- Companies
- Electricians
- Glasgow
- Knowire Installations Ltd
Knowire Installations Ltd
- Company number
- SC657223
- Incorporated
- 12 Mar 20206 years trading
- Registered office
- 112A Cumbernauld Road, Muirhead, Glasgow, G69 9AA
- Nature of business
- Electrical installation; Other information technology service activities
Knowire Installations Ltd is a 6-year-old private limited company registered in Glasgow, company number SC657223, one of 623 electrical contractors in Glasgow. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £18K on the year before, to £19K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £115K against £83K owed within a year: 1.4 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £19K | £115K | £83K | 2 | |
| 31 Mar 2024 | £840 | £41K | £32K | 2 | |
| 31 Mar 2023 | £592 | £45K | £34K | 2 | |
| 31 Mar 2022 | £9,931 | £32K | £6,841 | 0 | |
| 31 Mar 2021 | £111 | £16K | £8,205 | 0 |
Where Knowire Installations Ltd is registered
The registered office is in Glasgow (G69), in the North Lanarkshire local authority area, Scotland. Show G69 9AA on a map.
Other trade companies in G69
- Construct Services LtdScaffolders
- Cmcjoinery LtdBuilders
- V.J.A.K.K Access LtdScaffolders
- Nu City Energy LimitedCivil engineering
- Jto Hospitality LtdFacilities management
- Brady Builders LtdBuilders
- Maxpc LimitedCivil engineering
- Sap Scotland LtdCivil engineering
Also registered at this address
12 other companies use the same registered office as Knowire Installations Ltd.
- Hastings Heating Contracts LtdPlumbers and heating engineers
- James Ferrans Wallace LimitedSpecialist contractors
- JMK Scaffolding LtdScaffolders
- MTB Utilities LtdCivil engineering
- Paragon Services (Scotland) LtdJoiners and carpenters
- Poletek Glasgow LtdCleaning companies
- Quality Surfacing LtdSpecialist contractors
- R8JNR LimitedMechanics and garages
- RCL Engineering (Scotland) LtdCivil engineering
- Ron Services LimitedFacilities management
- Ron Soft Services LimitedFacilities management
- Scott Brown Electrical LimitedElectricians
What happens if Knowire Installations 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- SC657223
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 March 2020 (6 years ago)
- Registered office
- 112A Cumbernauld Road, Muirhead, Glasgow, G69 9AA
- Nature of business
- Electrical installation (SIC 43210)
Other information technology service activities (SIC 62090) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 4 March 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Glasgow
Other active electrical contractors registered in Glasgow.
- KRB Engineering Ltd2022
- KRW Electrical Ltd2026
- KSS Building Services Ltd2022
- L&I Reid Ltd2025
- Lae Services Scotland Ltd2025
- Langlea Contracts Ltd2016
- Lavery18 Solutions Ltd2022
- Leaf Contracts Ltd2022
All electrical contractors in Glasgow · All trades in Glasgow · Electricians across the UK
Frequently asked questions
When are Knowire Installations Ltd's accounts due?
Knowire Installations Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Knowire Installations Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Knowire Installations Ltd still trading?
Knowire Installations 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 Knowire Installations Ltd do?
Knowire Installations Ltd is registered under Electrical installation (SIC 43210); Other information technology service activities (SIC 62090).
How old is Knowire Installations Ltd?
Knowire Installations Ltd was incorporated on 12 March 2020, 6 years ago.
What is the penalty if Knowire Installations 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 Knowire Installations 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.