- Companies
- Electricians
- Rochester
- Thomasson HV Limited
Thomasson HV Limited
- Company number
- 17014309
- Incorporated
- 5 Feb 2026
- Registered office
- 35 Reed Street, Cliffe, Rochester, ME3 7UL
- Nature of business
- Electrical installation; Other specialised construction activities n.e.c.
Thomasson HV Limited is a newly incorporated private limited company registered in Rochester, company number 17014309, one of 147 electrical contractors in Rochester. Its next accounts are due at Companies House on 5 November 2027, and its first CT600 is due at HMRC on 4 February 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.
Is this your company?
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Where Thomasson HV Limited is registered
The registered office is in Rochester (ME3), in the Medway local authority area, South East. Show ME3 7UL on a map.
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What happens if Thomasson HV 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 5 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Nov 2027 to 5 Dec 2027 | £150 |
| 1 to 3 months late | 6 Dec 2027 to 5 Feb 2028 | £375 |
| 3 to 6 months late | 6 Feb 2028 to 5 May 2028 | £750 |
| More than 6 months late | From 6 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 17014309
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 February 2026
- Registered office
- 35 Reed Street, Cliffe, Rochester, ME3 7UL
- Nature of business
- Electrical installation (SIC 43210)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 28 February (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 Rochester
Other active electrical contractors registered in Rochester.
- TJCR Electricals Ltd2025
- Trident M&E Ltd2025
- Trifectafix Maintenance Ltd2024
- United Electrics Ltd2017
- W M Electrical Services Limited2003
- Wattsight Ltd2025
- Willoughby Electrical Ltd2018
- Yts Electrical Ltd2016
All electrical contractors in Rochester · All trades in Rochester · Electricians across the UK
Frequently asked questions
When are Thomasson HV Limited's accounts due?
Thomasson HV Limited's next accounts are due at Companies House by 5 November 2027 (in 388 days), covering the period to 28 February 2027.
When is Thomasson HV Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 4 February 2027, due by 4 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Thomasson HV Limited still trading?
Thomasson HV 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 Thomasson HV Limited do?
Thomasson HV Limited is registered under Electrical installation (SIC 43210); Other specialised construction activities n.e.c. (SIC 43999).
How old is Thomasson HV Limited?
Thomasson HV Limited was incorporated on 5 February 2026, less than a year ago.
What is the penalty if Thomasson HV 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 Thomasson HV 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.