- Companies
- Specialist contractors
- Oxford
- Subtek Limited
Subtek Limited
- Company number
- 17373924
- Incorporated
- 31 Jul 2026
- Registered office
- 12 Mortimer Road, Oxford, OX4 4UQ
- Nature of business
- Other specialised construction activities n.e.c.; Other activities of employment placement agencies; Other business support service activities n.e.c.
Subtek Limited is a newly incorporated private limited company registered in Oxford, company number 17373924, one of 63 specialist construction companies in Oxford. Its next accounts are due at Companies House on 30 April 2028, and its first CT600 is due at HMRC on 30 July 2028.
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.
Is this your company?
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Where Subtek Limited is registered
The registered office is in Oxford (OX4), in the Oxford local authority area, South East. Show OX4 4UQ on a map.
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What happens if Subtek Limited 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 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2028 to 31 May 2028 | £150 |
| 1 to 3 months late | 1 Jun 2028 to 31 Jul 2028 | £375 |
| 3 to 6 months late | 1 Aug 2028 to 31 Oct 2028 | £750 |
| More than 6 months late | From 1 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17373924
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 July 2026
- Registered office
- 12 Mortimer Road, Oxford, OX4 4UQ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Other activities of employment placement agencies (SIC 78109)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 11 September 2026
- Previous names
- Shoktech Limited (until 14 Sep 2026)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Oxford
Other active specialist construction companies registered in Oxford.
- Trentwood Fencing Limited2013
- Vionu Ltd2026
- Wells Developments Ltd.1994
- Yakka Ltd2025
- Zafrose Ltd2026
- A S Brickwork (Oxford) Ltd2018
- Able Living Solutions Ltd2009
- Ajdini Construction Ltd2025
All specialist construction companies in Oxford · All trades in Oxford · Specialist contractors across the UK
Frequently asked questions
When are Subtek Limited's accounts due?
Subtek Limited's next accounts are due at Companies House by 30 April 2028 (in 566 days), covering the period to 31 July 2027.
When is Subtek Limited'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 July 2027, due by 30 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Subtek Limited still trading?
Subtek Limited 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 Subtek Limited do?
Subtek Limited is registered under Other specialised construction activities n.e.c. (SIC 43999); Other activities of employment placement agencies (SIC 78109); Other business support service activities n.e.c. (SIC 82990).
How old is Subtek Limited?
Subtek Limited was incorporated on 31 July 2026, less than a year ago.
What is the penalty if Subtek Limited 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 Subtek Limited 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.