- Companies
- Finishing trades
- Londonderry
- Imac Construction Services Limited
Imac Construction Services Limited
- Company number
- NI056816
- Incorporated
- 13 Oct 200521 years trading
- Registered office
- 7 Main Street, Dungiven, Londonderry, BT47 4LD
- Nature of business
- Other building completion and finishing
Imac Construction Services Limited is a 21-year-old private limited company registered in Londonderry, company number NI056816, one of 23 building finishing companies in Londonderry. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
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 £94K (+23.5%) on the year before, to £497K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £1.9M against £1.8M owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £497K | £565K | £1.9M | £1.8M | 0 |
| 30 Nov 2024 | £402K | £28K | £1.3M | £1.1M | 23 |
| 30 Nov 2023 | £276K | £5,003 | £1.3M | £1.2M | 17 |
| 30 Nov 2022 | £146K | £1M | £1M | 18 | |
| 30 Nov 2021 | £406K | £21K | £1.8M | £1.6M | 0 |
| 30 Nov 2020 | £338K | £299K | £1.9M | £1.7M | 17 |
| 30 Nov 2019 | £231K | £1.8M | £1.7M | 35 | |
| 30 Nov 2018 | £193K | £961 | £1.9M | £1.9M | 27 |
| 30 Nov 2017 | £400K | £2,491 | £2.1M | £2.1M | 27 |
| 30 Nov 2016 | £382K | £21K | £1.6M | £1.5M |
Who runs and owns Imac Construction Services Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| J*** F*** | Director | Oct 2005 |
| E*** F*** | Secretary | Oct 2005 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| J*** F*** | Secretary | Oct 2005 | Oct 2005 |
| C.S. Secretarial Services Ltd | Secretary (company) | Oct 2005 | Oct 2005 |
| Cs Director Services Limited | Director (company) | Oct 2005 | Oct 2005 |
Person with significant control
Charges (secured borrowing)
2 of 6 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| The Governor And Company Of The Bank Of Ireland | Outstanding | Aug 2019 |
| The Governor And Company Of The Bank Of Ireland | Outstanding | May 2017 |
| Northern Bank Limited | Satisfied Feb 2019 | Dec 2016 |
| Northern Bank Limited | Satisfied Feb 2019 | Dec 2016 |
| Northern Bank Limited | Satisfied Aug 2019 | Jun 2010 |
| Northern Bank Limited | Satisfied Aug 2019 | Apr 2006 |
Public contracts won
Imac Construction Services Limited has 2 public sector contract awards on record, from 2021 to 2025. Source: Contracts Finder and Find a Tender award notices. For all of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Northern Ireland Electricity Networks Limited1 award
- Northern Ireland Electricity Networks1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Northern Ireland Electricity Networks Limited | Electricians for the Installation, Refurbishment and Maintenance of Sub Station High & Low Voltage Plant / Equipment | Ceiling, not shown | 3 Mar 2025 |
| Northern Ireland Electricity Networks | S1155 (2020) Facilities Management Services | Ceiling, not shown | 20 Apr 2021 |
Where Imac Construction Services Limited is registered
The registered office is in Londonderry (BT47), in the Causeway Coast and Glens local authority area, Northern Ireland. Show BT47 4LD 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
Also registered at this address
1 other company uses the same registered office as Imac Construction Services Limited.
- Imac Educational Support Services LtdFacilities management
What happens if Imac Construction Services 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- NI056816
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 October 2005 (21 years ago)
- Registered office
- 7 Main Street, Dungiven, Londonderry, BT47 4LD
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 13 October 2025
- Charges (mortgages)
- 2 outstanding of 6 registered
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Londonderry
Other active building finishing companies registered in Londonderry.
- KLLC Contracts Limited2011
- MCM Drylining Limited2024
- Mulderg Interior Linings Limited2014
- Northwest Joinery Ltd2004
- NPF Group Ltd2020
- Rendering Services Ireland Ltd2024
- RGC Contracts Ltd2021
- Rom Partitions Ltd2020
All building finishing companies in Londonderry · All trades in Londonderry · Finishing trades across the UK
Frequently asked questions
When are Imac Construction Services Limited's accounts due?
Imac Construction Services Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Imac Construction Services Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Imac Construction Services Limited still trading?
Imac Construction Services Limited 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 Imac Construction Services Limited do?
Imac Construction Services Limited is registered under Other building completion and finishing (SIC 43390).
How old is Imac Construction Services Limited?
Imac Construction Services Limited was incorporated on 13 October 2005, 21 years ago.
Who runs Imac Construction Services Limited?
Imac Construction Services Limited has 1 active director, the longest-serving appointed in Oct 2005. Their names and service addresses are on the Companies House register.
Who owns Imac Construction Services Limited?
One person or company has significant control of Imac Construction Services Limited: Imac Group Ltd (owns 75% or more of the shares).
Has Imac Construction Services Limited won public sector contracts?
Yes. Imac Construction Services Limited has 2 contract awards from public bodies on Contracts Finder and Find a Tender, most recently from Northern Ireland Electricity Networks Limited.
What is the penalty if Imac Construction Services 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 Imac Construction Services Limited 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.