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  4. Blackrock Electrical Ltd

Blackrock Electrical Ltd

ActiveMicro-entity accountsElectriciansAbingdon
Company number
09593976
Incorporated
15 May 201511 years trading
Registered office
58A Hadland Road, Abingdon, Oxfordshire, OX14 3YH
Nature of business
Electrical installation
Accounts due in
139 days
28 Feb 2027
Net assets
£90K▲
+64.5% on the year before
Employees
5
Average during the year
From the Companies House register, 1 Oct 2026

Blackrock Electrical Ltd is a 11-year-old private limited company registered in Abingdon, company number 09593976, one of 36 electrical contractors in Abingdon. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.

Key dates

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

Accounts due
28 Feb 2027
in 139 days
For the period to 31 May 2026
CT600 due
31 May 2027
in 231 days
Period 1 Jun 2025 to 31 May 2026
Corporation tax payment
1 Mar 2027
in 140 days
9 months and 1 day after the period end
Confirmation statement
29 May 2027
in 229 days
Last made up to 15 May 2026

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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 £35K (+64.5%) on the year before, to £90K.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £155K against £86K owed within a year: 1.8 times cover.
  • 5 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£50K31 May 2016: net assets £3,225£3,225201631 May 2017: net assets £7,644£7,644201731 May 2018: net assets £9,888£9,888201831 May 2019: net assets £5,481£5,481201931 May 2020: net assets £470£470202031 May 2021: net assets £3,676£3,676202131 May 2022: net assets -£6,465-£6,465202231 May 2023: net assets £34K£34K202331 May 2024: net assets £55K£55K202431 May 2025: net assets £90K£90K2025
Net assets at each year end, 2016 to 2025£0£50K31 May 2016: net assets £3,225£3,225'1631 May 2017: net assets £7,644£7,644'1731 May 2018: net assets £9,888£9,888'1831 May 2019: net assets £5,481£5,481'1931 May 2020: net assets £470£470'2031 May 2021: net assets £3,676£3,676'2131 May 2022: net assets -£6,465-£6,465'2231 May 2023: net assets £34K£34K'2331 May 2024: net assets £55K£55K'2431 May 2025: net assets £90K£90K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 May 2025£90K£155K£86K5
31 May 2024£55K£95K£60K5
31 May 2023£34K£124K£98K5
31 May 2022-£6,465£34K£44K4
31 May 2021£3,676£47K£38K2
31 May 2020£470£35K£30K3
31 May 2019£5,481£16K£18K3
31 May 2018£9,888£23K£19K1
31 May 2017£7,644£2,256£17K£16K1
31 May 2016£3,225£1,616£17K£14K

Who runs and owns Blackrock Electrical Ltd

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

Officer

NameRoleAppointed
L*** B***DirectorMay 2015

Person with significant control

Individual · since Apr 2016
L*** B***
Owns 75% or more of the shares
Holds 75% or more of the votes

Where Blackrock Electrical Ltd is registered

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

The registered office is in Abingdon (OX14), in the Vale of White Horse local authority area, South East. Show OX14 3YH on a map.

Other trade companies in OX14

What happens if Blackrock 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 28 February 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Mar 2027 to 31 Mar 2027£150
1 to 3 months late1 Apr 2027 to 31 May 2027£375
3 to 6 months late1 Jun 2027 to 31 Aug 2027£750
More than 6 months lateFrom 1 Sep 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jun 2027£200
3 months late31 Aug 2027another £200
6 months late30 Nov 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 May 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
09593976
Status
Active
Company type
Private limited company
Incorporated
15 May 2015 (11 years ago)
Registered office
58A Hadland Road, Abingdon, Oxfordshire, OX14 3YH
Nature of business
Electrical installation (SIC 43210)
Year end
31 May (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 May 2025
Last confirmation statement
15 May 2026

Filing notes for electrical contractors

Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.

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Frequently asked questions

When are Blackrock Electrical Ltd's accounts due?

Blackrock Electrical Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.

When is Blackrock Electrical Ltd's CT600 due?

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

Is Blackrock Electrical Ltd still trading?

Blackrock 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 Blackrock Electrical Ltd do?

Blackrock Electrical Ltd is registered under Electrical installation (SIC 43210).

How old is Blackrock Electrical Ltd?

Blackrock Electrical Ltd was incorporated on 15 May 2015, 11 years ago.

Who runs Blackrock Electrical Ltd?

Blackrock Electrical Ltd has 1 active director, the longest-serving appointed in May 2015. Their names and service addresses are on the Companies House register.

Who owns Blackrock Electrical Ltd?

One person or company has significant control of Blackrock Electrical Ltd: an individual (owns 75% or more of the shares).

What is the penalty if Blackrock 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 Blackrock 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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