EngageSmart, Inc, formerly EngageSmart, LLC, is a provider of vertically-tailored customer engagement software and integrated payments. It offers single instance, multi-tenant Software-as-a-Service (SaaS) solutions. It operates in two segments: Enterprise Solutions and SMB Solutions. It serves both customers in the SMB Solutions segment and in the Enterprise Solutions segment across five core verticals: health and wellness, government, utilities and financial services. Its solutions are purpose-built for each vertical it serves, including business management software, customer engagement applications, and billing and payment solutions. The Enterprise Solutions segment provides SaaS solutions that simplify customer-client engagement through electronic billing and digital payments. The SMB Solutions segment provides end-to-end practice management solutions geared toward the health and wellness industry. Its SaaS solutions include SimplePractice, InvoiceCloud, HealthPay24, and DonorDrive.