- Companies
- Groundworks and demolition
- Dungannon
- McDonnell & Sons Ltd
McDonnell & Sons Ltd
- Company number
- NI702440
- Incorporated
- 27 Sep 20233 years trading
- Registered office
- 40 Frenchmans Lane, Dungannon, BT70 3DF
- Nature of business
- Demolition
McDonnell & Sons Ltd is a 3-year-old private limited company registered in Dungannon, company number NI702440, one of 10 groundworks and demolition companies in Dungannon. Companies House shows its accounts as overdue: they were due on 30 September 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2024
From the balance sheet at 30 September 2024, as filed at Companies House.
Where McDonnell & Sons Ltd is registered
The registered office is in Dungannon (BT70), in the Mid Ulster local authority area, Northern Ireland. Show BT70 3DF 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 McDonnell & Sons Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- NI702440
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 September 2023 (3 years ago)
- Registered office
- 40 Frenchmans Lane, Dungannon, BT70 3DF
- Nature of business
- Demolition (SIC 43110)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2024
- Last confirmation statement
- 26 September 2025
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Dungannon
Other active groundworks and demolition companies registered in Dungannon.
- McNally Groundworks Ltd2026
- Meco Site Ltd2025
- Mid Ulster Sweeper Hire Ltd2017
- O & R Contracts Ltd2026
- Oliver Hagan & Son Ltd2019
- Riverside Civils Ltd2019
- Roan Groundworks Ltd2017
- GRBG Limited2021
All groundworks and demolition companies in Dungannon · All trades in Dungannon · Groundworks and demolition across the UK
Frequently asked questions
When are McDonnell & Sons Ltd's accounts due?
McDonnell & Sons Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is McDonnell & Sons 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 30 September 2025, due by 30 September 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is McDonnell & Sons Ltd still trading?
McDonnell & Sons Ltd is listed as active on the Companies House register (checked 12 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 McDonnell & Sons Ltd do?
McDonnell & Sons Ltd is registered under Demolition (SIC 43110).
How old is McDonnell & Sons Ltd?
McDonnell & Sons Ltd was incorporated on 27 September 2023, 3 years ago.
What is the penalty if McDonnell & Sons 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 McDonnell & Sons Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.