- Companies
- Civil engineering
- Slough
- RMC Rail Services Ltd
RMC Rail Services Ltd
- Company number
- 14153930
- Incorporated
- 7 Jun 20224 years trading
- Registered office
- 1 the Cedars, Calbroke Road, Slough, SL2 2JA
- Nature of business
- Construction of railways and underground railways
RMC Rail Services Ltd is a 4-year-old private limited company registered in Slough, company number 14153930, one of 39 civil engineering contractors in Slough. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £387 (+231.7%) on the year before, to £554.
- Current assets of £7,429 against £6,875 owed within a year: 1.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £554 | £7,429 | £6,875 | 1 | |
| 30 Jun 2024 | £167 | £5,115 | £4,948 | 1 | |
| 30 Jun 2023 | £269 | £5,130 | £4,861 | 1 |
Who runs and owns RMC Rail Services Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| R*** C*** | Director | Jun 2022 |
Person with significant control
Where RMC Rail Services Ltd is registered
The registered office is in Slough (SL2), in the Slough local authority area, South East. Show SL2 2JA on a map.
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What happens if RMC Rail Services 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 14153930
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 June 2022 (4 years ago)
- Registered office
- 1 the Cedars, Calbroke Road, Slough, SL2 2JA
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 6 June 2026
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 Slough
Other active civil engineering contractors registered in Slough.
- S Kang Construction Ltd2020
- SB Planning Services Ltd2011
- Shipright Limited2013
- Stenning Services Limited2025
- Termoglass Ltd2013
- Toner Rail Services Ltd2013
- Yashraj Construction Limited2023
- Asb Construction Limited2013
All civil engineering contractors in Slough · All trades in Slough · Civil engineering across the UK
Frequently asked questions
When are RMC Rail Services Ltd's accounts due?
RMC Rail Services Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is RMC Rail Services Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is RMC Rail Services Ltd still trading?
RMC Rail Services 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 RMC Rail Services Ltd do?
RMC Rail Services Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is RMC Rail Services Ltd?
RMC Rail Services Ltd was incorporated on 7 June 2022, 4 years ago.
Who runs RMC Rail Services Ltd?
RMC Rail Services Ltd has 1 active director, the longest-serving appointed in Jun 2022. Their names and service addresses are on the Companies House register.
Who owns RMC Rail Services Ltd?
One person or company has significant control of RMC Rail Services Ltd: an individual (owns 75% or more of the shares).
What is the penalty if RMC Rail Services 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 RMC Rail Services 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.