- Companies
- Specialist contractors
- Derry
- O'Connor Formwork Ltd
O'Connor Formwork Ltd
- Company number
- NI679620
- Incorporated
- 27 May 20215 years trading
- Registered office
- 2 Westland Terrace, Bogside, Derry, BT48 9JD
- Nature of business
- Other specialised construction activities n.e.c.
O'Connor Formwork Ltd is a 5-year-old private limited company registered in Derry, company number NI679620, one of 21 specialist construction companies in Derry. Its next accounts are due at Companies House on 30 May 2027, and the CT600 for the period to 30 August 2026 is due at HMRC on 30 August 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 £45K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £37K against £700 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Aug 2025 | £45K | £37K | £700 | 1 | |
| 30 Aug 2024 | £45K | £37K | £700 | 1 | |
| 31 May 2023 | £67K | £77K | £19K | 1 | |
| 31 May 2022 | £28K | £41K | £22K | 1 |
Where O'Connor Formwork Ltd is registered
The registered office is in Derry (BT48), in the Derry City and Strabane local authority area, Northern Ireland. Show BT48 9JD 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
What happens if O'Connor Formwork 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 May 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 30 Aug 2027 | £375 |
| 3 to 6 months late | 31 Aug 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Aug 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Aug 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
- NI679620
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 May 2021 (5 years ago)
- Registered office
- 2 Westland Terrace, Bogside, Derry, BT48 9JD
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 August 2025
- Last confirmation statement
- 26 May 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Derry
Other active specialist construction companies registered in Derry.
- Ocean Tiles and Bathrooms Ltd2017
- P McVeigh Limited2017
- P.J.D. Contracts Limited1997
- Premier Construction Contracts (UK) Limited2024
- Premier Fireproofing (UK) Limited2019
- PSD Construction Limited2016
- Scafftex (NI) Limited2002
- B&G Brickworks Ltd2019
All specialist construction companies in Derry · All trades in Derry · Specialist contractors across the UK
Frequently asked questions
When are O'Connor Formwork Ltd's accounts due?
O'Connor Formwork Ltd's next accounts are due at Companies House by 30 May 2027 (in 230 days), covering the period to 30 August 2026.
When is O'Connor Formwork Ltd's CT600 due?
The CT600 for the period to 30 August 2026 is due at HMRC by 30 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 May 2027.
Is O'Connor Formwork Ltd still trading?
O'Connor Formwork 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 O'Connor Formwork Ltd do?
O'Connor Formwork Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is O'Connor Formwork Ltd?
O'Connor Formwork Ltd was incorporated on 27 May 2021, 5 years ago.
What is the penalty if O'Connor Formwork 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 O'Connor Formwork 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.