- Companies
- Builders
- Southampton
- S&M Concreting Ltd
S&M Concreting Ltd
- Company number
- 12275814
- Incorporated
- 22 Oct 20196 years trading
- Registered office
- 4 Tosson Close, Southampton, SO16 4AF
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
S&M Concreting Ltd is a 6-year-old private limited company registered in Southampton, company number 12275814, one of 491 building contractors in Southampton. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 unchanged on the year before, at £102K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £108K against £18K owed within a year: 6.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £102K | £108K | £18K | 1 | |
| 31 Oct 2024 | £102K | £108K | £18K | 1 | |
| 31 Oct 2023 | £117K | £211K | £72K | 1 | |
| 31 Oct 2022 | £682K | £738K | £55K | 1 | |
| 31 Oct 2021 | £504K | £594K | £89K | 1 | |
| 24 Oct 2020 | £240K | £319K | £80K | 2 |
Where S&M Concreting Ltd is registered
The registered office is in Southampton (SO16), in the Southampton local authority area, South East. Show SO16 4AF on a map.
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- Bam M.E.P LtdPlumbers and heating engineers
- PPK Carpentry LimitedJoiners and carpenters
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- Pathway Cars UK LtdMotor traders
What happens if S&M Concreting 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 12275814
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 October 2019 (6 years ago)
- Registered office
- 4 Tosson Close, Southampton, SO16 4AF
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 9 February 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Southampton
Other active building contractors registered in Southampton.
- Salpra Ltd2025
- Sasuche Ltd2022
- Saxonpr Limited2025
- SBS Building and Decorating Services Ltd2025
- Sebo Ltd2015
- Semas Solutions Ltd2024
- SGC Projects Limited2003
- Shark Design & Build Ltd2025
All building contractors in Southampton · All trades in Southampton · Builders across the UK
Frequently asked questions
When are S&M Concreting Ltd's accounts due?
S&M Concreting Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is S&M Concreting Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is S&M Concreting Ltd still trading?
S&M Concreting 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 S&M Concreting Ltd do?
S&M Concreting Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is S&M Concreting Ltd?
S&M Concreting Ltd was incorporated on 22 October 2019, 6 years ago.
What is the penalty if S&M Concreting 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 S&M Concreting 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.