- Companies
- Electricians
- Larbert
- Ajk Electrical & Security Ltd
Ajk Electrical & Security Ltd
- Company number
- SC685519
- Incorporated
- 11 Jan 20215 years trading
- Registered office
- 26 McCowan Crescent, Larbert, FK5 4XH
- Nature of business
- Electrical installation; Security systems service activities; Fire service activities
Ajk Electrical & Security Ltd is a 5-year-old private limited company registered in Larbert, company number SC685519, one of 8 electrical contractors in Larbert. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £1,205 (-52.1%) on the year before, to £1,109.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £19K against £34K owed within a year: 0.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £1,109 | £19K | £34K | 1 | |
| 31 Jan 2024 | £2,314 | £13K | £21K | 1 | |
| 31 Jan 2023 | £1,585 | £12K | £16K | 1 | |
| 31 Jan 2022 | £9 | £13K | £18K | 1 |
Where Ajk Electrical & Security Ltd is registered
The registered office is in Larbert (FK5), in the Falkirk local authority area, Scotland. Show FK5 4XH on a map.
Other trade companies in FK5
- Lannair Property LimitedProperty developers
- Ochil Joinery LtdJoiners and carpenters
- DCR Drilling LimitedGroundworks and demolition
- Custom Garden & Landscaping LtdLandscapers and gardeners
- Cockburn Auto Electrical Services LtdMechanics and garages
- Central Pipework Services LtdInstallers
- GM Tiling LtdFloor and wall tilers
- Bee Jay Flooring LimitedFloor and wall tilers
What happens if Ajk Electrical & Security 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- SC685519
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 January 2021 (5 years ago)
- Registered office
- 26 McCowan Crescent, Larbert, FK5 4XH
- Nature of business
- Electrical installation (SIC 43210)
Security systems service activities (SIC 80200)
Fire service activities (SIC 84250) - Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 10 January 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.
Similar companies in Larbert
Other active electrical contractors registered in Larbert.
- Falcon Electrical Engineering Limited1984
- Falcon Electrical Testing Limited2012
- Gis Electrical Limited2016
- Laudenergy Ltd2025
- Power Data Solutions Limited2007
- RG Trade Services Ltd2023
- SK88 Electrical Ltd2026
All electrical contractors in Larbert · All trades in Larbert · Electricians across the UK
Frequently asked questions
When are Ajk Electrical & Security Ltd's accounts due?
Ajk Electrical & Security Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Ajk Electrical & Security Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Ajk Electrical & Security Ltd still trading?
Ajk Electrical & Security 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 Ajk Electrical & Security Ltd do?
Ajk Electrical & Security Ltd is registered under Electrical installation (SIC 43210); Security systems service activities (SIC 80200); Fire service activities (SIC 84250).
How old is Ajk Electrical & Security Ltd?
Ajk Electrical & Security Ltd was incorporated on 11 January 2021, 5 years ago.
What is the penalty if Ajk Electrical & Security 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 Ajk Electrical & Security Ltd 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.