- Company number
- 16458211
- Incorporated
- 19 May 20251 year trading
- Registered office
- Unit 5 Norman Way Industrial Estate, Over, Cambridge, CB24 5QE
- Nature of business
- Construction of domestic buildings; Other transportation support activities
Cartainer Ltd is a 1-year-old private limited company registered in Cambridge, company number 16458211, one of 238 building contractors in Cambridge. Its next accounts are due at Companies House on 19 February 2027, and its first CT600 is due at HMRC on 18 May 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.
Is this your company?
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Where Cartainer Ltd is registered
The registered office is in Cambridge (CB24), in the South Cambridgeshire local authority area, East of England. Show CB24 5QE on a map.
Other trade companies in CB24
- Pro Radiant Cleaners LtdCleaning companies
- C Smith Engineering LtdMachinery repair and installation
- Mykin LimitedElectricians
- A & A Land Development LimitedBuilders
- Menzies Repairs LtdSpecialist contractors
- Adc Mechanical LtdMachinery repair and installation
- Cam Glow Cleaning LimitedCleaning companies
- Majestic Sequoia Group LtdCleaning companies
What happens if Cartainer 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 19 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Feb 2027 to 19 Mar 2027 | £150 |
| 1 to 3 months late | 20 Mar 2027 to 19 May 2027 | £375 |
| 3 to 6 months late | 20 May 2027 to 19 Aug 2027 | £750 |
| More than 6 months late | From 20 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16458211
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 May 2025 (1 year ago)
- Registered office
- Unit 5 Norman Way Industrial Estate, Over, Cambridge, CB24 5QE
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other transportation support activities (SIC 52290) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 17 May 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 Cambridge
Other active building contractors registered in Cambridge.
- Casa Mia Developments (No 1) Limited2011
- CB23 Ltd2021
- Chesterton Enterprise Development Trading Limited2026
- Ciampa & Sons Ltd2021
- Colin Barnes Building Services Ltd2013
- Complete Construction (Cambridge) Ltd2022
- Conington Building Consultants Limited2020
- Construct Building Services Limited2021
All building contractors in Cambridge · All trades in Cambridge · Builders across the UK
Frequently asked questions
When are Cartainer Ltd's accounts due?
Cartainer Ltd's next accounts are due at Companies House by 19 February 2027 (in 130 days), covering the period to 31 May 2026.
When is Cartainer 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 18 May 2026, due by 18 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cartainer Ltd still trading?
Cartainer 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 Cartainer Ltd do?
Cartainer Ltd is registered under Construction of domestic buildings (SIC 41202); Other transportation support activities (SIC 52290).
How old is Cartainer Ltd?
Cartainer Ltd was incorporated on 19 May 2025, 1 year ago.
What is the penalty if Cartainer 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 Cartainer 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.