- Companies
- Civil engineering
- Derry
- Fmac Construction Limited
Fmac Construction Limited
- Company number
- NI647154
- Incorporated
- 28 Jul 20179 years trading
- Registered office
- 49 Spruce Meadows, Culmore, Derry, Derry, BT48 8SF
- Nature of business
- Construction of utility projects for electricity and telecommunications
Fmac Construction Limited is a 9-year-old private limited company registered in Derry, company number NI647154, one of 13 civil engineering contractors in Derry. Companies House shows its accounts as overdue: they were due on 31 March 2025.
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 £6,367 (-17.7%) on the year before, to £30K.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £80K against £67K owed within a year: 1.2 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 5 years, 2019 to 2023.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2023 | £30K | £80K | £67K | 1 | |
| 31 Jul 2022 | £36K | £19K | £1,260 | 0 | |
| 31 Jul 2021 | £1,582 | £28K | £720 | 0 | |
| 31 Jul 2020 | £18K | £14K | £22K | 1 | |
| 31 Jul 2019 | £22K | £19K | £10K | 1 |
Where Fmac Construction Limited is registered
The registered office is in Derry (BT48), in the Derry City and Strabane local authority area, Northern Ireland. Show BT48 8SF on a map.
Other trade companies in BT48
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- Zapcars LtdMotor traders
- TMC Electrics LtdElectricians
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- Coyle Reclamation & Salvage LtdSpecialist contractors
- George MCG Mechanical LtdElectricians
- KK Electrical Solutions Ireland LimitedElectricians
What happens if Fmac Construction Limited files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 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 Apr 2025 to 30 Apr 2025 | £150 |
| 1 to 3 months late | 1 May 2025 to 30 Jun 2025 | £375 |
| 3 to 6 months late | 1 Jul 2025 to 30 Sep 2025 | £750 |
| More than 6 months late | From 1 Oct 2025 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2025 | £200 |
| 3 months late | 30 Sep 2025 | another £200 |
| 6 months late | 30 Dec 2025 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2026 | 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
- NI647154
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 July 2017 (9 years ago)
- Registered office
- 49 Spruce Meadows, Culmore, Derry, Derry, BT48 8SF
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2023
- Last confirmation statement
- 27 July 2025
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 Derry
Other active civil engineering contractors registered in Derry.
- Glenside Engineering Limited2013
- Hetherington Plant Sales NI Ltd2025
- Jar Construction Limited2006
- MCK Utilities Limited2020
- Rolling Hills Construction Ltd2022
- Silverhill Contracts Ltd.2017
- Amg Welding Fabrication & Mechanical Services Limited2024
- Cdni Limited2022
All civil engineering contractors in Derry · All trades in Derry · Civil engineering across the UK
Frequently asked questions
When are Fmac Construction Limited's accounts due?
Fmac Construction Limited's accounts were due at Companies House on 31 March 2025 and the register shows them as overdue.
When is Fmac Construction 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 31 March 2024, due by 31 March 2025, and one for the period to 30 June 2024, due by 30 June 2025. Corporation tax is payable 9 months and 1 day after the end of each.
Is Fmac Construction Limited still trading?
Fmac Construction 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 Fmac Construction Limited do?
Fmac Construction Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Fmac Construction Limited?
Fmac Construction Limited was incorporated on 28 July 2017, 9 years ago.
What is the penalty if Fmac Construction 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 Fmac Construction 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.