Yes, companies do care about LinkedIn, especially those that are focused on B2B (business-to-business) marketing and recruiting. LinkedIn has become an important platform for businesses to establish their brand presence, showcase their products or services, and connect with potential customers or partners. Companies also use LinkedIn to post job openings, find potential employees, and screen candidates. Therefore, having a strong presence on LinkedIn can be very beneficial for businesses in terms of building their reputation and increasing their reach.