- Company number
- 17361363
- Incorporated
- 24 Jul 2026
- Registered office
- 31 the Bye, Consett, DH8 8AJ
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Plumbing, heat and air-conditioning installation; Other construction installation
Promptech Mechanical Ltd is a newly incorporated private limited company registered in Consett, company number 17361363, one of 45 building contractors in Consett. Its next accounts are due at Companies House on 24 April 2028, and its first CT600 is due at HMRC on 23 July 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns Promptech Mechanical Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| I*** P*** | Director | Jul 2026 |
Person with significant control
Where Promptech Mechanical Ltd is registered
The registered office is in Consett (DH8), in the County Durham local authority area, North East. Show DH8 8AJ on a map.
Other trade companies in DH8
- Tyneside Truck Services LtdMechanics and garages
- Machine Service Solutions LtdMachinery repair and installation
- Ag Motors Ne LimitedMotor traders
- SWS Scaffolding Ne LimitedScaffolders
- GH Management and Operator Services North East LtdSpecialist contractors
- Avana Property Solutions LimitedProperty developers
- Kee Home Solutions LtdJoiners and carpenters
- Wilkinson Roofing Ne LimitedRoofers
What happens if Promptech Mechanical 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 24 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Apr 2028 to 24 May 2028 | £150 |
| 1 to 3 months late | 25 May 2028 to 24 Jul 2028 | £375 |
| 3 to 6 months late | 25 Jul 2028 to 24 Oct 2028 | £750 |
| More than 6 months late | From 25 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17361363
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 July 2026
- Registered office
- 31 the Bye, Consett, DH8 8AJ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Consett
Other active building contractors registered in Consett.
- Ray Lambert Building Services Limited2011
- RD & S Harrison Ltd2020
- S & D Commercial Solutions Limited2026
- S Thompson Groundwork’S Ltd2025
- Tanfield Groundworks Limited2012
- Taylor Made Building Ne Ltd2026
- Tron Construction Group Limited2025
- Tron Ground Works Limited2025
All building contractors in Consett · All trades in Consett · Builders across the UK
Frequently asked questions
When are Promptech Mechanical Ltd's accounts due?
Promptech Mechanical Ltd's next accounts are due at Companies House by 24 April 2028 (in 559 days), covering the period to 31 July 2027.
When is Promptech Mechanical Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 23 July 2027, due by 23 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Promptech Mechanical Ltd still trading?
Promptech Mechanical 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 Promptech Mechanical Ltd do?
Promptech Mechanical Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is Promptech Mechanical Ltd?
Promptech Mechanical Ltd was incorporated on 24 July 2026, less than a year ago.
Who runs Promptech Mechanical Ltd?
Promptech Mechanical Ltd has 1 active director, the longest-serving appointed in Jul 2026. Their names and service addresses are on the Companies House register.
Who owns Promptech Mechanical Ltd?
One person or company has significant control of Promptech Mechanical Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Promptech Mechanical 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 Promptech Mechanical 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.