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- Blue Security Systems Ltd
Company profile · Electricians
Blue Security Systems Ltd
Blue Security Systems Ltd is a 19-year-old private limited company registered in Westerham, company number 06127206, one of 50 electrical contractors in Westerham. 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.
Blue Security Systems 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 £33K (-7.1%) on the year before, to £430K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £537K against £170K owed within a year: 3.2 times cover.
- 5 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 | £430K | £421K | £537K | £170K | 5 |
| 31 Mar 2024 | £463K | £445K | £552K | £142K | 5 |
| 31 Mar 2023 | £497K | £548K | £609K | £150K | 5 |
| 31 Mar 2022 | £444K | £459K | £579K | £180K | 5 |
| 31 Mar 2021 | £372K | £463K | £538K | £207K | 5 |
| 31 Mar 2020 | £333K | £318K | £421K | £136K | 5 |
| 31 Mar 2019 | £266K | £334K | £391K | £139K | 5 |
| 31 Mar 2018 | £215K | £237K | £286K | £89K | 4 |
| 31 Mar 2017 | £148K | £194K | £238K | £108K | 3 |
| 31 Mar 2016 | £116K | £160K | £199K | £108K |
Where Blue Security Systems Ltd is registered
The registered office is in Westerham (TN16), in the Sevenoaks local authority area, South East. Show TN16 1DE on a map.
Other trade companies in TN16
- Fuller & Sons Carpentry LtdProperty developers
- Protech Air Solutions LtdPlumbers and heating engineers
- DW Construction (South) LimitedCivil engineering
- Danvic Facilities & Refurbishment LimitedSpecialist contractors
- The Plumbing Brothers LtdFinishing trades
- Beckenham Driveways and Patios LtdInstallers
- Christmas Tree Farm Outdoors Services LtdLandscapers and gardeners
- Jak Rolling LimitedPainters and decorators
What happens if Blue Security Systems 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
- 06127206
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 February 2007 (19 years ago)
- Registered office
- Unit 3 Westerham Trade Centre, The Flyers Way, Westerham, Kent, TN16 1DE
- 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
- 26 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 Westerham
Other active electrical contractors registered in Westerham.
- Brightside Mechanical and Electrical Services Ltd2023
- Chodacki Electrical Services Limited2007
- Coutts Electrical Contractors Ltd2020
- CTB Electrical Solutions Ltd2025
- Daiker Building Services Limited2002
- Dickson Electrical Limited2006
- DSLC Services Limited2012
- DTX Solutions Ltd2009
All electrical contractors in Westerham · All trades in Westerham · Electricians across the UK
Frequently asked questions
When are Blue Security Systems Ltd's accounts due?
Blue Security Systems 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 Blue Security Systems 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 Blue Security Systems Ltd still trading?
Blue Security Systems 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 Blue Security Systems Ltd do?
Blue Security Systems Ltd is registered under Electrical installation (SIC 43210).
How old is Blue Security Systems Ltd?
Blue Security Systems Ltd was incorporated on 26 February 2007, 19 years ago.
What is the penalty if Blue Security Systems 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 Blue Security Systems 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.