- Company number
- NI699196
- Incorporated
- 12 Jul 20233 years trading
- Registered office
- 20C Balliniska Road, Derry, BT48 0NA
- Nature of business
- Construction of domestic buildings
Mac and Co Construction Ltd is a 3-year-old private limited company registered in Derry, company number NI699196, one of 34 building contractors in Derry. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 unchanged on the year before, at £2.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £2 | 0 | |||
| 31 Jul 2024 | £2 | 0 |
Where Mac and Co Construction Ltd is registered
The registered office is in Derry (BT48), in the Derry City and Strabane local authority area, Northern Ireland. Show BT48 0NA on a map.
Other trade companies in BT48
- Neat & Nurtured Vics Cleaning LimitedCleaning companies
- Ked Brick & Blockwork LtdBuilders
- Zapcars LtdMotor traders
- TMC Electrics LtdElectricians
- Northern Diesels LtdMotor traders
- Coyle Reclamation & Salvage LtdSpecialist contractors
- George MCG Mechanical LtdElectricians
- KK Electrical Solutions Ireland LimitedElectricians
Also registered at this address
20 other companies use the same registered office as Mac and Co Construction Ltd.
- BDN Energy LtdSpecialist contractors
- Carrickmaquigley Construction UK LtdProperty developers
- CPH Services LtdPlumbers and heating engineers
- D.S.S Plant Contracts LtdCivil engineering
- DBMC Investments LtdPlasterers
- Eccles Electrical LimitedElectricians
- Fastek Services LimitedFacilities management
- GMC Consultancy Ireland LtdPlumbers and heating engineers
- Grianan Contracts LtdBuilders
- J J McGowan Flooring LimitedFloor and wall tilers
- JGMC Contracts LimitedPlasterers
- Leisure Construction LtdBuilders
- Maz Building Contractors LtdProperty developers
- MCG Contracts Holdings LimitedSpecialist contractors
- Motoworld LK LimitedMotor traders
- PD Motor Group NI LtdMotor traders
- Premier Construction Contracts (UK) LimitedSpecialist contractors
- RLB Property Management LtdSpecialist contractors
- S Boyle Civils (NI) LimitedCivil engineering
- Tuatha Contracts LtdGroundworks and demolition
What happens if Mac and Co Construction 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- NI699196
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 July 2023 (3 years ago)
- Registered office
- 20C Balliniska Road, Derry, BT48 0NA
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 11 July 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Derry
Other active building contractors registered in Derry.
- McCloskey Properties (Cool) Ltd2021
- MDT Bricklaying Limited2020
- MLS Homes Ltd2018
- Northland Construction Limited2018
- O'Hara Joinery Limited2014
- Odk Properties Limited2013
- Peter O'Brien Homes Limited2000
- Proctor Construction (Procon NI) Limited2019
All building contractors in Derry · All trades in Derry · Builders across the UK
Frequently asked questions
When are Mac and Co Construction Ltd's accounts due?
Mac and Co Construction Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Mac and Co Construction Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Mac and Co Construction Ltd still trading?
Mac and Co Construction 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 Mac and Co Construction Ltd do?
Mac and Co Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Mac and Co Construction Ltd?
Mac and Co Construction Ltd was incorporated on 12 July 2023, 3 years ago.
What is the penalty if Mac and Co Construction 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 Mac and Co Construction 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.