Steel Mangos Limited
- Company number
- 11798447
- Incorporated
- 30 Jan 20197 years trading
- Registered office
- 37 Impey Road, North Field, Birmingham, B31 2PB
- Nature of business
- Construction of commercial buildings; Construction of roads and motorways; Construction of bridges and tunnels; Construction of other civil engineering projects n.e.c.
Steel Mangos Limited is a 7-year-old private limited company registered in North Field, company number 11798447, one of the UK's building contractors. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Steel Mangos LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £1,030 (-22.7%) on the year before, to -£5,566.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £3,557 against £4,366 owed within a year: 0.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | -£5,566 | £3,557 | £4,366 | 0 | |
| 31 Jan 2025 | -£4,536 | £6,712 | £5,020 | 1 | |
| 31 Jan 2024 | £121 | £30K | £23K | 1 | |
| 31 Jan 2023 | £7,858 | £25K | £11K | 1 | |
| 31 Jan 2022 | £256 | £6,940 | £442 | 1 | |
| 31 Jan 2021 | £16K | £30K | £7,864 | 1 | |
| 31 Jan 2020 | £21K | £35K | £20K | 1 | |
| 31 Jan 2019 | £0 | £0 | £0 | 0 |
Where Steel Mangos Limited is registered
The registered office is in North Field (B31), in the Birmingham local authority area, West Midlands. Show B31 2PB on a map.
Other trade companies in B31
- Craddock Contractors LimitedBuilders
- Water Wizards Birmingham LtdPlumbers and heating engineers
- Britannia Air Con LtdPlumbers and heating engineers
- R Beech Electrical Installations LtdElectricians
- Desyle LtdFinishing trades
- Novagleam Cleaning Solutions LtdCleaning companies
- Quantum Electrical Services LtdElectricians
- Mullins Renewables Management LtdCivil engineering
What happens if Steel Mangos 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 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
- 11798447
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 January 2019 (7 years ago)
- Registered office
- 37 Impey Road, North Field, Birmingham, B31 2PB
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of roads and motorways (SIC 42110)
Construction of bridges and tunnels (SIC 42130)
Construction of other civil engineering projects n.e.c. (SIC 42990) - Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 4 February 2026
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
Other active building contractors.
Frequently asked questions
When are Steel Mangos Limited's accounts due?
Steel Mangos Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Steel Mangos Limited'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 Steel Mangos Limited still trading?
Steel Mangos 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 Steel Mangos Limited do?
Steel Mangos Limited is registered under Construction of commercial buildings (SIC 41201); Construction of roads and motorways (SIC 42110); Construction of bridges and tunnels (SIC 42130); Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Steel Mangos Limited?
Steel Mangos Limited was incorporated on 30 January 2019, 7 years ago.
What is the penalty if Steel Mangos 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 Steel Mangos 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.