The default recommendation for most small businesses, and the reason is the free tier: contacts, deals, email tracking and basic pipelines at no cost, with no hard seat limit. You can run a real sales process on it before paying a cent, which is why so many teams start here and never leave.
The catch is the upsell. The free CRM is the on-ramp to HubSpot's paid marketing, sales and service hubs, and the price climbs quickly once you want automation, reporting or higher limits. For a small team that mostly needs to stop losing leads in a spreadsheet, it is hard to argue with free.
