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- Mamjrn Ltd
Company profile · Property developers
Mamjrn Ltd
Mamjrn Ltd is a 3-year-old private limited company registered in Caterham, company number 14433280, one of 50 property development companies in Caterham. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 October 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Mamjrn Ltd over the years
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 up £3,780 (+43.6%) on the year before, to -£4,888.
- Current assets of £626K against £631K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | -£4,888 | £626K | £631K | 0 | |
| 31 Oct 2024 | -£8,668 | £695K | £704K | 2 | |
| 31 Oct 2023 | -£3,529 | £699K | £702K | 0 |
Who runs and owns Mamjrn Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** N*** | Director | Oct 2022 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| M*** M*** | Director | Oct 2022 | Aug 2025 |
People with significant control (2)
Where Mamjrn Ltd is registered
The registered office is in Caterham (CR3), in the Tandridge local authority area, South East. Show CR3 5UA on a map.
Other trade companies in CR3
- Epw Group (London) LtdCleaning companies
- Limitless Flooring LtdFloor and wall tilers
- 5 Star Renovation LtdFinishing trades
- Moncur Heating LimitedPlumbers and heating engineers
- Rayce Projects LtdProperty developers
- DDB Building LtdFinishing trades
- Eljayar LimitedLandscapers and gardeners
- Apex Scaffold Services LtdScaffolders
Shared registered office
30 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 Mamjrn 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 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
- 14433280
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 October 2022 (3 years ago)
- Registered office
- 12/14 High Street, Caterham, Surrey, CR3 5UA
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 19 October 2025
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 Caterham
Other active property development companies registered in Caterham.
- Martin Homes Hurstpierpoint Ltd2020
- MJM Building & Maintenance Ltd2023
- Murphy Building Services Ltd1995
- Oakgrove Winchester 1 Ltd2026
- Owl Garden Studios Ltd2026
- Property Developing Limited2016
- Property Joint Ventures Limited2025
- Property Training Limited2019
All property development companies in Caterham · All trades in Caterham · Property developers across the UK
Frequently asked questions
When are Mamjrn Ltd's accounts due?
Mamjrn Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Mamjrn Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Mamjrn Ltd still trading?
Mamjrn 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 Mamjrn Ltd do?
Mamjrn Ltd is registered under Development of building projects (SIC 41100).
How old is Mamjrn Ltd?
Mamjrn Ltd was incorporated on 20 October 2022, 3 years ago.
Who runs Mamjrn Ltd?
Mamjrn Ltd has 1 active director, the longest-serving appointed in Oct 2022. Their names and service addresses are on the Companies House register.
Who owns Mamjrn Ltd?
2 people or companies have significant control of Mamjrn Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Mamjrn 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 Mamjrn 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.