- Companies
- Civil engineering
- Omagh
- Mac Green Energy Innovation Limited
Mac Green Energy Innovation Limited
- Company number
- NI740621
- Incorporated
- 14 May 2026
- Registered office
- 5 the Hawthorns, Omagh, BT79 7GJ
- Nature of business
- Construction of utility projects for electricity and telecommunications
Mac Green Energy Innovation Limited is a newly incorporated private limited company registered in Omagh, company number NI740621, one of 71 civil engineering contractors in Omagh. Its next accounts are due at Companies House on 14 February 2028, and its first CT600 is due at HMRC on 13 May 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 Mac Green Energy Innovation Limited is registered
The registered office is in Omagh (BT79), in the Fermanagh and Omagh local authority area, Northern Ireland. Show BT79 7GJ on a map.
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Also registered at this address
1 other company uses the same registered office as Mac Green Energy Innovation Limited.
- Omagh Green Energy Construction LimitedCivil engineering
What happens if Mac Green Energy Innovation 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 14 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 15 Feb 2028 to 14 Mar 2028 | £150 |
| 1 to 3 months late | 15 Mar 2028 to 14 May 2028 | £375 |
| 3 to 6 months late | 15 May 2028 to 14 Aug 2028 | £750 |
| More than 6 months late | From 15 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- NI740621
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 May 2026
- Registered office
- 5 the Hawthorns, Omagh, BT79 7GJ
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 May (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 Omagh
Other active civil engineering contractors registered in Omagh.
- Mac Plant Hire & Utilities Limited2022
- Marcor Limited2009
- MC Laughlin Bros Ltd2022
- MCB Civils (Ireland) Limited2024
- McFadden (Civils) Limited1992
- McFadden Holdco Ltd2014
- McGarrity Bros Building Products Limited2018
- McGarrity Bros. Ltd2004
All civil engineering contractors in Omagh · All trades in Omagh · Civil engineering across the UK
Frequently asked questions
When are Mac Green Energy Innovation Limited's accounts due?
Mac Green Energy Innovation Limited's next accounts are due at Companies House by 14 February 2028 (in 489 days), covering the period to 31 May 2027.
When is Mac Green Energy Innovation 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 13 May 2027, due by 13 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mac Green Energy Innovation Limited still trading?
Mac Green Energy Innovation 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 Mac Green Energy Innovation Limited do?
Mac Green Energy Innovation Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Mac Green Energy Innovation Limited?
Mac Green Energy Innovation Limited was incorporated on 14 May 2026, less than a year ago.
What is the penalty if Mac Green Energy Innovation 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 Mac Green Energy Innovation 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.