- Companies
- Electricians
- London
- Red Sword Security Ltd
Red Sword Security Ltd
- Company number
- 06528238
- Incorporated
- 8 Mar 200818 years trading
- Registered office
- Fergusson House, 124 City Road, London, EC1V 2NX
- Nature of business
- Electrical installation; Non-specialised wholesale trade; Other telecommunications activities; Other service activities n.e.c.
Red Sword Security Ltd is a 18-year-old private limited company registered in London, company number 06528238, one of 3,448 electrical contractors in London. 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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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 unchanged on the year before, at £0.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £0 | £0 | £0 | 1 | |
| 31 Mar 2024 | £0 | £0 | £0 | 1 | |
| 31 Mar 2023 | £0 | £0 | £0 | 1 | |
| 31 Mar 2022 | £1 | £0 | £0 | 1 | |
| 31 Mar 2021 | £1 | £0 | £0 | 1 | |
| 31 Mar 2020 | £1 | £0 | £0 | 1 | |
| 31 Mar 2019 | £1,589 | £0 | £0 | ||
| 31 Mar 2018 | £875 | £0 | £0 | ||
| 31 Mar 2017 | £751 | £0 | £0 | ||
| 31 Mar 2016 | -£1,134 | £1,221 | £3,366 | £4,500 |
Where Red Sword Security Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Also registered at this address
1 other company uses the same registered office as Red Sword Security Ltd.
- Cable Synergy LtdElectricians
What happens if Red Sword 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
- 06528238
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 March 2008 (18 years ago)
- Registered office
- Fergusson House, 124 City Road, London, EC1V 2NX
- Nature of business
- Electrical installation (SIC 43210)
Non-specialised wholesale trade (SIC 46900)
Other telecommunications activities (SIC 61900)
Other service activities n.e.c. (SIC 96090) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 18 February 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 London
Other active electrical contractors registered in London.
- Red Volt Electrics Ltd2025
- Redcore Property Services Ltd2026
- Reds Electrical Ltd2025
- Redstone Brilliance Electrical Ltd2026
- Redwell Tech Services Ltd2026
- Reflect Electrical (North West) Limited2019
- Rehman Metal Limited2025
- Rel Cooling Services (UK) Limited2012
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Red Sword Security Ltd's accounts due?
Red Sword Security Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Red Sword 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 Red Sword Security Ltd still trading?
Red Sword 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 Red Sword Security Ltd do?
Red Sword Security Ltd is registered under Electrical installation (SIC 43210); Non-specialised wholesale trade (SIC 46900); Other telecommunications activities (SIC 61900); Other service activities n.e.c. (SIC 96090).
How old is Red Sword Security Ltd?
Red Sword Security Ltd was incorporated on 8 March 2008, 18 years ago.
What is the penalty if Red Sword 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 Red Sword 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.