- Companies
- Machinery repair and installation
- Middlesbrough
- SLS Technical Services Limited
Company profile · Machinery repair and installation
SLS Technical Services Limited
SLS Technical Services Limited is a 19-year-old private limited company registered in Middlesbrough, company number 06189611, one of 91 machinery repair and installation companies in Middlesbrough. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
SLS Technical Services Limited over the years
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 £3,684 (-4.5%) on the year before, to £78K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £92K against £17K owed within a year: 5.5 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £78K | £92K | £17K | 2 | |
| 31 Mar 2025 | £82K | £95K | £16K | 2 | |
| 31 Mar 2024 | £88K | £101K | £15K | 2 | |
| 31 Mar 2023 | £99K | £111K | £14K | 2 | |
| 31 Mar 2022 | £103K | £109K | £8,534 | 2 | |
| 31 Mar 2021 | £116K | £123K | £8,610 | 2 | |
| 31 Mar 2020 | £164K | £172K | £12K | 2 | |
| 31 Mar 2019 | £160K | £173K | £15K | ||
| 31 Mar 2018 | £151K | £157K | £9,024 | ||
| 31 Mar 2017 | £162K | £178K | £178K | £17K |
Where SLS Technical Services Limited is registered
The registered office is in Middlesbrough (TS7), in the Middlesbrough local authority area, North East. Show TS7 8RG on a map.
Other trade companies in TS7
- A P Site Projects LtdInstallers
- J&B Auto Sales LtdMotor traders
- Ac Construction (Ne) LimitedBuilders
- MR T Building Wroks LimitedJoiners and carpenters
- Tudorr LtdCleaning companies
- Jordanturnbullservices LtdProperty developers
- FBW Developments LtdBuilders
- Burwood Ne LtdBuilders
What happens if SLS Technical 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 06189611
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 March 2007 (19 years ago)
- Registered office
- 1 ST Cuthbert Avenue, Marton, Middlesbrough, Cleveland, TS7 8RG
- Nature of business
- Repair and maintenance of other transport equipment n.e.c. (SIC 33170)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 28 March 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 Middlesbrough
Other active machinery repair and installation companies registered in Middlesbrough.
- Smiths Systems Ltd2025
- Stockton Electrical Services Limited2008
- Supreme Garage Doors Limited2017
- T.B.Blades. Ltd2026
- Techfinity4U Limited2019
- Tgaffneltd Ltd2025
- Thibex Auto Limited2025
- TTS Engineering Ltd2005
All machinery repair and installation companies in Middlesbrough · All trades in Middlesbrough · Machinery repair and installation across the UK
Frequently asked questions
When are SLS Technical Services Limited's accounts due?
SLS Technical Services Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is SLS Technical Services Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is SLS Technical Services Limited still trading?
SLS Technical 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 SLS Technical Services Limited do?
SLS Technical Services Limited is registered under Repair and maintenance of other transport equipment n.e.c. (SIC 33170).
How old is SLS Technical Services Limited?
SLS Technical Services Limited was incorporated on 28 March 2007, 19 years ago.
What is the penalty if SLS Technical 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 SLS Technical Services Limited on Companies House for filed documents, officers and the full history.
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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.