- Companies
- Civil engineering
- London
- JSPC Group Ltd
JSPC Group Ltd
- Company number
- 16155553
- Incorporated
- 30 Dec 20241 year trading
- Registered office
- 3RD Floor, 86-90, Paul Street, London, England, EC2A 4NE
- Nature of business
- Construction of railways and underground railways
JSPC Group Ltd is a 1-year-old private limited company registered in London, company number 16155553, one of 1,853 civil engineering contractors in London. Companies House shows its accounts as overdue: they were due on 30 September 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 JSPC Group Ltd is registered
The registered office is in London (EC2A), in the Hackney local authority area, London. Show EC2A 4NE on a map.
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Shared registered office
1,581 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if JSPC Group Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 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
- 16155553
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 December 2024 (1 year ago)
- Registered office
- 3RD Floor, 86-90, Paul Street, London, England, EC2A 4NE
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 2 January 2026
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 London
Other active civil engineering contractors registered in London.
- Junior Clement Aisien Limited2022
- Justify Advisory Limited2026
- Jwatt Roofing Ltd2016
- Jwilliams75 Limited2014
- K - Manpower Ltd2011
- K C Partitions & Plastering Limited2012
- K-CSG Engineering Ltd2025
- K.J.M. Potaczek Ltd2018
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are JSPC Group Ltd's accounts due?
JSPC Group Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is JSPC Group 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 29 December 2025, due by 29 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 JSPC Group Ltd still trading?
JSPC Group Ltd is listed as active on the Companies House register (checked 12 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 JSPC Group Ltd do?
JSPC Group Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is JSPC Group Ltd?
JSPC Group Ltd was incorporated on 30 December 2024, 1 year ago.
What is the penalty if JSPC Group 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 JSPC Group Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.