- Companies
- Finishing trades
- Grays
- RK-Oa Construction Co Ltd
RK-Oa Construction Co Ltd
- Company number
- 16405516
- Incorporated
- 24 Apr 20251 year trading
- Registered office
- 25 William Street, Grays, RM17 6DY
- Nature of business
- Other building completion and finishing; Other specialised construction activities n.e.c.
RK-Oa Construction Co Ltd is a 1-year-old private limited company registered in Grays, company number 16405516, one of 102 building finishing companies in Grays. Its next accounts are due at Companies House on 24 January 2027, and its first CT600 is due at HMRC on 23 April 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 RK-Oa Construction Co Ltd is registered
The registered office is in Grays (RM17), in the Thurrock local authority area, East of England. Show RM17 6DY on a map.
Other trade companies in RM17
- JR Home Improvement LtdBuilders
- United Engines LtdMechanics and garages
- Amitab Mechanic LtdMechanics and garages
- NHF Property Solutions LtdElectricians
- DMCG LtdElectricians
- Chris Bell Plumbing Services LtdPlumbers and heating engineers
- United Prompt Solutions LtdMachinery repair and installation
- Countryside Building & Developments LtdCivil engineering
What happens if RK-Oa Construction Co 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 24 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Jan 2027 to 24 Feb 2027 | £150 |
| 1 to 3 months late | 25 Feb 2027 to 24 Apr 2027 | £375 |
| 3 to 6 months late | 25 Apr 2027 to 24 Jul 2027 | £750 |
| More than 6 months late | From 25 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 16405516
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 April 2025 (1 year ago)
- Registered office
- 25 William Street, Grays, RM17 6DY
- Nature of business
- Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 23 April 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Grays
Other active building finishing companies registered in Grays.
- Ryder & Daly Building Services Ltd2019
- S & I Construction Ltd2014
- Savannah SV Solutions Ltd2015
- Savion Ltd2011
- Sealtite Sealants Limited1989
- Smily Signature Designs International Ltd2024
- Solei Construction Ltd2023
- Surfacerevive Group Limited2026
All building finishing companies in Grays · All trades in Grays · Finishing trades across the UK
Frequently asked questions
When are RK-Oa Construction Co Ltd's accounts due?
RK-Oa Construction Co Ltd's next accounts are due at Companies House by 24 January 2027 (in 103 days), covering the period to 30 April 2026.
When is RK-Oa Construction Co 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 23 April 2026, due by 23 April 2027, and one for the period to 30 April 2026, due by 30 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is RK-Oa Construction Co Ltd still trading?
RK-Oa Construction Co 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 RK-Oa Construction Co Ltd do?
RK-Oa Construction Co Ltd is registered under Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).
How old is RK-Oa Construction Co Ltd?
RK-Oa Construction Co Ltd was incorporated on 24 April 2025, 1 year ago.
What is the penalty if RK-Oa Construction Co 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 RK-Oa Construction Co 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.