- Companies
- Property developers
- London
- The Main Contractors Ltd
The Main Contractors Ltd
- Company number
- 17258421
- Incorporated
- 3 Jun 2026
- Registered office
- 190 Billet Road, London, E17 5DX
- Nature of business
- Development of building projects; Construction of commercial buildings; Construction of domestic buildings
The Main Contractors Ltd is a newly incorporated private limited company registered in London, company number 17258421, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 3 March 2028, and its first CT600 is due at HMRC on 2 June 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where The Main Contractors Ltd is registered
The registered office is in London (E17), in the Waltham Forest local authority area, London. Show E17 5DX on a map.
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Shared registered office
147 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if The Main Contractors 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 3 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 4 Mar 2028 to 3 Apr 2028 | £150 |
| 1 to 3 months late | 4 Apr 2028 to 3 Jun 2028 | £375 |
| 3 to 6 months late | 4 Jun 2028 to 3 Sep 2028 | £750 |
| More than 6 months late | From 4 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 17258421
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 June 2026
- Registered office
- 190 Billet Road, London, E17 5DX
- Nature of business
- Development of building projects (SIC 41100)
Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- The Maize Group Ltd2022
- The Mall Reit Limited1962
- The Mall Shopping Centres Limited1950
- The Mall W5 Limited2018
- The Mall Walthamstow One Limited2016
- The Merchant Chest Limited2005
- The Mockett Trust Limited2014
- The New High Street Limited2018
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are The Main Contractors Ltd's accounts due?
The Main Contractors Ltd's next accounts are due at Companies House by 3 March 2028 (in 507 days), covering the period to 30 June 2027.
When is The Main Contractors Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 2 June 2027, due by 2 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is The Main Contractors Ltd still trading?
The Main Contractors 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 The Main Contractors Ltd do?
The Main Contractors Ltd is registered under Development of building projects (SIC 41100); Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is The Main Contractors Ltd?
The Main Contractors Ltd was incorporated on 3 June 2026, less than a year ago.
What is the penalty if The Main Contractors 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 The Main Contractors 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.