- Companies
- Electricians
- Welwyn
- Acj Electrical Ltd
Acj Electrical Ltd
- Company number
- 10361899
- Incorporated
- 7 Sep 201610 years trading
- Registered office
- 7 the Chase, Welwyn, AL6 0QT
- Nature of business
- Electrical installation
Acj Electrical Ltd is a 10-year-old private limited company registered in Welwyn, company number 10361899, one of 9 electrical contractors in Welwyn. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £921 (-22.3%) on the year before, to £3,217.
- Net assets rose in 2 of 8 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £3,217 | £3,063 | 2 | ||
| 30 Sep 2024 | £4,138 | £4,237 | 2 | ||
| 30 Sep 2023 | £7,688 | £6,358 | 0 | ||
| 30 Sep 2022 | £9,636 | £2,921 | 0 | ||
| 30 Sep 2021 | £20K | £5,729 | 0 | ||
| 30 Sep 2020 | £12K | £6,627 | 0 | ||
| 30 Sep 2019 | £14K | £4,402 | |||
| 30 Sep 2018 | £17K | £16K | |||
| 30 Sep 2017 | £3,973 | £6,915 |
Where Acj Electrical Ltd is registered
The registered office is in Welwyn (AL6), in the Welwyn Hatfield local authority area, East of England. Show AL6 0QT on a map.
Other trade companies in AL6
- Herts Climate Solutions LtdPlumbers and heating engineers
- Cosmorepairs LtdRepair services
- Little Enterprise Group LtdProperty developers
- Sehiti Plumbing and Heating LtdPlumbers and heating engineers
- LMC Highway Design LtdCivil engineering
- Fox Huhu Trading LimitedBuilders
- Enclosure Zoolutions LtdProperty developers
- G.I. Installation Services LimitedBuilders
What happens if Acj 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2028 | another 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
- 10361899
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 September 2016 (10 years ago)
- Registered office
- 7 the Chase, Welwyn, AL6 0QT
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 30 August 2025
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.
Similar companies in Welwyn
Other active electrical contractors registered in Welwyn.
- Audio Visual Facilities Limited2000
- Becks Electrical & Building Services Limited2017
- Crest Electrical Ltd2022
- Eden Mechanical & Electrical Ltd2023
- Ginn Electrical Ltd2018
- Herts Ev Specialists Ltd2020
- Huenique Ltd2024
- Maedean Ltd2021
All electrical contractors in Welwyn · All trades in Welwyn · Electricians across the UK
Frequently asked questions
When are Acj Electrical Ltd's accounts due?
Acj Electrical Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Acj Electrical Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Acj Electrical Ltd still trading?
Acj Electrical Ltd is listed as active on the Companies House register (checked 12 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 Acj Electrical Ltd do?
Acj Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is Acj Electrical Ltd?
Acj Electrical Ltd was incorporated on 7 September 2016, 10 years ago.
What is the penalty if Acj 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 Acj Electrical Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.