- Companies
- Plumbers and heating engineers
- Lisburn
- JM McQuillan Ltd
JM McQuillan Ltd
- Company number
- NI693391
- Incorporated
- 30 Dec 20223 years trading
- Registered office
- 2A Smithfield Square, Lisburn, BT28 1TH
- Nature of business
- Plumbing, heat and air-conditioning installation
JM McQuillan Ltd is a 3-year-old private limited company registered in Lisburn, company number NI693391, one of 14 plumbing and heating companies in Lisburn. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £19K (-14.2%) on the year before, to £118K.
- Current assets of £88K against £30K owed within a year: 2.9 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £118K | £34K | £88K | £30K | 2 |
| 31 Dec 2024 | £137K | £54K | £99K | £29K | 2 |
| 31 Dec 2023 | £179K | £40K | £120K | £23K | 2 |
Where JM McQuillan Ltd is registered
The registered office is in Lisburn (BT28), in the Lisburn and Castlereagh local authority area, Northern Ireland. Show BT28 1TH on a map.
Other trade companies in BT28
- Lisburn Autohub LtdMotor traders
- Ultralift Facilities Management LtdFacilities management
- Ultimate Tinting Lisburn LtdMotor traders
- A H Assist Cars LtdMotor traders
- Northpeak Developments LtdProperty developers
- Built by D Design and Build LtdProperty developers
- Lagan to Liffey Electrical Contractors LtdElectricians
- Ez Trade Solutions LtdJoiners and carpenters
What happens if JM McQuillan 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- NI693391
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 December 2022 (3 years ago)
- Registered office
- 2A Smithfield Square, Lisburn, BT28 1TH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 29 December 2025
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 Lisburn
Other active plumbing and heating companies registered in Lisburn.
- JMT Plumbing Heating Ltd2023
- MC Gas Plumbing Ltd2021
- MPP Mechanical Services Ltd2023
- Sloan Plumbing Ltd2025
- Armstrong Plumbing & Heating (NI) Ltd2014
- Belmont Plumbing Services Ltd2022
- C A Services (NI) Limited2012
- Clearwater Bathrooms Installations Ltd2025
All plumbing and heating companies in Lisburn · All trades in Lisburn · Plumbers and heating engineers across the UK
Frequently asked questions
When are JM McQuillan Ltd's accounts due?
JM McQuillan Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is JM McQuillan Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is JM McQuillan Ltd still trading?
JM McQuillan 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 JM McQuillan Ltd do?
JM McQuillan Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is JM McQuillan Ltd?
JM McQuillan Ltd was incorporated on 30 December 2022, 3 years ago.
What is the penalty if JM McQuillan 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 JM McQuillan 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.