- Companies
- Civil engineering
- London
- Badmos Aa Ltd
Badmos Aa Ltd
- Company number
- 15388625
- Incorporated
- 4 Jan 20242 years trading
- Registered office
- 38 Old Kent Road, London, SE1 5NJ
- Nature of business
- Construction of railways and underground railways
Badmos Aa Ltd is a 2-year-old private limited company registered in London, company number 15388625, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
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 £1,388 (-99.9%) on the year before, to £2.
- Current assets of £4,961 against £4,959 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 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £2 | £3 | £4,961 | £4,959 | 0 |
| 31 Jan 2025 | £1,390 | £821 | £6,523 | £5,133 | 0 |
Where Badmos Aa Ltd is registered
The registered office is in London (SE1), in the Southwark local authority area, London. Show SE1 5NJ on a map.
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What happens if Badmos Aa 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 15388625
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 January 2024 (2 years ago)
- Registered office
- 38 Old Kent Road, London, SE1 5NJ
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 3 January 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
- Baidu Services Ltd2023
- Bak. Engineering Limited2024
- Baker & Fanis S&T Ltd2022
- Bala Consulting Ltd2024
- Bancroft Heath Limited2002
- Bann Kos Limited2017
- Bape Consult Ltd2014
- Barrow Place Ltd2014
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Badmos Aa Ltd's accounts due?
Badmos Aa Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Badmos Aa Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Badmos Aa Ltd still trading?
Badmos Aa 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 Badmos Aa Ltd do?
Badmos Aa Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is Badmos Aa Ltd?
Badmos Aa Ltd was incorporated on 4 January 2024, 2 years ago.
What is the penalty if Badmos Aa 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 Badmos Aa 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.