HubSpot is an inbound marketing and sales platform with over 31,000 customers globally. It provides tools to attract visitors through content marketing, engage audiences across social media, and convert leads with a free trial and other offers. HelpScout is a web-based customer service help desk that aims to improve customer experience. It focuses on SEO and blog content to attract customers and uses email marketing to close sales but offers fewer free tools than HubSpot. Both companies follow an inbound marketing methodology and focus on content, social media, and conversations to engage audiences at different stages.