- Company number
- 12275891
- Incorporated
- 22 Oct 20196 years trading
- Registered office
- 9 Corbets Tey Road, Upminster, Essex, RM14 2AP
- Nature of business
- Construction of domestic buildings; Electrical installation
Theblackcompany Ltd is a 6-year-old private limited company registered in Upminster, company number 12275891, one of 61 building contractors in Upminster. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
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 £5,220 (+59.4%) on the year before, to £14K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £92K against £79K owed within a year: 1.2 times cover.
- 2 employees 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 |
|---|---|---|---|---|---|
| 31 Oct 2025 | £14K | £87K | £92K | £79K | 2 |
| 31 Oct 2024 | £8,781 | £59K | £65K | £58K | 2 |
| 31 Oct 2023 | £5,629 | £7,965 | £14K | £12K | 2 |
| 31 Oct 2022 | £6,099 | £5,729 | £13K | £11K | 2 |
| 31 Oct 2021 | -£131 | £2,161 | £8,141 | £8,272 | 2 |
| 31 Oct 2020 | -£1,258 | £5,980 | £7,238 | 2 |
Where Theblackcompany Ltd is registered
The registered office is in Upminster (RM14), in the Havering local authority area, London. Show RM14 2AP on a map.
Other trade companies in RM14
- Bobofresh LtdCleaning companies
- HTS Construction LtdBuilders
- We Fix Energy LtdCivil engineering
- ZH Services LtdBuilders
- Ragasan LimitedBuilders
- Your Serve LtdCleaning companies
- LC Engineering LtdMachinery repair and installation
- Caat Interiors LtdInstallers
Shared registered office
41 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 Theblackcompany 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 12275891
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 October 2019 (6 years ago)
- Registered office
- 9 Corbets Tey Road, Upminster, Essex, RM14 2AP
- Nature of business
- Construction of domestic buildings (SIC 41202)
Electrical installation (SIC 43210) - Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 21 October 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Upminster
Other active building contractors registered in Upminster.
- Titan Brickwork Limited2010
- TJJ Contracts Ltd2025
- TK Contracts Limited2019
- Total Build Essex Ltd2022
- UK Giant Pro Ltd2024
- ZH Services Ltd2026
- A&L Patriot Ltd2025
- Af&Pe Carpentry Ltd2021
All building contractors in Upminster · All trades in Upminster · Builders across the UK
Frequently asked questions
When are Theblackcompany Ltd's accounts due?
Theblackcompany Ltd's next accounts are due at Companies House by 31 October 2026 (in 17 days), covering the period to 31 January 2026.
When is Theblackcompany Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Theblackcompany Ltd still trading?
Theblackcompany 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 Theblackcompany Ltd do?
Theblackcompany Ltd is registered under Construction of domestic buildings (SIC 41202); Electrical installation (SIC 43210).
How old is Theblackcompany Ltd?
Theblackcompany Ltd was incorporated on 22 October 2019, 6 years ago.
What is the penalty if Theblackcompany 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 Theblackcompany 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.