- Companies
- Electricians
- London
- Riordan Bros Ltd
Riordan Bros Ltd
- Company number
- 14188678
- Incorporated
- 22 Jun 20224 years trading
- Registered office
- C/O NFS,211 Boundary House, Boston Road, London, W7 2QE
- Nature of business
- Electrical installation
Riordan Bros Ltd is a 4-year-old private limited company registered in London, company number 14188678, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £407 (+424%) on the year before, to £503.
- Current assets of £4 against £1,885 owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £503 | £4 | £1,885 | 0 | |
| 30 Jun 2024 | £96 | £4 | £1,589 | 0 | |
| 30 Jun 2023 | £571 | £4,150 | £5,629 | 0 |
Where Riordan Bros Ltd is registered
The registered office is in London (W7), in the Ealing local authority area, London. Show W7 2QE on a map.
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Also registered at this address
12 other companies use the same registered office as Riordan Bros Ltd.
- Avs Heating & Plumbing LtdPlumbers and heating engineers
- Bright London LtdMachinery repair and installation
- Capital Commercial Maintenance LtdMechanics and garages
- DLB Homes LimitedBuilders
- G7 Britannia LtdMotor traders
- Harrow Square LimitedProperty developers
- Heelas Heating LtdPlumbers and heating engineers
- Jasonlee Electrical Ltd.Electricians
- Lapshii LtdBuilders
- LKS Roofing LtdBuilders
- Milton Brook LimitedProperty developers
- UPVC Repair Solutions LtdInstallers
What happens if Riordan Bros 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 14188678
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 June 2022 (4 years ago)
- Registered office
- C/O NFS,211 Boundary House, Boston Road, London, W7 2QE
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 31 March 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in London
Other active electrical contractors registered in London.
- Riton-Hayward Ltd2021
- RJ Building Services Ltd2025
- Rja Electrical Services Ltd2017
- Rjglighting Ltd2020
- RJK Security Systems Limited2001
- RJP Living Ltd2025
- RLR Electrical Solutions Ltd2025
- RM Electrix & Maintenance Ltd2026
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Riordan Bros Ltd's accounts due?
Riordan Bros Ltd's next accounts are due at Companies House by 31 March 2027 (in 168 days), covering the period to 30 June 2026.
When is Riordan Bros Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Riordan Bros Ltd still trading?
Riordan Bros 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 Riordan Bros Ltd do?
Riordan Bros Ltd is registered under Electrical installation (SIC 43210).
How old is Riordan Bros Ltd?
Riordan Bros Ltd was incorporated on 22 June 2022, 4 years ago.
What is the penalty if Riordan Bros 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 Riordan Bros 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.