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K Mullen Limited

ActiveMicro-entity accountsSpecialist contractorsSt Helens
Company number
11046472
Incorporated
3 Nov 20178 years trading
Registered office
Lower Barrowfield Farm, Houghtons Lane, St Helens, WA10 5QE
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
292 days
31 Jul 2027
Net assets
£272▼
-99.1% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

K Mullen Limited is a 8-year-old private limited company registered in St Helens, company number 11046472, one of 38 specialist construction companies in St Helens. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.

Key dates

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

Accounts due
31 Jul 2027
in 292 days
For the period to 31 Oct 2026
CT600 due
31 Oct 2027
in 384 days
Period 1 Nov 2025 to 31 Oct 2026
Corporation tax payment
1 Aug 2027
in 293 days
9 months and 1 day after the period end
Confirmation statement
16 Nov 2026
in 35 days
Last made up to 2 Nov 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 down £28K (-99.1%) on the year before, to £272.
  • Net assets rose in 3 of 7 year-on-year comparisons on record.
  • Current assets of £11K against £14K owed within a year: 0.8 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 8 years, 2018 to 2025.

Net assets by year

Net assets at each year end, 2018 to 2025£0£10K£20K31 October 2018: net assets £208£208201831 October 2019: net assets £7,435£7,435201931 October 2020: net assets £347£347202031 October 2021: net assets £28£28202131 October 2022: net assets £9,275£9,275202231 October 2023: net assets £8,932£8,932202331 October 2024: net assets £29K£29K202431 October 2025: net assets £272£2722025
Net assets at each year end, 2018 to 2025£0£10K£20K31 October 2018: net assets £208£208'1831 October 2019: net assets £7,435£7,435'1931 October 2020: net assets £347£347'2031 October 2021: net assets £28£28'2131 October 2022: net assets £9,275£9,275'2231 October 2023: net assets £8,932£8,932'2331 October 2024: net assets £29K£29K'2431 October 2025: net assets £272£272'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Oct 2025£272£11K£14K1
31 Oct 2024£29K£41K£15K1
31 Oct 2023£8,932£26K£21K1
31 Oct 2022£9,275£44K£39K1
31 Oct 2021£28£34K£40K1
31 Oct 2020£347£19K£23K1
31 Oct 2019£7,435£36K£27K
31 Oct 2018£208£35K£35K

Who runs and owns K Mullen Limited

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

Officers (2)

NameRoleAppointed
B*** J***DirectorNov 2017
S*** J***DirectorNov 2017
2 former officers
NameRoleAppointedLeft
J*** M***DirectorNov 2017Aug 2020
K*** M***DirectorNov 2017Jul 2018

Person with significant control

Individual · since Nov 2017
B*** J***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where K Mullen Limited is registered

K Mullen Limited's registered office on a map of the UK

The registered office is in St Helens (WA10), in the St. Helens local authority area, North West. Show WA10 5QE on a map.

Other trade companies in WA10

What happens if K Mullen 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 July 2027.

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

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

HMRC (CT600)FromPenalty
1 day late1 Nov 2027£200
3 months late31 Jan 2028another £200
6 months late30 Apr 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Oct 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
11046472
Status
Active
Company type
Private limited company
Incorporated
3 November 2017 (8 years ago)
Registered office
Lower Barrowfield Farm, Houghtons Lane, St Helens, WA10 5QE
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 October (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 October 2025
Last confirmation statement
2 November 2025

Filing notes for specialist construction companies

Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.

Similar companies in St Helens

Other active specialist construction companies registered in St Helens.

All specialist construction companies in St Helens · All trades in St Helens · Specialist contractors across the UK

Frequently asked questions

When are K Mullen Limited's accounts due?

K Mullen Limited's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.

When is K Mullen Limited's CT600 due?

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

Is K Mullen Limited still trading?

K Mullen 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 K Mullen Limited do?

K Mullen Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is K Mullen Limited?

K Mullen Limited was incorporated on 3 November 2017, 8 years ago.

Who runs K Mullen Limited?

K Mullen Limited has 2 active directors, the longest-serving appointed in Nov 2017. Their names and service addresses are on the Companies House register.

Who owns K Mullen Limited?

One person or company has significant control of K Mullen Limited: an individual (owns 75% or more of the shares).

What is the penalty if K Mullen 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 K Mullen 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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