 due?

The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.

Is Mulroy Construction Ltd still trading?

Mulroy Construction 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 Mulroy Construction Ltd do?

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

How old is Mulroy Construction Ltd?

Mulroy Construction Ltd was incorporated on 9 September 2020, 6 years ago.

What is the penalty if Mulroy Construction 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 Mulroy Construction 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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