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- Whitebox Construction Limited
Company profile · Civil engineering
Whitebox Construction Limited
Whitebox Construction Limited is a 24-year-old private limited company registered in Derby, company number 04362353, one of 136 civil engineering contractors in Derby. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 May 2025, as filed at Companies House.
Whitebox Construction Limited over the years
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 £172K (+29.7%) on the year before, to £752K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £1.4M against £823K owed within a year: 1.6 times cover.
- 5 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 May 2025 | £752K | £196 | £1.4M | £823K | 5 |
| 31 May 2024 | £580K | £164 | £1.1M | £776K | 5 |
| 31 May 2023 | £1M | £171K | £1.6M | £735K | 4 |
| 31 May 2022 | £1M | £465K | £1.7M | £846K | 4 |
| 31 May 2021 | £1.1M | £274K | £2.2M | £997K | 4 |
| 31 May 2020 | £938K | £239K | £1.7M | £920K | 4 |
| 31 May 2019 | £966K | £388K | £1.5M | £775K | 4 |
| 31 May 2018 | £968K | £35K | £1.6M | £811K | 4 |
| 31 May 2017 | £836K | £237K | £1.6M | £963K | 4 |
| 31 May 2016 | £715K | £227 | £1.3M | £768K |
Who runs and owns Whitebox Construction Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| A*** S*** | Director | Jan 2002 |
| S*** S*** | Director | Jan 2002 |
| A*** S*** | Secretary | Jan 2002 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Waterlow Secretaries Limited | Corporate Nominee Secretary | Jan 2002 | Jan 2002 |
| Waterlow Nominees Limited | Nominee director (company) | Jan 2002 | Jan 2002 |
People with significant control (2)
Charges (secured borrowing)
4 of 4 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| National Westminster Bank PLC | Outstanding | Jun 2015 |
| National Westminster Bank PLC | Outstanding | Jun 2015 |
| Vehicle Quality Solutions Limited | Outstanding | Jun 2012 |
| National Westminster Bank PLC | Outstanding | Aug 2002 |
Where Whitebox Construction Limited is registered
The registered office is in Derby (DE1), in the Derby local authority area, East Midlands. Show DE1 1TJ on a map.
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- Presswood Maintenance LtdSpecialist contractors
- Moto Z LimitedMotor traders
- Angdey Union LtdBuilders
- Prestige Body Care LtdMechanics and garages
- Premier Business Group LimitedMotor traders
- Streamline Plumbing & Heating LtdPlumbers and heating engineers
- Dsfairfix LtdSpecialist contractors
Also registered at this address
3 other companies use the same registered office as Whitebox Construction Limited.
- Amber Contract Services LimitedCivil engineering
- Motion Digital LimitedMotor traders
- Myco Installations LimitedJoiners and carpenters
What happens if Whitebox Construction 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 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 04362353
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 January 2002 (24 years ago)
- Registered office
- C/O Johnson Tidsall & Co, 81 Burton Road, Derby, Derbyshire, DE1 1TJ
- Nature of business
- Construction of utility projects for fluids (SIC 42210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 29 January 2026
- Charges (mortgages)
- 4 outstanding of 4 registered
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 Derby
Other active civil engineering contractors registered in Derby.
- Wolf Constraction Ltd2026
- Wyndthorpe Electrical Limited2009
- Zeet Traffic Management Limited2026
- Zielant and Zielant Ltd2024
- 6 Solutions Civil Engineering Ltd2026
- A & M Driveways Limited2003
- A & N Civils Limited2026
- Advanced Pressure Testing Limited2013
All civil engineering contractors in Derby · All trades in Derby · Civil engineering across the UK
Frequently asked questions
When are Whitebox Construction Limited's accounts due?
Whitebox Construction Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Whitebox Construction Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Whitebox Construction Limited still trading?
Whitebox Construction 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 Whitebox Construction Limited do?
Whitebox Construction Limited is registered under Construction of utility projects for fluids (SIC 42210).
How old is Whitebox Construction Limited?
Whitebox Construction Limited was incorporated on 29 January 2002, 24 years ago.
Who runs Whitebox Construction Limited?
Whitebox Construction Limited has 2 active directors, the longest-serving appointed in Jan 2002. Their names and service addresses are on the Companies House register.
Who owns Whitebox Construction Limited?
2 people or companies have significant control of Whitebox Construction Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Whitebox Construction 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 Whitebox Construction 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.