| For outreach | For list building |
Normal LinkedIn | Works | Works |
LinkedIn Premium | Suggested | Works |
Sales navigator | Only if you want to do InMails | Best |
For outreach
LinkedIn premium gives your the ability to send messages along with LinkedIn connection requests. LinkedIn sales navigator gives you InMail credits which are messages that can be sent event without being connected to someone.
For list building
LinkedIn Sales Navigator has advanced filtering options to build sharp lists, while LinkedIn Free or Premium have limited filters. You can use any of them to build lists.