- Companies
- Civil engineering
- Silsoe
- M&O Construction & Civil Engineering Ltd
M&O Construction & Civil Engineering Ltd
- Company number
- 07506419
- Incorporated
- 26 Jan 201115 years trading
- Registered office
- 123-125 Capability House, Building 31, Wrest Park, Silsoe, Bedfordshire, MK45 4HR
- Nature of business
- Construction of roads and motorways
M&O Construction & Civil Engineering Ltd is a 15-year-old private limited company registered in Silsoe, company number 07506419, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £696K (+32.4%) on the year before, to £2.8M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £3.5M against £1.5M owed within a year: 2.4 times cover.
- 8 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | £2.8M | £3.1M | £3.5M | £1.5M | 8 |
| 31 Jan 2024 | £2.1M | £1.5M | £2.2M | £596K | 8 |
| 31 Jan 2023 | £2M | £728K | £2.7M | £1.3M | 12 |
| 31 Jan 2022 | £1.5M | £809K | £1.9M | £1M | 6 |
| 31 Jan 2021 | £1.3M | £581K | £2.1M | £1.4M | 16 |
| 31 Jan 2020 | £1.6M | £346K | £2.9M | £1.9M | 22 |
| 31 Jan 2019 | £1.3M | £573K | £1.7M | £851K | 16 |
| 31 Jan 2018 | £1.3M | £353K | £1.7M | £677K | 11 |
| 31 Jan 2017 | £1.3M | £869K | £1.9M | £891K | |
| 31 Jan 2016 | £365K | £92K | £961K | £766K |
Where M&O Construction & Civil Engineering Ltd is registered
The registered office is in Silsoe (MK45), in the Central Bedfordshire local authority area, East of England. Show MK45 4HR on a map.
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What happens if M&O Construction & Civil Engineering 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 07506419
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 January 2011 (15 years ago)
- Registered office
- 123-125 Capability House, Building 31, Wrest Park, Silsoe, Bedfordshire, MK45 4HR
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 7 January 2026
- Previous names
- M&O Builders & Civil Engineering Ltd (until 6 Jun 2017)
M&O Civil Engineering Limited (until 24 May 2017)
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 Silsoe
Other active civil engineering contractors registered in Silsoe.
- CMJ Surveys Ltd2026
- Dockguard Limited1999
All civil engineering contractors in Silsoe · All trades in Silsoe · Civil engineering across the UK
Frequently asked questions
When are M&O Construction & Civil Engineering Ltd's accounts due?
M&O Construction & Civil Engineering Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is M&O Construction & Civil Engineering Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is M&O Construction & Civil Engineering Ltd still trading?
M&O Construction & Civil Engineering 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&O Construction & Civil Engineering Ltd do?
M&O Construction & Civil Engineering Ltd is registered under Construction of roads and motorways (SIC 42110).
How old is M&O Construction & Civil Engineering Ltd?
M&O Construction & Civil Engineering Ltd was incorporated on 26 January 2011, 15 years ago.
What is the penalty if M&O Construction & Civil Engineering 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&O Construction & Civil Engineering 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.