- Companies
- Civil engineering
- Edgware
- Sga Railway Services Ltd
Sga Railway Services Ltd
- Company number
- 10173721
- Incorporated
- 11 May 201610 years trading
- Registered office
- 13 Old Rectory Gardens, Edgware, HA8 7LS
- Nature of business
- Construction of railways and underground railways
Sga Railway Services Ltd is a 10-year-old private limited company registered in Edgware, company number 10173721, one of 61 civil engineering contractors in Edgware. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 28 May 2026 is due at HMRC on 28 May 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 unchanged on the year before, at -£7,468.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £6,240 against £16K owed within a year: 0.4 times cover.
- 3 employees on average, up from -3 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | -£7,468 | £6,240 | £16K | 3 | |
| 31 May 2024 | -£7,468 | £6,240 | £16K | -3 | |
| 31 May 2023 | £158 | £22K | £13K | -3 | |
| 31 May 2022 | £21K | £13K | £42K | -3 | |
| 31 May 2021 | £12K | £108K | £96K | 3 | |
| 31 May 2020 | £13K | £65K | £52K | 3 | |
| 31 May 2019 | £14K | £14K | 2 | ||
| 31 May 2018 | £3,114 | £3,114 | £3,114 | ||
| 31 May 2017 | £2,163 | £2,163 | £2,163 |
Where Sga Railway Services Ltd is registered
The registered office is in Edgware (HA8), in the Barnet local authority area, London. Show HA8 7LS on a map.
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Also registered at this address
1 other company uses the same registered office as Sga Railway Services Ltd.
- Filip Services LimitedCivil engineering
What happens if Sga Railway 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 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 | 29 May 2027 | £200 |
| 3 months late | 28 Aug 2027 | another £200 |
| 6 months late | 28 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 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
- 10173721
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 May 2016 (10 years ago)
- Registered office
- 13 Old Rectory Gardens, Edgware, HA8 7LS
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 28 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 5 May 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 Edgware
Other active civil engineering contractors registered in Edgware.
- Smart Comms Sava Ltd2023
- Stefano Limited2006
- Sun's Landscaping Limited2022
- Syed Construction & Transport Ltd2026
- Symy Construction Limited2016
- Tib Rail Limited2019
- Vio.Rail.UK Limited2016
- Voitel Ltd2020
All civil engineering contractors in Edgware · All trades in Edgware · Civil engineering across the UK
Frequently asked questions
When are Sga Railway Services Ltd's accounts due?
Sga Railway Services Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 28 May 2026.
When is Sga Railway Services Ltd's CT600 due?
The CT600 for the period to 28 May 2026 is due at HMRC by 28 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Sga Railway Services Ltd still trading?
Sga Railway Services Ltd is listed as active on the Companies House register (checked 13 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 Sga Railway Services Ltd do?
Sga Railway Services Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is Sga Railway Services Ltd?
Sga Railway Services Ltd was incorporated on 11 May 2016, 10 years ago.
What is the penalty if Sga Railway 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 Sga Railway Services Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.