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- First Security Limited
Company profile · Electricians
First Security Limited
First Security Limited is a 19-year-old private limited company registered in Barnet, company number 06222875, one of 81 electrical contractors in Barnet. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 30 April 2025, as filed at Companies House.
First Security 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 £312 (-53.2%) on the year before, to £274.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £1,926 against £2,200 owed within a year: 0.9 times cover.
- 1 employee 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | £274 | £1,926 | £2,200 | 1 | |
| 30 Apr 2024 | £586 | £3,440 | £2,854 | 1 | |
| 30 Apr 2023 | £2,536 | £6,236 | £3,700 | 1 | |
| 30 Apr 2022 | £1,880 | £5,239 | £3,359 | 1 | |
| 30 Apr 2021 | £678 | £3,883 | £3,205 | 1 | |
| 30 Apr 2020 | £131 | £3,837 | £3,706 | 1 | |
| 30 Apr 2019 | £4,728 | £9,629 | £4,901 | ||
| 30 Apr 2018 | £5,095 | £10K | £5,318 | ||
| 30 Apr 2017 | £1,688 | £6,476 | £4,788 | ||
| 30 Apr 2016 | £2,993 | £4,610 | £7,610 | £4,617 |
Where First Security Limited is registered
The registered office is in Barnet (EN4), in the Barnet local authority area, London. Show EN4 8AL on a map.
Other trade companies in EN4
- Mechanica Frequentia Calculi LtdElectricians
- Conrad Cleaning LimitedCleaning companies
- Vreto & Co LtdCleaning companies
- Reclaim Automotive UK LtdMotor traders
- We Love 500'S LimitedMechanics and garages
- Vanta Gas & Heating LtdBuilders
- T C Developments LtdProperty developers
- Xran LtdBuilders
Also registered at this address
5 other companies use the same registered office as First Security Limited.
- Fairfield Investments (London) LimitedProperty developers
- Ig Construction LimitedSpecialist contractors
- JDJJ Properties LimitedProperty developers
- Nerja Holdings LimitedProperty developers
- Two Parishes Properties LimitedProperty developers
What happens if First Security 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 06222875
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 April 2007 (19 years ago)
- Registered office
- Network House, 110/112 Lancaster Road, Barnet, Hertfordshire, EN4 8AL
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 27 July 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 Barnet
Other active electrical contractors registered in Barnet.
- Freed Services Ltd2021
- Fusion Property Refurbishment Ltd2023
- Harrison Electrical 24/7 Ltd2026
- Helix Property Maintenance Limited2021
- Homemap Ltd2026
- Hutch Electrical Ltd2026
- Indigo Electrics Ltd2021
- J L M Electrical Contracting Limited2012
All electrical contractors in Barnet · All trades in Barnet · Electricians across the UK
Frequently asked questions
When are First Security Limited's accounts due?
First Security Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is First Security Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is First Security Limited still trading?
First Security 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 First Security Limited do?
First Security Limited is registered under Electrical installation (SIC 43210).
How old is First Security Limited?
First Security Limited was incorporated on 23 April 2007, 19 years ago.
What is the penalty if First Security 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 First Security 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.