- Companies
- Civil engineering
- Motherwell
- MK Rail Limited
MK Rail Limited
- Company number
- SC890359
- Incorporated
- 20 May 2026
- Registered office
- 19 Harburn Place, Newarthill, Motherwell, ML1 5UG
- Nature of business
- Construction of railways and underground railways
MK Rail Limited is a newly incorporated private limited company registered in Motherwell, company number SC890359, one of 17 civil engineering contractors in Motherwell. Its next accounts are due at Companies House on 20 February 2028, and its first CT600 is due at HMRC on 19 May 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where MK Rail Limited is registered
The registered office is in Motherwell (ML1), in the North Lanarkshire local authority area, Scotland. Show ML1 5UG on a map.
Other trade companies in ML1
- Croppy LimitedSpecialist contractors
- KD Joinery & Maintance Services LtdJoiners and carpenters
- Portal Railway Services LtdCivil engineering
- Edinburgh Pbsa (Causewayside) LimitedProperty developers
- Pralina LtdPlasterers
- McNairn Motor Services LtdMechanics and garages
- PG Resin LimitedInstallers
- Jaxn Vehicle Trade LtdMotor traders
What happens if MK Rail 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 20 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Feb 2028 to 20 Mar 2028 | £150 |
| 1 to 3 months late | 21 Mar 2028 to 20 May 2028 | £375 |
| 3 to 6 months late | 21 May 2028 to 20 Aug 2028 | £750 |
| More than 6 months late | From 21 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | 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
- SC890359
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 May 2026
- Registered office
- 19 Harburn Place, Newarthill, Motherwell, ML1 5UG
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
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 Motherwell
Other active civil engineering contractors registered in Motherwell.
- Morganmcc Rail Limited2016
- Newlay Civil Engineering Ltd2012
- Portal Railway Services Ltd2026
- Quantum Contract Solutions Ltd2018
- Ritchie Brothers (Public Works Contractors) Limited1973
- Sked Construction Limited2002
- Stark Structures Ltd2017
- Stepford Contracting Ltd2024
All civil engineering contractors in Motherwell · All trades in Motherwell · Civil engineering across the UK
Frequently asked questions
When are MK Rail Limited's accounts due?
MK Rail Limited's next accounts are due at Companies House by 20 February 2028 (in 496 days), covering the period to 31 May 2027.
When is MK Rail Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 19 May 2027, due by 19 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is MK Rail Limited still trading?
MK Rail 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 MK Rail Limited do?
MK Rail Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is MK Rail Limited?
MK Rail Limited was incorporated on 20 May 2026, less than a year ago.
What is the penalty if MK Rail 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 MK Rail 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.