- Companies
- Electricians
- London
- Trembit UK Ltd
Trembit UK Ltd
- Company number
- 17400208
- Incorporated
- 14 Aug 2026
- Registered office
- 41 Devonshire Street, Ground Floor, London, W1G 7AJ
- Nature of business
- Electrical installation; Business and domestic software development; Information technology consultancy activities; Other information technology service activities
Trembit UK Ltd is a newly incorporated private limited company registered in London, company number 17400208, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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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Who runs and owns Trembit UK Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| I*** B*** | Director | Aug 2026 |
Person with significant control
Where Trembit UK Ltd is registered
The registered office is in London (W1G), in the Westminster local authority area, London. Show W1G 7AJ on a map.
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Also registered at this address
20 other companies use the same registered office as Trembit UK Ltd.
- BTW Automotive LtdMotor traders
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What happens if Trembit UK 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17400208
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 August 2026
- Registered office
- 41 Devonshire Street, Ground Floor, London, W1G 7AJ
- Nature of business
- Electrical installation (SIC 43210)
Business and domestic software development (SIC 62012)
Information technology consultancy activities (SIC 62020)
Other information technology service activities (SIC 62090) - Year end
- 31 March (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 London
Other active electrical contractors registered in London.
- Trident Audio Visual Solutions Ltd2026
- Trident Electrical Group Ltd2021
- Trip Electricz Ltd2024
- Triple A Lighting Ltd2021
- Triple S Electrical Ltd2024
- TRK Solutions Ltd2020
- Tronicon Ltd2020
- True Maintenance Services Ltd2017
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Trembit UK Ltd's accounts due?
Trembit UK Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Trembit UK Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Trembit UK Ltd still trading?
Trembit UK 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 Trembit UK Ltd do?
Trembit UK Ltd is registered under Electrical installation (SIC 43210); Business and domestic software development (SIC 62012); Information technology consultancy activities (SIC 62020); Other information technology service activities (SIC 62090).
How old is Trembit UK Ltd?
Trembit UK Ltd was incorporated on 14 August 2026, less than a year ago.
Who runs Trembit UK Ltd?
Trembit UK Ltd has 1 active director, the longest-serving appointed in Aug 2026. Their names and service addresses are on the Companies House register.
Who owns Trembit UK Ltd?
One person or company has significant control of Trembit UK Ltd: Trembit LLP (owns 75% or more of the shares).
What is the penalty if Trembit UK 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 Trembit UK 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.