- Companies
- Groundworks and demolition
- Darlington
- Mark Digger Limited
Mark Digger Limited
- Company number
- 09200719
- Incorporated
- 3 Sep 201412 years trading
- Registered office
- 73 Duke Street, Darlington, Co Durham, DL3 7SD
- Nature of business
- Site preparation
Mark Digger Limited is a 12-year-old private limited company registered in Darlington, company number 09200719, one of 8 groundworks and demolition companies in Darlington. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 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 down £5,236 (-4%) on the year before, to £126K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £7,889 against £77K owed within a year: 0.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £126K | £7,889 | £77K | 0 | |
| 30 Sep 2024 | £131K | £5,161 | £80K | 0 | |
| 30 Sep 2023 | £114K | £2,895 | £91K | 0 | |
| 30 Sep 2022 | £118K | £16K | £104K | 0 | |
| 30 Sep 2021 | £114K | £34K | £213K | 0 | |
| 30 Sep 2020 | £96K | £16K | £153K | 0 | |
| 30 Sep 2019 | £77K | £19K | £64K | 0 | |
| 30 Sep 2018 | £49K | £33K | £42K | ||
| 30 Sep 2017 | £14K | £7,836 | £45K | ||
| 30 Sep 2016 | £11K | £6,918 | £12K | £33K |
Where Mark Digger Limited is registered
The registered office is in Darlington (DL3), in the Darlington local authority area, North East. Show DL3 7SD on a map.
Other trade companies in DL3
- Shine With Helen LtdCleaning companies
- RJB Consultants LtdInstallers
- Garry's Car Valeting LtdCleaning companies
- Go Elite Cleaning Services LtdCleaning companies
- BGP Property LtdProperty developers
- Frontier Energy Services LtdPlumbers and heating engineers
- Andrew Morgan Joinery LtdJoiners and carpenters
- Aburns Engineering LtdBuilders
Shared registered office
40 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Mark Digger 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 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
- 09200719
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 September 2014 (12 years ago)
- Registered office
- 73 Duke Street, Darlington, Co Durham, DL3 7SD
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 5 September 2025
- Previous names
- Dig IT & Leg IT Limited (until 8 Jan 2016)
Mark Digger Ltd (until 14 Dec 2015)
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 Darlington
Other active groundworks and demolition companies registered in Darlington.
- Rapta Ltd2024
- RB Wade Groundworks Ltd2020
- Sawden & Sons Limited2018
- Gravity Demolition Ltd2023
- H Group International Ltd2026
- H. J. I'anson Limited2009
- JCB Agricultural & Building Contractor Ltd2011
All groundworks and demolition companies in Darlington · All trades in Darlington · Groundworks and demolition across the UK
Frequently asked questions
When are Mark Digger Limited's accounts due?
Mark Digger Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Mark Digger Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Mark Digger Limited still trading?
Mark Digger 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 Mark Digger Limited do?
Mark Digger Limited is registered under Site preparation (SIC 43120).
How old is Mark Digger Limited?
Mark Digger Limited was incorporated on 3 September 2014, 12 years ago.
What is the penalty if Mark Digger 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 Mark Digger 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.