- Companies
- Plumbers and heating engineers
- Inverurie
- Mark Mowat Plumbing & Heating Services Ltd.
Mark Mowat Plumbing & Heating Services Ltd.
- Company number
- SC270305
- Incorporated
- 6 Jul 200422 years trading
- Registered office
- The Old Farmhouse, Kirkton of Bourtie, Inverurie, Aberdeenshire, AB51 0JS
- Nature of business
- Plumbing, heat and air-conditioning installation
Mark Mowat Plumbing & Heating Services Ltd. is a 22-year-old private limited company registered in Inverurie, company number SC270305, one of 15 plumbing and heating companies in Inverurie. 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 £5,175 (+17%) on the year before, to £36K.
- Net assets rose in 7 of 8 year-on-year comparisons on record.
- Current assets of £35K against £31K 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 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £36K | £13K | £35K | £31K | 0 |
| 31 Aug 2024 | £30K | £51 | £23K | £25K | 2 |
| 31 Aug 2023 | £22K | £12K | £22K | £27K | 2 |
| 31 Aug 2022 | £20K | £16K | £24K | £24K | 2 |
| 31 Aug 2021 | £16K | £7,348 | £21K | £28K | 2 |
| 31 Aug 2020 | £314 | £97 | £18K | 2 | |
| 31 Aug 2019 | £20K | £9,277 | £25K | £23K | |
| 31 Aug 2018 | £17K | £14K | £30K | £25K | |
| 31 Aug 2017 | £9,311 | £363 | £15K | £20K |
Where Mark Mowat Plumbing & Heating Services Ltd. is registered
The registered office is in Inverurie (AB51), in the Aberdeenshire local authority area, Scotland. Show AB51 0JS on a map.
Other trade companies in AB51
- Bennachie Woodworks LtdInstallers
- Macnish Electrical LimitedMachinery repair and installation
- CFB Asset Support LtdMachinery repair and installation
- Everyday Motors Aberdeen LtdMotor traders
- Moto Mania Parts LtdMotor traders
- Lochter Exteriors LtdCleaning companies
- Temptations 2 LimitedSpecialist contractors
- Innovative Paint Protection Solutions LtdMotor traders
What happens if Mark Mowat Plumbing & Heating Services 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
- SC270305
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 July 2004 (22 years ago)
- Registered office
- The Old Farmhouse, Kirkton of Bourtie, Inverurie, Aberdeenshire, AB51 0JS
- 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
- 6 July 2026
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 Inverurie
Other active plumbing and heating companies registered in Inverurie.
- MFS Plumbing & Heating Specialists Limited2005
- Myplumb Ltd2024
- P Booth Plumbing and Heating Ltd2019
- Rainbow Plumbing and Heating Ltd2020
- Renewable Heating Systems Limited2020
- Sharp Plumbing & Heating Solutions Ltd2026
- Stuart Murrison Plumbing and Heating Ltd2022
- Battz Ltd2025
All plumbing and heating companies in Inverurie · All trades in Inverurie · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mark Mowat Plumbing & Heating Services Ltd.'s accounts due?
Mark Mowat Plumbing & Heating Services 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 Mark Mowat Plumbing & Heating Services 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 Mark Mowat Plumbing & Heating Services Ltd. still trading?
Mark Mowat Plumbing & Heating Services 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 Mark Mowat Plumbing & Heating Services Ltd. do?
Mark Mowat Plumbing & Heating Services Ltd. is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mark Mowat Plumbing & Heating Services Ltd.?
Mark Mowat Plumbing & Heating Services Ltd. was incorporated on 6 July 2004, 22 years ago.
What is the penalty if Mark Mowat Plumbing & Heating Services 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 Mark Mowat Plumbing & Heating Services 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.