- Companies
- Specialist contractors
- Northampton
- Mas Rail Services Ltd
Mas Rail Services Ltd
- Company number
- 07915559
- Incorporated
- 19 Jan 201214 years trading
- Registered office
- 2 Bants Lane, Northampton, NN5 6AL
- Nature of business
- Other specialised construction activities n.e.c.
Mas Rail Services Ltd is a 14-year-old private limited company registered in Northampton, company number 07915559, one of 258 specialist construction companies in Northampton. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 Mas Rail Services 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.
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 £13K (+10.6%) on the year before, to £132K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £154K against £27K owed within a year: 5.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £132K | £154K | £27K | 1 | |
| 31 Jan 2025 | £119K | £161K | £42K | 1 | |
| 31 Jan 2024 | £106K | £77K | £17K | 1 | |
| 31 Jan 2023 | £119K | £102K | 1 | ||
| 31 Jan 2022 | £119K | £95K | £0 | 1 | |
| 31 Jan 2021 | £119K | £100K | £14K | 1 | |
| 31 Jan 2020 | £59K | £76K | £78K | £32K | 0 |
| 31 Jan 2019 | £39K | £71K | £74K | £39K | |
| 31 Jan 2018 | £21K | £43K | £53K | £35K | 1 |
| 31 Jan 2017 | £4,982 | £7,206 | £17K | £16K | 1 |
Who runs and owns Mas Rail Services Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** S*** | Director | Jan 2012 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| S*** M*** | Secretary | Jan 2012 | Jul 2012 |
| P*** S*** | Director | Jan 2012 | Jul 2012 |
Person with significant control
Where Mas Rail Services Ltd is registered
The registered office is in Northampton (NN5), in the West Northamptonshire local authority area, East Midlands. Show NN5 6AL on a map.
Other trade companies in NN5
- RNR Autos LtdMotor traders
- County Cooling & Electrical LtdPlumbers and heating engineers
- Ceramilux Construct LimitedBuilders
- Aetoj LtdMachinery repair and installation
- Base2Build LtdBuilders
- Osadrew Services LtdCleaning companies
- SK Corex LtdProperty developers
- Avv Carpentry LimitedJoiners and carpenters
Also registered at this address
1 other company uses the same registered office as Mas Rail Services Ltd.
- MSJ Track Work LtdCivil engineering
What happens if Mas Rail 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 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
- 07915559
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 January 2012 (14 years ago)
- Registered office
- 2 Bants Lane, Northampton, NN5 6AL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 10 December 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Northampton
Other active specialist construction companies registered in Northampton.
- Mbi Armor Limited2018
- McPave (Northampton) Ltd2014
- MDMC Construction Ltd2023
- Mdsynergy Ltd2020
- Merrick Construction Services Limited2008
- MGP Construction Ltd2024
- Midlands Lifting Services Ltd2026
- Mikeli Construction Ltd2018
All specialist construction companies in Northampton · All trades in Northampton · Specialist contractors across the UK
Frequently asked questions
When are Mas Rail Services Ltd's accounts due?
Mas Rail Services 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 Mas Rail Services Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Mas Rail Services Ltd still trading?
Mas Rail Services 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 Mas Rail Services Ltd do?
Mas Rail Services Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Mas Rail Services Ltd?
Mas Rail Services Ltd was incorporated on 19 January 2012, 14 years ago.
Who runs Mas Rail Services Ltd?
Mas Rail Services Ltd has 1 active director, the longest-serving appointed in Jan 2012. Their names and service addresses are on the Companies House register.
Who owns Mas Rail Services Ltd?
One person or company has significant control of Mas Rail Services Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Mas Rail 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 Mas Rail Services 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.