- Companies
- Specialist contractors
- Witney
- Insink UK Ltd
Insink UK Ltd
- Company number
- 16149295
- Incorporated
- 23 Dec 20241 year trading
- Registered office
- Unit 3, West End, Witney, OX28 1UB
- Nature of business
- Other specialised construction activities n.e.c.; Other activities of employment placement agencies; Other business support service activities n.e.c.
Insink UK Ltd is a 1-year-old private limited company registered in Witney, company number 16149295, one of 35 specialist construction companies in Witney. Companies House shows its accounts as overdue: they were due on 23 September 2026.
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?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Insink UK LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Insink UK Ltd is registered
The registered office is in Witney (OX28), in the West Oxfordshire local authority area, South East. Show OX28 1UB on a map.
Other trade companies in OX28
- Aeroamps LtdMachinery repair and installation
- Floart & More LtdPlumbers and heating engineers
- RS108 LimitedMotor traders
- CJ Floor Care LtdCleaning companies
- Pitstop Autocare Holdings LimitedMechanics and garages
- O G Lewis Plumbing and Heating Services LimitedPlumbers and heating engineers
- Witney MOT & Services LtdMechanics and garages
- Canntech LtdRepair services
Also registered at this address
1 other company uses the same registered office as Insink UK Ltd.
- Insink UK Group LimitedSpecialist contractors
What happens if Insink UK Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Sep 2026 to 23 Oct 2026 | £150 |
| 1 to 3 months late | 24 Oct 2026 to 23 Dec 2026 | £375 |
| 3 to 6 months late | 24 Dec 2026 to 23 Mar 2027 | £750 |
| More than 6 months late | From 24 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 16149295
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 December 2024 (1 year ago)
- Registered office
- Unit 3, West End, Witney, OX28 1UB
- 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 December (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 3 February 2026
- Previous names
- Mega.Support Ltd (until 3 Feb 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 Witney
Other active specialist construction companies registered in Witney.
- J Brown Groundwork and Plant Hire Ltd2023
- K&M Leadwork Ltd2015
- Mayes Construction and Design Ltd2025
- Minster Lovell Contracting Group Ltd2024
- Minster Lovell Contractors Limited1984
- Next Generation Renewable Energy Ltd2009
- O.G. Stonemasonry Contractors Limited2003
- Oxfordshire Assessments Ltd2018
All specialist construction companies in Witney · All trades in Witney · Specialist contractors across the UK
Frequently asked questions
When are Insink UK Ltd's accounts due?
Insink UK Ltd's accounts were due at Companies House on 23 September 2026 and the register shows them as overdue.
When is Insink UK 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 22 December 2025, due by 22 December 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Insink UK Ltd still trading?
Insink UK Ltd is listed as active on the Companies House register (checked 13 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 Insink UK Ltd do?
Insink UK Ltd 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 Insink UK Ltd?
Insink UK Ltd was incorporated on 23 December 2024, 1 year ago.
What is the penalty if Insink UK 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 Insink UK Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.