- Companies
- Electricians
- Stockton-on-Tees
- Marshall Clean Heat and Power Ltd
Marshall Clean Heat and Power Ltd
- Company number
- 06696717
- Incorporated
- 15 Sep 200818 years trading
- Registered office
- 3 Diamond Court, Douglas Close, Preston Farm Industrial Estate, Stockton-on-Tees, TS18 3SB
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation
Marshall Clean Heat and Power Ltd is a 18-year-old private limited company registered in Stockton-on-Tees, company number 06696717, one of 121 electrical contractors in Stockton-on-Tees. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £26K (-4.1%) on the year before, to £592K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £1M against £565K owed within a year: 1.8 times cover.
- 20 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £592K | £765K | £1M | £565K | 20 |
| 30 Sep 2024 | £618K | £903K | £1.2M | £701K | 20 |
| 30 Sep 2023 | £467K | £498K | £999K | £561K | 20 |
| 30 Sep 2022 | £369K | £833K | £929K | £534K | 17 |
| 30 Sep 2021 | £211K | £686K | £963K | £649K | 14 |
| 30 Sep 2020 | £82K | £172K | £290K | £160K | 12 |
| 30 Sep 2019 | £56K | £77K | £209K | £192K | |
| 30 Sep 2018 | £40K | £64K | £142K | £137K | |
| 30 Sep 2017 | £41K | £64K | £137K | £123K | |
| 30 Sep 2016 | £44K | £67K | £135K | £106K |
Public contracts won
Marshall Clean Heat and Power Ltd has 6 public sector contract awards on record; the ones with their own published value total £899K, from 2021 to 2026. Source: Contracts Finder and Find a Tender award notices. For 3 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown.
Awards by year
Main buyers
- Stockton on Tees Borough Council2 awards
- Stockton-On-Tees Borough Council1 award
- The Association of North East Councils Limited1 award
- Northumbria University1 award
- Procure Plus Holdings Limited1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Stockton on Tees Borough Council | Mayoral Renewables Fund - Solar Panels for Social Care Buildings | £205K | 21 Jan 2026 |
| Stockton-On-Tees Borough Council | Installation of PV Panels on the roof of Billingham Forum | £347K | 2 Jun 2025 |
| Stockton on Tees Borough Council | Installation of PV Panels on the roof of Billingham Forum | £347K | 22 May 2025 |
| The Association of North East Councils Limited | Retrofit and Decarbonisation Works | Ceiling, not shown | 6 Jan 2023 |
| Northumbria University | T22/0038 - COACH LANE: Coach Lane East - Heat pumps PCSA/D&B | Ceiling, not shown | 7 Nov 2022 |
| Procure Plus Holdings Limited | Framework Agreement for the Supply and Installation of Low and Zero Carbon Technologies | Ceiling, not shown | 9 Nov 2021 |
Where Marshall Clean Heat and Power Ltd is registered
The registered office is in Stockton-on-Tees (TS18), in the Stockton-on-Tees local authority area, North East. Show TS18 3SB on a map.
Other trade companies in TS18
- Teesside Renewables LtdElectricians
- Hartburn Building LtdBuilders
- Priory Landscaping & Driveways LtdLandscapers and gardeners
- Roseberry Access LtdSpecialist contractors
- 786 Fone Repairs LtdRepair services
- Mitchell26T LtdMachinery repair and installation
- Ajb Builders LtdBuilders
- Bespoke Contracts LimitedInstallers
What happens if Marshall Clean Heat and Power 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 06696717
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 September 2008 (18 years ago)
- Registered office
- 3 Diamond Court, Douglas Close, Preston Farm Industrial Estate, Stockton-on-Tees, TS18 3SB
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 15 September 2026
- Previous names
- Marshall & McCourt Plumbing & Heating Contractors Limited (until 2 Apr 2025)
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Stockton-on-Tees
Other active electrical contractors registered in Stockton-on-Tees.
- Marton Electrical Limited1999
- McJe Electrical Ltd2026
- Metlec Ltd2026
- MLD High Voltage Power Services Ltd2025
- MNP (Electrical Services) Limited2002
- Murray Mill Ltd2018
- Mustoe Engineering Ltd2023
- MW Electrical Installations Limited2023
All electrical contractors in Stockton-on-Tees · All trades in Stockton-on-Tees · Electricians across the UK
Frequently asked questions
When are Marshall Clean Heat and Power Ltd's accounts due?
Marshall Clean Heat and Power Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Marshall Clean Heat and Power Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Marshall Clean Heat and Power Ltd still trading?
Marshall Clean Heat and Power 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 Marshall Clean Heat and Power Ltd do?
Marshall Clean Heat and Power Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Marshall Clean Heat and Power Ltd?
Marshall Clean Heat and Power Ltd was incorporated on 15 September 2008, 18 years ago.
Has Marshall Clean Heat and Power Ltd won public sector contracts?
Yes. Marshall Clean Heat and Power Ltd has 6 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £899K), most recently from Stockton on Tees Borough Council.
What is the penalty if Marshall Clean Heat and Power 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 Marshall Clean Heat and Power 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.