- Company number
- 12001871
- Incorporated
- 17 May 20197 years trading
- Registered office
- 111B South Norwood Hill, London, SE25 6DD
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Other construction installation
Misterbo Ltd is a 7-year-old private limited company registered in London, company number 12001871, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 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 £1,352 (-8.2%) on the year before, to £15K.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £19K against £3,188 owed within a year: 6.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2020 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £15K | £19K | £3,188 | 1 | |
| 31 May 2025 | £17K | £21K | £3,617 | 1 | |
| 31 May 2024 | £15K | £20K | £3,897 | 1 | |
| 31 May 2023 | £14K | £17K | £17K | £2,843 | 1 |
| 31 May 2022 | £11K | £13K | £20K | £8,314 | 1 |
| 31 May 2021 | £15K | £10K | £18K | £2,321 | 1 |
| 31 May 2020 | £6,231 | £3,654 | £11K | £4,350 |
Where Misterbo Ltd is registered
The registered office is in London (SE25), in the Croydon local authority area, London. Show SE25 6DD on a map.
Other trade companies in SE25
- Luna Plumbing LtdPlumbers and heating engineers
- Mendivra LtdJoiners and carpenters
- Squeaky Mastery Services LtdCleaning companies
- MM(P)M LtdProperty developers
- Meysam Electrical LtdElectricians
- Madej Property Maintenance LtdFinishing trades
- Leonardo Bespoke Joinery LtdJoiners and carpenters
- GCS Electrical Services LimitedElectricians
What happens if Misterbo 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 12001871
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 May 2019 (7 years ago)
- Registered office
- 111B South Norwood Hill, London, SE25 6DD
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other construction installation (SIC 43290) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 16 May 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 in London
Other active building contractors registered in London.
- Misug Formwork Ltd2019
- Mitcen Ltd2023
- Mitchell Archel JV Limited2025
- Mitford Construction Ltd2026
- Mitgate Group Ltd2026
- Mitko Marinov Ltd2020
- Mitra Construction Ltd2025
- Mivar Ltd2021
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Misterbo Ltd's accounts due?
Misterbo Ltd's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is Misterbo Ltd's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Misterbo Ltd still trading?
Misterbo 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 Misterbo Ltd do?
Misterbo Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other construction installation (SIC 43290).
How old is Misterbo Ltd?
Misterbo Ltd was incorporated on 17 May 2019, 7 years ago.
What is the penalty if Misterbo 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 Misterbo 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.