- Companies
- Civil engineering
- Belper
- John O'Sullivan Contractors Limited
John O'Sullivan Contractors Limited
- Company number
- 05133143
- Incorporated
- 19 May 200422 years trading
- Registered office
- Brickyard Lane Brickyard Lane, Kilburn, Belper, DE56 0LL
- Nature of business
- Construction of other civil engineering projects n.e.c.
John O'Sullivan Contractors Limited is a 22-year-old private limited company registered in Belper, company number 05133143, one of 12 civil engineering contractors in Belper. Companies House shows its accounts as overdue: they were due on 31 July 2022.
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 £4,818 (-98%) on the year before, to £100.
- Net assets rose in 0 of 4 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2016 to 2020.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2020 | £100 | £100 | £0 | 1 | |
| 31 Oct 2019 | £4,918 | £140 | £300 | 1 | |
| 31 Oct 2018 | £4,918 | £140 | £300 | ||
| 31 Oct 2017 | £10K | £4,185 | £750 | ||
| 31 Oct 2016 | £15K | £15K | £8,642 |
Where John O'Sullivan Contractors Limited is registered
The registered office is in Belper (DE56), in the Amber Valley local authority area, East Midlands. Show DE56 0LL on a map.
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What happens if John O'Sullivan Contractors Limited files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2022 to 31 Aug 2022 | £150 |
| 1 to 3 months late | 1 Sep 2022 to 31 Oct 2022 | £375 |
| 3 to 6 months late | 1 Nov 2022 to 31 Jan 2023 | £750 |
| More than 6 months late | From 1 Feb 2023 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2022 | £200 |
| 3 months late | 31 Jan 2023 | another £200 |
| 6 months late | 30 Apr 2023 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 2023 | 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
- 05133143
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 May 2004 (22 years ago)
- Registered office
- Brickyard Lane Brickyard Lane, Kilburn, Belper, DE56 0LL
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2020
- Last confirmation statement
- 19 May 2021
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 Belper
Other active civil engineering contractors registered in Belper.
- Peak Traffic Management Limited2025
- Peter Kay Consultants Ltd2013
- RJH Construction Ltd.2001
- RMB Contractors Limited1974
- Scpower Limited2026
- SPW Construction Limited2019
- Ads Power Networks Ltd2026
- Amberbuild Ltd2025
All civil engineering contractors in Belper · All trades in Belper · Civil engineering across the UK
Frequently asked questions
When are John O'Sullivan Contractors Limited's accounts due?
John O'Sullivan Contractors Limited's accounts were due at Companies House on 31 July 2022 and the register shows them as overdue.
When is John O'Sullivan Contractors Limited's CT600 due?
The CT600 for the period to 31 October 2021 is due at HMRC by 31 October 2022, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2022.
Is John O'Sullivan Contractors Limited still trading?
John O'Sullivan Contractors Limited 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 John O'Sullivan Contractors Limited do?
John O'Sullivan Contractors Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is John O'Sullivan Contractors Limited?
John O'Sullivan Contractors Limited was incorporated on 19 May 2004, 22 years ago.
What is the penalty if John O'Sullivan Contractors 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 John O'Sullivan Contractors Limited 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.