- Companies
- Civil engineering
- Doncaster
- Minbrooke Testing Services Ltd
Minbrooke Testing Services Ltd
- Company number
- 09553996
- Incorporated
- 21 Apr 201511 years trading
- Registered office
- 12 Turnberry Court, Bentley, Doncaster, DN5 0UL
- Nature of business
- Construction of utility projects for electricity and telecommunications; Wired telecommunications activities; Other professional, scientific and technical activities n.e.c.
Minbrooke Testing Services Ltd is a 11-year-old private limited company registered in Doncaster, company number 09553996, one of 170 civil engineering contractors in Doncaster. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £5,729 (-41.4%) on the year before, to £8,093.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- 1 employee on average, down from 2 the year before.
- 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 Apr 2025 | £8,093 | 1 | |||
| 30 Apr 2024 | £14K | 2 | |||
| 30 Apr 2023 | £33K | 2 | |||
| 30 Apr 2022 | £5,579 | £16K | £11K | 0 | |
| 30 Apr 2021 | £4,033 | £8,890 | £5,925 | 0 | |
| 30 Apr 2020 | £2,564 | £4,595 | £1,701 | 0 | |
| 30 Apr 2019 | £1,913 | £4,127 | £2,214 | ||
| 30 Apr 2018 | £365 | £3,170 | £2,805 | ||
| 30 Apr 2017 | £291 | £3,708 | £3,417 | ||
| 30 Apr 2016 | £101 | £2,930 | £2,829 |
Where Minbrooke Testing Services Ltd is registered
The registered office is in Doncaster (DN5), in the Doncaster local authority area, Yorkshire and The Humber. Show DN5 0UL on a map.
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What happens if Minbrooke Testing Services 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 09553996
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 April 2015 (11 years ago)
- Registered office
- 12 Turnberry Court, Bentley, Doncaster, DN5 0UL
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Wired telecommunications activities (SIC 61100)
Other professional, scientific and technical activities n.e.c. (SIC 74909) - Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 11 October 2025
- Previous names
- Minbrooke Testing Service Ltd (until 22 Apr 2015)
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 Doncaster
Other active civil engineering contractors registered in Doncaster.
- Moran Paving Limited2023
- Murtagh & Maloney Limited2006
- N&L Pro+ Utilities Limited2025
- Nash Civils Ltd2025
- Nationwide Groundworks Ltd2017
- Nationwide Water Solutions Ltd2018
- New-Con (Yorkshire) Ltd2023
- Newington Engineering Limited2026
All civil engineering contractors in Doncaster · All trades in Doncaster · Civil engineering across the UK
Frequently asked questions
When are Minbrooke Testing Services Ltd's accounts due?
Minbrooke Testing Services Ltd's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Minbrooke Testing Services Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Minbrooke Testing Services Ltd still trading?
Minbrooke Testing Services 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 Minbrooke Testing Services Ltd do?
Minbrooke Testing Services Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Wired telecommunications activities (SIC 61100); Other professional, scientific and technical activities n.e.c. (SIC 74909).
How old is Minbrooke Testing Services Ltd?
Minbrooke Testing Services Ltd was incorporated on 21 April 2015, 11 years ago.
What is the penalty if Minbrooke Testing Services 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 Minbrooke Testing Services 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.