- Companies
- Civil engineering
- Rainham
- Jai CSS Ltd
Jai CSS Ltd
- Company number
- 17416182
- Incorporated
- 24 Aug 2026
- Registered office
- First Floor Office 25A C E M E Innovation Centre, Marsh Way, Rainham, RM13 8EU
- Nature of business
- Construction of other civil engineering projects n.e.c.; Other business support service activities n.e.c.
Jai CSS Ltd is a newly incorporated private limited company registered in Rainham, company number 17416182, one of 32 civil engineering contractors in Rainham. Its next accounts are due at Companies House on 24 May 2028, and its first CT600 is due at HMRC on 23 August 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 Jai CSS Ltd is registered
The registered office is in Rainham (RM13), in the Havering local authority area, London. Show RM13 8EU on a map.
Other trade companies in RM13
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- Namto LtdBuilders
- Digline Utilities LtdBuilders
- A & M Heating Plumbing LimitedPlumbers and heating engineers
- Cultured Auto LtdMechanics and garages
- Skyway Home LtdSpecialist contractors
- Car Sales Direct LtdMotor traders
- TLL Engineering Ltd LtdBuilders
Also registered at this address
9 other companies use the same registered office as Jai CSS Ltd.
- Ay Homes Investment LimitedProperty developers
- Crystal Diamonds Cleaning LtdCleaning companies
- Galley Maintenance LtdSpecialist contractors
- Gardens Design & Build LtdLandscapers and gardeners
- Kobis Engineering UK LtdCivil engineering
- Newgroundglobal LimitedCleaning companies
- Nurenewables Heating LtdPlumbers and heating engineers
- Pad & Nessa Properties LtdBuilders
- Si Civils LtdCivil engineering
What happens if Jai CSS 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 24 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 May 2028 to 24 Jun 2028 | £150 |
| 1 to 3 months late | 25 Jun 2028 to 24 Aug 2028 | £375 |
| 3 to 6 months late | 25 Aug 2028 to 24 Nov 2028 | £750 |
| More than 6 months late | From 25 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17416182
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 August 2026
- Registered office
- First Floor Office 25A C E M E Innovation Centre, Marsh Way, Rainham, RM13 8EU
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 31 August (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 Rainham
Other active civil engineering contractors registered in Rainham.
- Kaluk Group Ltd2024
- Kobis Engineering UK Ltd2024
- Macec Limited2014
- Marhale Limited2017
- Nuhur Limited2012
- Optimus Comms Ltd2025
- Petty Consultancy Limited2020
- Qreed Consult Services Ltd2025
All civil engineering contractors in Rainham · All trades in Rainham · Civil engineering across the UK
Frequently asked questions
When are Jai CSS Ltd's accounts due?
Jai CSS Ltd's next accounts are due at Companies House by 24 May 2028 (in 590 days), covering the period to 31 August 2027.
When is Jai CSS 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 23 August 2027, due by 23 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Jai CSS Ltd still trading?
Jai CSS 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 Jai CSS Ltd do?
Jai CSS Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other business support service activities n.e.c. (SIC 82990).
How old is Jai CSS Ltd?
Jai CSS Ltd was incorporated on 24 August 2026, less than a year ago.
What is the penalty if Jai CSS 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 Jai CSS 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.