- Company number
- 15418620
- Incorporated
- 16 Jan 20242 years trading
- Registered office
- 310 Mount Pleasant Road, London, N17 6HA
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Support activities to performing arts; Operation of arts facilities
QSS & Maas Ltd is a 2-year-old private limited company registered in London, company number 15418620, one of 12,075 building contractors in London. 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.
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Financial snapshot, 2025
From the balance sheet at 31 January 2025, as filed at Companies House.
Who runs and owns QSS & Maas Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| M*** S*** | Director | Jan 2024 |
| M*** P*** | Director | Mar 2024 |
People with significant control (2)
Where QSS & Maas Ltd is registered
The registered office is in London (N17), in the Haringey local authority area, London. Show N17 6HA on a map.
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What happens if QSS & Maas 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
- 15418620
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 January 2024 (2 years ago)
- Registered office
- 310 Mount Pleasant Road, London, N17 6HA
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Support activities to performing arts (SIC 90020)
Operation of arts facilities (SIC 90040) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 15 January 2026
- Previous names
- QSS Trading As Maas Ltd (until 14 Apr 2024)
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 London
Other active building contractors registered in London.
- Quadlis Ltd2015
- Quadrangle Construction Ltd2018
- Quadshine Polishing Ltd2026
- Qualent Limited2025
- Qualion Construction Group Ltd2022
- Qualitas London Limited2020
- Quality Abseiling Ltd2019
- Quality Builders Construction Limited2025
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are QSS & Maas Ltd's accounts due?
QSS & Maas 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 QSS & Maas 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 QSS & Maas Ltd still trading?
QSS & Maas 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 QSS & Maas Ltd do?
QSS & Maas Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Support activities to performing arts (SIC 90020); Operation of arts facilities (SIC 90040).
How old is QSS & Maas Ltd?
QSS & Maas Ltd was incorporated on 16 January 2024, 2 years ago.
Who runs QSS & Maas Ltd?
QSS & Maas Ltd has 2 active directors, the longest-serving appointed in Jan 2024. Their names and service addresses are on the Companies House register.
Who owns QSS & Maas Ltd?
2 people or companies have significant control of QSS & Maas Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 75% or more of the shares).
What is the penalty if QSS & Maas 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 QSS & Maas 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.