- Companies
- Property developers
- London
- Masper Engineering Ltd
Masper Engineering Ltd
- Company number
- 09994637
- Incorporated
- 9 Feb 201610 years trading
- Registered office
- 45 Albemarle ST, 3RD Floor, London, Mayfair, W1S 4JL
- Nature of business
- Development of building projects; Electrical installation; Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Masper Engineering Ltd is a 10-year-old private limited company registered in London, company number 09994637, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 down £85K (-99.7%) on the year before, to £274.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £26K against £9,181 owed within a year: 2.8 times cover.
- 2 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £274 | £26K | £9,181 | 2 | |
| 29 Feb 2024 | £85K | £104 | £66K | 2 | |
| 28 Feb 2023 | £75K | £4,784 | £6,478 | 2 | |
| 28 Feb 2022 | £77K | £2,081 | £6,478 | 2 | |
| 28 Feb 2021 | £2,135 | £17K | £16K | 2 | |
| 29 Feb 2020 | £1,478 | £37K | £59K | 1 | |
| 28 Feb 2019 | £1,396 | £29K | £32K | ||
| 28 Feb 2018 | £9 | £5,422 | £6,303 | ||
| 28 Feb 2017 | -£7,045 | £1,014 | £6,116 | £14K |
Where Masper Engineering Ltd is registered
The registered office is in London (W1S), in the Westminster local authority area, London. Show W1S 4JL on a map.
Other trade companies in W1S
- Alderborne LimitedSpecialist contractors
- Gtstore LtdMotor traders
- Imperial Roofcraft LtdRoofers
- Service Robots Group LtdFacilities management
- Bluerock Infrastructure LtdBuilders
- Kaivaro Projects LtdBuilders
- Solar Property 45 LtdProperty developers
- Crown Crest Roofing and Building Solutions LtdRoofers
What happens if Masper Engineering 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 09994637
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 February 2016 (10 years ago)
- Registered office
- 45 Albemarle ST, 3RD Floor, London, Mayfair, W1S 4JL
- Nature of business
- Development of building projects (SIC 41100)
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 24 November 2025
- Previous names
- Masper Build Ltd (until 8 Jul 2026)
MGB Pro Contractor Ltd (until 2 Mar 2017)
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in London
Other active property development companies registered in London.
- Massena Limited2026
- Massetts Road 1 Ltd2025
- Massetts Road 2 Ltd2025
- Massi Property Group Ltd2022
- Master Builders Developments Ltd2017
- Masterman & Co Ltd2012
- Mastermind Interiors Limited2020
- Masteroperations Ltd2026
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Masper Engineering Ltd's accounts due?
Masper Engineering Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Masper Engineering Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Masper Engineering Ltd still trading?
Masper Engineering 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 Masper Engineering Ltd do?
Masper Engineering Ltd is registered under Development of building projects (SIC 41100); Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Masper Engineering Ltd?
Masper Engineering Ltd was incorporated on 9 February 2016, 10 years ago.
What is the penalty if Masper Engineering 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 Masper Engineering 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.