- Companies
- Specialist contractors
- London
- Jack Greg Alternative Heavy Operations Ltd
Jack Greg Alternative Heavy Operations Ltd
- Company number
- 16146235
- Incorporated
- 20 Dec 20241 year trading
- Registered office
- 93 Selborne Road, London, N14 7DE
- Nature of business
- Other specialised construction activities n.e.c.; Other information technology service activities; Engineering related scientific and technical consulting activities; Other engineering activities
Jack Greg Alternative Heavy Operations Ltd is a 1-year-old private limited company registered in London, company number 16146235, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 20 December 2026, and its first CT600 is due at HMRC on 19 December 2026.
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 Jack Greg Alternative Heavy Operations Ltd is registered
The registered office is in London (N14), in the Enfield local authority area, London. Show N14 7DE on a map.
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What happens if Jack Greg Alternative Heavy 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 20 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Dec 2026 to 20 Jan 2027 | £150 |
| 1 to 3 months late | 21 Jan 2027 to 20 Mar 2027 | £375 |
| 3 to 6 months late | 21 Mar 2027 to 20 Jun 2027 | £750 |
| More than 6 months late | From 21 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 16146235
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 December 2024 (1 year ago)
- Registered office
- 93 Selborne Road, London, N14 7DE
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Other information technology service activities (SIC 62090)
Engineering related scientific and technical consulting activities (SIC 71122)
Other engineering activities (SIC 71129) - Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 26 January 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Jack Trades Repair Ltd2025
- Jackson Builders and Consultants Limited1986
- Jacob Storey Rope Access Ltd2026
- Jaggar Group Ltd2017
- Jaja Empire Limited2026
- Jaja Services Ltd2020
- James Portugal Limited2018
- James Van Services Ltd2025
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Jack Greg Alternative Heavy Operations Ltd's accounts due?
Jack Greg Alternative Heavy Operations Ltd's next accounts are due at Companies House by 20 December 2026 (in 68 days), covering the period to 31 December 2025.
When is Jack Greg Alternative Heavy 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 19 December 2025, due by 19 December 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Jack Greg Alternative Heavy Operations Ltd still trading?
Jack Greg Alternative Heavy 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 Jack Greg Alternative Heavy Operations Ltd do?
Jack Greg Alternative Heavy Operations Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Other information technology service activities (SIC 62090); Engineering related scientific and technical consulting activities (SIC 71122); Other engineering activities (SIC 71129).
How old is Jack Greg Alternative Heavy Operations Ltd?
Jack Greg Alternative Heavy Operations Ltd was incorporated on 20 December 2024, 1 year ago.
What is the penalty if Jack Greg Alternative Heavy 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 Jack Greg Alternative Heavy 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.