- Companies
- Electricians
- Guildford
- Mountside Electrical Ltd
Mountside Electrical Ltd
- Company number
- 16981837
- Incorporated
- 22 Jan 2026
- Registered office
- 47 Mountside, Guildford, GU2 4JD
- Nature of business
- Electrical installation
Mountside Electrical Ltd is a newly incorporated private limited company registered in Guildford, company number 16981837, one of 74 electrical contractors in Guildford. Its next accounts are due at Companies House on 22 October 2027, and its first CT600 is due at HMRC on 21 January 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 Mountside Electrical Ltd is registered
The registered office is in Guildford (GU2), in the Guildford local authority area, South East. Show GU2 4JD on a map.
Other trade companies in GU2
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- Ykr LtdFinishing trades
- McLeaning Company LtdCleaning companies
- BC Plastering (Surrey) LtdPlasterers
- Dust to Diamonds LtdCleaning companies
- Oriolus Developments LtdProperty developers
- Ri Collison LimitedMachinery repair and installation
- Apex Climate Group LtdElectricians
What happens if Mountside Electrical 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 22 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Oct 2027 to 22 Nov 2027 | £150 |
| 1 to 3 months late | 23 Nov 2027 to 22 Jan 2028 | £375 |
| 3 to 6 months late | 23 Jan 2028 to 22 Apr 2028 | £750 |
| More than 6 months late | From 23 Apr 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
- 16981837
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 January 2026
- Registered office
- 47 Mountside, Guildford, GU2 4JD
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
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 Guildford
Other active electrical contractors registered in Guildford.
- Onecall Solutions Limited2007
- Powerback Ltd2009
- Powerup Events Services Limited2017
- R Hurst Electrical Limited2023
- Rock Solid Property Services Limited2018
- Rydes Hill Electrical Limited2023
- Securta Ltd2025
- Snare Digital Limited2024
All electrical contractors in Guildford · All trades in Guildford · Electricians across the UK
Frequently asked questions
When are Mountside Electrical Ltd's accounts due?
Mountside Electrical Ltd's next accounts are due at Companies House by 22 October 2027 (in 374 days), covering the period to 31 January 2027.
When is Mountside Electrical 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 21 January 2027, due by 21 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mountside Electrical Ltd still trading?
Mountside Electrical 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 Mountside Electrical Ltd do?
Mountside Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is Mountside Electrical Ltd?
Mountside Electrical Ltd was incorporated on 22 January 2026, less than a year ago.
What is the penalty if Mountside Electrical 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 Mountside Electrical 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.