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- MLS Infrastructure Limited
Company profile · Civil engineering
MLS Infrastructure Limited
MLS Infrastructure Limited is a 2-year-old private limited company registered in Mansfield, company number 15345749, one of 43 civil engineering contractors in Mansfield. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where MLS Infrastructure Limited is registered
The registered office is in Mansfield (NG18), in the Mansfield local authority area, East Midlands. Show NG18 1EX on a map.
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What happens if MLS Infrastructure 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15345749
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 December 2023 (2 years ago)
- Registered office
- Synergy House Acorn Business Park, Commercial Gate, Mansfield, Nottinghamshire, NG18 1EX
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 21 November 2025
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 Mansfield
Other active civil engineering contractors registered in Mansfield.
- MTG Comms Limited2011
- Orchard Executive Homes Limited1996
- Parsons Contracting Ltd2021
- Paul Leatherland Limited2017
- PMS Construction Services Ltd2026
- R O Electrical Limited2004
- RMT Contract Limited2025
- Rockside Engineering Ltd2025
All civil engineering contractors in Mansfield · All trades in Mansfield · Civil engineering across the UK
Frequently asked questions
When are MLS Infrastructure Limited's accounts due?
MLS Infrastructure Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is MLS Infrastructure Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is MLS Infrastructure Limited still trading?
MLS Infrastructure 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 MLS Infrastructure Limited do?
MLS Infrastructure Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is MLS Infrastructure Limited?
MLS Infrastructure Limited was incorporated on 12 December 2023, 2 years ago.
What is the penalty if MLS Infrastructure 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 MLS Infrastructure 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.