- Companies
- Civil engineering
- Caerphilly
- M & M Concrete Reinforcement Ltd
M & M Concrete Reinforcement Ltd
- Company number
- 11632213
- Incorporated
- 19 Oct 20187 years trading
- Registered office
- The Grove Tyn Y Wern Terrace, Trethomas, Caerphilly, CF83 8FP
- Nature of business
- Construction of other civil engineering projects n.e.c.
M & M Concrete Reinforcement Ltd is a 7-year-old private limited company registered in Caerphilly, company number 11632213, one of 16 civil engineering contractors in Caerphilly. 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 up £1M (+590.6%) on the year before, to £1.2M.
- Net assets rose in 6 of 6 year-on-year comparisons on record.
- Current assets of £2.5M against £1.5M owed within a year: 1.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £1.2M | £2M | £2.5M | £1.5M | 0 |
| 31 Oct 2024 | £173K | £644K | £569K | 2 | |
| 31 Oct 2023 | £31K | £180K | £137K | 1 | |
| 31 Oct 2022 | £24K | £48K | £11K | 1 | |
| 31 Oct 2021 | £16K | £54K | £7,391 | 1 | |
| 31 Oct 2020 | £6,643 | £58K | £32K | 1 | |
| 31 Oct 2019 | -£2,007 | £26K | £26K | 1 |
Where M & M Concrete Reinforcement Ltd is registered
The registered office is in Caerphilly (CF83), in the Caerphilly local authority area, Wales. Show CF83 8FP on a map.
Other trade companies in CF83
- Owen PM LimitedBuilders
- Ecamscymru LtdMachinery repair and installation
- Bee Green Plumbing Solutions LtdPlumbers and heating engineers
- Tyga Constuction LimitedBuilders
- Grip Rip MX LtdMotor traders
- Da' Grave LtdRepair services
- First Class Cleaning Solutions LtdCleaning companies
- Vehicle Accident Repairs Solutions LtdMotor traders
What happens if M & M Concrete Reinforcement 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
- 11632213
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 October 2018 (7 years ago)
- Registered office
- The Grove Tyn Y Wern Terrace, Trethomas, Caerphilly, CF83 8FP
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 11 November 2025
- Previous names
- TSM Civils Limited (until 14 Jan 2019)
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Caerphilly
Other active civil engineering contractors registered in Caerphilly.
- MJ Management Services Ltd2018
- Ram Plant Ltd2022
- RTR Consultancy Services Limited2021
- Ac Easy Ltd2016
- Ateb Groundworks Limited2024
- Barryboy Limited2016
- Beton Bauen Limited2006
- Buln Ltd2025
All civil engineering contractors in Caerphilly · All trades in Caerphilly · Civil engineering across the UK
Frequently asked questions
When are M & M Concrete Reinforcement Ltd's accounts due?
M & M Concrete Reinforcement 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 M & M Concrete Reinforcement 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 M & M Concrete Reinforcement Ltd still trading?
M & M Concrete Reinforcement 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 M & M Concrete Reinforcement Ltd do?
M & M Concrete Reinforcement Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is M & M Concrete Reinforcement Ltd?
M & M Concrete Reinforcement Ltd was incorporated on 19 October 2018, 7 years ago.
What is the penalty if M & M Concrete Reinforcement 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 M & M Concrete Reinforcement 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.