- Companies
- Electricians
- Londonderry
- George MCG Mechanical Ltd
George MCG Mechanical Ltd
- Company number
- NI743215
- Incorporated
- 24 Aug 2026
- Registered office
- 1 Kenmare Park, Londonderry, BT48 0DE
- Nature of business
- Electrical installation; Other construction installation
George MCG Mechanical Ltd is a newly incorporated private limited company registered in Londonderry, company number NI743215, one of 48 electrical contractors in Londonderry. Its next accounts are due at Companies House on 24 May 2028, and its first CT600 is due at HMRC on 23 August 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where George MCG Mechanical Ltd is registered
The registered office is in Londonderry (BT48), in the Derry City and Strabane local authority area, Northern Ireland. Show BT48 0DE on a map.
Other trade companies in BT48
- Neat & Nurtured Vics Cleaning LimitedCleaning companies
- Ked Brick & Blockwork LtdBuilders
- Zapcars LtdMotor traders
- TMC Electrics LtdElectricians
- Northern Diesels LtdMotor traders
- Coyle Reclamation & Salvage LtdSpecialist contractors
- KK Electrical Solutions Ireland LimitedElectricians
- R Wilkie Developments LtdBuilders
What happens if George MCG Mechanical 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 24 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 May 2028 to 24 Jun 2028 | £150 |
| 1 to 3 months late | 25 Jun 2028 to 24 Aug 2028 | £375 |
| 3 to 6 months late | 25 Aug 2028 to 24 Nov 2028 | £750 |
| More than 6 months late | From 25 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2029 | 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
- NI743215
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 August 2026
- Registered office
- 1 Kenmare Park, Londonderry, BT48 0DE
- Nature of business
- Electrical installation (SIC 43210)
Other construction installation (SIC 43290) - Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
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 Londonderry
Other active electrical contractors registered in Londonderry.
- Glenroe Integrated Services Ltd2026
- Global Automation Support Ltd2026
- H & G Contracts Limited2021
- Inchinagh Electrical Ltd2022
- J D A Electrics Ltd2000
- K S Electrics (NI) Ltd2000
- Killerfaith Ltd2025
- KK Electrical Solutions Ireland Limited2026
All electrical contractors in Londonderry · All trades in Londonderry · Electricians across the UK
Frequently asked questions
When are George MCG Mechanical Ltd's accounts due?
George MCG Mechanical Ltd's next accounts are due at Companies House by 24 May 2028 (in 589 days), covering the period to 31 August 2027.
When is George MCG Mechanical Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 23 August 2027, due by 23 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is George MCG Mechanical Ltd still trading?
George MCG Mechanical 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 George MCG Mechanical Ltd do?
George MCG Mechanical Ltd is registered under Electrical installation (SIC 43210); Other construction installation (SIC 43290).
How old is George MCG Mechanical Ltd?
George MCG Mechanical Ltd was incorporated on 24 August 2026, less than a year ago.
What is the penalty if George MCG Mechanical 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 George MCG Mechanical 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.