- Companies
- Machinery repair and installation
- Lisburn
- G Millen Contracting Limited
G Millen Contracting Limited
- Company number
- NI711674
- Incorporated
- 13 Mar 20242 years trading
- Registered office
- 17 Carrisbrook Gardens, Lisburn, BT27 4PN
- Nature of business
- Repair of other equipment; Other engineering activities
G Millen Contracting Limited is a 2-year-old private limited company registered in Lisburn, company number NI711674, one of 34 machinery repair and installation companies in Lisburn. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £7,075 (-38.8%) on the year before, to £11K.
- Current assets of £2,609 against £7,888 owed within a year: 0.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £11K | £2,609 | £7,888 | 1 | |
| 31 Mar 2025 | £18K | £1,195 | £3,929 | 1 |
Where G Millen Contracting Limited is registered
The registered office is in Lisburn (BT27), in the Lisburn and Castlereagh local authority area, Northern Ireland. Show BT27 4PN on a map.
Other trade companies in BT27
- Clean & Gleam Cleaning Services LtdCleaning companies
- MJS Spec and Tech Aero Solutions LtdCleaning companies
- Aquatib LtdSpecialist contractors
- Walsh Residential Group LtdProperty developers
- BM Construction Services (N.I.) LimitedBuilders
- Renoglow Property Services LtdProperty developers
- CMS Parts LimitedMotor traders
- JPW Automotive LtdMechanics and garages
What happens if G Millen Contracting 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- NI711674
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 March 2024 (2 years ago)
- Registered office
- 17 Carrisbrook Gardens, Lisburn, BT27 4PN
- Nature of business
- Repair of other equipment (SIC 33190)
Other engineering activities (SIC 71129) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 12 March 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Lisburn
Other active machinery repair and installation companies registered in Lisburn.
- Genesis Agri Ltd2019
- GSP Wind Ltd2023
- GW Fuel Systems Ltd2026
- H & M Services - Energy Solutions Limited2011
- Hainon Engineering Ltd2019
- Handling and Storage Equipment Company Limited1967
- Hillside Agri Ltd2018
- Johnston Refrigeration Services Ltd2017
All machinery repair and installation companies in Lisburn · All trades in Lisburn · Machinery repair and installation across the UK
Frequently asked questions
When are G Millen Contracting Limited's accounts due?
G Millen Contracting Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is G Millen Contracting Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is G Millen Contracting Limited still trading?
G Millen Contracting 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 G Millen Contracting Limited do?
G Millen Contracting Limited is registered under Repair of other equipment (SIC 33190); Other engineering activities (SIC 71129).
How old is G Millen Contracting Limited?
G Millen Contracting Limited was incorporated on 13 March 2024, 2 years ago.
What is the penalty if G Millen Contracting 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 G Millen Contracting 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.