Company profile · Builders
Matrix Construction Group Ltd
Matrix Construction Group Ltd is a 6-year-old private limited company registered in London, company number 12678186, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 30 June 2025, as filed at Companies House.
Matrix Construction Group Ltd 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 £2,503 (+39.1%) on the year before, to £8,899.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £13K against £4,222 owed within a year: 3.1 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £8,899 | £13K | £4,222 | 1 | |
| 30 Jun 2024 | £6,396 | £9,606 | £3,127 | 0 | |
| 30 Jun 2023 | £3,203 | £5,550 | £1,178 | 0 | |
| 30 Jun 2022 | -£60 | £4,803 | £1,950 | 0 | |
| 30 Jun 2021 | £100 | £100 |
Where Matrix Construction Group Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 7LT on a map.
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Shared registered office
135 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 Matrix Construction Group 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12678186
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 June 2020 (6 years ago)
- Registered office
- 85 Great Portland Street, First Floor, London, W1W 7LT
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 14 June 2026
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 London
Other active building contractors registered in London.
- Matsliv Development Ltd2025
- Matt Perfection Ltd2023
- Matteo Construct Ltd2018
- Matteo Stone Limited2024
- Matthew Bialecki Ltd2019
- Matthew Stroud Associates Limited2006
- Matthi Ltd2025
- Matthos Limited2023
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Matrix Construction Group Ltd's accounts due?
Matrix Construction Group Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Matrix Construction Group Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Matrix Construction Group Ltd still trading?
Matrix Construction Group 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 Matrix Construction Group Ltd do?
Matrix Construction Group Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Matrix Construction Group Ltd?
Matrix Construction Group Ltd was incorporated on 17 June 2020, 6 years ago.
What is the penalty if Matrix Construction Group 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 Matrix Construction Group 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.