- Companies
- Machinery repair and installation
- Harlow
- JSJ Plant Ltd
JSJ Plant Ltd
- Company number
- 16972615
- Incorporated
- 19 Jan 2026
- Registered office
- 29 Coalport Close, Harlow, CM17 9QA
- Nature of business
- Repair of machinery; Repair of other equipment
JSJ Plant Ltd is a newly incorporated private limited company registered in Harlow, company number 16972615, one of 45 machinery repair and installation companies in Harlow. Its next accounts are due at Companies House on 19 October 2027, and its first CT600 is due at HMRC on 18 January 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 JSJ Plant Ltd is registered
The registered office is in Harlow (CM17), in the Harlow local authority area, East of England. Show CM17 9QA on a map.
Other trade companies in CM17
- Ella's Team Home Improvement LtdLandscapers and gardeners
- Page & Co Construction LimitedBuilders
- Woodside Contracting LimitedProperty developers
- RBPG Response LimitedInstallers
- Black Eagle Mobile Tyres LtdMotor traders
- Prime Roofing & Building LtdRoofers
- Clinto Properties LtdProperty developers
- Om Electrics LtdElectricians
What happens if JSJ Plant 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 19 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Oct 2027 to 19 Nov 2027 | £150 |
| 1 to 3 months late | 20 Nov 2027 to 19 Jan 2028 | £375 |
| 3 to 6 months late | 20 Jan 2028 to 19 Apr 2028 | £750 |
| More than 6 months late | From 20 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16972615
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 January 2026
- Registered office
- 29 Coalport Close, Harlow, CM17 9QA
- Nature of business
- Repair of machinery (SIC 33120)
Repair of other equipment (SIC 33190) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Harlow
Other active machinery repair and installation companies registered in Harlow.
- Jtech Irepair Limited2021
- Kesh Integrated Services Ltd.2014
- Laser CNC Ltd2019
- London Integrated Forklift Trucks Limited2006
- M.L Steel Fabrication Ltd2026
- McVicar Aviation Limited2022
- Ornan Elevatexpress Ltd2026
- P and L Vacuums Ltd2019
All machinery repair and installation companies in Harlow · All trades in Harlow · Machinery repair and installation across the UK
Frequently asked questions
When are JSJ Plant Ltd's accounts due?
JSJ Plant Ltd's next accounts are due at Companies House by 19 October 2027 (in 371 days), covering the period to 31 January 2027.
When is JSJ Plant 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 18 January 2027, due by 18 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is JSJ Plant Ltd still trading?
JSJ Plant 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 JSJ Plant Ltd do?
JSJ Plant Ltd is registered under Repair of machinery (SIC 33120); Repair of other equipment (SIC 33190).
How old is JSJ Plant Ltd?
JSJ Plant Ltd was incorporated on 19 January 2026, less than a year ago.
What is the penalty if JSJ Plant 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 JSJ Plant 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.