- Companies
- Cleaning companies
- Romford
- Biro-Miko Ltd
Biro-Miko Ltd
- Company number
- 10424593
- Incorporated
- 13 Oct 20169 years trading
- Registered office
- 8 Ramsden Drive, Romford, RM5 2NJ
- Nature of business
- Disinfecting and exterminating services
Biro-Miko Ltd is a 9-year-old private limited company registered in Romford, company number 10424593, one of 171 cleaning companies in Romford. 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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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 £4,479 on the year before, to -£4,221.
- Net assets rose in 2 of 8 year-on-year comparisons on record.
- Current assets of £4,876 against £9,097 owed within a year: 0.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | -£4,221 | £768 | £4,876 | £9,097 | 1 |
| 31 Oct 2024 | £258 | £2,092 | £10K | £10K | 1 |
| 31 Oct 2023 | £1,065 | £876 | £2,877 | £1,812 | 1 |
| 31 Oct 2022 | -£1,680 | £1,317 | £2,408 | £4,088 | 1 |
| 31 Oct 2021 | £2,128 | £3,443 | £1,769 | 1 | |
| 31 Oct 2020 | £4,019 | £6,194 | £2,781 | 1 | |
| 31 Oct 2019 | £5,649 | £6,293 | £1,453 | 1 | |
| 31 Oct 2018 | £2,856 | £3,106 | £1,360 | 1 | |
| 31 Oct 2017 | £3,182 | £3,313 | £1,137 | 1 |
Where Biro-Miko Ltd is registered
The registered office is in Romford (RM5), in the Havering local authority area, London. Show RM5 2NJ on a map.
Other trade companies in RM5
- Genny Clean LtdCleaning companies
- MRH Motorworks LtdMotor traders
- Hornet Interiors LimitedPlasterers
- Thiago Andrade LtdBuilders
- LLL Construction LtdProperty developers
- Driveworks Autos LtdMechanics and garages
- Ragu Builders LtdBuilders
- Morantis LtdInstallers
What happens if Biro-Miko 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
- 10424593
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 October 2016 (9 years ago)
- Registered office
- 8 Ramsden Drive, Romford, RM5 2NJ
- Nature of business
- Disinfecting and exterminating services (SIC 81291)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 12 October 2025
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in Romford
Other active cleaning companies registered in Romford.
- Biva Cleaners Ltd2025
- Bold Touch Limited2021
- Boleyn Property Services Limited1978
- Brightside Cleaning Solutions Ltd2018
- Bugwise Environmental Services Ltd2019
- C.E.C. Professional Cleaning Limited2020
- C4Cleaner Ltd2025
- Campbell's Pro Cleaners Limited2025
All cleaning companies in Romford · All trades in Romford · Cleaning companies across the UK
Frequently asked questions
When are Biro-Miko Ltd's accounts due?
Biro-Miko 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 Biro-Miko 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 Biro-Miko Ltd still trading?
Biro-Miko 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 Biro-Miko Ltd do?
Biro-Miko Ltd is registered under Disinfecting and exterminating services (SIC 81291).
How old is Biro-Miko Ltd?
Biro-Miko Ltd was incorporated on 13 October 2016, 9 years ago.
What is the penalty if Biro-Miko 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 Biro-Miko 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.