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Company profile · Finishing trades

Mainclad Limited

Mainclad Limited is a 15-year-old private limited company registered in Southampton, company number 07518471, one of 181 building finishing companies in Southampton. Its next accounts are due at Companies House on 29 December 2026, and the CT600 for the period to 29 March 2026 is due at HMRC on 29 March 2027.

Active 07518471 Total exemption (full) accounts Southampton Since 2011

Key dates

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

Accounts due
29 Dec 2026
in 78 days
For the period to 29 Mar 2026
CT600 due
29 Mar 2027
in 168 days
Period 30 Mar 2025 to 29 Mar 2026
Corporation tax payment
30 Dec 2026
in 79 days
9 months and 1 day after the period end
Confirmation statement
21 Feb 2027
in 132 days
Last made up to 7 Feb 2026

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Financial snapshot, 2025

From the balance sheet at 29 March 2025, as filed at Companies House.

Net assets
£169K
-33.6% on the year before
Cash at bank
£173
-99.0% on the year before
Current assets
£90K
Owed within a year
£27K
Creditors due within one year
Employees
1
Average during the year, including directors

Mainclad Limited over the years

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 £86K (-33.6%) on the year before, to £169K.
  • Net assets rose in 3 of 9 year-on-year comparisons on record.
  • Current assets of £90K against £27K owed within a year: 3.4 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 10 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£200K£400K31 March 2017: net assets £128K201731 March 2018: net assets £105K201831 March 2019: net assets £116K201931 March 2020: net assets £318K202030 March 2021: net assets £482K202131 March 2021: net assets £482K202130 March 2022: net assets £471K202229 March 2023: net assets £313K202329 March 2024: net assets £255K202429 March 2025: net assets £169K£169K2025
Net assets at each year end, 2017 to 2025£0£200K£400K31 March 2017: net assets £128K'1731 March 2018: net assets £105K'1831 March 2019: net assets £116K'1931 March 2020: net assets £318K'2030 March 2021: net assets £482K'2131 March 2021: net assets £482K'2130 March 2022: net assets £471K'2229 March 2023: net assets £313K'2329 March 2024: net assets £255K'2429 March 2025: net assets £169K£169K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
29 Mar 2025£169K£173£90K£27K1
29 Mar 2024£255K£18K£115K£13K1
29 Mar 2023£313K£62K£156K£11K1
30 Mar 2022£471K£251K£326K£20K1
31 Mar 2021£482K£356K£398K£96K1
30 Mar 2021£482K£356K£398K£96K1
31 Mar 2020£318K£253K£377K£189K1
31 Mar 2019£116K£97K£134K£132K2
31 Mar 2018£105K£68K£62K£51K2
31 Mar 2017£128K£86K£82K

Where Mainclad Limited is registered

Mainclad Limited's registered office on a map of the UK

The registered office is in Southampton (SO19), in the Southampton local authority area, South East. Show SO19 9BA on a map.

Other trade companies in SO19

Also registered at this address

13 other companies use the same registered office as Mainclad Limited.

What happens if Mainclad 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 29 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late30 Dec 2026 to 29 Jan 2027£150
1 to 3 months late30 Jan 2027 to 29 Mar 2027£375
3 to 6 months late30 Mar 2027 to 29 Jun 2027£750
More than 6 months lateFrom 30 Jun 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late30 Mar 2027£200
3 months late29 Jun 2027another £200
6 months late29 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late29 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
07518471
Status
Active
Company type
Private limited company
Incorporated
7 February 2011 (15 years ago)
Registered office
33A Portsmouth Road, Woolston, Southampton, Hampshire, SO19 9BA
Nature of business
Other building completion and finishing (SIC 43390)
Year end
29 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
29 March 2025
Last confirmation statement
7 February 2026
Charges (mortgages)
3 outstanding of 3 registered

Filing notes for building finishing companies

Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.

Similar companies in Southampton

Other active building finishing companies registered in Southampton.

All building finishing companies in Southampton · All trades in Southampton · Finishing trades across the UK

Frequently asked questions

When are Mainclad Limited's accounts due?

Mainclad Limited's next accounts are due at Companies House by 29 December 2026 (in 78 days), covering the period to 29 March 2026.

When is Mainclad Limited's CT600 due?

The CT600 for the period to 29 March 2026 is due at HMRC by 29 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 December 2026.

Is Mainclad Limited still trading?

Mainclad 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 Mainclad Limited do?

Mainclad Limited is registered under Other building completion and finishing (SIC 43390).

How old is Mainclad Limited?

Mainclad Limited was incorporated on 7 February 2011, 15 years ago.

What is the penalty if Mainclad 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 Mainclad 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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