# Hadal > Parent site for businesses of HADAL INSTRUMENTS LTD (company number 17382774, registered in England and Wales). This site does not sell products or services; it names the legal parent and links to each business. ## Pages - [Hadal group](https://hadalgroup.co.uk/): the parent home - [Companies](https://hadalgroup.co.uk/companies/): businesses under Hadal Instruments Ltd - [Legal](https://hadalgroup.co.uk/legal/): registered details and contact ## Businesses - [Medusa by Hadal Instruments](https://hadalmedusa.com/): web, search and measurement studio - [Hadal Instruments](https://hadalinstruments.com/): measurement instruments for trading’s claims ## Legal - Registered name: HADAL INSTRUMENTS LTD - Company number: 17382774 - Companies House: https://find-and-update.company-information.service.gov.uk/company/17382774