- Companies
- Electricians
- Canvey Island
- Promosol Limited
Promosol Limited
- Company number
- 06576290
- Incorporated
- 25 Apr 200818 years trading
- Registered office
- c/o MSB & Co, 14 Furtherwick Road, Canvey Island, Essex, SS8 7AE
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation
Promosol Limited is a 18-year-old private limited company registered in Canvey Island, company number 06576290, one of 46 electrical contractors in Canvey Island. 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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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 £389K (+28%) on the year before, to £1.8M.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £2M against £380K owed within a year: 5.2 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £1.8M | £833K | £2M | £380K | 3 |
| 30 Apr 2024 | £1.4M | £677K | £1.5M | £254K | 3 |
| 30 Apr 2023 | £1.1M | £491K | £1.2M | £221K | 3 |
| 30 Apr 2022 | £791K | £233K | £958K | £200K | 3 |
| 30 Apr 2021 | £635K | £73K | £752K | £158K | 2 |
| 30 Apr 2020 | £570K | £313K | £643K | £119K | 2 |
| 30 Apr 2019 | £376K | £344K | £438K | £98K | |
| 30 Apr 2018 | £352K | £319K | £437K | £117K | |
| 30 Apr 2017 | £239K | £213K | £297K | £95K | |
| 30 Apr 2016 | £145K | £181K | £80K |
Where Promosol Limited is registered
The registered office is in Canvey Island (SS8), in the Castle Point local authority area, East of England. Show SS8 7AE on a map.
Other trade companies in SS8
- Beckett Contracting LimitedBuilders
- Haara Motors LtdMotor traders
- First Response Aviation Group LtdMachinery repair and installation
- GN Motorz LtdMotor traders
- Sure Compliance LtdInstallers
- Sorspeed Spediton LtdPlumbers and heating engineers
- RH Mechanical LtdPlumbers and heating engineers
- I-Dent-I-Call Bodyworks LtdMechanics and garages
Shared registered office
35 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Promosol Limited 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
- 06576290
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 April 2008 (18 years ago)
- Registered office
- c/o MSB & Co, 14 Furtherwick Road, Canvey Island, Essex, SS8 7AE
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 25 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 Canvey Island
Other active electrical contractors registered in Canvey Island.
- Rex Electrical (Essex) Limited2011
- RKD Maintenance Limited2022
- S Ford Electrical Ltd2022
- Set Mechanical & Electrical Services Ltd2021
- SGS Electrical Ltd2018
- Shaves Building & Electrical Services Ltd2021
- Signalcom Limited2007
- SP Services & Consultancy Ltd2025
All electrical contractors in Canvey Island · All trades in Canvey Island · Electricians across the UK
Frequently asked questions
When are Promosol Limited's accounts due?
Promosol Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Promosol Limited'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 Promosol Limited still trading?
Promosol Limited 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 Promosol Limited do?
Promosol Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Promosol Limited?
Promosol Limited was incorporated on 25 April 2008, 18 years ago.
What is the penalty if Promosol Limited 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 Promosol Limited 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.