- Companies
- Civil engineering
- Bolton
- J.J. Mullins (Civil Engineering) Limited
J.J. Mullins (Civil Engineering) Limited
- Company number
- 03158510
- Incorporated
- 14 Feb 199630 years trading
- Registered office
- Oakhurst Cottage Off Wigan Road, Westhoughton, Bolton, BL5 2BT
- Nature of business
- Construction of other civil engineering projects n.e.c.
J.J. Mullins (Civil Engineering) Limited is a 30-year-old private limited company registered in Bolton, company number 03158510, one of 89 civil engineering contractors in Bolton. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 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 down £230K (-91.6%) on the year before, to £21K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £136K against £619K owed within a year: 0.2 times cover.
- 5 employees on average, down from 8 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £21K | £9,802 | £136K | £619K | 5 |
| 30 Jun 2025 | £252K | £8,412 | £160K | £448K | 8 |
| 30 Jun 2024 | £394K | £49K | £101K | £58K | 13 |
| 30 Jun 2023 | £617K | £190K | £262K | £51K | 16 |
| 30 Jun 2022 | £1.1M | £881K | £953K | £349K | 20 |
| 30 Jun 2021 | £898K | £734K | £786K | £466K | 14 |
| 30 Jun 2020 | £714K | £280K | £371K | £269K | 14 |
| 30 Jun 2019 | £947K | £310K | £1M | £737K | 20 |
| 30 Jun 2018 | £1.3M | £895K | £1.3M | £617K | |
| 30 Jun 2017 | £1.2M | £880K | £1.6M | £839K | 28 |
Where J.J. Mullins (Civil Engineering) Limited is registered
The registered office is in Bolton (BL5), in the Bolton local authority area, North West. Show BL5 2BT on a map.
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What happens if J.J. Mullins (Civil Engineering) 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 03158510
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 February 1996 (30 years ago)
- Registered office
- Oakhurst Cottage Off Wigan Road, Westhoughton, Bolton, BL5 2BT
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 5 February 2026
- Charges (mortgages)
- 0 outstanding of 3 registered
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 Bolton
Other active civil engineering contractors registered in Bolton.
- John Finnamore Limited2004
- JRF Civils Ltd2026
- Jurassic Coast Civils and Landscaping Ltd2023
- Kilmartin (North West) Limited2005
- Kilmartin Limited2003
- L. Smith and Sons Engineering Contractors Ltd2026
- Lambs(UK) Civils Limited2017
- M Wild Utilities Limited2016
All civil engineering contractors in Bolton · All trades in Bolton · Civil engineering across the UK
Frequently asked questions
When are J.J. Mullins (Civil Engineering) Limited's accounts due?
J.J. Mullins (Civil Engineering) Limited's next accounts are due at Companies House by 31 March 2028 (in 535 days), covering the period to 30 June 2027.
When is J.J. Mullins (Civil Engineering) Limited's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is J.J. Mullins (Civil Engineering) Limited still trading?
J.J. Mullins (Civil Engineering) 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 J.J. Mullins (Civil Engineering) Limited do?
J.J. Mullins (Civil Engineering) Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is J.J. Mullins (Civil Engineering) Limited?
J.J. Mullins (Civil Engineering) Limited was incorporated on 14 February 1996, 30 years ago.
What is the penalty if J.J. Mullins (Civil Engineering) 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 J.J. Mullins (Civil Engineering) 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.