- Companies
- Electricians
- London
- Tysim Ltd
Tysim Ltd
- Company number
- 14438718
- Incorporated
- 24 Oct 20223 years trading
- Registered office
- C/O Sedulo London Office 605, Albert House, 256-260 Old Street, London, EC1V 9DD
- Nature of business
- Electrical installation
Tysim Ltd is a 3-year-old private limited company registered in London, company number 14438718, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £7,523 (-48.4%) on the year before, to £8,010.
- Current assets of £9,453 against £11K owed within a year: 0.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £8,010 | £507 | £9,453 | £11K | 0 |
| 31 Oct 2024 | £16K | £1,541 | £1,541 | £2,503 | 0 |
| 31 Oct 2023 | -£1,442 | £25 | £3,944 | £22K | 0 |
Where Tysim Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 9DD on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Also registered at this address
2 other companies use the same registered office as Tysim Ltd.
- Double Gold Enterprises LimitedBuilders
- East London Heating LimitedPlumbers and heating engineers
What happens if Tysim 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 14438718
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 October 2022 (3 years ago)
- Registered office
- C/O Sedulo London Office 605, Albert House, 256-260 Old Street, London, EC1V 9DD
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 16 October 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 London
Other active electrical contractors registered in London.
- U9 Electrical Contractors Ltd2018
- Ubuntu Energy Solutions Limited2026
- Ujjiv Tech Ltd2026
- UK Ceiling Fans Ltd2026
- UK Cyber Incident Response Ltd2026
- UK Electrical & Building Services Ltd2025
- UK Electrical and Mechanical Services Ltd2025
- UK PG Limited2018
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Tysim Ltd's accounts due?
Tysim Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Tysim Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Tysim Ltd still trading?
Tysim 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 Tysim Ltd do?
Tysim Ltd is registered under Electrical installation (SIC 43210).
How old is Tysim Ltd?
Tysim Ltd was incorporated on 24 October 2022, 3 years ago.
What is the penalty if Tysim 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 Tysim 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.