- Companies
- Installers
- London
- Riv Designers Ltd
Riv Designers Ltd
- Company number
- 11882560
- Incorporated
- 14 Mar 20197 years trading
- Registered office
- 167 - 169 167 - 169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Other construction installation; Engineering design activities for industrial process and production
Riv Designers Ltd is a 7-year-old private limited company registered in London, company number 11882560, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £14K (+87.7%) on the year before, to £30K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £43K against £22K owed within a year: 1.9 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £30K | £19K | £43K | £22K | 2 |
| 31 Mar 2024 | £16K | £20K | £35K | £21K | 2 |
| 31 Mar 2023 | £30K | £35K | £101K | £73K | 2 |
| 31 Mar 2022 | £11K | £19K | £59K | £50K | 2 |
| 31 Mar 2021 | £11K | £37K | £45K | £39K | 2 |
| 31 Mar 2020 | £2,955 | £32K | £30K | 2 |
Where Riv Designers Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
Other trade companies in W1W
- Civaris LtdSpecialist contractors
- R&R Construction Group LtdBuilders
- Aurum Cooling LtdPlumbers and heating engineers
- Steam Wood Stone LtdFinishing trades
- Hau Developments LimitedProperty developers
- Group Atlas Financial 83 LtdPainters and decorators
- Energy Reward LtdMotor traders
- Holly’S Housekeeping LtdCleaning companies
Also registered at this address
9 other companies use the same registered office as Riv Designers Ltd.
- Aaaj Global LtdBuilders
- Amtaargc LtdBuilders
- Central London Construction LtdProperty developers
- Crystal Environmental Solution LimitedElectricians
- Davenport Services LtdPlasterers
- Design Build Solutions (Southern) LimitedBuilders
- Marla London LtdProperty developers
- Passionshine Cleaning Services LtdCleaning companies
- Rob the Builder LtdFinishing trades
What happens if Riv Designers 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2028 | 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
- 11882560
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 March 2019 (7 years ago)
- Registered office
- 167 - 169 167 - 169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Other construction installation (SIC 43290)
Engineering design activities for industrial process and production (SIC 71121) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 13 March 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Riva Couvreur Ltd2025
- Rizenlifts Ltd2024
- Rizwan Alarabia Trading Limited2025
- Rizwan Alarabia Trading Private Ltd2025
- RKC Insulation Ltd2024
- RKK Infinity Projects Ltd2016
- RKRN Construction Ltd2026
- RMK Sales Ltd2026
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Riv Designers Ltd's accounts due?
Riv Designers Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Riv Designers Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Riv Designers Ltd still trading?
Riv Designers 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 Riv Designers Ltd do?
Riv Designers Ltd is registered under Other construction installation (SIC 43290); Engineering design activities for industrial process and production (SIC 71121).
How old is Riv Designers Ltd?
Riv Designers Ltd was incorporated on 14 March 2019, 7 years ago.
What is the penalty if Riv Designers 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 Riv Designers 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.