- Company number
- 08303903
- Incorporated
- 22 Nov 201213 years trading
- Registered office
- 28 Melrose Avenue, Greenford, UB6 9TA
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
O-K Smart Home Technology Ltd is a 13-year-old private limited company registered in Greenford, company number 08303903, one of 238 building contractors in Greenford. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 30 November 2026.
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 £25K (-48.9%) on the year before, to £26K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £114K against £100K owed within a year: 1.1 times cover.
- 3 employees on average, down from 4 the year before.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £26K | £114K | £100K | 3 | |
| 30 Nov 2023 | £52K | £86K | £49K | 4 | |
| 30 Nov 2022 | £49K | £83K | £50K | 4 | |
| 30 Nov 2021 | £58K | £100K | £54K | 4 | |
| 30 Nov 2020 | £99K | £165K | £47K | 4 | |
| 30 Nov 2019 | £81K | £155K | £81K | 4 | |
| 30 Nov 2018 | £29K | £67K | £39K | ||
| 30 Nov 2017 | £38K | £48K | £88K | £53K | 4 |
| 30 Nov 2016 | £4,855 | £3,788 | £59K | £59K | |
| 30 Nov 2015 | £2 | £7,939 | £61K | £67K |
Where O-K Smart Home Technology Ltd is registered
The registered office is in Greenford (UB6), in the Ealing local authority area, London. Show UB6 9TA on a map.
Other trade companies in UB6
- Motor Mec Centre LtdMechanics and garages
- Eminova Automotive Solutions LtdMotor traders
- CMP Waterproofing LtdSpecialist contractors
- I K Religa LtdProperty developers
- I O City Property Services LimitedBuilders
- Furtuna Fire LtdBuilders
- Dzony Spark LtdBuilders
- Naaz Services LimitedCleaning companies
What happens if O-K Smart Home Technology 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 08303903
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 November 2012 (13 years ago)
- Registered office
- 28 Melrose Avenue, Greenford, UB6 9TA
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 22 November 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 Greenford
Other active building contractors registered in Greenford.
- Obloj Construction Ltd2023
- Optimus Build Services Ltd2026
- Ovp Construction Limited2025
- P.W.K Construction Ltd2022
- Panorama Construction Ltd2020
- Pardis Design & Construction Ltd2006
- Pearl Caviar House Ltd2025
- Peter K Builders Ltd2018
All building contractors in Greenford · All trades in Greenford · Builders across the UK
Frequently asked questions
When are O-K Smart Home Technology Ltd's accounts due?
O-K Smart Home Technology Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is O-K Smart Home Technology Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 November 2025, due by 30 November 2026, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is O-K Smart Home Technology Ltd still trading?
O-K Smart Home Technology 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 O-K Smart Home Technology Ltd do?
O-K Smart Home Technology Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is O-K Smart Home Technology Ltd?
O-K Smart Home Technology Ltd was incorporated on 22 November 2012, 13 years ago.
What is the penalty if O-K Smart Home Technology 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 O-K Smart Home Technology 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.