- Companies
- Electricians
- Quartz Electrical & Mechanical Services Limited
Quartz Electrical & Mechanical Services Limited
- Company number
- 03229302
- Incorporated
- 24 Jul 199630 years trading
- Registered office
- Thornton House, Brighouse Business Village, Riverside Park Middlesbrough, Cleveland, TS2 1RT
- Nature of business
- Electrical installation
Quartz Electrical & Mechanical Services Limited is a 30-year-old private limited company registered in Riverside Park Middlesbrough, company number 03229302, one of the UK's electrical contractors. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £2,703 (+0.4%) on the year before, to £623K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £1.3M against £879K owed within a year: 1.5 times cover.
- 37 employees on average, down from 39 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 Dec 2025 | £623K | £310K | £1.3M | £879K | 37 |
| 31 Dec 2024 | £620K | £817K | £1.8M | £1.4M | 39 |
| 31 Dec 2023 | £719K | £1.1M | £2.2M | £1.7M | 43 |
| 31 Dec 2022 | £710K | £1.1M | £2.1M | £1.4M | 39 |
| 31 Dec 2021 | £662K | £946K | £1.9M | £1.2M | 38 |
| 31 Dec 2020 | £490K | £337K | £1.4M | £920K | 35 |
| 31 Dec 2019 | £624K | £229K | £1.7M | £1.2M | 42 |
| 31 Dec 2018 | £564K | £363K | £1.7M | £1.2M | 41 |
| 31 Dec 2017 | £508K | £734K | £2M | £1.6M | 47 |
| 31 Dec 2016 | £841K | £229K | £1.9M | £1.1M | 46 |
Public contracts won
Quartz Electrical & Mechanical Services Limited has 28 public sector contract awards on record; the ones with their own published value total £2M, from 2015 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. 10 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Middlesbrough Council11 awards
- Stockton Borough Council6 awards
- Redcar & Cleveland Borough Council5 awards
- Stockton on Tees Borough Council2 awards
- Hartlepool Borough Council1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Stockton on Tees Borough Council | SBC Minor Works Framework | Ceiling, not shown | 30 Sep 2026 |
| Hartlepool Borough Council | Horizon School Heating Project (Phase 2/2) | £99K | 24 Jul 2026 |
| Stockton on Tees Borough Council | Billingham Youth & Community Centre - Replacement Heating Plant & Controls | 15 May 2025 | |
| Stockton-On-Tees Borough Council | Boiler Plant Replacement at Mill Lane Primary School | £102K | 13 May 2025 |
| Middlesbrough Council | Berwick Hills School - Boiler Replacement Works | £193K | 29 Sep 2024 |
| Stockton Borough Council | DN730018 - Clarences Community Centre - Boiler Plant Replacement. | £32K | 24 Jul 2024 |
| Middlesbrough Council | Holmwood School - Hall Works | £41K | 24 Jul 2024 |
| Middlesbrough Borough Council | RC004 2023 Responsive Maintenance and Minor Works | Ceiling, not shown | 3 May 2024 |
| Middlesbrough Council | Dorman Museum - Rewire Project | £130K | 1 Dec 2023 |
| Middlesbrough Council | Berwick Hills Primary School - Underfloor Heating Remedial Works | £35K | 12 Sep 2023 |
Showing the 10 most recent of 28.
Where Quartz Electrical & Mechanical Services Limited is registered
The registered office is in Riverside Park Middlesbrough (TS2), in the Middlesbrough local authority area, North East. Show TS2 1RT on a map.
Other trade companies in TS2
- Preston Newlove Properties LtdFinishing trades
- T Car Fix LimitedMechanics and garages
- Flo Construction Ne LimitedSpecialist contractors
- Prestige Auto Spa LtdMechanics and garages
- S & T Autos LtdMechanics and garages
- Beyond Access LimitedSpecialist contractors
- Apex Motor Works LtdMechanics and garages
- Darkperformance LtdMotor traders
What happens if Quartz Electrical & 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 03229302
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 July 1996 (30 years ago)
- Registered office
- Thornton House, Brighouse Business Village, Riverside Park Middlesbrough, Cleveland, TS2 1RT
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 12 August 2026
- Charges (mortgages)
- 2 outstanding of 5 registered
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
Other active electrical contractors.
Frequently asked questions
When are Quartz Electrical & Mechanical Services Limited's accounts due?
Quartz Electrical & Mechanical Services Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Quartz Electrical & Mechanical Services Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Quartz Electrical & Mechanical Services Limited still trading?
Quartz Electrical & Mechanical Services 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 Quartz Electrical & Mechanical Services Limited do?
Quartz Electrical & Mechanical Services Limited is registered under Electrical installation (SIC 43210).
How old is Quartz Electrical & Mechanical Services Limited?
Quartz Electrical & Mechanical Services Limited was incorporated on 24 July 1996, 30 years ago.
Has Quartz Electrical & Mechanical Services Limited won public sector contracts?
Yes. Quartz Electrical & Mechanical Services Limited has 28 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £2M), most recently from Stockton on Tees Borough Council.
What is the penalty if Quartz Electrical & 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 Quartz Electrical & Mechanical Services 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.