- Companies
- Electricians
- Pontypridd
- Electro-Main Services Ltd
Electro-Main Services Ltd
- Company number
- 10374338
- Incorporated
- 14 Sep 201610 years trading
- Registered office
- Unit F, Upper Boat Trading Estate, Pontypridd, CF37 5BP
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation
Electro-Main Services Ltd is a 10-year-old private limited company registered in Pontypridd, company number 10374338, one of 36 electrical contractors in Pontypridd. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 down £34K (-32.8%) on the year before, to £69K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £390K against £315K owed within a year: 1.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £69K | £118K | £390K | £315K | 0 |
| 30 Sep 2024 | £103K | £281K | 10 | ||
| 30 Sep 2023 | £70K | £262K | £245K | 9 | |
| 30 Sep 2022 | £37K | £214K | £79K | 9 | |
| 30 Sep 2021 | £803 | £16K | £96K | £113K | 9 |
| 30 Sep 2020 | -£32K | £11K | £57K | £93K | 10 |
| 29 Sep 2019 | £48K | £108K | £66K | 9 | |
| 29 Sep 2018 | £31K | £31K | £77K | £56K | 6 |
| 30 Sep 2017 | £1 | £1 |
Where Electro-Main Services Ltd is registered
The registered office is in Pontypridd (CF37), in the Rhondda Cynon Taf local authority area, Wales. Show CF37 5BP on a map.
Other trade companies in CF37
- Hamilton Motor Group LtdMotor traders
- Pencoed Building Services LtdSpecialist contractors
- Pyo Property Developments LimitedBuilders
- Great Choice Leisure Vehicles LimitedMotor traders
- C2 Interior Contractors LtdBuilders
- Carpet Mine LtdFinishing trades
- LCH4RP LtdProperty developers
- LCH4Est LtdProperty developers
Also registered at this address
2 other companies use the same registered office as Electro-Main Services Ltd.
- Infinity Smart Homes LimitedElectricians
- LDP Group LtdBuilders
What happens if Electro-Main Services 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 10374338
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 September 2016 (10 years ago)
- Registered office
- Unit F, Upper Boat Trading Estate, Pontypridd, CF37 5BP
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 20 November 2025
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 Pontypridd
Other active electrical contractors registered in Pontypridd.
- Electrotech Electrical Engineering Limited2019
- G & C Electricals Limited2007
- G Comms Electrical Ltd2020
- G Way Solar Panel Services Ltd2026
- GD Davies Electrical Ltd2026
- Infinity Smart Homes Limited2023
- J R Davies Engineering Services Limited2016
- Jenkins Electrical and Renewables Limited2023
All electrical contractors in Pontypridd · All trades in Pontypridd · Electricians across the UK
Frequently asked questions
When are Electro-Main Services Ltd's accounts due?
Electro-Main Services Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Electro-Main Services Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Electro-Main Services Ltd still trading?
Electro-Main Services 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 Electro-Main Services Ltd do?
Electro-Main Services Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Electro-Main Services Ltd?
Electro-Main Services Ltd was incorporated on 14 September 2016, 10 years ago.
What is the penalty if Electro-Main Services 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 Electro-Main Services 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.