- Company number
- 16811737
- Incorporated
- 27 Oct 2025
- Registered office
- 300 Hoe Street, London, E17 9QD
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Mag Geo Builders Ltd is a newly incorporated private limited company registered in London, company number 16811737, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 27 July 2027, and its first CT600 is due at HMRC on 26 October 2027.
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.
Is this your company?
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Where Mag Geo Builders Ltd is registered
The registered office is in London (E17), in the Waltham Forest local authority area, London. Show E17 9QD on a map.
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What happens if Mag Geo Builders 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 27 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Jul 2027 to 27 Aug 2027 | £150 |
| 1 to 3 months late | 28 Aug 2027 to 27 Oct 2027 | £375 |
| 3 to 6 months late | 28 Oct 2027 to 27 Jan 2028 | £750 |
| More than 6 months late | From 28 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16811737
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 October 2025
- Registered office
- 300 Hoe Street, London, E17 9QD
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Magbin Construction and Cleaning Limited2024
- Magic Experience Limited2005
- Magic Build Ltd2019
- Magic Construction Ltd2018
- Magic Hands Maintenance Services Ltd2026
- Magic Master Ltd2017
- Magic Painting London Ltd2024
- Magic Projects London Ltd2014
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Mag Geo Builders Ltd's accounts due?
Mag Geo Builders Ltd's next accounts are due at Companies House by 27 July 2027 (in 287 days), covering the period to 31 October 2026.
When is Mag Geo Builders 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 26 October 2026, due by 26 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mag Geo Builders Ltd still trading?
Mag Geo Builders 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 Mag Geo Builders Ltd do?
Mag Geo Builders Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Mag Geo Builders Ltd?
Mag Geo Builders Ltd was incorporated on 27 October 2025, less than a year ago.
What is the penalty if Mag Geo Builders 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 Mag Geo Builders 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.