- Company number
- 12202507
- Incorporated
- 12 Sep 20197 years trading
- Registered office
- Kalam House, Suite 505, 252-256 Romford Road, London, E7 9HZ
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Armm Limited is a 7-year-old private limited company registered in London, company number 12202507, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 29 June 2027, and the CT600 for the period to 29 September 2026 is due at HMRC on 29 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
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 down £1,096 (-6.7%) on the year before, to -£18K.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £16K against £13K owed within a year: 1.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£18K | £16K | £13K | 1 | |
| 30 Sep 2024 | -£16K | £16K | £13K | 1 | |
| 30 Sep 2023 | -£11K | £17K | £10K | 2 | |
| 30 Sep 2022 | £1,929 | £88K | £61K | 2 | |
| 30 Sep 2021 | £6,026 | £74K | £54K | 2 | |
| 30 Sep 2020 | £3,042 | £47K | £40K | 2 |
Where Armm Limited is registered
The registered office is in London (E7), in the Newham local authority area, London. Show E7 9HZ on a map.
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Also registered at this address
1 other company uses the same registered office as Armm Limited.
- A&Z Development Group LtdProperty developers
What happens if Armm Limited 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 29 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Jun 2027 to 29 Jul 2027 | £150 |
| 1 to 3 months late | 30 Jul 2027 to 29 Sep 2027 | £375 |
| 3 to 6 months late | 30 Sep 2027 to 29 Dec 2027 | £750 |
| More than 6 months late | From 30 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Sep 2027 | £200 |
| 3 months late | 29 Dec 2027 | another £200 |
| 6 months late | 29 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Sep 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
- 12202507
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 September 2019 (7 years ago)
- Registered office
- Kalam House, Suite 505, 252-256 Romford Road, London, E7 9HZ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 29 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 29 September 2025
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.
- Armo Constructions Ltd2023
- Armoured Construction and Maintenance Ltd2020
- Arn Building Construction Limited2021
- Arnage Developments Ltd2021
- Arnv Construction Limited2025
- Aron Contractor Guys Ltd2024
- Aroot Ltd2024
- Arpe Construction Group Ltd2026
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Armm Limited's accounts due?
Armm Limited's next accounts are due at Companies House by 29 June 2027 (in 260 days), covering the period to 29 September 2026.
When is Armm Limited's CT600 due?
The CT600 for the period to 29 September 2026 is due at HMRC by 29 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 June 2027.
Is Armm Limited still trading?
Armm Limited 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 Armm Limited do?
Armm Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Armm Limited?
Armm Limited was incorporated on 12 September 2019, 7 years ago.
What is the penalty if Armm Limited 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 Armm Limited 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.