- Companies
- Civil engineering
- Sheffield
- Swift Signal Solutions Ltd
Swift Signal Solutions Ltd
- Company number
- 15187933
- Incorporated
- 4 Oct 20233 years trading
- Registered office
- 12 Wentworth Way, Dinnington, Sheffield, S25 2SY
- Nature of business
- Construction of railways and underground railways
Swift Signal Solutions Ltd is a 3-year-old private limited company registered in Sheffield, company number 15187933, one of 107 civil engineering contractors in Sheffield. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Swift Signal Solutions Ltd is registered
The registered office is in Sheffield (S25), in the Rotherham local authority area, Yorkshire and The Humber. Show S25 2SY on a map.
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What happens if Swift Signal Solutions 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 15187933
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 October 2023 (3 years ago)
- Registered office
- 12 Wentworth Way, Dinnington, Sheffield, S25 2SY
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 26 October 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 Sheffield
Other active civil engineering contractors registered in Sheffield.
- Tony Sherwoods Solutions Limited2019
- UK A.J.S Ltd2019
- Waw Rigging Services UK Limited2014
- Yard Repairs Ltd2024
- Yflrail Ltd2020
- Yorkshire Building Civils Surfacing Ltd2025
- Yorkshire Plus Consultancy Ltd2024
- Aa Tools & Engineering Group Ltd2026
All civil engineering contractors in Sheffield · All trades in Sheffield · Civil engineering across the UK
Frequently asked questions
When are Swift Signal Solutions Ltd's accounts due?
Swift Signal Solutions Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Swift Signal Solutions Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Swift Signal Solutions Ltd still trading?
Swift Signal Solutions 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 Swift Signal Solutions Ltd do?
Swift Signal Solutions Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is Swift Signal Solutions Ltd?
Swift Signal Solutions Ltd was incorporated on 4 October 2023, 3 years ago.
What is the penalty if Swift Signal Solutions 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 Swift Signal Solutions 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.