- Companies
- Machinery repair and installation
- Basildon
- J-Tech Diagnostics Limited
J-Tech Diagnostics Limited
- Company number
- 14573288
- Incorporated
- 5 Jan 20233 years trading
- Registered office
- 4 Capricorn Centre, Cranes Farm Road, Basildon, Essex, SS14 3JJ
- Nature of business
- Repair and maintenance of other transport equipment n.e.c.
J-Tech Diagnostics Limited is a 3-year-old private limited company registered in Basildon, company number 14573288, one of 46 machinery repair and installation companies in Basildon. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £28K (-98.8%) on the year before, to £344.
- Current assets of £57K against £56K owed within a year: 1.0 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £344 | £5,582 | £57K | £56K | 3 |
| 31 Jan 2024 | £28K | £22K | £54K | £23K | 2 |
Where J-Tech Diagnostics Limited is registered
The registered office is in Basildon (SS14), in the Basildon local authority area, East of England. Show SS14 3JJ on a map.
Other trade companies in SS14
- Texaco Essex LtdCleaning companies
- Premier Build Services LimitedFinishing trades
- Justrepairs & Paint LtdMechanics and garages
- Edyghost. LtdBuilders
- MSB Colchester Electrical LimitedElectricians
- Climate One LtdPlumbers and heating engineers
- Elsm LtdElectricians
- Redmarsh Property Maintenance LimitedCleaning companies
Shared registered office
627 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if J-Tech Diagnostics 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 14573288
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 January 2023 (3 years ago)
- Registered office
- 4 Capricorn Centre, Cranes Farm Road, Basildon, Essex, SS14 3JJ
- Nature of business
- Repair and maintenance of other transport equipment n.e.c. (SIC 33170)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 4 January 2026
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 Basildon
Other active machinery repair and installation companies registered in Basildon.
- J.L. Harrison & Son (Air Conditioning) Limited1961
- J.Saviation Limited2026
- JT Security Products Ltd2013
- Lucky Shark Limited2010
- Milts Electrical Limited2013
- Monkey Locks Limited2026
- Nash Electrical Services Ba Limited2019
- Platinum Servicing Limited2023
All machinery repair and installation companies in Basildon · All trades in Basildon · Machinery repair and installation across the UK
Frequently asked questions
When are J-Tech Diagnostics Limited's accounts due?
J-Tech Diagnostics Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is J-Tech Diagnostics Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is J-Tech Diagnostics Limited still trading?
J-Tech Diagnostics 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 J-Tech Diagnostics Limited do?
J-Tech Diagnostics Limited is registered under Repair and maintenance of other transport equipment n.e.c. (SIC 33170).
How old is J-Tech Diagnostics Limited?
J-Tech Diagnostics Limited was incorporated on 5 January 2023, 3 years ago.
What is the penalty if J-Tech Diagnostics 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 J-Tech Diagnostics 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.