- Companies
- Groundworks and demolition
- London
- Inco-Drilling Ltd
Inco-Drilling Ltd
- Company number
- 11834620
- Incorporated
- 19 Feb 20197 years trading
- Registered office
- Flat 12, 36 Jamestown Road, London, NW1 7BY
- Nature of business
- Test drilling and boring; Engineering related scientific and technical consulting activities
Inco-Drilling Ltd is a 7-year-old private limited company registered in London, company number 11834620, one of 287 groundworks and demolition companies in London. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £29K (+46.9%) on the year before, to £92K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £260K against £168K owed within a year: 1.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £92K | £260K | £168K | 1 | |
| 28 Feb 2024 | £62K | £274K | £212K | 1 | |
| 28 Feb 2023 | -£2,296 | £15K | 1 | ||
| 28 Feb 2022 | £16K | £52K | £43K | 1 | |
| 28 Feb 2021 | £5,891 | £7,729 | £1,358 | 1 | |
| 29 Feb 2020 | £100 | £100 | 1 |
Where Inco-Drilling Ltd is registered
The registered office is in London (NW1), in the Camden local authority area, London. Show NW1 7BY on a map.
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What happens if Inco-Drilling Ltd 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 11834620
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 February 2019 (7 years ago)
- Registered office
- Flat 12, 36 Jamestown Road, London, NW1 7BY
- Nature of business
- Test drilling and boring (SIC 43130)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 6 March 2026
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 London
Other active groundworks and demolition companies registered in London.
- Innovate Construction Ltd2018
- Innovate Drilling Ltd2026
- Iron Flag Global Limited2022
- Ironbridge Restoration Ltd2026
- Isiaq Adebayo Limited2024
- Jay-Neral Limited2025
- JD Cole Limited2017
- Jens Fredskild Limited2022
All groundworks and demolition companies in London · All trades in London · Groundworks and demolition across the UK
Frequently asked questions
When are Inco-Drilling Ltd's accounts due?
Inco-Drilling Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Inco-Drilling Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Inco-Drilling Ltd still trading?
Inco-Drilling Ltd 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 Inco-Drilling Ltd do?
Inco-Drilling Ltd is registered under Test drilling and boring (SIC 43130); Engineering related scientific and technical consulting activities (SIC 71122).
How old is Inco-Drilling Ltd?
Inco-Drilling Ltd was incorporated on 19 February 2019, 7 years ago.
What is the penalty if Inco-Drilling Ltd 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 Inco-Drilling Ltd 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.