- Companies
- Groundworks and demolition
- T&F O'Callaghan Ltd
T&F O'Callaghan Ltd
- Company number
- NI066188
- Incorporated
- 4 Sep 200719 years trading
- Registered office
- 116 Armagh Road, Corran Newtownhamilton, Co Armagh, BT35 0HJ
- Nature of business
- Site preparation
T&F O'Callaghan Ltd is a 19-year-old private limited company registered in Co Armagh, company number NI066188, one of the UK's groundworks and demolition companies. 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 down £65K (-199.9%) on the year before, to -£32K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £53K against £91K owed within a year: 0.6 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 | -£32K | £53K | £91K | 0 | |
| 30 Nov 2024 | £32K | £64K | £103K | 0 | |
| 30 Nov 2023 | £30K | £74K | £112K | 0 | |
| 30 Nov 2022 | £27K | £90K | £127K | 0 | |
| 30 Nov 2021 | £24K | £104K | £141K | 0 | |
| 30 Nov 2020 | £20K | £125K | £161K | 0 | |
| 30 Nov 2019 | £14K | £153K | £185K | 0 | |
| 30 Nov 2018 | £2,195 | £204K | £230K | ||
| 30 Nov 2017 | £62K | £358K | £339K | ||
| 30 Nov 2016 | £3,800 | £48K | £237K | £291K |
Where T&F O'Callaghan Ltd is registered
The registered office is in Co Armagh (BT35), in the Armagh City, Banbridge and Craigavon local authority area, Northern Ireland. Show BT35 0HJ on a map.
Other trade companies in BT35
- Kilkenny Commercials LimitedMotor traders
- XR Electrical LtdElectricians
- Roseglen Consulting LtdElectricians
- Maglen Mechanical LtdPlumbers and heating engineers
- Toman Roofing LtdJoiners and carpenters
- CBD Brickworks LtdBuilders
- Evvr Homes LtdCleaning companies
- CM Performance Parts LtdMotor traders
What happens if T&F O'Callaghan 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 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
- NI066188
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 September 2007 (19 years ago)
- Registered office
- 116 Armagh Road, Corran Newtownhamilton, Co Armagh, BT35 0HJ
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 3 September 2025
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies
Other active groundworks and demolition companies.
Frequently asked questions
When are T&F O'Callaghan Ltd's accounts due?
T&F O'Callaghan Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is T&F O'Callaghan Ltd'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 T&F O'Callaghan Ltd still trading?
T&F O'Callaghan Ltd is listed as active on the Companies House register (checked 13 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 T&F O'Callaghan Ltd do?
T&F O'Callaghan Ltd is registered under Site preparation (SIC 43120).
How old is T&F O'Callaghan Ltd?
T&F O'Callaghan Ltd was incorporated on 4 September 2007, 19 years ago.
What is the penalty if T&F O'Callaghan 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 T&F O'Callaghan Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.