- Companies
- Machinery repair and installation
- Maghera
- A.J. Armstrong & Sons Ltd
A.J. Armstrong & Sons Ltd
- Company number
- NI605915
- Incorporated
- 26 Jan 201115 years trading
- Registered office
- 149C Drumbolg Road, Upperlands, Maghera, Co Londonderry, BT46 5UZ
- Nature of business
- Repair of machinery
A.J. Armstrong & Sons Ltd is a 15-year-old private limited company registered in Maghera, company number NI605915, one of 6 machinery repair and installation companies in Maghera. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
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 £42K (+18.7%) on the year before, to £268K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £632K against £556K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £268K | £18K | £632K | £556K | 0 |
| 31 Jan 2025 | £225K | £39K | £452K | £366K | 12 |
| 31 Jan 2024 | £184K | £43K | £478K | £301K | 13 |
| 31 Jan 2023 | £251K | £580 | £347K | £197K | 12 |
| 31 Jan 2022 | £293K | £100K | £510K | £321K | 11 |
| 31 Jan 2021 | £232K | £443K | £304K | 5 | |
| 31 Jan 2020 | £193K | £301K | £267K | 5 | |
| 31 Jan 2019 | £206K | £178K | £113K | ||
| 31 Jan 2018 | £174K | £194K | £136K | ||
| 31 Jan 2017 | £136K | £286K | £232K |
Who runs and owns A.J. Armstrong & Sons Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** A*** | Director | Jan 2011 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| K*** H*** | Director | Jan 2011 | Jan 2011 |
Person with significant control
Charges (secured borrowing)
1 of 1 registered charge is outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Northern Bank Limited | Outstanding | Nov 2018 |
Public contracts won
A.J. Armstrong & Sons Ltd has 2 public sector contract awards on record; the ones with their own published value total £1.1M (2026). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Northern Ireland Water1 award
- Department of Agriculture, Environment and Rural Affairs1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Northern Ireland Water | T152 Plant and Machinery – Service, Maintenance and Repair | £900K | 20 Aug 2026 |
| Department of Agriculture, Environment and Rural Affairs | Daera - Cafre Servicing, Repair and Maintenance of Agricultural Machinery | £250K | 29 May 2026 |
Where A.J. Armstrong & Sons Ltd is registered
The registered office is in Maghera (BT46), in the Mid Ulster local authority area, Northern Ireland. Show BT46 5UZ on a map.
Other trade companies in BT46
- Conor Kelly Transport & Commercials LtdMotor traders
- PG Caravans LtdMotor traders
- Tirgarvil Groundtactics LtdGroundworks and demolition
- McGuigans Garage LimitedMotor traders
- Jme Utilities & Groundworks LtdCivil engineering
- Tirhugh Construction Services LtdCivil engineering
- Linty Group LtdBuilders
- Mod Electrics LtdElectricians
What happens if A.J. Armstrong & 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- NI605915
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 January 2011 (15 years ago)
- Registered office
- 149C Drumbolg Road, Upperlands, Maghera, Co Londonderry, BT46 5UZ
- Nature of business
- Repair of machinery (SIC 33120)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 26 January 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Maghera
Other active machinery repair and installation companies registered in Maghera.
- Concrete and Quarry Services Ltd2025
- DSR (Digger Spares & Repairs) Ltd2018
- JMK Commercials Ltd2016
- Link Electrics Limited2021
- MFL Plant Machinery Ltd2016
All machinery repair and installation companies in Maghera · All trades in Maghera · Machinery repair and installation across the UK
Frequently asked questions
When are A.J. Armstrong & Sons Ltd's accounts due?
A.J. Armstrong & Sons Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is A.J. Armstrong & Sons Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is A.J. Armstrong & Sons Ltd still trading?
A.J. Armstrong & 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 A.J. Armstrong & Sons Ltd do?
A.J. Armstrong & Sons Ltd is registered under Repair of machinery (SIC 33120).
How old is A.J. Armstrong & Sons Ltd?
A.J. Armstrong & Sons Ltd was incorporated on 26 January 2011, 15 years ago.
Who runs A.J. Armstrong & Sons Ltd?
A.J. Armstrong & Sons Ltd has 1 active director, the longest-serving appointed in Jan 2011. Their names and service addresses are on the Companies House register.
Who owns A.J. Armstrong & Sons Ltd?
One person or company has significant control of A.J. Armstrong & Sons Ltd: an individual (owns 75% or more of the shares).
Has A.J. Armstrong & Sons Ltd won public sector contracts?
Yes. A.J. Armstrong & Sons Ltd has 2 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £1.1M), most recently from Northern Ireland Water.
What is the penalty if A.J. Armstrong & 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 A.J. Armstrong & 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.