- Companies
- Civil engineering
- Sean Hannigan Construction Limited
Sean Hannigan Construction Limited
- Company number
- NI042811
- Incorporated
- 22 Mar 200224 years trading
- Registered office
- 1 Church Street, Fintona, County Tyrone, BT78 2BR
- Nature of business
- Construction of other civil engineering projects n.e.c.
Sean Hannigan Construction Limited is a 24-year-old private limited company registered in County Tyrone, company number NI042811, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £56K (+13.4%) on the year before, to £475K.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £534K against £144K owed within a year: 3.7 times cover.
- 7 employees on average during the year.
- 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 Apr 2025 | £475K | £462K | £534K | £144K | 7 |
| 30 Apr 2024 | £419K | £266K | £416K | £97K | 7 |
| 30 Apr 2023 | £364K | £363K | £419K | £146K | 7 |
| 30 Apr 2022 | £323K | £310K | £401K | £158K | 10 |
| 30 Apr 2021 | £294K | £209K | £301K | £90K | 10 |
| 30 Apr 2020 | £272K | £190K | £289K | £99K | 9 |
| 30 Apr 2019 | £253K | £251K | £338K | £123K | |
| 30 Apr 2018 | £238K | £271K | £360K | £144K | |
| 30 Apr 2017 | £224K | £250K | £391K | £198K | |
| 30 Apr 2016 | £212K | £253K | £386K | £215K |
Where Sean Hannigan Construction Limited is registered
The registered office is in County Tyrone (BT78), in the Fermanagh and Omagh local authority area, Northern Ireland. Show BT78 2BR on a map.
Other trade companies in BT78
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- Megan Frames NI LtdBuilders
- Creevan Joinery LtdJoiners and carpenters
- Ryan O'Neill Electrical LtdElectricians
- Camderry Contracts LtdJoiners and carpenters
- Cmacrecoverys LimitedMechanics and garages
- North West Building & Plant Hire Contracts LimitedSpecialist contractors
- Old Forge Contracting LimitedInstallers
Also registered at this address
10 other companies use the same registered office as Sean Hannigan Construction Limited.
- CMC Plant & Commercials LtdMotor traders
- Country Stone (Derryheally) LtdSpecialist contractors
- Delcom Cable Installations LtdElectricians
- Glad Properties LtdFinishing trades
- Hadden Maguire Construction LimitedBuilders
- J & N McManus LtdBuilders
- M Kelly Electrical LtdElectricians
- Old Forge Contracting LimitedInstallers
- TT Thermal Insulation and Fire Protection LimitedSpecialist contractors
- Tyrone Roofing Contracts LimitedRoofers
What happens if Sean Hannigan Construction 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- NI042811
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 March 2002 (24 years ago)
- Registered office
- 1 Church Street, Fintona, County Tyrone, BT78 2BR
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 22 March 2026
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
Other active civil engineering contractors.
Frequently asked questions
When are Sean Hannigan Construction Limited's accounts due?
Sean Hannigan Construction Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Sean Hannigan Construction Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Sean Hannigan Construction Limited still trading?
Sean Hannigan Construction 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 Sean Hannigan Construction Limited do?
Sean Hannigan Construction Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Sean Hannigan Construction Limited?
Sean Hannigan Construction Limited was incorporated on 22 March 2002, 24 years ago.
What is the penalty if Sean Hannigan 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 Sean Hannigan Construction 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.