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Io Electric Automation Consultancy Ltd

ActiveTotal exemption (full) accountsSpecialist contractorsLondon
Company number
13105120
Incorporated
30 Dec 20205 years trading
Registered office
278 Langham Road, London, N15 3NP
Nature of business
Other specialised construction activities n.e.c.; Other food services; Engineering related scientific and technical consulting activities; Other engineering activities
Accounts due in
168 days
31 Mar 2027
Checked with Companies House 14 Oct 2026

Io Electric Automation Consultancy Ltd is a 5-year-old private limited company registered in London, company number 13105120, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.

Key dates

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

Accounts due
31 Mar 2027
in 168 days
For the period to 30 Jun 2026
CT600 due
30 Jun 2027
in 259 days
Period 1 Jul 2025 to 30 Jun 2026
Corporation tax payment
1 Apr 2027
in 169 days
9 months and 1 day after the period end
Confirmation statement
26 Aug 2026
Overdue by 49 days
Last made up to 12 Aug 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 £2,598 (+292.6%) on the year before, to £3,486.
  • Net assets rose in 3 of 4 year-on-year comparisons on record.
  • 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£2,000£4,00031 July 2021: net assets £89£89202131 July 2022: net assets £5,795£5,795202230 June 2023: net assets £127£127202330 June 2024: net assets £888£888202430 June 2025: net assets £3,486£3,4862025
Net assets at each year end, 2021 to 2025£0£2,000£4,00031 July 2021: net assets £89£89202131 July 2022: net assets £5,795£5,795202230 June 2023: net assets £127£127202330 June 2024: net assets £888£888202430 June 2025: net assets £3,486£3,4862025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Jun 2025£3,486£21K£18K1
30 Jun 2024£888£21K£20K1
30 Jun 2023£127£9,481£9,3541
31 Jul 2022£5,795£4,970£8251
31 Jul 2021£89£9,690£9,6010

Where Io Electric Automation Consultancy Ltd is registered

Io Electric Automation Consultancy Ltd's registered office on a map of the UK

The registered office is in London (N15), in the Haringey local authority area, London. Show N15 3NP on a map.

Other trade companies in N15

Also registered at this address

3 other companies use the same registered office as Io Electric Automation Consultancy Ltd.

What happens if Io Electric Automation Consultancy 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 March 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Apr 2027 to 30 Apr 2027£150
1 to 3 months late1 May 2027 to 30 Jun 2027£375
3 to 6 months late1 Jul 2027 to 30 Sep 2027£750
More than 6 months lateFrom 1 Oct 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jul 2027£200
3 months late30 Sep 2027another £200
6 months late30 Dec 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Jun 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
13105120
Status
Active
Company type
Private limited company
Incorporated
30 December 2020 (5 years ago)
Registered office
278 Langham Road, London, N15 3NP
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Other food services (SIC 56290)
Engineering related scientific and technical consulting activities (SIC 71122)
Other engineering activities (SIC 71129)
Year end
30 June (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 June 2025
Last confirmation statement
12 August 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.

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Frequently asked questions

When are Io Electric Automation Consultancy Ltd's accounts due?

Io Electric Automation Consultancy Ltd's next accounts are due at Companies House by 31 March 2027 (in 168 days), covering the period to 30 June 2026.

When is Io Electric Automation Consultancy Ltd's CT600 due?

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

Is Io Electric Automation Consultancy Ltd still trading?

Io Electric Automation Consultancy Ltd is listed as active on the Companies House register (checked 14 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 Io Electric Automation Consultancy Ltd do?

Io Electric Automation Consultancy Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Other food services (SIC 56290); Engineering related scientific and technical consulting activities (SIC 71122); Other engineering activities (SIC 71129).

How old is Io Electric Automation Consultancy Ltd?

Io Electric Automation Consultancy Ltd was incorporated on 30 December 2020, 5 years ago.

What is the penalty if Io Electric Automation Consultancy 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 Io Electric Automation Consultancy 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, rechecked 14 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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