Assembly AI App Builder & Client Portal

Create remarkable client experiences. CRM, client portal, payments, tasks, contracts & more — with an AI app builder that works for you.

Assembly is the AI-powered platform for professional service firms. It replaces a patchwork of point tools with one place to run client work — so clients get a clean, branded portal for tasks, payments, messages, files, contracts, and forms, and your team runs on a simple CRM with AI powered app building features. The result: faster onboarding, improved retention, and happier clients. 

Assembly also fits the stack you already use. Embed Calendly, Airtable, and 1,000s of other products, connect Zapier/Make and webhooks, or build Custom Apps with our API so your workflow drives the software, not the other way around. Trusted by 1,000+ businesses serving 1M+ clients. SOC 2 Type II and HIPAA. Start a 14-day trial at assembly.com.