- Companies
- Finishing trades
- Southampton
- S & J Building Services (UK) Limited
S & J Building Services (UK) Limited
- Company number
- 05066573
- Incorporated
- 8 Mar 200422 years trading
- Registered office
- 407 Solent Business Centre, Millbrook Road West, Southampton, SO15 0HW
- Nature of business
- Other building completion and finishing
S & J Building Services (UK) Limited is a 22-year-old private limited company registered in Southampton, company number 05066573, one of 181 building finishing companies in Southampton. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £73K (-38.2%) on the year before, to £118K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £197K against £92K owed within a year: 2.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £118K | £95K | £197K | £92K | 0 |
| 30 Sep 2024 | £191K | £157K | £359K | £188K | 9 |
| 31 Mar 2023 | £476K | £373K | £737K | £298K | 9 |
| 31 Mar 2022 | £615K | £522K | £808K | £222K | 10 |
| 31 Mar 2021 | £1M | £904K | £1.4M | £419K | 11 |
| 31 Mar 2020 | £1.3M | £1.1M | £2.3M | £1M | 12 |
| 31 Mar 2019 | £1.2M | £860K | £2.6M | £1.4M | 9 |
| 31 Mar 2018 | £873K | £876K | £1.9M | £1.1M | 10 |
| 31 Mar 2017 | £686K | £512K | £1.6M | £977K | 8 |
| 31 Mar 2016 | £688K | £682K | £1.4M | £742K |
Public contracts won
S & J Building Services (UK) Limited has 4 public sector contract awards on record; the ones with their own published value total £81K, from 2018 to 2022. Source: Contracts Finder and Find a Tender award notices. For 2 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. 1 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Winchester City Council3 awards
- Hampshire County Council1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Winchester City Council | Provision of Works Under Disabled Facilities Grants | Ceiling, not shown | 3 Aug 2022 |
| Hampshire County Council | Framework Agreement for the Provision of Works under Disabled Facilities Grants - AWARD | Ceiling, not shown | 4 Sep 2019 |
| Winchester City Council | Fascia and Gutter replacement Firmstone Road | £41K | 29 Jul 2019 |
| Winchester City Council | Fascia, Soffit and Gutter Replacemet | £40K | 30 May 2018 |
Where S & J Building Services (UK) Limited is registered
The registered office is in Southampton (SO15), in the Southampton local authority area, South East. Show SO15 0HW on a map.
Other trade companies in SO15
- Enginetek Marine LimitedMachinery repair and installation
- The DPF Guy LtdMechanics and garages
- Redbridge Accident Repair LtdMechanics and garages
- Mahakali Engineer Services LtdMachinery repair and installation
- Genuinecarpartsuk LtdMotor traders
- MK Cars & Parts LtdMotor traders
- SMS Building LimitedFinishing trades
- Sonridge Building Group LtdCivil engineering
What happens if S & J Building Services (UK) 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 05066573
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 March 2004 (22 years ago)
- Registered office
- 407 Solent Business Centre, Millbrook Road West, Southampton, SO15 0HW
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 24 February 2026
- Charges (mortgages)
- 0 outstanding of 2 registered
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Southampton
Other active building finishing companies registered in Southampton.
- S&D Brickwork Ltd2022
- Scott Beck Paving & Landscapes Limited2016
- Seven Contractors Limited2019
- Silverwing Renovations Ltd2025
- Site Solutions Specialist Contractors Limited2019
- SK Property Services 01 Ltd2021
- SM Garden&Driveways Ltd2026
- SMH Build Ltd2026
All building finishing companies in Southampton · All trades in Southampton · Finishing trades across the UK
Frequently asked questions
When are S & J Building Services (UK) Limited's accounts due?
S & J Building Services (UK) Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is S & J Building Services (UK) Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is S & J Building Services (UK) Limited still trading?
S & J Building Services (UK) 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 S & J Building Services (UK) Limited do?
S & J Building Services (UK) Limited is registered under Other building completion and finishing (SIC 43390).
How old is S & J Building Services (UK) Limited?
S & J Building Services (UK) Limited was incorporated on 8 March 2004, 22 years ago.
Has S & J Building Services (UK) Limited won public sector contracts?
Yes. S & J Building Services (UK) Limited has 4 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £81K), most recently from Winchester City Council.
What is the penalty if S & J Building Services (UK) 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 S & J Building Services (UK) 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.