- Company number
- SC873246
- Incorporated
- 19 Dec 2025
- Registered office
- 5 Cameron Avenue, Kinross, Perth & Kinross, KY13 8BG
- Nature of business
- Glazing
Mainframe Glazing Ltd is a newly incorporated private limited company registered in Kinross, company number SC873246, one of the UK's glazing companies. Its next accounts are due at Companies House on 19 September 2027, and its first CT600 is due at HMRC on 18 December 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 Mainframe Glazing Ltd is registered
The registered office is in Kinross (KY13), in the Perth and Kinross local authority area, Scotland. Show KY13 8BG on a map.
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What happens if Mainframe Glazing 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 19 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Sep 2027 to 19 Oct 2027 | £150 |
| 1 to 3 months late | 20 Oct 2027 to 19 Dec 2027 | £375 |
| 3 to 6 months late | 20 Dec 2027 to 19 Mar 2028 | £750 |
| More than 6 months late | From 20 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- SC873246
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 December 2025
- Registered office
- 5 Cameron Avenue, Kinross, Perth & Kinross, KY13 8BG
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for glazing companies
Glazing companies often take deposits before work starts. Deposits held at the year end are a liability, not income, until the job is done.
Similar companies in Kinross
Other active glazing companies registered in Kinross.
- Windows Express Scotland Limited2026
- Alpine Improvements Ltd2026
- Summerfield Windows & Doors Ltd2026
- Glass Go Bus and Coach Glazing Ltd2026
- Tintology Solutions Limited2026
- Wolf Windows and Doors Ltd2026
- Nu-Line Architectural Glazing Ltd2026
- Ecko Glazing Solutions Ltd2026
All glazing companies in Kinross · All trades in Kinross · Glaziers across the UK
Frequently asked questions
When are Mainframe Glazing Ltd's accounts due?
Mainframe Glazing Ltd's next accounts are due at Companies House by 19 September 2027 (in 342 days), covering the period to 31 December 2026.
When is Mainframe Glazing 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 18 December 2026, due by 18 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mainframe Glazing Ltd still trading?
Mainframe Glazing 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 Mainframe Glazing Ltd do?
Mainframe Glazing Ltd is registered under Glazing (SIC 43342).
How old is Mainframe Glazing Ltd?
Mainframe Glazing Ltd was incorporated on 19 December 2025, less than a year ago.
What is the penalty if Mainframe Glazing 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 Mainframe Glazing 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.