- Companies
- Electricians
- Harrow
- Sec Contracting Ltd
Sec Contracting Ltd
- Company number
- 13052229
- Incorporated
- 30 Nov 20205 years trading
- Registered office
- DNS House, 382 Kenton Road, Harrow, Middlesex, HA3 8DP
- Nature of business
- Electrical installation
Sec Contracting Ltd is a 5-year-old private limited company registered in Harrow, company number 13052229, one of 200 electrical contractors in Harrow. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 up £7,309 (+9.2%) on the year before, to £87K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 6 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £87K | 3 | |||
| 30 Nov 2024 | £79K | 2 | |||
| 30 Nov 2023 | £216 | 0 | |||
| 30 Nov 2022 | -£27K | 0 | |||
| 30 Nov 2021 | £44K | 0 | |||
| 29 Nov 2021 | £42K | 0 |
Where Sec Contracting Ltd is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 8DP on a map.
Other trade companies in HA3
- M&M Team Solutions LimitedCleaning companies
- Asr234 LimitedCivil engineering
- Shine Bright With NV LtdMechanics and garages
- Direct Sparks LtdMachinery repair and installation
- Meral Decoration & Maintenance LtdPainters and decorators
- Add22 LtdCivil engineering
- Floyd Cleaners LimitedCleaning companies
- Amalia&Ioana LimitedBuilders
Shared registered office
59 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Sec Contracting 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 13052229
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 November 2020 (5 years ago)
- Registered office
- DNS House, 382 Kenton Road, Harrow, Middlesex, HA3 8DP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 7 May 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 Harrow
Other active electrical contractors registered in Harrow.
- Shadow Utilities Ltd2013
- Shine Electrical Services Ltd2026
- Shreeji Services Private Limited2025
- Smart Bright Light Ltd2024
- Smart Cord Electricals Ltd2018
- Solar4Good UK Ltd2020
- Solartric Solutions Ltd2025
- Solidify M&E Ltd2024
All electrical contractors in Harrow · All trades in Harrow · Electricians across the UK
Frequently asked questions
When are Sec Contracting Ltd's accounts due?
Sec Contracting Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Sec Contracting Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Sec Contracting Ltd still trading?
Sec Contracting 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 Sec Contracting Ltd do?
Sec Contracting Ltd is registered under Electrical installation (SIC 43210).
How old is Sec Contracting Ltd?
Sec Contracting Ltd was incorporated on 30 November 2020, 5 years ago.
What is the penalty if Sec Contracting 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 Sec Contracting 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.