Promech Engineering Ltd
In brief
Promech Engineering Ltd is a private limited company incorporated in England and Wales on 18 December 2019. It is 6 years old; 53% of the 6,027 live companies whose main activity is other research and experimental development on natural sciences and engineering are older. Its registered office is in Westhoughton, Bolton, North West, at an address shared with 2 other live companies. 2 live companies in Westhoughton share the same main activity. Its latest accounts were made up to 30 November 2025 and filed as full accounts. It was previously called Castilian 4 Ltd, a name it changed on 8 December 2023, and has had 2 earlier names in all.
Register details
Timeline
Register events, newest first.
- Confirmation statement made up
- Accounts made upFull accounts
- Name changedPreviously Castilian 4 Ltd
- Name changedPreviously Punch International Ltd
- Incorporated
Filings and charges
Deadlines and charge counts from the register.
Charges are security interests (such as mortgages) registered against the company.
Other research and experimental development on natural sciences and engineering in the United Kingdom
Live companies whose main activity is 72190: 6,027 in total, median age 7 years, 758 incorporated in the past 12 months.
Location
Registered office in Westhoughton, Bolton, North West.
Also registered at this address
2 other live companies share this registered office.
- MBMellor Bus Ltd14729062 · Est. 2023 · 70229
- GRGML Real Estate Ltd15320039 · Est. 2023 · 68100
Similar companies
Live companies with the same main activity, nearest first.
Sources
Register data: Companies House, Free Company Data Product, delivery of 1 October 2026. Places: ONS Postcode Directory (Open Government Licence v3.0). Sector names: Eurostat NACE Rev. 2. Context figures are computed by FirmsDB from these sources. This page is not an official register; check the official record before relying on it.