- Companies
- Electricians
- London
- Tronicon Ltd
Tronicon Ltd
- Company number
- 12474299
- Incorporated
- 20 Feb 20206 years trading
- Registered office
- 220C Blythe Road, London, W14 0HH
- Nature of business
- Electrical installation; Retail sale of computers, peripheral units and software in specialised stores; Other retail sale not in stores, stalls or markets; Management consultancy activities other than financial management
Tronicon Ltd is a 6-year-old private limited company registered in London, company number 12474299, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £1,032 (+106.8%) on the year before, to £66.
- Current assets of £999 against £933 owed within a year: 1.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £66 | £13 | £999 | £933 | 2 |
| 29 Feb 2024 | -£966 | £8 | £8 | £974 | 2 |
| 28 Feb 2023 | £417 | £2,836 | £2,836 | 3 | |
| 28 Feb 2022 | £1,069 | £6,995 | £6,995 | 3 | |
| 28 Feb 2021 | £219 | £18K | £18K | 2 |
Where Tronicon Ltd is registered
The registered office is in London (W14), in the Hammersmith and Fulham local authority area, London. Show W14 0HH on a map.
Other trade companies in W14
- Texanous LtdRepair services
- Gloz Services LtdCleaning companies
- D&R Property Development LtdProperty developers
- Vantrex Core LtdSpecialist contractors
- Ayub Auto LtdMechanics and garages
- Alecho Faith Company LimitedMechanics and garages
- Hof Management Services LtdFinishing trades
- Cleanerlab LimitedCleaning companies
Also registered at this address
6 other companies use the same registered office as Tronicon Ltd.
- Hemaju Residential & Commercial Investments LtdFinishing trades
- Huskar LtdProperty developers
- Mdirect LimitedMachinery repair and installation
- Nordicalutimber.Co.UK LtdFinishing trades
- Stard Group LtdSpecialist contractors
- Universum Construction LtdBuilders
What happens if Tronicon 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 12474299
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 February 2020 (6 years ago)
- Registered office
- 220C Blythe Road, London, W14 0HH
- Nature of business
- Electrical installation (SIC 43210)
Retail sale of computers, peripheral units and software in specialised stores (SIC 47410)
Other retail sale not in stores, stalls or markets (SIC 47990)
Management consultancy activities other than financial management (SIC 70229) - Year end
- 29 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 19 February 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.
- True Maintenance Services Ltd2017
- Truecraft Property Developments Ltd2026
- Truefix Electrical & Security Systems Ltd2021
- Truefix Electrical Ltd2026
- Truespark Electrics Ltd2024
- Truestate Systems Ltd2023
- Trueverge Smart Solutions Ltd2026
- Truewatt Ltd2026
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Tronicon Ltd's accounts due?
Tronicon Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Tronicon Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Tronicon Ltd still trading?
Tronicon 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 Tronicon Ltd do?
Tronicon Ltd is registered under Electrical installation (SIC 43210); Retail sale of computers, peripheral units and software in specialised stores (SIC 47410); Other retail sale not in stores, stalls or markets (SIC 47990); Management consultancy activities other than financial management (SIC 70229).
How old is Tronicon Ltd?
Tronicon Ltd was incorporated on 20 February 2020, 6 years ago.
What is the penalty if Tronicon 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 Tronicon 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.