- Companies
- Civil engineering
- Porth
- Arch Rail Services Limited
Arch Rail Services Limited
- Company number
- 11670870
- Incorporated
- 9 Nov 20187 years trading
- Registered office
- Unit 2, Ynyshir Ind Estate, Porth, CF39 0HU
- Nature of business
- Construction of railways and underground railways
Arch Rail Services Limited is a 7-year-old private limited company registered in Porth, company number 11670870, one of 24 civil engineering contractors in Porth. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 down £2,983 (-8%) on the year before, to -£40K.
- Net assets rose in 2 of 6 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | -£40K | £1,402 | £43K | 0 | |
| 31 Mar 2025 | -£37K | £1,714 | £40K | 0 | |
| 31 Mar 2024 | -£38K | £6,822 | £6,822 | £46K | 0 |
| 31 Mar 2023 | -£29K | £14K | £31K | £62K | 0 |
| 31 Mar 2022 | -£41K | £3,861 | £11K | £54K | 0 |
| 31 Mar 2021 | -£30K | £6,622 | £27K | £59K | 11 |
| 30 Nov 2019 | -£15K | £1,570 | £1,929 | £28K | 0 |
Where Arch Rail Services Limited is registered
The registered office is in Porth (CF39), in the Rhondda Cynon Taf local authority area, Wales. Show CF39 0HU on a map.
Other trade companies in CF39
- Nvme Detailing LimitedMechanics and garages
- Choctar LimitedBuilders
- J Cantwell Surfacing & Contracting LtdCivil engineering
- Ok Rail LtdCivil engineering
- Porth Ceilings & Interiors LtdFinishing trades
- Wydex LtdBuilders
- Time Lec Services LtdElectricians
- Arb-Scape Tree Surgery & Landscaping LtdLandscapers and gardeners
What happens if Arch Rail Services 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 11670870
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 November 2018 (7 years ago)
- Registered office
- Unit 2, Ynyshir Ind Estate, Porth, CF39 0HU
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 22 May 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
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 Porth
Other active civil engineering contractors registered in Porth.
- Arch Utility Services (SW) Ltd2015
- B.B.Civils & Labour Ltd2021
- C 2 Groundworks Limited2014
- D D C Civil Engineering & Construction Limited2013
- Darjen Contractors Ltd.2016
- Draftcopy Limited1998
- Ej Civil and Rail Ltd2016
- First Defence Traffic Management Ltd2021
All civil engineering contractors in Porth · All trades in Porth · Civil engineering across the UK
Frequently asked questions
When are Arch Rail Services Limited's accounts due?
Arch Rail Services Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Arch Rail Services Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Arch Rail Services Limited still trading?
Arch Rail Services 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 Arch Rail Services Limited do?
Arch Rail Services Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is Arch Rail Services Limited?
Arch Rail Services Limited was incorporated on 9 November 2018, 7 years ago.
What is the penalty if Arch Rail Services 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 Arch Rail Services 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.