- Companies
- Plumbers and heating engineers
- Ballymoney
- Jamison's Mechanical Services Limited
Jamison's Mechanical Services Limited
- Company number
- NI641075
- Incorporated
- 27 Sep 201610 years trading
- Registered office
- 6A Clontyfinnan Road, Armoy, Ballymoney, County Antrim, BT53 8TW
- Nature of business
- Plumbing, heat and air-conditioning installation
Jamison's Mechanical Services Limited is a 10-year-old private limited company registered in Ballymoney, company number NI641075, one of 5 plumbing and heating companies in Ballymoney. Its next accounts are due at Companies House on 5 October 2027, and the CT600 for the period to 5 January 2027 is due at HMRC on 5 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Jamison's Mechanical Services LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £30K (+7.4%) on the year before, to £436K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £614K against £234K owed within a year: 2.6 times cover.
- 9 employees on average, up from 4 the year before.
- Balance sheets on record for 9 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 5 Jan 2026 | £436K | £331K | £614K | £234K | 9 |
| 5 Jan 2025 | £406K | £314K | £546K | £187K | 4 |
| 5 Jan 2024 | £403K | £371K | £598K | £236K | 6 |
| 5 Jan 2023 | £317K | £233K | £480K | £204K | 6 |
| 5 Jan 2022 | £319K | £764K | £428K | 6 | |
| 5 Jan 2021 | £338K | £515K | £199K | 6 | |
| 5 Jan 2020 | £278K | £239K | £478K | £242K | 6 |
| 5 Jan 2019 | £157K | £137K | £346K | £212K | |
| 5 Jan 2018 | £65K | £119K | £230K | £184K |
Where Jamison's Mechanical Services Limited is registered
The registered office is in Ballymoney (BT53), in the Causeway Coast and Glens local authority area, Northern Ireland. Show BT53 8TW on a map.
Other trade companies in BT53
- Causeway Autos LtdMotor traders
- Rbupvc LtdJoiners and carpenters
- DC Construction & Architectural Joinery LimitedBuilders
- Jack McCaughern Trade Sales LtdMotor traders
- JS Windscreens LimitedMechanics and garages
- Wall-Lec LtdElectricians
- Moto Blast & Parts Refurb NI LtdMechanics and garages
- Agri Build N.I. LimitedSpecialist contractors
What happens if Jamison's Mechanical Services 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 5 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Oct 2027 to 5 Nov 2027 | £150 |
| 1 to 3 months late | 6 Nov 2027 to 5 Jan 2028 | £375 |
| 3 to 6 months late | 6 Jan 2028 to 5 Apr 2028 | £750 |
| More than 6 months late | From 6 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 6 Jan 2028 | £200 |
| 3 months late | 5 Apr 2028 | another £200 |
| 6 months late | 5 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 5 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
- NI641075
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 September 2016 (10 years ago)
- Registered office
- 6A Clontyfinnan Road, Armoy, Ballymoney, County Antrim, BT53 8TW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 5 January (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 5 January 2026
- Last confirmation statement
- 26 September 2025
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Ballymoney
Other active plumbing and heating companies registered in Ballymoney.
- Maf Plumbing and Heating Limited2022
- Trendline Contracting Limited2019
- DMG Plumbing Services Ltd2015
- Heat & Energy Consulting Limited2021
All plumbing and heating companies in Ballymoney · All trades in Ballymoney · Plumbers and heating engineers across the UK
Frequently asked questions
When are Jamison's Mechanical Services Limited's accounts due?
Jamison's Mechanical Services Limited's next accounts are due at Companies House by 5 October 2027 (in 357 days), covering the period to 5 January 2027.
When is Jamison's Mechanical Services Limited's CT600 due?
The CT600 for the period to 5 January 2027 is due at HMRC by 5 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 6 October 2027.
Is Jamison's Mechanical Services Limited still trading?
Jamison's Mechanical Services Limited is listed as active on the Companies House register (checked 12 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 Jamison's Mechanical Services Limited do?
Jamison's Mechanical Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Jamison's Mechanical Services Limited?
Jamison's Mechanical Services Limited was incorporated on 27 September 2016, 10 years ago.
What is the penalty if Jamison's Mechanical Services 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 Jamison's Mechanical Services Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.