Mailchimp

Mailchimp is an all-in-one marketing platform that handles email campaigns, landing pages, signup forms, social media posts and paid ads, marketing automation, audience segmentation, and analytics from a single account. Its templates and drag-and-drop editor are built for people without design or coding skills, and it includes AI tools for writing email copy and subject lines.

A free plan covers core tools such as email marketing for up to 500 contacts, basic automations, landing pages and signup forms. Paid plans add SMS marketing, advanced automation, A/B testing and custom domains. Support is available 24/7, and paid customers can get guided help from an onboarding specialist. The company's main office is at 405 N Angier Ave. in NE Atlanta.