- Companies
- Electricians
- Shaftesbury
- JMK Building Contractors Ltd
JMK Building Contractors Ltd
- Company number
- 17180830
- Incorporated
- 26 Apr 2026
- Registered office
- 17 Wildflower Lane, Shaftesbury, SP7 8UA
- Nature of business
- Electrical installation; Plastering; Joinery installation; Floor and wall covering
JMK Building Contractors Ltd is a newly incorporated private limited company registered in Shaftesbury, company number 17180830, one of 14 electrical contractors in Shaftesbury. Its next accounts are due at Companies House on 26 January 2028, and its first CT600 is due at HMRC on 25 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.
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Where JMK Building Contractors Ltd is registered
The registered office is in Shaftesbury (SP7), in the Dorset local authority area, South West. Show SP7 8UA on a map.
Other trade companies in SP7
- Stuart Drake LtdMachinery repair and installation
- Inzz Developments LtdProperty developers
- Forum Refurbs LtdFinishing trades
- Adamkatyroofing LtdRoofers
- Peter Port Upholstery LtdRepair services
- LKW Heating & Plumbing LimitedPlumbers and heating engineers
- Blackmore Vale Thatching LtdRoofers
- Ultimate Flame Ltd LtdPlumbers and heating engineers
What happens if JMK Building Contractors 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 26 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Jan 2028 to 26 Feb 2028 | £150 |
| 1 to 3 months late | 27 Feb 2028 to 26 Apr 2028 | £375 |
| 3 to 6 months late | 27 Apr 2028 to 26 Jul 2028 | £750 |
| More than 6 months late | From 27 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
- 17180830
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 April 2026
- Registered office
- 17 Wildflower Lane, Shaftesbury, SP7 8UA
- Nature of business
- Electrical installation (SIC 43210)
Plastering (SIC 43310)
Joinery installation (SIC 43320)
Floor and wall covering (SIC 43330) - 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 Shaftesbury
Other active electrical contractors registered in Shaftesbury.
- NDM Electrical Contractors Ltd2019
- Pink Electrical Ltd2025
- Rudling & Francis Electrical Ltd2022
- Solar Repair Centre Ltd2023
- Solar Technicians Ltd2025
- Alan Collins Limited2015
- CJ Pym Electrical Ltd2020
- Clifford T Shean Limited2003
All electrical contractors in Shaftesbury · All trades in Shaftesbury · Electricians across the UK
Frequently asked questions
When are JMK Building Contractors Ltd's accounts due?
JMK Building Contractors Ltd's next accounts are due at Companies House by 26 January 2028 (in 470 days), covering the period to 30 April 2027.
When is JMK Building Contractors Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 25 April 2027, due by 25 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 JMK Building Contractors Ltd still trading?
JMK Building Contractors 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 JMK Building Contractors Ltd do?
JMK Building Contractors Ltd is registered under Electrical installation (SIC 43210); Plastering (SIC 43310); Joinery installation (SIC 43320); Floor and wall covering (SIC 43330).
How old is JMK Building Contractors Ltd?
JMK Building Contractors Ltd was incorporated on 26 April 2026, less than a year ago.
What is the penalty if JMK Building Contractors 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 JMK Building Contractors 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.