- Companies
- Groundworks and demolition
- Blackburn
- Marnic Groundwork Limited
Marnic Groundwork Limited
- Company number
- 03835545
- Incorporated
- 2 Sep 199927 years trading
- Registered office
- 18 Haslingden Old Road Knuzden, Blackburn, Lancashire, BB1 2DY
- Nature of business
- Site preparation
Marnic Groundwork Limited is a 27-year-old private limited company registered in Blackburn, company number 03835545, one of 6 groundworks and demolition companies in Blackburn. Its next accounts are due at Companies House on 28 June 2027, and the CT600 for the period to 28 September 2026 is due at HMRC on 28 September 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 up £109K (+17.9%) on the year before, to £720K.
- Net assets rose in 7 of 7 year-on-year comparisons on record.
- Current assets of £771K against £531K owed within a year: 1.5 times cover.
- 6 employees on average during the year.
- Balance sheets on record for 9 years, 2014 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £720K | £108K | £771K | £531K | 6 |
| 30 Sep 2024 | £611K | £208K | £643K | £374K | 6 |
| 30 Sep 2023 | £531K | £76K | £435K | £380K | 7 |
| 30 Sep 2019 | £430K | £64K | £169K | £160K | 5 |
| 30 Sep 2018 | £391K | £42K | £199K | £175K | 5 |
| 30 Sep 2017 | £282K | £38K | £179K | £208K | 7 |
| 30 Sep 2016 | £206K | £12K | £84K | £198K | |
| 30 Sep 2015 | £177K | £61K | £109K | £180K | |
| 30 Sep 2014 | £129K | £5,828 | £97K | £133K |
Where Marnic Groundwork Limited is registered
The registered office is in Blackburn (BB1), in the Hyndburn local authority area, North West. Show BB1 2DY on a map.
Other trade companies in BB1
- Home Electrical Services NW LtdElectricians
- NC Capital Holdings LtdProperty developers
- McKay Energy Solutions LtdBuilders
- S & A Auto Repairs LtdMotor traders
- E Builders LimitedBuilders
- Mat Tinker Refinishing LtdPainters and decorators
- Rapidel LtdBuilders
- Karange Developments LimitedProperty developers
What happens if Marnic Groundwork 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 28 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Jun 2027 to 28 Jul 2027 | £150 |
| 1 to 3 months late | 29 Jul 2027 to 28 Sep 2027 | £375 |
| 3 to 6 months late | 29 Sep 2027 to 28 Dec 2027 | £750 |
| More than 6 months late | From 29 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Sep 2027 | £200 |
| 3 months late | 28 Dec 2027 | another £200 |
| 6 months late | 28 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Sep 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
- 03835545
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 September 1999 (27 years ago)
- Registered office
- 18 Haslingden Old Road Knuzden, Blackburn, Lancashire, BB1 2DY
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 28 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 21 August 2026
- Charges (mortgages)
- 2 outstanding of 3 registered
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 in Blackburn
Other active groundworks and demolition companies registered in Blackburn.
- R.I.T Excavations Ltd2021
- Walker Brothers Demolition Limited2025
- Denton Construction Limited2008
- Denzel Power Utilities Ltd2022
- DTM Groundworks Limited2012
All groundworks and demolition companies in Blackburn · All trades in Blackburn · Groundworks and demolition across the UK
Frequently asked questions
When are Marnic Groundwork Limited's accounts due?
Marnic Groundwork Limited's next accounts are due at Companies House by 28 June 2027 (in 259 days), covering the period to 28 September 2026.
When is Marnic Groundwork Limited's CT600 due?
The CT600 for the period to 28 September 2026 is due at HMRC by 28 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 June 2027.
Is Marnic Groundwork Limited still trading?
Marnic Groundwork 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 Marnic Groundwork Limited do?
Marnic Groundwork Limited is registered under Site preparation (SIC 43120).
How old is Marnic Groundwork Limited?
Marnic Groundwork Limited was incorporated on 2 September 1999, 27 years ago.
What is the penalty if Marnic Groundwork 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 Marnic Groundwork 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.