- Companies
- Plumbers and heating engineers
- Gosport
- GMC Mechanical Ltd
GMC Mechanical Ltd
- Company number
- 14886765
- Incorporated
- 22 May 20233 years trading
- Registered office
- 45 Keyes Road, Gosport, PO13 0HZ
- Nature of business
- Plumbing, heat and air-conditioning installation
GMC Mechanical Ltd is a 3-year-old private limited company registered in Gosport, company number 14886765, one of 41 plumbing and heating companies in Gosport. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £3,131 (-17.8%) on the year before, to £14K.
- Current assets of £33K against £23K owed within a year: 1.4 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £14K | £1,916 | £33K | £23K | 2 |
| 31 May 2024 | £18K | £7,381 | £27K | £14K | 2 |
Where GMC Mechanical Ltd is registered
The registered office is in Gosport (PO13), in the Gosport local authority area, South East. Show PO13 0HZ on a map.
Other trade companies in PO13
- Dall Access & Maintenance LtdFinishing trades
- Kpac Solutions LtdPlumbers and heating engineers
- Barzan Car Wash LtdCleaning companies
- Korma LtdBuilders
- Steelmarch Group LtdMechanics and garages
- DS Refrigeration & Air Conditioning LtdPlumbers and heating engineers
- JFCS Refrigeration LtdPlumbers and heating engineers
- Socss LimitedSpecialist contractors
What happens if GMC 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 14886765
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 May 2023 (3 years ago)
- Registered office
- 45 Keyes Road, Gosport, PO13 0HZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 20 May 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Gosport
Other active plumbing and heating companies registered in Gosport.
- Gosport Gas and Plumbing Ltd2025
- Hampshire Heating Services Ltd2020
- Heatology Installations Limited2021
- HMS Plumbing Ltd2026
- Industrial Pipe Systems Limited2005
- JFCS Refrigeration Ltd2026
- L.B.S. Pipework Services Limited2006
- Lifetime Construction Limited1993
All plumbing and heating companies in Gosport · All trades in Gosport · Plumbers and heating engineers across the UK
Frequently asked questions
When are GMC Mechanical Ltd's accounts due?
GMC Mechanical Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is GMC Mechanical Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is GMC Mechanical Ltd still trading?
GMC 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 GMC Mechanical Ltd do?
GMC Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is GMC Mechanical Ltd?
GMC Mechanical Ltd was incorporated on 22 May 2023, 3 years ago.
What is the penalty if GMC 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 GMC 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.