- Companies
- Plumbers and heating engineers
- Doncaster
- JMS Mechanical Services (Yorkshire) Ltd
JMS Mechanical Services (Yorkshire) Ltd
- Company number
- 08187846
- Incorporated
- 22 Aug 201214 years trading
- Registered office
- 22 Lower Pasture, Blaxton, Doncaster, DN9 3RF
- Nature of business
- Plumbing, heat and air-conditioning installation
JMS Mechanical Services (Yorkshire) Ltd is a 14-year-old private limited company registered in Doncaster, company number 08187846, one of 150 plumbing and heating companies in Doncaster. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 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 up £29K (+28.2%) on the year before, to £133K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £174K against £51K owed within a year: 3.4 times cover.
- 4 employees on average, up from 3 the year before.
- 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 |
|---|---|---|---|---|---|
| 31 Aug 2025 | £133K | £69K | £174K | £51K | 4 |
| 31 Aug 2024 | £104K | £48K | £178K | £87K | 3 |
| 31 Aug 2023 | £129K | £103K | £149K | £42K | 3 |
| 31 Aug 2022 | £119K | £55K | £153K | £74K | 3 |
| 31 Aug 2021 | £209K | £154K | £245K | £59K | 3 |
| 31 Aug 2020 | £147K | £173K | £218K | £98K | 3 |
| 31 Aug 2019 | £6,195 | £41K | £59K | 4 | |
| 31 Aug 2018 | £5,460 | £99K | £105K | ||
| 31 Aug 2017 | £6,769 | £99K | £105K | ||
| 31 Aug 2016 | -£9,968 | £32K | £50K |
Who runs and owns JMS Mechanical Services (Yorkshire) Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| K*** S*** | Director | Aug 2012 |
Person with significant control
Where JMS Mechanical Services (Yorkshire) Ltd is registered
The registered office is in Doncaster (DN9), in the Doncaster local authority area, Yorkshire and The Humber. Show DN9 3RF on a map.
Other trade companies in DN9
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- Misterton Meadows LimitedProperty developers
- Misterton Paddock LimitedProperty developers
- Messingham Fields LimitedProperty developers
- G - Elite Aircraft Detailing LtdCleaning companies
- Epworth Flooring LtdFloor and wall tilers
- Josif Sales LtdMechanics and garages
- RM Home Renovations LtdFloor and wall tilers
What happens if JMS Mechanical Services (Yorkshire) 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 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
- 08187846
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 August 2012 (14 years ago)
- Registered office
- 22 Lower Pasture, Blaxton, Doncaster, DN9 3RF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 22 August 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 Doncaster
Other active plumbing and heating companies registered in Doncaster.
- JTP Plumbing & Heating Doncaster Ltd2023
- K G Doncaster Plumbing Ltd2021
- K Green Services Limited2019
- Kassgas Limited2019
- KB Mechanical Ltd2020
- Kelly's Boilers & Gas Services Ltd2026
- Kelly's Energy Efficiency Specialists Limited2014
- Kelly's Plumbing & Bathrooms Ltd2026
All plumbing and heating companies in Doncaster · All trades in Doncaster · Plumbers and heating engineers across the UK
Frequently asked questions
When are JMS Mechanical Services (Yorkshire) Ltd's accounts due?
JMS Mechanical Services (Yorkshire) Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is JMS Mechanical Services (Yorkshire) Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is JMS Mechanical Services (Yorkshire) Ltd still trading?
JMS Mechanical Services (Yorkshire) Ltd is listed as active on the Companies House register (checked 13 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 JMS Mechanical Services (Yorkshire) Ltd do?
JMS Mechanical Services (Yorkshire) Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is JMS Mechanical Services (Yorkshire) Ltd?
JMS Mechanical Services (Yorkshire) Ltd was incorporated on 22 August 2012, 14 years ago.
Who runs JMS Mechanical Services (Yorkshire) Ltd?
JMS Mechanical Services (Yorkshire) Ltd has 1 active director, the longest-serving appointed in Aug 2012. Their names and service addresses are on the Companies House register.
Who owns JMS Mechanical Services (Yorkshire) Ltd?
One person or company has significant control of JMS Mechanical Services (Yorkshire) Ltd: an individual (owns 75% or more of the shares).
What is the penalty if JMS Mechanical Services (Yorkshire) 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 JMS Mechanical Services (Yorkshire) Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.