- Companies
- Builders
- Staines-upon-Thames
- Cernamak Limited
Cernamak Limited
- Company number
- 16193460
- Incorporated
- 19 Jan 20251 year trading
- Registered office
- 2C Richmond Road, Staines-upon-Thames, TW18 2AB
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Retail sale via mail order houses or via Internet; Combined facilities support activities
Cernamak Limited is a 1-year-old private limited company registered in Staines-upon-Thames, company number 16193460, one of 106 building contractors in Staines-upon-Thames. Its next accounts are due at Companies House on 19 October 2026, and its first CT600 is due at HMRC on 18 January 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Cernamak Limited is registered
The registered office is in Staines-upon-Thames (TW18), in the Spelthorne local authority area, South East. Show TW18 2AB on a map.
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- Querceto Property LtdProperty developers
- Deep Property Group LtdProperty developers
- Icm Power LtdMachinery repair and installation
- Staines Scooter LtdMotor traders
- JBS All-Trades LtdPlumbers and heating engineers
- Almisor Solar LtdBuilders
- Greenzone Cooling LtdPlumbers and heating engineers
What happens if Cernamak 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 19 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Oct 2026 to 19 Nov 2026 | £150 |
| 1 to 3 months late | 20 Nov 2026 to 19 Jan 2027 | £375 |
| 3 to 6 months late | 20 Jan 2027 to 19 Apr 2027 | £750 |
| More than 6 months late | From 20 Apr 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
- 16193460
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 January 2025 (1 year ago)
- Registered office
- 2C Richmond Road, Staines-upon-Thames, TW18 2AB
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Retail sale via mail order houses or via Internet (SIC 47910)
Combined facilities support activities (SIC 81100) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 28 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 Staines-upon-Thames
Other active building contractors registered in Staines-upon-Thames.
- Clar Constructions Ltd2024
- Con Fire and Security Limited2020
- Cuzztec Ltd2026
- Dawn to Dusk Builders Ltd2022
- Devshare Ltd2026
- DFD Construction Ltd2021
- DJF Lofts and Extensions Ltd2024
- Dutt Builders Ltd2021
All building contractors in Staines-upon-Thames · All trades in Staines-upon-Thames · Builders across the UK
Frequently asked questions
When are Cernamak Limited's accounts due?
Cernamak Limited's next accounts are due at Companies House by 19 October 2026 (in 7 days), covering the period to 31 January 2026.
When is Cernamak Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 18 January 2026, due by 18 January 2027, 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 Cernamak Limited still trading?
Cernamak 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 Cernamak Limited do?
Cernamak Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Retail sale via mail order houses or via Internet (SIC 47910); Combined facilities support activities (SIC 81100).
How old is Cernamak Limited?
Cernamak Limited was incorporated on 19 January 2025, 1 year ago.
What is the penalty if Cernamak 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 Cernamak 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.