- Company number
- SC837728
- Incorporated
- 14 Feb 20251 year trading
- Registered office
- 239 Castlemilk Road, Glasgow, G44 4LE
- Nature of business
- Construction of commercial buildings
Smartfix Innovation and Constructions Ltd is a 1-year-old private limited company registered in Glasgow, company number SC837728, one of 593 building contractors in Glasgow. Its next accounts are due at Companies House on 14 November 2026, and its first CT600 is due at HMRC on 13 February 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.
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 Smartfix Innovation and Constructions 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 Smartfix Innovation and Constructions Ltd is registered
The registered office is in Glasgow (G44), in the South Lanarkshire local authority area, Scotland. Show G44 4LE on a map.
Other trade companies in G44
- BJB Access LtdScaffolders
- Jab Energy LtdInstallers
- DS Project Management LtdCivil engineering
- Scottgas LimitedPlumbers and heating engineers
- NRB Plant LtdCivil engineering
- CMD Joinery All Aspects LtdJoiners and carpenters
- DFW Contracts LimitedInstallers
- Elevate Cleaning Solutions LtdCleaning companies
What happens if Smartfix Innovation and Constructions 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 14 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 15 Nov 2026 to 14 Dec 2026 | £150 |
| 1 to 3 months late | 15 Dec 2026 to 14 Feb 2027 | £375 |
| 3 to 6 months late | 15 Feb 2027 to 14 May 2027 | £750 |
| More than 6 months late | From 15 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- SC837728
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 February 2025 (1 year ago)
- Registered office
- 239 Castlemilk Road, Glasgow, G44 4LE
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 13 February 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Glasgow
Other active building contractors registered in Glasgow.
- SMS Contracting Ltd2025
- Snow Corp Ltd2019
- Sohana Limited2024
- Solaris Properties Limited2012
- Spectrum Manchester Limited2018
- Springburn Depot SPV Limited2021
- Standard Construction Building Solutions Limited2013
- Stanza Projects Ltd2025
All building contractors in Glasgow · All trades in Glasgow · Builders across the UK
Frequently asked questions
When are Smartfix Innovation and Constructions Ltd's accounts due?
Smartfix Innovation and Constructions Ltd's next accounts are due at Companies House by 14 November 2026 (in 33 days), covering the period to 28 February 2026.
When is Smartfix Innovation and Constructions 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 13 February 2026, due by 13 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Smartfix Innovation and Constructions Ltd still trading?
Smartfix Innovation and Constructions 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 Smartfix Innovation and Constructions Ltd do?
Smartfix Innovation and Constructions Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is Smartfix Innovation and Constructions Ltd?
Smartfix Innovation and Constructions Ltd was incorporated on 14 February 2025, 1 year ago.
What is the penalty if Smartfix Innovation and Constructions 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 Smartfix Innovation and Constructions 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.