- Companies
- Electricians
- Acton
- Protek Heating & Maintenance Limited
Protek Heating & Maintenance Limited
- Company number
- 17189563
- Incorporated
- 29 Apr 2026
- Registered office
- 54 First Avenue, Acton, London, W3 7JW
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation
Protek Heating & Maintenance Limited is a newly incorporated private limited company registered in Acton, company number 17189563, one of 7 electrical contractors in Acton. Its next accounts are due at Companies House on 29 January 2028, and its first CT600 is due at HMRC on 28 April 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 Protek Heating & Maintenance Limited is registered
The registered office is in Acton (W3), in the Ealing local authority area, London. Show W3 7JW on a map.
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What happens if Protek Heating & Maintenance 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 29 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Jan 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 29 Apr 2028 | £375 |
| 3 to 6 months late | 30 Apr 2028 to 29 Jul 2028 | £750 |
| More than 6 months late | From 30 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 17189563
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 April 2026
- Registered office
- 54 First Avenue, Acton, London, W3 7JW
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 30 April (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 Acton
Other active electrical contractors registered in Acton.
- Surrey Construction Management Ltd2017
- Treestone Limited1997
- Crolec Limited2003
- Electric Maintenance City Limited2018
- McAleer Electrical Ltd2024
- NW7 Electrical Services Ltd2012
All electrical contractors in Acton · All trades in Acton · Electricians across the UK
Frequently asked questions
When are Protek Heating & Maintenance Limited's accounts due?
Protek Heating & Maintenance Limited's next accounts are due at Companies House by 29 January 2028 (in 473 days), covering the period to 30 April 2027.
When is Protek Heating & Maintenance 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 28 April 2027, due by 28 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Protek Heating & Maintenance Limited still trading?
Protek Heating & Maintenance 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 Protek Heating & Maintenance Limited do?
Protek Heating & Maintenance Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Protek Heating & Maintenance Limited?
Protek Heating & Maintenance Limited was incorporated on 29 April 2026, less than a year ago.
What is the penalty if Protek Heating & Maintenance 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 Protek Heating & Maintenance 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.