- Companies
- Electricians
- Calne
- Integrated Electrical Security Ltd
Integrated Electrical Security Ltd
- Company number
- 09489887
- Incorporated
- 13 Mar 201511 years trading
- Registered office
- 239 Quemerford, Calne, SN11 8LA
- Nature of business
- Electrical installation
Integrated Electrical Security Ltd is a 11-year-old private limited company registered in Calne, company number 09489887, one of 16 electrical contractors in Calne. 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 down £11K (-9.7%) on the year before, to £100K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £103K against £77K owed within a year: 1.3 times cover.
- 2 employees on average, up from 1 the year before.
- 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 | £100K | £103K | £77K | 2 | |
| 31 Mar 2024 | £110K | £121K | £40K | 1 | |
| 31 Mar 2023 | £113K | £124K | £41K | 1 | |
| 31 Mar 2022 | £86K | £98K | £36K | 1 | |
| 31 Mar 2021 | £75K | £94K | £117K | £51K | 1 |
| 31 Mar 2020 | £51K | £31K | £57K | £15K | 2 |
| 31 Mar 2019 | £51K | £80K | £95K | £31K | |
| 31 Mar 2018 | £26K | £64K | £85K | £20K | 0 |
| 31 Mar 2017 | £30K | £67K | £114K | £25K | 1 |
| 31 Mar 2016 | £1,717 | £35K | £74K | £13K | 2 |
Where Integrated Electrical Security Ltd is registered
The registered office is in Calne (SN11), in the Wiltshire local authority area, South West. Show SN11 8LA on a map.
Other trade companies in SN11
- Ionexis LimitedMachinery repair and installation
- B&L Mobile Car Repairs LtdMechanics and garages
- DCH Services (Wilts) LtdPlumbers and heating engineers
- Ezzyfix Auto Solutions LtdMotor traders
- Set Stone Tiling LtdBuilders
- C.D Substructures LtdBuilders
- Ever So Good Home Improvements LtdSpecialist contractors
- Hardy's Smart Repairs LtdMechanics and garages
What happens if Integrated Electrical 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
- 09489887
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 March 2015 (11 years ago)
- Registered office
- 239 Quemerford, Calne, SN11 8LA
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 28 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 Calne
Other active electrical contractors registered in Calne.
- J.K. Cuthbert & Son Limited1978
- KGH Electrical Ltd2022
- MRB Electrical Ltd2024
- NDJ Electrical Services Ltd2022
- RSF Electrics Limited2022
- SJ Electrical Contracting Ltd2021
- Ultra-Warm Limited1970
- Wilts Electrical Contracting Limited2004
All electrical contractors in Calne · All trades in Calne · Electricians across the UK
Frequently asked questions
When are Integrated Electrical Security Ltd's accounts due?
Integrated Electrical 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 Integrated Electrical 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 Integrated Electrical Security Ltd still trading?
Integrated Electrical 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 Integrated Electrical Security Ltd do?
Integrated Electrical Security Ltd is registered under Electrical installation (SIC 43210).
How old is Integrated Electrical Security Ltd?
Integrated Electrical Security Ltd was incorporated on 13 March 2015, 11 years ago.
What is the penalty if Integrated Electrical 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 Integrated Electrical 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.