1. Visit the official JPJ website.
2. Click on "Vehicle Ownership" services, and then select "Vehicle Owner Details".
3. Enter the vehicle registration number and click "Search".
4. The vehicle owner's details will be displayed, including name, address, contact details, and vehicle details.
To check the ownership of a company, you can visit the Suruhanjaya Syarikat Malaysia (SSM) website and perform a quick search by company name or registration number.