- Companies
- Electricians
- Bangor
- Mon Electrical Ltd
Mon Electrical Ltd
- Company number
- 15359673
- Incorporated
- 18 Dec 20232 years trading
- Registered office
- Suite 5A, 30 Dean Street, Bangor, LL57 1UR
- Nature of business
- Electrical installation
Mon Electrical Ltd is a 2-year-old private limited company registered in Bangor, company number 15359673, one of 34 electrical contractors in Bangor. 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.
Where Mon Electrical Ltd is registered
The registered office is in Bangor (LL57), in the Gwynedd local authority area, Wales. Show LL57 1UR on a map.
Other trade companies in LL57
- Purple Plumbers LimitedPlumbers and heating engineers
- E.R.A Humphreys LimitedCivil engineering
- Morris&Owens LimitedPlasterers
- North Coast Carpentry and Construction LimitedJoiners and carpenters
- P M Williams & Son LtdBuilders
- K Gorilla Cars LtdMotor traders
- Gwynedd Scaffolding LimitedScaffolders
- J&G Building and Assembling LtdBuilders
Also registered at this address
10 other companies use the same registered office as Mon Electrical Ltd.
- Bic Decor LtdPainters and decorators
- Bmi Systems LimitedMachinery repair and installation
- DM Design & Build LimitedProperty developers
- Dragon Carpets & Upholstery Cleaning LtdCleaning companies
- J H Plumbing and Renewables LtdPlumbers and heating engineers
- N.S.W Patio Specialist LtdLandscapers and gardeners
- Owen & Davies Roofing and Solar LtdRoofers
- Relm Group LtdBuilders
- Roebuck Developments LimitedBuilders
- Yardley Property Development LimitedElectricians
What happens if Mon Electrical 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
- 15359673
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 December 2023 (2 years ago)
- Registered office
- Suite 5A, 30 Dean Street, Bangor, LL57 1UR
- 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
- 17 December 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 Bangor
Other active electrical contractors registered in Bangor.
- MRM Technical Solutions Ltd2026
- Nexus Engineering (NW) Ltd2025
- NI Solar House Ltd2019
- North Down Electrics Limited2020
- North Down Security Installations Ltd2020
- Orets Limited2023
- Owen & Palmer Limited1973
- Patrick Roche Limited2012
All electrical contractors in Bangor · All trades in Bangor · Electricians across the UK
Frequently asked questions
When are Mon Electrical Ltd's accounts due?
Mon Electrical 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 Mon Electrical 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 Mon Electrical Ltd still trading?
Mon Electrical 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 Mon Electrical Ltd do?
Mon Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is Mon Electrical Ltd?
Mon Electrical Ltd was incorporated on 18 December 2023, 2 years ago.
What is the penalty if Mon Electrical 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 Mon Electrical 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.