- Companies
- Plumbers and heating engineers
- Dungannon
- BJ McGrath Mechanical Ltd
BJ McGrath Mechanical Ltd
- Company number
- NI661836
- Incorporated
- 30 May 20197 years trading
- Registered office
- 34 Garvagh Road, Dungannon, County Tyrone, BT70 3LS
- Nature of business
- Plumbing, heat and air-conditioning installation
BJ McGrath Mechanical Ltd is a 7-year-old private limited company registered in Dungannon, company number NI661836, one of 30 plumbing and heating companies in Dungannon. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 £261K (+20.1%) on the year before, to £1.6M.
- Net assets rose in 5 of 5 year-on-year comparisons on record.
- Current assets of £2.4M against £1.2M owed within a year: 2.1 times cover.
- 8 employees on average, up from 7 the year before.
- Balance sheets on record for 6 years, 2019 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £1.6M | £1.6M | £2.4M | £1.2M | 8 |
| 31 Dec 2023 | £1.3M | £1.5M | £2M | £1.1M | 7 |
| 31 Dec 2022 | £1M | £1.2M | £1.7M | £1.1M | 7 |
| 31 Dec 2021 | £437K | £622K | £1.1M | £1.1M | 8 |
| 31 Dec 2020 | £229K | £611K | £876K | £1.1M | 10 |
| 30 Jun 2019 | £60 | £60 |
Where BJ McGrath Mechanical Ltd is registered
The registered office is in Dungannon (BT70), in the Mid Ulster local authority area, Northern Ireland. Show BT70 3LS on a map.
Other trade companies in BT70
- MCG Brickwork (Irl) LtdBuilders
- Creteworx (N.I.) LtdCivil engineering
- Ralph Burrows & Sons LtdSpecialist contractors
- Tyrone Bricklayers LtdBuilders
- D Blake Electrical LtdElectricians
- Harform LtdCivil engineering
- McNally Groundworks LtdGroundworks and demolition
- Top Landscapes & Gardening LimitedLandscapers and gardeners
What happens if BJ McGrath 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- NI661836
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 May 2019 (7 years ago)
- Registered office
- 34 Garvagh Road, Dungannon, County Tyrone, BT70 3LS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 29 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 Dungannon
Other active plumbing and heating companies registered in Dungannon.
- BM Plumbing Limited2025
- CCP Mechanical Ltd2025
- Climate Source Ltd2014
- CMK Mechanical Services Ltd2011
- Coolchain Air Conditioning Ltd2012
- HTC Mechanical Services Limited2007
- Im McCluskey Ltd2003
- Jamm Utilities Ltd2012
All plumbing and heating companies in Dungannon · All trades in Dungannon · Plumbers and heating engineers across the UK
Frequently asked questions
When are BJ McGrath Mechanical Ltd's accounts due?
BJ McGrath Mechanical Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is BJ McGrath 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 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is BJ McGrath Mechanical Ltd still trading?
BJ McGrath 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 BJ McGrath Mechanical Ltd do?
BJ McGrath Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is BJ McGrath Mechanical Ltd?
BJ McGrath Mechanical Ltd was incorporated on 30 May 2019, 7 years ago.
What is the penalty if BJ McGrath 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 BJ McGrath 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.