- Companies
- Civil engineering
- Birmingham
- MBSK Maintenence Ltd
MBSK Maintenence Ltd
- Company number
- 15354257
- Incorporated
- 15 Dec 20232 years trading
- Registered office
- Longmore House, Cromer Road, Birmingham, B12 9QR
- Nature of business
- Construction of railways and underground railways; Landscape service activities
MBSK Maintenence Ltd is a 2-year-old private limited company registered in Birmingham, company number 15354257, one of 278 civil engineering contractors in Birmingham.
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 £1 on the year before, to £1.
- Current assets of £1,000 against £1,000 owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £1 | £1,000 | £1,000 | 1 | |
| 31 Dec 2024 | £0 | £0 | £0 | 1 |
Where MBSK Maintenence Ltd is registered
The registered office is in Birmingham (B12), in the Birmingham local authority area, West Midlands. Show B12 9QR on a map.
Other trade companies in B12
- Proton Tech Electrical LtdElectricians
- Leopold Auto LimitedMechanics and garages
- Apex Cleaners LtdCleaning companies
- Altitude Build Group LimitedGlaziers
- Glazed Direct LtdGlaziers
- Calderstead Facilities Management LtdFacilities management
- Repair Garage LimitedMechanics and garages
- Commercial Cleaning Services LtdCleaning companies
What happens if MBSK Maintenence 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 30 September 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 15354257
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 December 2023 (2 years ago)
- Registered office
- Longmore House, Cromer Road, Birmingham, B12 9QR
- Nature of business
- Construction of railways and underground railways (SIC 42120)
Landscape service activities (SIC 81300) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 5 December 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 Birmingham
Other active civil engineering contractors registered in Birmingham.
- MC Callion Contracting Limited2018
- MC Traffic Ltd2023
- McDade TM Limited2015
- McDowell Builders & Consultants Limited2019
- McDowell Civils Ltd2024
- MCL Civils Ltd2020
- MCL Contracts (UK) Ltd2014
- MCZ Construction Ltd2022
All civil engineering contractors in Birmingham · All trades in Birmingham · Civil engineering across the UK
Frequently asked questions
When are MBSK Maintenence Ltd's accounts due?
The register showed MBSK Maintenence Ltd's accounts as due on 30 September 2026. That date has passed; the Companies House register shows whether they have been filed since.
When is MBSK Maintenence Ltd's CT600 due?
The CT600 for the period to 31 December 2025 is due at HMRC by 31 December 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2026.
Is MBSK Maintenence Ltd still trading?
MBSK Maintenence 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 MBSK Maintenence Ltd do?
MBSK Maintenence Ltd is registered under Construction of railways and underground railways (SIC 42120); Landscape service activities (SIC 81300).
How old is MBSK Maintenence Ltd?
MBSK Maintenence Ltd was incorporated on 15 December 2023, 2 years ago.
What is the penalty if MBSK Maintenence 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 MBSK Maintenence 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.