- Company number
- 14701456
- Incorporated
- 2 Mar 20233 years trading
- Registered office
- 17 17, Five Acres, Harlow, CM18 6UX
- Nature of business
- Construction of domestic buildings; Construction of railways and underground railways; Engineering related scientific and technical consulting activities
As Railtech Ltd is a 3-year-old private limited company registered in Harlow, company number 14701456, one of 223 building contractors in Harlow. 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 up £269 (+8%) on the year before, to £3,630.
- Current assets of £3,693 against £63 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £3,630 | £3,693 | £63 | 1 | |
| 31 Mar 2025 | £3,361 | £3,606 | £245 | 1 | |
| 31 Mar 2024 | £2,316 | £2,859 | 0 |
Where As Railtech Ltd is registered
The registered office is in Harlow (CM18), in the Harlow local authority area, East of England. Show CM18 6UX on a map.
Other trade companies in CM18
- Ejc Lofts LtdBuilders
- The Kinsmann Group LimitedFacilities management
- E.F Maintenance LtdElectricians
- Fellas Construction LtdBuilders
- 5Wheels Recovery LtdMechanics and garages
- Troy Select Motors LtdMotor traders
- Attwell Roofing and Construction LtdRoofers
- All About Roofing and Building LtdRoofers
What happens if As Railtech 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 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
- 14701456
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 March 2023 (3 years ago)
- Registered office
- 17 17, Five Acres, Harlow, CM18 6UX
- Nature of business
- Construction of domestic buildings (SIC 41202)
Construction of railways and underground railways (SIC 42120)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 1 March 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Harlow
Other active building contractors registered in Harlow.
- Asi Decorators Ltd2023
- Ata Pro Ltd2026
- Atol Insulation Ltd2020
- Avm Interiors Ltd2026
- B&N Building and Renovation Ltd2022
- Bestlane Ltd2020
- BKV 2003 Ltd2018
- BLG Drylining Ltd2024
All building contractors in Harlow · All trades in Harlow · Builders across the UK
Frequently asked questions
When are As Railtech Ltd's accounts due?
As Railtech Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is As Railtech Ltd'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 As Railtech Ltd still trading?
As Railtech 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 As Railtech Ltd do?
As Railtech Ltd is registered under Construction of domestic buildings (SIC 41202); Construction of railways and underground railways (SIC 42120); Engineering related scientific and technical consulting activities (SIC 71122).
How old is As Railtech Ltd?
As Railtech Ltd was incorporated on 2 March 2023, 3 years ago.
What is the penalty if As Railtech 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 As Railtech 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.