- Companies
- Civil engineering
- Cambridge
- JHG Topco Limited
JHG Topco Limited
- Company number
- 17368749
- Incorporated
- 29 Jul 2026
- Registered office
- The Mount, the Sidings Station Road, Longstanton, Cambridge, CB24 3DS
- Nature of business
- Construction of other civil engineering projects n.e.c.; Wired telecommunications activities; Activities of other holding companies n.e.c.
JHG Topco Limited is a newly incorporated private limited company registered in Cambridge, company number 17368749, one of 52 civil engineering contractors in Cambridge. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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.
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Where JHG Topco Limited is registered
The registered office is in Cambridge (CB24), in the South Cambridgeshire local authority area, East of England. Show CB24 3DS on a map.
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What happens if JHG Topco 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 17368749
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 July 2026
- Registered office
- The Mount, the Sidings Station Road, Longstanton, Cambridge, CB24 3DS
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Wired telecommunications activities (SIC 61100)
Activities of other holding companies n.e.c. (SIC 64209) - Year end
- 31 January (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 Cambridge
Other active civil engineering contractors registered in Cambridge.
- JPC Oil & Gas Equipment Limited2019
- K P Cafferkey Limited2014
- Kucinas Contracting Ltd2025
- L & S Contractors Limited2019
- Laniro Limited2009
- M G Monk & Son Limited2009
- Martyn Leeks Limited2006
- Mead Construction (Cambridge) Limited2000
All civil engineering contractors in Cambridge · All trades in Cambridge · Civil engineering across the UK
Frequently asked questions
When are JHG Topco Limited's accounts due?
JHG Topco Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is JHG Topco Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is JHG Topco Limited still trading?
JHG Topco 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 JHG Topco Limited do?
JHG Topco Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Wired telecommunications activities (SIC 61100); Activities of other holding companies n.e.c. (SIC 64209).
How old is JHG Topco Limited?
JHG Topco Limited was incorporated on 29 July 2026, less than a year ago.
What is the penalty if JHG Topco 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 JHG Topco 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.