- Companies
- Machinery repair and installation
- Lisburn
- R.S. Johnston Limited
R.S. Johnston Limited
- Company number
- NI671315
- Incorporated
- 27 Jul 20206 years trading
- Registered office
- 8E Flush Park, Lisburn, BT28 2DX
- Nature of business
- Repair of electronic and optical equipment; Other specialised construction activities n.e.c.
R.S. Johnston Limited is a 6-year-old private limited company registered in Lisburn, company number NI671315, one of 34 machinery repair and installation companies in Lisburn. Its next accounts are due at Companies House on 29 May 2027, and the CT600 for the period to 29 August 2026 is due at HMRC on 29 August 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 £20K (-26.5%) on the year before, to £57K.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £130K against £96K 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 |
|---|---|---|---|---|---|
| 29 Aug 2025 | £57K | £130K | £96K | 2 | |
| 29 Aug 2024 | £77K | £128K | £57K | 2 | |
| 30 Aug 2023 | £89K | £138K | £58K | 2 | |
| 31 Aug 2022 | £89K | £182K | £102K | 2 | |
| 31 Aug 2021 | £49K | £208K | £165K | 2 |
Where R.S. Johnston Limited is registered
The registered office is in Lisburn (BT28), in the Lisburn and Castlereagh local authority area, Northern Ireland. Show BT28 2DX on a map.
Other trade companies in BT28
- Lisburn Autohub LtdMotor traders
- Ultralift Facilities Management LtdFacilities management
- Ultimate Tinting Lisburn LtdMotor traders
- A H Assist Cars LtdMotor traders
- Northpeak Developments LtdProperty developers
- Built by D Design and Build LtdProperty developers
- Lagan to Liffey Electrical Contractors LtdElectricians
- Ez Trade Solutions LtdJoiners and carpenters
What happens if R.S. Johnston Limited 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 29 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 May 2027 to 29 Jun 2027 | £150 |
| 1 to 3 months late | 30 Jun 2027 to 29 Aug 2027 | £375 |
| 3 to 6 months late | 30 Aug 2027 to 29 Nov 2027 | £750 |
| More than 6 months late | From 30 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Aug 2027 | £200 |
| 3 months late | 29 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Aug 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
- NI671315
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 July 2020 (6 years ago)
- Registered office
- 8E Flush Park, Lisburn, BT28 2DX
- Nature of business
- Repair of electronic and optical equipment (SIC 33130)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 29 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 August 2025
- Last confirmation statement
- 29 August 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 Lisburn
Other active machinery repair and installation companies registered in Lisburn.
- Ratchet & Crank (N.I.) Limited2020
- Robert Craig & Sons Limited2007
- SG Fitout Ltd2016
- Simon Reid Electrical Services Ltd2025
- South Antrim Boiler Services Limited1992
- Tanksafe Solutions Ltd2002
- TSM-Aero Limited2023
- Allied Equipment Limited1969
All machinery repair and installation companies in Lisburn · All trades in Lisburn · Machinery repair and installation across the UK
Frequently asked questions
When are R.S. Johnston Limited's accounts due?
R.S. Johnston Limited's next accounts are due at Companies House by 29 May 2027 (in 228 days), covering the period to 29 August 2026.
When is R.S. Johnston Limited's CT600 due?
The CT600 for the period to 29 August 2026 is due at HMRC by 29 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 May 2027.
Is R.S. Johnston Limited still trading?
R.S. Johnston Limited 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 R.S. Johnston Limited do?
R.S. Johnston Limited is registered under Repair of electronic and optical equipment (SIC 33130); Other specialised construction activities n.e.c. (SIC 43999).
How old is R.S. Johnston Limited?
R.S. Johnston Limited was incorporated on 27 July 2020, 6 years ago.
What is the penalty if R.S. Johnston Limited 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 R.S. Johnston Limited 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.