- Companies
- Civil engineering
- Rickmansworth
- Cmor Limited
Cmor Limited
- Company number
- 17153909
- Incorporated
- 13 Apr 2026
- Registered office
- 39 Mill Way, Mill End, Rickmansworth, WD3 8QR
- Nature of business
- Construction of water projects; Construction of other civil engineering projects n.e.c.; Management consultancy activities other than financial management
Cmor Limited is a newly incorporated private limited company registered in Rickmansworth, company number 17153909, one of 15 civil engineering contractors in Rickmansworth. Its next accounts are due at Companies House on 13 January 2028, and its first CT600 is due at HMRC on 12 April 2028.
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 Cmor Limited is registered
The registered office is in Rickmansworth (WD3), in the Three Rivers local authority area, East of England. Show WD3 8QR on a map.
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- Aa Estate Developers LtdProperty developers
- DW17 LimitedProperty developers
- Twelve Construct LtdProperty developers
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- Daf Construction Services LtdBuilders
- J&V Customs LtdMechanics and garages
What happens if Cmor 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 13 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Jan 2028 to 13 Feb 2028 | £150 |
| 1 to 3 months late | 14 Feb 2028 to 13 Apr 2028 | £375 |
| 3 to 6 months late | 14 Apr 2028 to 13 Jul 2028 | £750 |
| More than 6 months late | From 14 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 17153909
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 April 2026
- Registered office
- 39 Mill Way, Mill End, Rickmansworth, WD3 8QR
- Nature of business
- Construction of water projects (SIC 42910)
Construction of other civil engineering projects n.e.c. (SIC 42990)
Management consultancy activities other than financial management (SIC 70229) - Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Rickmansworth
Other active civil engineering contractors registered in Rickmansworth.
- CTL Construction & Development Ltd2026
- D.P.H. London Limited2015
- Forbes Chapman Ltd2018
- Longer Rise Engineering Ltd2018
- Maincore Building Services Limited2002
- Mastercraft Maintenance Limited1998
- MCD Haulage and Infrastructure Ltd2026
- P J Electrical & Home Automation Ltd2017
All civil engineering contractors in Rickmansworth · All trades in Rickmansworth · Civil engineering across the UK
Frequently asked questions
When are Cmor Limited's accounts due?
Cmor Limited's next accounts are due at Companies House by 13 January 2028 (in 457 days), covering the period to 30 April 2027.
When is Cmor 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 12 April 2027, due by 12 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cmor Limited still trading?
Cmor 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 Cmor Limited do?
Cmor Limited is registered under Construction of water projects (SIC 42910); Construction of other civil engineering projects n.e.c. (SIC 42990); Management consultancy activities other than financial management (SIC 70229).
How old is Cmor Limited?
Cmor Limited was incorporated on 13 April 2026, less than a year ago.
What is the penalty if Cmor 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 Cmor 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.