- Companies
- Machinery repair and installation
- King's Lynn
- SJT Plant Services Limited
SJT Plant Services Limited
- Company number
- 14785881
- Incorporated
- 6 Apr 20233 years trading
- Registered office
- 48 King Street, King's Lynn, PE30 1HE
- Nature of business
- Repair of machinery
SJT Plant Services Limited is a 3-year-old private limited company registered in King's Lynn, company number 14785881, one of 40 machinery repair and installation companies in King's Lynn. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for SJT Plant Services LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 up £18K (+45.2%) on the year before, to £57K.
- Current assets of £38K against £30K owed within a year: 1.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £57K | £38K | £30K | 0 | |
| 31 May 2025 | £39K | £93K | £106K | 0 | |
| 31 May 2024 | £100 |
Where SJT Plant Services Limited is registered
The registered office is in King's Lynn (PE30), in the King's Lynn and West Norfolk local authority area, East of England. Show PE30 1HE on a map.
Other trade companies in PE30
- Fishers Building Services LtdBuilders
- Meadowfields Holdings LimitedBuilders
- Gotsell Plastering & Property LimitedPlasterers
- Meadowvale Holdings LimitedBuilders
- K D Motor Traders LtdMotor traders
- Squeegeeright LimitedCleaning companies
- LS Building Developments LimitedBuilders
- JC Labour LtdInstallers
Shared registered office
54 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 SJT Plant Services 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 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 14785881
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 April 2023 (3 years ago)
- Registered office
- 48 King Street, King's Lynn, PE30 1HE
- Nature of business
- Repair of machinery (SIC 33120)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 5 April 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 King's Lynn
Other active machinery repair and installation companies registered in King's Lynn.
- Springbok Agri Ltd2026
- T Richardson Engineering Ltd2017
- Technichol Engineering Ltd2025
- Tek Fitness Limited2000
- Thompson Forktruck Services Limited2009
- Vulcatech Belting Ltd2003
- W.M.Guy Electrical Services Ltd2022
- Ashdown Fabrications Limited2023
All machinery repair and installation companies in King's Lynn · All trades in King's Lynn · Machinery repair and installation across the UK
Frequently asked questions
When are SJT Plant Services Limited's accounts due?
SJT Plant Services Limited's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is SJT Plant Services Limited's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is SJT Plant Services Limited still trading?
SJT Plant Services 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 SJT Plant Services Limited do?
SJT Plant Services Limited is registered under Repair of machinery (SIC 33120).
How old is SJT Plant Services Limited?
SJT Plant Services Limited was incorporated on 6 April 2023, 3 years ago.
What is the penalty if SJT Plant Services 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 SJT Plant Services 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.