- Companies
- Groundworks and demolition
- Castle Cary
- Cook Ground Investigation Limited
Cook Ground Investigation Limited
- Company number
- 09079644
- Incorporated
- 10 Jun 201412 years trading
- Registered office
- 18 Brookfields, Castle Cary, Somerset, BA7 7BS
- Nature of business
- Site preparation; Test drilling and boring
Cook Ground Investigation Limited is a 12-year-old private limited company registered in Castle Cary, company number 09079644, one of the UK's groundworks and demolition companies. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £12K (-90.3%) on the year before, to £1,268.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £41K against £67K owed within a year: 0.6 times cover.
- 2 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Dec 2025 | £1,268 | £8,064 | £41K | £67K | 2 |
| 31 Dec 2024 | £13K | £537 | £34K | £58K | 2 |
| 31 Dec 2023 | £14K | £5,719 | £32K | £56K | 2 |
| 31 Dec 2022 | £1,146 | £4,576 | £35K | £67K | 2 |
| 31 Dec 2021 | £112 | £19K | £42K | £70K | 2 |
| 31 Dec 2020 | £4,217 | £17K | £51K | £75K | 2 |
| 31 Dec 2019 | £3,032 | £32K | £62K | £84K | 2 |
| 31 Dec 2018 | £4,101 | £9,156 | £58K | £86K | 2 |
| 31 Dec 2017 | £2,765 | £32K | £70K | £96K | 2 |
| 31 Dec 2016 | £514 | £33K | £57K | £82K | 2 |
Where Cook Ground Investigation Limited is registered
The registered office is in Castle Cary (BA7), in the Somerset local authority area, South West. Show BA7 7BS on a map.
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What happens if Cook Ground Investigation 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 09079644
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 June 2014 (12 years ago)
- Registered office
- 18 Brookfields, Castle Cary, Somerset, BA7 7BS
- Nature of business
- Site preparation (SIC 43120)
Test drilling and boring (SIC 43130) - Year end
- 31 December (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 10 June 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 Castle Cary
Other active groundworks and demolition companies registered in Castle Cary.
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Frequently asked questions
When are Cook Ground Investigation Limited's accounts due?
Cook Ground Investigation Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Cook Ground Investigation Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Cook Ground Investigation Limited still trading?
Cook Ground Investigation 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 Cook Ground Investigation Limited do?
Cook Ground Investigation Limited is registered under Site preparation (SIC 43120); Test drilling and boring (SIC 43130).
How old is Cook Ground Investigation Limited?
Cook Ground Investigation Limited was incorporated on 10 June 2014, 12 years ago.
What is the penalty if Cook Ground Investigation 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 Cook Ground Investigation 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.