- Companies
- Civil engineering
- Fi Railway Engineering Limited
Fi Railway Engineering Limited
- Company number
- 16478976
- Incorporated
- 28 May 20251 year trading
- Registered office
- C/O ST Clair Accountancy Solutions Ltd ST Marys Court, The Broadway, Old Amersham, Buckinghamshire, HP7 0UT
- Nature of business
- Construction of railways and underground railways
Fi Railway Engineering Limited is a 1-year-old private limited company registered in Old Amersham, company number 16478976, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 28 February 2027, and its first CT600 is due at HMRC on 27 May 2027.
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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Who runs and owns Fi Railway Engineering Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| F*** I*** | Director | May 2025 |
Person with significant control
Where Fi Railway Engineering Limited is registered
The registered office is in Old Amersham (HP7), in the Buckinghamshire local authority area, South East. Show HP7 0UT on a map.
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Also registered at this address
2 other companies use the same registered office as Fi Railway Engineering Limited.
- Ealing Construction 1 LtdBuilders
- Ealing Construction LimitedBuilders
What happens if Fi Railway Engineering 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 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
- 16478976
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 May 2025 (1 year ago)
- Registered office
- C/O ST Clair Accountancy Solutions Ltd ST Marys Court, The Broadway, Old Amersham, Buckinghamshire, HP7 0UT
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 27 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
Other active civil engineering contractors.
Frequently asked questions
When are Fi Railway Engineering Limited's accounts due?
Fi Railway Engineering Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Fi Railway Engineering 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 27 May 2026, due by 27 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Fi Railway Engineering Limited still trading?
Fi Railway Engineering 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 Fi Railway Engineering Limited do?
Fi Railway Engineering Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is Fi Railway Engineering Limited?
Fi Railway Engineering Limited was incorporated on 28 May 2025, 1 year ago.
Who runs Fi Railway Engineering Limited?
Fi Railway Engineering Limited has 1 active director, the longest-serving appointed in May 2025. Their names and service addresses are on the Companies House register.
Who owns Fi Railway Engineering Limited?
One person or company has significant control of Fi Railway Engineering Limited: an individual (owns 75% or more of the shares).
What is the penalty if Fi Railway Engineering 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 Fi Railway Engineering 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.