- Companies
- Machinery repair and installation
- Londonderry
- TJ McConnell and Sons Ltd
TJ McConnell and Sons Ltd
- Company number
- NI618549
- Incorporated
- 23 May 201313 years trading
- Registered office
- 65 Forge Road Forge Road, Ardmore, Londonderry, BT47 3RB
- Nature of business
- Repair of other equipment
TJ McConnell and Sons Ltd is a 13-year-old private limited company registered in Londonderry, company number NI618549, one of 22 machinery repair and installation companies in Londonderry. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 down £579 (-0.6%) on the year before, to -£103K.
- Net assets rose in 0 of 9 year-on-year comparisons on record.
- Current assets of £25K against £129K owed within a year: 0.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£103K | £25K | £129K | 0 | |
| 30 Jun 2024 | -£103K | £25K | £129K | 0 | |
| 30 Jun 2023 | -£102K | £25K | £129K | 0 | |
| 30 Jun 2022 | -£96K | £26K | £129K | 0 | |
| 30 Jun 2021 | -£90K | £26K | £129K | 0 | |
| 30 Jun 2020 | -£83K | £26K | £129K | 0 | |
| 30 Jun 2019 | -£75K | £28K | £130K | 6 | |
| 30 Jun 2018 | -£61K | ||||
| 30 Jun 2017 | -£59K | £161K | £262K | ||
| 30 Jun 2016 | -£27K | £31K | £185K | £251K |
Where TJ McConnell and Sons Ltd is registered
The registered office is in Londonderry (BT47), in the Derry City and Strabane local authority area, Northern Ireland. Show BT47 3RB on a map.
Other trade companies in BT47
- RNK Contracts LimitedGroundworks and demolition
- Den Electrical LtdElectricians
- BDK Consulting LimitedProperty developers
- Oakline Engineering LtdInstallers
- Killew Property Services LimitedFacilities management
- PH Autobody LimitedMechanics and garages
- C Doherty Autos LtdMechanics and garages
- CPMH LtdBuilders
What happens if TJ McConnell and Sons 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 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
- NI618549
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 May 2013 (13 years ago)
- Registered office
- 65 Forge Road Forge Road, Ardmore, Londonderry, BT47 3RB
- Nature of business
- Repair of other equipment (SIC 33190)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 20 June 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Londonderry
Other active machinery repair and installation companies registered in Londonderry.
- Vultron Machinery Ltd2026
- Ward Tech Limited2016
- Acl Ireland Ltd2022
- Aj Haulage & Plant Hire Limited2023
- BMG Electrical Services Ltd2024
- Cardano Properties Limited2024
- Centre Electrical Services Ltd2013
- E&I Jointing Ltd2020
All machinery repair and installation companies in Londonderry · All trades in Londonderry · Machinery repair and installation across the UK
Frequently asked questions
When are TJ McConnell and Sons Ltd's accounts due?
TJ McConnell and Sons Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is TJ McConnell and Sons Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is TJ McConnell and Sons Ltd still trading?
TJ McConnell and Sons 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 TJ McConnell and Sons Ltd do?
TJ McConnell and Sons Ltd is registered under Repair of other equipment (SIC 33190).
How old is TJ McConnell and Sons Ltd?
TJ McConnell and Sons Ltd was incorporated on 23 May 2013, 13 years ago.
What is the penalty if TJ McConnell and Sons 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 TJ McConnell and Sons 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.