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- Alg Electrical Limited
Company profile · Machinery repair and installation
Alg Electrical Limited
Alg Electrical Limited is a 21-year-old private limited company registered in Abercynon, company number 05408058, one of the UK's machinery repair and installation companies. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Alg Electrical 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 £7,673 (-23.7%) on the year before, to £25K.
- Net assets rose in 1 of 9 year-on-year comparisons on record.
- Current assets of £6,874 against £13K owed within a year: 0.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £25K | £6,874 | £13K | 1 | |
| 31 Mar 2025 | £32K | £14K | £12K | 1 | |
| 31 Mar 2024 | £25K | £7,374 | £13K | 2 | |
| 31 Mar 2023 | £30K | £7,938 | £9,822 | 3 | |
| 31 Mar 2022 | £31K | £11K | £48K | 3 | |
| 31 Mar 2021 | £91K | £43K | £21K | 3 | |
| 31 Mar 2020 | £150K | £146K | £135K | 3 | |
| 31 Mar 2019 | £260K | £317K | £197K | 3 | |
| 31 Mar 2018 | £306K | £486K | £293K | ||
| 31 Mar 2017 | £380K | £454K | £188K |
Where Alg Electrical Limited is registered
The registered office is in Abercynon (CF45), in the Rhondda Cynon Taf local authority area, Wales. Show CF45 4PD on a map.
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What happens if Alg Electrical 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 05408058
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 March 2005 (21 years ago)
- Registered office
- Tressilian House, 6 Tressilian Place, Abercynon, CF45 4PD
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 30 March 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies
Other active machinery repair and installation companies.
- Norman Clark (Gunsmiths) Limited2005
- Ellis Autos Limited2005
- Broadside Boatyard Limited2005
- Hilton Electrical (Penistone) Ltd2005
- Aztec Security Systems Limited2005
- Chem-Oil Engineering Limited2005
- DJ Maintenance Services Limited2005
- Aintree Hose & Hydraulics Limited2005
Machinery repair and installation across the UK
Frequently asked questions
When are Alg Electrical Limited's accounts due?
Alg Electrical Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Alg Electrical Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Alg Electrical Limited still trading?
Alg Electrical 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 Alg Electrical Limited do?
Alg Electrical Limited is registered under Installation of industrial machinery and equipment (SIC 33200).
How old is Alg Electrical Limited?
Alg Electrical Limited was incorporated on 30 March 2005, 21 years ago.
What is the penalty if Alg Electrical 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 Alg Electrical Limited on Companies House for filed documents, officers and the full history.
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.