- Companies
- Electricians
- Southampton
- Riverside Electrical & Pat Testing Ltd
Riverside Electrical & Pat Testing Ltd
- Company number
- 15650448
- Incorporated
- 16 Apr 20242 years trading
- Registered office
- 4A Coleson Road, Southampton, SO18 1HN
- Nature of business
- Electrical installation
Riverside Electrical & Pat Testing Ltd is a 2-year-old private limited company registered in Southampton, company number 15650448, one of 342 electrical contractors in Southampton. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Riverside Electrical & Pat Testing Ltd is registered
The registered office is in Southampton (SO18), in the Southampton local authority area, South East. Show SO18 1HN on a map.
Other trade companies in SO18
- Nationwide Steelfixing LtdBuilders
- Terraline LimitedSpecialist contractors
- Omni Group Holdings LtdSpecialist contractors
- Zammit Property Developments LtdProperty developers
- Shotton Marine LtdMachinery repair and installation
- Amiri Mobile Mechanic LtdMechanics and garages
- Roofing Building & Maintenance LtdSpecialist contractors
- The Tidy Life LtdCleaning companies
What happens if Riverside Electrical & Pat Testing 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 15650448
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 April 2024 (2 years ago)
- Registered office
- 4A Coleson Road, Southampton, SO18 1HN
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 15 April 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 Southampton
Other active electrical contractors registered in Southampton.
- Rizq Peri Peri Grill (Southampton) Limited2022
- Roath Electrical Ltd2021
- Robert Prowting Project Services Limited2012
- Royl Electrical Ltd2026
- Rpdrv Limited2015
- Russtec Contractors Ltd2009
- S Allen Electrical Ltd2018
- S B Hurcombe Electrical Ltd2014
All electrical contractors in Southampton · All trades in Southampton · Electricians across the UK
Frequently asked questions
When are Riverside Electrical & Pat Testing Ltd's accounts due?
Riverside Electrical & Pat Testing Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Riverside Electrical & Pat Testing Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Riverside Electrical & Pat Testing Ltd still trading?
Riverside Electrical & Pat Testing 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 Riverside Electrical & Pat Testing Ltd do?
Riverside Electrical & Pat Testing Ltd is registered under Electrical installation (SIC 43210).
How old is Riverside Electrical & Pat Testing Ltd?
Riverside Electrical & Pat Testing Ltd was incorporated on 16 April 2024, 2 years ago.
What is the penalty if Riverside Electrical & Pat Testing 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 Riverside Electrical & Pat Testing 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.