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- J. Conner Installation Services Ltd
Company profile · Installers
J. Conner Installation Services Ltd
J. Conner Installation Services Ltd is a 1-year-old private limited company registered in Glasgow, company number SC852853, one of 331 installation companies (insulation, lifts, shutters and similar) in Glasgow. Its next accounts are due at Companies House on 19 March 2027, and its first CT600 is due at HMRC on 18 June 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?
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Where J. Conner Installation Services Ltd is registered
The registered office is in Glasgow (G1), in the Glasgow City local authority area, Scotland. Show G1 3NQ on a map.
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- Brighthome Installations LimitedInstallers
Shared registered office
114 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if J. Conner Installation Services 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Mar 2027 to 19 Apr 2027 | £150 |
| 1 to 3 months late | 20 Apr 2027 to 19 Jun 2027 | £375 |
| 3 to 6 months late | 20 Jun 2027 to 19 Sep 2027 | £750 |
| More than 6 months late | From 20 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- SC852853
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 June 2025 (1 year ago)
- Registered office
- 6TH Floor Gordon Chambers, 90 Mitchell Street, Glasgow, G1 3NQ
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 18 June 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Glasgow
Other active installation companies (insulation, lifts, shutters and similar) registered in Glasgow.
- J. Murray Installation Services Ltd2025
- J.B. Blind Installations Ltd.2025
- J.P Rainscreen Cladding Specialists Ltd2024
- Jab Energy Ltd2026
- Jac Insulation Ltd2021
- James McCartney Construction and Civils Limited2025
- JCM Insulation Ltd2025
- JD Fireplaces Installations Limited2024
All installation companies (insulation, lifts, shutters and similar) in Glasgow · All trades in Glasgow · Installers across the UK
Frequently asked questions
When are J. Conner Installation Services Ltd's accounts due?
J. Conner Installation Services Ltd's next accounts are due at Companies House by 19 March 2027 (in 158 days), covering the period to 30 June 2026.
When is J. Conner Installation Services 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 June 2026, due by 18 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is J. Conner Installation Services Ltd still trading?
J. Conner Installation Services 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 J. Conner Installation Services Ltd do?
J. Conner Installation Services Ltd is registered under Other construction installation (SIC 43290).
How old is J. Conner Installation Services Ltd?
J. Conner Installation Services Ltd was incorporated on 19 June 2025, 1 year ago.
What is the penalty if J. Conner Installation Services 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 J. Conner Installation Services 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.