- Companies
- Electricians
- Barry
- CMB Electrics & Security Ltd
CMB Electrics & Security Ltd
- Company number
- 11695841
- Incorporated
- 26 Nov 20187 years trading
- Registered office
- 21 Rhoose Road, Rhoose, Barry, CF62 3EQ
- Nature of business
- Electrical installation; Security systems service activities
CMB Electrics & Security Ltd is a 7-year-old private limited company registered in Barry, company number 11695841, one of 30 electrical contractors in Barry.
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 £10K (-24.9%) on the year before, to £31K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £71K against £37K owed within a year: 1.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2019 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £31K | £89 | £71K | £37K | 1 |
| 30 Nov 2023 | £41K | £45K | £5,398 | 1 | |
| 30 Nov 2022 | £23K | £20K | £840 | 1 | |
| 30 Nov 2021 | £8,230 | 2 | |||
| 30 Nov 2020 | £8,230 | 1 | |||
| 30 Nov 2019 | £8,230 | £0 | £0 | £0 | 1 |
Where CMB Electrics & Security Ltd is registered
The registered office is in Barry (CF62), in the Vale of Glamorgan local authority area, Wales. Show CF62 3EQ on a map.
Other trade companies in CF62
- Apex Oak LimitedProperty developers
- Cooksey Interiors LtdInstallers
- Neart Decorating LtdProperty developers
- Agnew Property Services LimitedLandscapers and gardeners
- Barnscleans LtdCleaning companies
- MB Wireless & Ip Solutions LtdElectricians
- Htec Off-Road LtdMotor traders
- Mill Construction Services LtdFinishing trades
What happens if CMB Electrics & 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 August 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2026 to 30 Sep 2026 | £150 |
| 1 to 3 months late | 1 Oct 2026 to 30 Nov 2026 | £375 |
| 3 to 6 months late | 1 Dec 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 11695841
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 November 2018 (7 years ago)
- Registered office
- 21 Rhoose Road, Rhoose, Barry, CF62 3EQ
- Nature of business
- Electrical installation (SIC 43210)
Security systems service activities (SIC 80200) - Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 29 October 2025
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 Barry
Other active electrical contractors registered in Barry.
- Coslec Ltd2021
- Electricians247.Co.UK. Ltd2025
- Energy Renewable Solutions Ltd2023
- Huttons Lighting Ltd2026
- James GS Electrical Limited2024
- JLP Electrical & Fire Ltd2014
- KTC Maintenance Ltd2015
- Leading Lignt Limited2025
All electrical contractors in Barry · All trades in Barry · Electricians across the UK
Frequently asked questions
When are CMB Electrics & Security Ltd's accounts due?
The register showed CMB Electrics & Security Ltd's accounts as due on 31 August 2026. That date has passed; the Companies House register shows whether they have been filed since.
When is CMB Electrics & Security Ltd's CT600 due?
The CT600 for the period to 30 November 2025 is due at HMRC by 30 November 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2026.
Is CMB Electrics & Security Ltd still trading?
CMB Electrics & 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 CMB Electrics & Security Ltd do?
CMB Electrics & Security Ltd is registered under Electrical installation (SIC 43210); Security systems service activities (SIC 80200).
How old is CMB Electrics & Security Ltd?
CMB Electrics & Security Ltd was incorporated on 26 November 2018, 7 years ago.
What is the penalty if CMB Electrics & 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 CMB Electrics & 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.