- Companies
- Builders
- Londonderry
- GMG Contracts Limited
GMG Contracts Limited
- Company number
- NI680021
- Incorporated
- 14 Jun 20215 years trading
- Registered office
- 15 Bayswater, Londonderry, BT47 6JL
- Nature of business
- Construction of commercial buildings
GMG Contracts Limited is a 5-year-old private limited company registered in Londonderry, company number NI680021, one of 95 building contractors in Londonderry. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 up £22K (+21.6%) on the year before, to £121K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £246K against £204K owed within a year: 1.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £121K | £246K | £204K | 1 | |
| 30 Jun 2024 | £100K | £279K | £239K | 1 | |
| 30 Jun 2023 | £99K | £58K | £217K | £197K | 1 |
| 30 Jun 2022 | £28K | £1,789 | £67K | £77K | 0 |
Where GMG Contracts Limited is registered
The registered office is in Londonderry (BT47), in the Derry City and Strabane local authority area, Northern Ireland. Show BT47 6JL on a map.
Other trade companies in BT47
- RNK Contracts LimitedGroundworks and demolition
- Den Electrical LtdElectricians
- BDK Consulting LimitedProperty developers
- Oakline Engineering LtdInstallers
- Killew Property Services LimitedFacilities management
- PH Autobody LimitedMechanics and garages
- C Doherty Autos LtdMechanics and garages
- CPMH LtdBuilders
Also registered at this address
2 other companies use the same registered office as GMG Contracts Limited.
- Emd Boiler Services LtdPlumbers and heating engineers
- Emd Plumbing Heating LtdPlumbers and heating engineers
What happens if GMG Contracts Limited 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- NI680021
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 June 2021 (5 years ago)
- Registered office
- 15 Bayswater, Londonderry, BT47 6JL
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 13 June 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Londonderry
Other active building contractors registered in Londonderry.
- Gortnaghey Developments Ltd2017
- Hallmark Real Estate Ltd2009
- Heavron Brick Worx Limited2017
- Henley Enterprises Limited1984
- HML Group Ltd2018
- J & R Snodgrass Limited2024
- James O'Hara Homes Limited2016
- James Parkhill Construction Limited2021
All building contractors in Londonderry · All trades in Londonderry · Builders across the UK
Frequently asked questions
When are GMG Contracts Limited's accounts due?
GMG Contracts Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is GMG Contracts Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is GMG Contracts Limited still trading?
GMG Contracts Limited 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 GMG Contracts Limited do?
GMG Contracts Limited is registered under Construction of commercial buildings (SIC 41201).
How old is GMG Contracts Limited?
GMG Contracts Limited was incorporated on 14 June 2021, 5 years ago.
What is the penalty if GMG Contracts Limited 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 GMG Contracts Limited 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.