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- Jco Security Ltd
Company profile · Electricians
Jco Security Ltd
Jco Security Ltd is a 17-year-old private limited company registered in Edgware, company number 06849592, one of 71 electrical contractors in Edgware. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Jco Security Ltd 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 £521 (-1.6%) on the year before, to £33K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £69K against £42K owed within a year: 1.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £33K | £22K | £69K | £42K | 2 |
| 31 Mar 2024 | £33K | £60K | £29K | 2 | |
| 31 Mar 2023 | £36K | £69K | £37K | 2 | |
| 31 Mar 2022 | £18K | £63K | £52K | 2 | |
| 31 Mar 2021 | £11K | £45K | £42K | 2 | |
| 31 Mar 2020 | £608 | £27K | £27K | 2 | |
| 31 Mar 2019 | £170 | £36K | £36K | ||
| 31 Mar 2018 | £9 | £47K | £48K | ||
| 31 Mar 2017 | £4,651 | £27K | £54K | £51K | |
| 31 Mar 2016 | £202 | £18K | £46K | £47K |
Where Jco Security Ltd is registered
The registered office is in Edgware (HA8), in the Harrow local authority area, London. Show HA8 5TT on a map.
Other trade companies in HA8
- Capital Roadside & Motors LtdMotor traders
- Shreeji Decor LtdInstallers
- Kohli Group Properties LimitedProperty developers
- Brothers Landmark LtdProperty developers
- MS Flooring & Decor LtdFloor and wall tilers
- C&I Building Solutions LtdBuilders
- Dynamic Mobile Tyre LtdMechanics and garages
- Crownline Motors LtdMotor traders
What happens if Jco 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 06849592
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 March 2009 (17 years ago)
- Registered office
- 62 Whistler Gardens, Edgware, Edgware, Middlesex, HA8 5TT
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 9 March 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 Edgware
Other active electrical contractors registered in Edgware.
- Jdyl Limited2020
- Jhon Electrical Limited2018
- Jogi Maintenance London Ltd2025
- Joy Refurbishment UK Ltd2024
- JP Electric Ltd2015
- Kevlar Asset Services Ltd2026
- Laurentiu Service Ltd2018
- Light Delight Ltd2021
All electrical contractors in Edgware · All trades in Edgware · Electricians across the UK
Frequently asked questions
When are Jco Security Ltd's accounts due?
Jco Security Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Jco Security Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Jco Security Ltd still trading?
Jco 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 Jco Security Ltd do?
Jco Security Ltd is registered under Electrical installation (SIC 43210).
How old is Jco Security Ltd?
Jco Security Ltd was incorporated on 17 March 2009, 17 years ago.
What is the penalty if Jco 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 Jco 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.