- Companies
- Specialist contractors
- London
- Consmartin Consortium Limited
Consmartin Consortium Limited
- Company number
- 09444073
- Incorporated
- 17 Feb 201511 years trading
- Registered office
- 7 Rozer Court, De Beauvoir Estate, London, N1 5SS
- Nature of business
- Other specialised construction activities n.e.c.
Consmartin Consortium Limited is a 11-year-old private limited company registered in London, company number 09444073, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £9,135 (-97.4%) on the year before, to £247.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £24K against £5,540 owed within a year: 4.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £247 | £24K | £5,540 | 1 | |
| 29 Feb 2024 | £9,382 | £35K | £7,148 | 1 | |
| 28 Feb 2024 | £9,382 | £35K | £7,148 | 1 | |
| 28 Feb 2023 | £246 | £25K | 3 | ||
| 28 Feb 2022 | £204 | £28K | £5,703 | 1 | |
| 28 Feb 2021 | £190 | £27K | £4,962 | 1 | |
| 29 Feb 2020 | -£748 | -£3,284 | £2,461 | 1 | |
| 28 Feb 2019 | -£979 | -£2,347 | £538 | 1 | |
| 28 Feb 2018 | -£139 | -£2,774 | £1,805 | 1 | |
| 28 Feb 2017 | £941 | £80 | £9,842 | £8,901 | 1 |
Who runs and owns Consmartin Consortium Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| C*** E*** | Director | Feb 2015 |
Person with significant control
Where Consmartin Consortium Limited is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 5SS on a map.
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What happens if Consmartin Consortium 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 09444073
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 February 2015 (11 years ago)
- Registered office
- 7 Rozer Court, De Beauvoir Estate, London, N1 5SS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 13 February 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Constantin Mainsolution Ltd2025
- Constral Ltd2022
- Construct and Capture Ltd2025
- Construct Data Management Ltd2023
- Construct Unite Ltd2024
- Construction Act Payment System Ltd2024
- Construction Cost Estimators Ltd2025
- Construction Engineering Solutions Ltd2022
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Consmartin Consortium Limited's accounts due?
Consmartin Consortium Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Consmartin Consortium Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Consmartin Consortium Limited still trading?
Consmartin Consortium 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 Consmartin Consortium Limited do?
Consmartin Consortium Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Consmartin Consortium Limited?
Consmartin Consortium Limited was incorporated on 17 February 2015, 11 years ago.
Who runs Consmartin Consortium Limited?
Consmartin Consortium Limited has 1 active director, the longest-serving appointed in Feb 2015. Their names and service addresses are on the Companies House register.
Who owns Consmartin Consortium Limited?
One person or company has significant control of Consmartin Consortium Limited: an individual (owns 75% or more of the shares).
What is the penalty if Consmartin Consortium 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 Consmartin Consortium 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.