Pardot is a marketing automation platform that enables organizations to create automations and campaigns, personalize emails, track website behavior and build custom forms. CompanyHub is a cloud-based relationship management system that helps simplify sales processes, making it easier to close deals and increase sales. The two programs serve different functions for businesses. Pardot is designed for automated marketing and lead generation, while CompanyHub is designed for relationship management and sales enablement. They can be integrated to support each other and provide a complete platform for customer relationship management and marketing automation.