- Company number
- 14929443
- Incorporated
- 12 Jun 20233 years trading
- Registered office
- 15 Brinkhill Walk, Corby, NN18 9HG
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Cosimo Construction Ltd is a 3-year-old private limited company registered in Corby, company number 14929443, one of 92 building contractors in Corby. 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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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 £931 (-26%) on the year before, to £2,650.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £2,650 | £3,272 | £622 | 0 | |
| 30 Jun 2024 | £3,581 | £3,581 | 0 |
Where Cosimo Construction Ltd is registered
The registered office is in Corby (NN18), in the North Northamptonshire local authority area, East Midlands. Show NN18 9HG on a map.
Other trade companies in NN18
- Knox Industrial Services LtdCleaning companies
- Smart Repair597 LtdMechanics and garages
- Lva Finishers LtdPlasterers
- L&N Auto Tech Care LtdMechanics and garages
- Mazaauto LtdMachinery repair and installation
- Aly&Car Repairs LtdMechanics and garages
- Corby Property Services LtdBuilders
- Elevate Cleaning Group LtdCleaning companies
What happens if Cosimo Construction 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
- 14929443
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 June 2023 (3 years ago)
- Registered office
- 15 Brinkhill Walk, Corby, NN18 9HG
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 11 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 Corby
Other active building contractors registered in Corby.
- CSS Gold Ltd2024
- Cucu Dry Lining Ltd2020
- D-Mac Groundworks Ltd2026
- David & Dani Auto & Delivery Ltd2026
- David G Construct Ltd2023
- Dinforty Ltd2026
- DNCC Constructions Ltd2025
- Dottx Ltd2023
All building contractors in Corby · All trades in Corby · Builders across the UK
Frequently asked questions
When are Cosimo Construction Ltd's accounts due?
Cosimo Construction Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Cosimo Construction 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 Cosimo Construction Ltd still trading?
Cosimo Construction 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 Cosimo Construction Ltd do?
Cosimo Construction Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Cosimo Construction Ltd?
Cosimo Construction Ltd was incorporated on 12 June 2023, 3 years ago.
What is the penalty if Cosimo Construction 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 Cosimo Construction 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.