- Companies
- Property developers
- London
- Mac & Co. Investments Ltd
Mac & Co. Investments Ltd
- Company number
- 15418410
- Incorporated
- 16 Jan 20242 years trading
- Registered office
- 49 Englefield Road, London, N1 4HJ
- Nature of business
- Development of building projects
Mac & Co. Investments Ltd is a 2-year-old private limited company registered in London, company number 15418410, one of 14,100 property development companies 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. Negative net assets mean the company owed more than it owned at that date.
Where Mac & Co. Investments Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 4HJ on a map.
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Also registered at this address
1 other company uses the same registered office as Mac & Co. Investments Ltd.
- Mac Construction & Developments LtdProperty developers
What happens if Mac & Co. Investments 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
- 15418410
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 January 2024 (2 years ago)
- Registered office
- 49 Englefield Road, London, N1 4HJ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 15 January 2026
- Charges (mortgages)
- 3 outstanding of 5 registered
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.
- Mac Construction & Developments Ltd2021
- Mac Developments London Ltd2019
- Mac GW Ltd2024
- Mac Protection Services Ltd2021
- Mac20 Limited2020
- Macan Construction Ltd2021
- Macartin Construction Ltd2026
- Macausland Developments Ltd2020
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Mac & Co. Investments Ltd's accounts due?
Mac & Co. Investments 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 Mac & Co. Investments 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 Mac & Co. Investments Ltd still trading?
Mac & Co. Investments 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 Mac & Co. Investments Ltd do?
Mac & Co. Investments Ltd is registered under Development of building projects (SIC 41100).
How old is Mac & Co. Investments Ltd?
Mac & Co. Investments Ltd was incorporated on 16 January 2024, 2 years ago.
What is the penalty if Mac & Co. Investments 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 Mac & Co. Investments 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.