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- Plumbers and heating engineers
- Glasgow
- O'Kane & Sons Ltd
Company profile · Plumbers and heating engineers
O'Kane & Sons Ltd
O'Kane & Sons Ltd is a 1-year-old private limited company registered in Glasgow, company number SC851908, one of 515 plumbing and heating companies in Glasgow. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 30 June 2026, as filed at Companies House.
Who runs and owns O'Kane & Sons Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| T*** O*** | Director | Jun 2025 |
Person with significant control
Where O'Kane & Sons Ltd is registered
The registered office is in Glasgow (G2), in the Glasgow City local authority area, Scotland. Show G2 4BG on a map.
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Shared registered office
130 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if O'Kane & Sons 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- SC851908
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 June 2025 (1 year ago)
- Registered office
- 2ND Floor, 22-24 Blythswood Square, Glasgow, G2 4BG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 10 June 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Glasgow
Other active plumbing and heating companies registered in Glasgow.
- Offshoreconstruction Ltd2024
- Olu Jamiu Home Services Ltd2026
- Optimus Plumbing & Heating Ltd2019
- Origin Gas, Plumbing and Heating Ltd2019
- Origin GPH Ltd2023
- P&N Bathrooms Limited2005
- P&P Ventilation Ltd2021
- Parkway Plumbing & Heating Limited2014
All plumbing and heating companies in Glasgow · All trades in Glasgow · Plumbers and heating engineers across the UK
Frequently asked questions
When are O'Kane & Sons Ltd's accounts due?
O'Kane & Sons Ltd's next accounts are due at Companies House by 31 March 2028 (in 536 days), covering the period to 30 June 2027.
When is O'Kane & Sons Ltd's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is O'Kane & Sons Ltd still trading?
O'Kane & Sons 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'Kane & Sons Ltd do?
O'Kane & Sons Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is O'Kane & Sons Ltd?
O'Kane & Sons Ltd was incorporated on 11 June 2025, 1 year ago.
Who runs O'Kane & Sons Ltd?
O'Kane & Sons Ltd has 1 active director, the longest-serving appointed in Jun 2025. Their names and service addresses are on the Companies House register.
Who owns O'Kane & Sons Ltd?
One person or company has significant control of O'Kane & Sons Ltd: an individual (owns 75% or more of the shares).
What is the penalty if O'Kane & Sons 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'Kane & Sons 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.