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- Harmantech Limited
Company profile · Electricians
Harmantech Limited
Harmantech Limited is a 1-year-old private limited company registered in Milton Keynes, company number 16773149, one of 165 electrical contractors in Milton Keynes. Its next accounts are due at Companies House on 8 July 2027, and its first CT600 is due at HMRC on 7 October 2027.
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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Where Harmantech Limited is registered
The registered office is in Milton Keynes (MK19), in the West Northamptonshire local authority area, East Midlands. Show MK19 6HY on a map.
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- Dleeson Builder LtdBuilders
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- Olive Ù Cleans LtdCleaning companies
- Peugeotech LtdMechanics and garages
What happens if Harmantech 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 8 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 9 Jul 2027 to 8 Aug 2027 | £150 |
| 1 to 3 months late | 9 Aug 2027 to 8 Oct 2027 | £375 |
| 3 to 6 months late | 9 Oct 2027 to 8 Jan 2028 | £750 |
| More than 6 months late | From 9 Jan 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
- 16773149
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 October 2025 (1 year ago)
- Registered office
- 44 Springfield Gardens, Deanshanger, Milton Keynes, MK19 6HY
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 October (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 Milton Keynes
Other active electrical contractors registered in Milton Keynes.
- Henriques Electrical & Automation Ltd2026
- Hesuk Limited2025
- Hi Man Ltd2025
- Home Counties Electrical Services Limited2000
- Hurley Electrical Contractors Limited2007
- Ignis Solar Ltd2025
- Infiniti Integration Ltd2019
- Inspec Electrical Contractors Ltd2006
All electrical contractors in Milton Keynes · All trades in Milton Keynes · Electricians across the UK
Frequently asked questions
When are Harmantech Limited's accounts due?
Harmantech Limited's next accounts are due at Companies House by 8 July 2027 (in 269 days), covering the period to 31 October 2026.
When is Harmantech 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 7 October 2026, due by 7 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Harmantech Limited still trading?
Harmantech 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 Harmantech Limited do?
Harmantech Limited is registered under Electrical installation (SIC 43210).
How old is Harmantech Limited?
Harmantech Limited was incorporated on 8 October 2025, 1 year ago.
What is the penalty if Harmantech 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 Harmantech 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.