- Companies
- Specialist contractors
- Leigh-on-Sea
- Oneill Contracting Limited
Oneill Contracting Limited
- Company number
- 09484684
- Incorporated
- 12 Mar 201511 years trading
- Registered office
- 58 Leighwood Avenue, Leigh-on-Sea, SS9 4LG
- Nature of business
- Other specialised construction activities n.e.c.
Oneill Contracting Limited is a 11-year-old private limited company registered in Leigh-on-Sea, company number 09484684, one of 105 specialist construction companies in Leigh-on-Sea. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £12K (+6.7%) on the year before, to £184K.
- Net assets rose in 7 of 8 year-on-year comparisons on record.
- Current assets of £198K against £23K owed within a year: 8.7 times cover.
- 2 employees on average, up from -2 the year before.
- Balance sheets on record for 9 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £184K | £198K | £23K | 2 | |
| 31 Mar 2025 | £173K | £191K | £23K | -2 | |
| 31 Mar 2024 | £158K | £194K | £43K | 2 | |
| 31 Mar 2023 | £134K | £152K | £26K | 2 | |
| 31 Mar 2022 | £113K | £130K | £29K | 2 | |
| 31 Mar 2021 | £61K | £117K | £72K | 2 | |
| 31 Mar 2020 | £46K | £46K | £22K | 2 | |
| 31 Mar 2019 | -£100 | £6,823 | £11K | £11K | 2 |
| 31 Mar 2018 | £1,117 | £1,447 | £8,312 | £7,195 | 2 |
Where Oneill Contracting Limited is registered
The registered office is in Leigh-on-Sea (SS9), in the Southend-on-Sea local authority area, East of England. Show SS9 4LG on a map.
Other trade companies in SS9
- Cheap Locksmith Essex LtdRepair services
- Alexander Hall Real Estate LtdProperty developers
- Britannia Roofing & Dampproofing LtdRoofers
- Elite Build & Co (Essex) LtdBuilders
- High Lift Scaffold LimitedScaffolders
- Hill's Plumbing, Heating & Gas LtdPlumbers and heating engineers
- MTS Piling LimitedSpecialist contractors
- Install & Transport LimitedMachinery repair and installation
What happens if Oneill Contracting 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 09484684
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 March 2015 (11 years ago)
- Registered office
- 58 Leighwood Avenue, Leigh-on-Sea, SS9 4LG
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 1 March 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 Leigh-on-Sea
Other active specialist construction companies registered in Leigh-on-Sea.
- P Birch Services Ltd2025
- Parkessafety Limited2026
- Phipps & Associates Ltd2012
- Pineapple Construction Ltd2025
- Prime Bedrooms Limited2018
- Primejet Propertymaintenance Ltd2026
- Pro Flow Essex Ltd2019
- Prop Surveys Limited2023
All specialist construction companies in Leigh-on-Sea · All trades in Leigh-on-Sea · Specialist contractors across the UK
Frequently asked questions
When are Oneill Contracting Limited's accounts due?
Oneill Contracting Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Oneill Contracting Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Oneill Contracting Limited still trading?
Oneill Contracting 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 Oneill Contracting Limited do?
Oneill Contracting Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Oneill Contracting Limited?
Oneill Contracting Limited was incorporated on 12 March 2015, 11 years ago.
What is the penalty if Oneill Contracting 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 Oneill Contracting 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.