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Company profile · Specialist contractors

On Electrical Ltd

On Electrical Ltd is a 21-year-old private limited company registered in Southampton, company number 05456042, one of 202 specialist construction companies in Southampton. 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.

Active 05456042 Total exemption (full) accounts Southampton Since 2005

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
15 Jul 2027
in 276 days
Last made up to 1 Jul 2026

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On Electrical Ltd 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 £5,409 (-94.8%) on the year before, to £298.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • 1 employee on average, up from 0 the year before.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£5,000£10K31 March 2016: net assets £1,951201631 March 2017: net assets £9,643201731 March 2018: net assets £14K201831 March 2019: net assets £7,323201931 March 2020: net assets £7,599202031 March 2021: net assets £2,911202131 March 2022: net assets £6,012202231 March 2023: net assets £4,147202331 March 2024: net assets £5,707202431 March 2025: net assets £298£2982025
Net assets at each year end, 2016 to 2025£0£5,000£10K31 March 2016: net assets £1,951'1631 March 2017: net assets £9,643'1731 March 2018: net assets £14K'1831 March 2019: net assets £7,323'1931 March 2020: net assets £7,599'2031 March 2021: net assets £2,911'2131 March 2022: net assets £6,012'2231 March 2023: net assets £4,147'2331 March 2024: net assets £5,707'2431 March 2025: net assets £298£298'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£298£7,555£3,2571
31 Mar 2024£5,707£14K£3,2930
31 Mar 2023£4,147£1,5282
31 Mar 2022£6,012£15K£4,1032
31 Mar 2021£2,911£3,468£9,392£9752
31 Mar 2020£7,599£708£4,507£2,9002
31 Mar 2019£7,323£5,083£13K£5,741
31 Mar 2018£14K£29K£29K£16K
31 Mar 2017£9,643£15K£17K£8,262
31 Mar 2016£1,951£424£4,056£3,059

Where On Electrical Ltd is registered

On Electrical Ltd's registered office on a map of the UK

The registered office is in Southampton (SO16), in the Southampton local authority area, South East. Show SO16 8ED on a map.

Other trade companies in SO16

What happens if On Electrical 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
05456042
Status
Active
Company type
Private limited company
Incorporated
18 May 2005 (21 years ago)
Registered office
40 Beaulieu Close, Southampton, SO16 8ED
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2025
Last confirmation statement
1 July 2026
Previous names
On Electrical Installation and Testing Limited (until 27 Sep 2010)

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 Southampton

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Frequently asked questions

When are On Electrical Ltd's accounts due?

On Electrical 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 On Electrical 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 On Electrical Ltd still trading?

On Electrical 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 On Electrical Ltd do?

On Electrical Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is On Electrical Ltd?

On Electrical Ltd was incorporated on 18 May 2005, 21 years ago.

What is the penalty if On Electrical 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 On Electrical 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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