- Companies
- Civil engineering
- Londonderry
- M & J Devlin Limited
M & J Devlin Limited
- Company number
- NI732014
- Incorporated
- 4 Aug 20251 year trading
- Registered office
- 1 Elagh Business Park, Buncrana Road, Londonderry, BT48 8QH
- Nature of business
- Construction of other civil engineering projects n.e.c.
M & J Devlin Limited is a 1-year-old private limited company registered in Londonderry, company number NI732014, one of 35 civil engineering contractors in Londonderry. Its next accounts are due at Companies House on 4 May 2027, and its first CT600 is due at HMRC on 3 August 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where M & J Devlin Limited is registered
The registered office is in Londonderry (BT48), in the Derry City and Strabane local authority area, Northern Ireland. Show BT48 8QH on a map.
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What happens if M & J Devlin 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 4 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 May 2027 to 4 Jun 2027 | £150 |
| 1 to 3 months late | 5 Jun 2027 to 4 Aug 2027 | £375 |
| 3 to 6 months late | 5 Aug 2027 to 4 Nov 2027 | £750 |
| More than 6 months late | From 5 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- NI732014
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 August 2025 (1 year ago)
- Registered office
- 1 Elagh Business Park, Buncrana Road, Londonderry, BT48 8QH
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Londonderry
Other active civil engineering contractors registered in Londonderry.
- Maydon Engineering Services Ltd2020
- MCN Contracts NI Limited2016
- MCS Contracts Limited2015
- Merritt Contracts Limited2017
- Midas Steel Ltd2020
- MMC Associates Limited2016
- MMS Groundworks Limited2026
- Newtownstewart Limited2019
All civil engineering contractors in Londonderry · All trades in Londonderry · Civil engineering across the UK
Frequently asked questions
When are M & J Devlin Limited's accounts due?
M & J Devlin Limited's next accounts are due at Companies House by 4 May 2027 (in 204 days), covering the period to 31 August 2026.
When is M & J Devlin Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 3 August 2026, due by 3 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is M & J Devlin Limited still trading?
M & J Devlin Limited 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 M & J Devlin Limited do?
M & J Devlin Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is M & J Devlin Limited?
M & J Devlin Limited was incorporated on 4 August 2025, 1 year ago.
What is the penalty if M & J Devlin 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 M & J Devlin Limited 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.