- Companies
- Specialist contractors
- London
- RSJS Projects Limited
RSJS Projects Limited
- Company number
- 11760415
- Incorporated
- 10 Jan 20197 years trading
- Registered office
- Suite G04, 1 Quality Court, Chancery Lane, London, WC2A 1HR
- Nature of business
- Other specialised construction activities n.e.c.
RSJS Projects Limited is a 7-year-old private limited company registered in London, company number 11760415, one of 4,318 specialist construction companies in London. 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
Worked out from the year end and filing history on the Companies House register.
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Where RSJS Projects Limited is registered
The registered office is in London (WC2A), in the City of London local authority area, London. Show WC2A 1HR on a map.
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Shared registered office
173 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 RSJS Projects 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
- 11760415
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 January 2019 (7 years ago)
- Registered office
- Suite G04, 1 Quality Court, Chancery Lane, London, WC2A 1HR
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 12 September 2025
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.
- RSL Renovation Ltd2025
- Rso Ltd2023
- RTM Construction Ltd2026
- RTS Group of Company UK Ltd2025
- Rubix Design & Build Limited2015
- Rubyrinah Services Limited2015
- Rui Feng Limited2016
- Rukke Ltd2014
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are RSJS Projects Limited's accounts due?
RSJS Projects Limited's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is RSJS Projects 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 RSJS Projects Limited still trading?
RSJS Projects Limited 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 RSJS Projects Limited do?
RSJS Projects Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is RSJS Projects Limited?
RSJS Projects Limited was incorporated on 10 January 2019, 7 years ago.
What is the penalty if RSJS Projects 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 RSJS Projects Limited 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.