- Companies
- Civil engineering
- Londonderry
- Engineering-CM Ltd
Engineering-CM Ltd
- Company number
- NI742530
- Incorporated
- 28 Jul 2026
- Registered office
- 57 Abbeyfields, Dungiven, Londonderry, BT47 4UW
- Nature of business
- Construction of other civil engineering projects n.e.c.
Engineering-CM Ltd is a newly incorporated private limited company registered in Londonderry, company number NI742530, one of 35 civil engineering contractors in Londonderry. Its next accounts are due at Companies House on 28 April 2028, and its first CT600 is due at HMRC on 27 July 2028.
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 Engineering-CM Ltd is registered
The registered office is in Londonderry (BT47), in the Causeway Coast and Glens local authority area, Northern Ireland. Show BT47 4UW on a map.
Other trade companies in BT47
- RNK Contracts LimitedGroundworks and demolition
- Den Electrical LtdElectricians
- BDK Consulting LimitedProperty developers
- Oakline Engineering LtdInstallers
- Killew Property Services LimitedFacilities management
- PH Autobody LimitedMechanics and garages
- C Doherty Autos LtdMechanics and garages
- CPMH LtdBuilders
What happens if Engineering-CM 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 28 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Apr 2028 to 28 May 2028 | £150 |
| 1 to 3 months late | 29 May 2028 to 28 Jul 2028 | £375 |
| 3 to 6 months late | 29 Jul 2028 to 28 Oct 2028 | £750 |
| More than 6 months late | From 29 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- NI742530
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 July 2026
- Registered office
- 57 Abbeyfields, Dungiven, Londonderry, BT47 4UW
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 July (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.
- FG Utility Services Ltd2021
- Hco Civils Limited2025
- Ian Parke Construction Limited2025
- JDR Civil Engineering Limited2015
- Kevmar Ltd2013
- M & J Devlin Limited2025
- Maydon Engineering Services Ltd2020
- MCN Contracts NI Limited2016
All civil engineering contractors in Londonderry · All trades in Londonderry · Civil engineering across the UK
Frequently asked questions
When are Engineering-CM Ltd's accounts due?
Engineering-CM Ltd's next accounts are due at Companies House by 28 April 2028 (in 564 days), covering the period to 31 July 2027.
When is Engineering-CM 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 27 July 2027, due by 27 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Engineering-CM Ltd still trading?
Engineering-CM 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 Engineering-CM Ltd do?
Engineering-CM Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Engineering-CM Ltd?
Engineering-CM Ltd was incorporated on 28 July 2026, less than a year ago.
What is the penalty if Engineering-CM 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 Engineering-CM 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.