EngageSmart, Inc. provides vertically-tailored customer engagement and integrated payments solutions. The company operates through Enterprise Solutions and SMB Solutions segments. The Enterprise Solutions segment offers SaaS solutions to customer-client engagement through electronic billing and digital payments. The SMB Solutions segment provides end-to-end practice management solutions to health and wellness industry. It also offers SimplePractice, an end-to-end practice management and electronic health record platform that manages the practices, which enables virtual and in-person settings, schedule appointments, document cases, and billing and payment processing, as well as insurance claim processing; and InvoiceCloud, an electronic bill presentment and payment solution for government, utility, financial services customer digitize billing, client communications, and collections. In addition, the company provides HelathPay24, a patient engagement and payment platform for health systems, physician groups, dental practices, and medical billers, including patient self-pay collections; and DonorDrive, a fundraising platform for non-profits, healthcare organizations, and higher educational institutions, which produce virtual events, launch branded donation camping, and peer-to-peer fundraising. EngageSmart, Inc. was incorporated in 2018 and is headquartered in Braintree, Massachusetts.