- Company number
- 16571589
- Incorporated
- 9 Jul 20251 year trading
- Registered office
- 156 Streatfield Road, Harrow, HA3 9BU
- Nature of business
- Construction of domestic buildings; Other construction installation
Omko Ltd is a 1-year-old private limited company registered in Harrow, company number 16571589, one of 793 building contractors in Harrow. Its next accounts are due at Companies House on 9 April 2027, and its first CT600 is due at HMRC on 8 July 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Omko Ltd is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 9BU on a map.
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- Direct Sparks LtdMachinery repair and installation
- Meral Decoration & Maintenance LtdPainters and decorators
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Also registered at this address
1 other company uses the same registered office as Omko Ltd.
- KK Construct LtdBuilders
What happens if Omko 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 9 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Apr 2027 to 9 May 2027 | £150 |
| 1 to 3 months late | 10 May 2027 to 9 Jul 2027 | £375 |
| 3 to 6 months late | 10 Jul 2027 to 9 Oct 2027 | £750 |
| More than 6 months late | From 10 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16571589
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 July 2025 (1 year ago)
- Registered office
- 156 Streatfield Road, Harrow, HA3 9BU
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other construction installation (SIC 43290) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
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 Harrow
Other active building contractors registered in Harrow.
- One Piece Group Ltd2026
- Onu Construction Ltd2026
- Onyal Group Ltd2020
- Onyleo Ltd2026
- Orange Times Limited2021
- Oviproconstruct Ltd2020
- P Brothers Construction Ltd2021
- P. McFadden Builders Limited1997
All building contractors in Harrow · All trades in Harrow · Builders across the UK
Frequently asked questions
When are Omko Ltd's accounts due?
Omko Ltd's next accounts are due at Companies House by 9 April 2027 (in 179 days), covering the period to 31 July 2026.
When is Omko 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 8 July 2026, due by 8 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Omko Ltd still trading?
Omko Ltd is listed as active on the Companies House register (checked 12 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 Omko Ltd do?
Omko Ltd is registered under Construction of domestic buildings (SIC 41202); Other construction installation (SIC 43290).
How old is Omko Ltd?
Omko Ltd was incorporated on 9 July 2025, 1 year ago.
What is the penalty if Omko 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 Omko Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.