- Companies
- Groundworks and demolition
- Harrow
- CJM Operations Ltd
CJM Operations Ltd
- Company number
- 16573231
- Incorporated
- 10 Jul 20251 year trading
- Registered office
- Lynwood House, 373-375, Station Road, Harrow, HA1 2AW
- Nature of business
- Site preparation; Management of real estate on a fee or contract basis
CJM Operations Ltd is a 1-year-old private limited company registered in Harrow, company number 16573231, one of 9 groundworks and demolition companies in Harrow. Its next accounts are due at Companies House on 10 April 2027, and its first CT600 is due at HMRC on 9 July 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 CJM Operations Ltd is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2AW on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
4 other companies use the same registered office as CJM Operations Ltd.
- Am Street Cars LtdMotor traders
- Nova Outdoor Solutions LimitedBuilders
- Sparrow Estates LimitedProperty developers
- Yiannimize Modifications LimitedMechanics and garages
What happens if CJM Operations 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 10 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Apr 2027 to 10 May 2027 | £150 |
| 1 to 3 months late | 11 May 2027 to 10 Jul 2027 | £375 |
| 3 to 6 months late | 11 Jul 2027 to 10 Oct 2027 | £750 |
| More than 6 months late | From 11 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16573231
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 July 2025 (1 year ago)
- Registered office
- Lynwood House, 373-375, Station Road, Harrow, HA1 2AW
- Nature of business
- Site preparation (SIC 43120)
Management of real estate on a fee or contract basis (SIC 68320) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 9 July 2026
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Harrow
Other active groundworks and demolition companies registered in Harrow.
- Clonmel Building Contractors Limited1997
- David Brierley Limited2019
- Glencor Limited1998
- Grand Contractor Group Ltd2025
- MJ & CJ Ltd2020
- Startline Services Ltd2020
- Bga-Weld Pipe Systems Limited2022
- C.I.Dura Construction Ltd2018
All groundworks and demolition companies in Harrow · All trades in Harrow · Groundworks and demolition across the UK
Frequently asked questions
When are CJM Operations Ltd's accounts due?
CJM Operations Ltd's next accounts are due at Companies House by 10 April 2027 (in 179 days), covering the period to 31 July 2026.
When is CJM Operations 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 9 July 2026, due by 9 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is CJM Operations Ltd still trading?
CJM Operations 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 CJM Operations Ltd do?
CJM Operations Ltd is registered under Site preparation (SIC 43120); Management of real estate on a fee or contract basis (SIC 68320).
How old is CJM Operations Ltd?
CJM Operations Ltd was incorporated on 10 July 2025, 1 year ago.
What is the penalty if CJM Operations 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 CJM Operations 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.