- Companies
- Civil engineering
- London
- Opus Rail Ltd
Opus Rail Ltd
- Company number
- 15749643
- Incorporated
- 29 May 20242 years trading
- Registered office
- 291 Tildesley Road, London, SW15 3BA
- Nature of business
- Construction of railways and underground railways
Opus Rail Ltd is a 2-year-old private limited company registered in London, company number 15749643, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Opus Rail LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 31 May 2025, as filed at Companies House.
Where Opus Rail Ltd is registered
The registered office is in London (SW15), in the Wandsworth local authority area, London. Show SW15 3BA on a map.
Other trade companies in SW15
- Kruzaken LtdInstallers
- White Horse Ipswich 2 LimitedProperty developers
- Cherry Premier Cleaning LtdCleaning companies
- Prestige Property Maintenance Services LtdFinishing trades
- Zakies Autocare LtdMechanics and garages
- Cenaj Construction LtdBuilders
- Corbett's Roofing LtdRoofers
- Dronevolut Solutions LimitedElectricians
What happens if Opus Rail 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 15749643
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 May 2024 (2 years ago)
- Registered office
- 291 Tildesley Road, London, SW15 3BA
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 28 May 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 London
Other active civil engineering contractors registered in London.
- Oracha Infra Services Ltd2019
- Oran Engineering Limited2012
- Orantez Developments Ltd2008
- Ori Gelfer Limited2002
- Oriana777 Ltd2025
- Ortex Investments Limited2000
- Osazuwa Adoghe Ltd2019
- Osborne Associates Consultancy (London) Limited2013
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Opus Rail Ltd's accounts due?
Opus Rail Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Opus Rail Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Opus Rail Ltd still trading?
Opus Rail 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 Opus Rail Ltd do?
Opus Rail Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is Opus Rail Ltd?
Opus Rail Ltd was incorporated on 29 May 2024, 2 years ago.
What is the penalty if Opus Rail 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 Opus Rail 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.