CallBooker
AI-powered receptionist that answers 24/7, books appointments instantly, and converts calls into customers.
$4,500
Asking price
31.3x annual revenue
Includes 10% Sidemarket buyer fee
About
CallBooker started from a simple problem: businesses lose money every day because they miss calls.
Most small and medium-sized businesses still rely on human receptionists or voicemail systems that can’t answer 24/7. Missed calls mean lost bookings, frustrated customers, and wasted marketing spend. We saw this especially in industries like salons, clinics, home services, barbershops, and local businesses where every incoming call can turn into revenue.
So we built CallBooker.
CallBooker is an AI-powered phone and chat receptionist platform that answers calls instantly using highly realistic conversational AI. The system can book appointments, answer common questions, filter spam calls, capture leads, and support customers automatically — day and night.
What makes the platform special is how simple and scalable it became over time. Initially, setting up AI agents required manual work and long waiting times. We completely rebuilt the infrastructure into a plug-and-play SaaS platform where customers can create and launch AI agents almost instantly.
The business now includes:
Client dashboard
AI agent management
Booking management
Call logs & analytics
Customer management
Notifications system
Automated workflows
Voice AI integration
Web chat + phone support capabilities
The platform was designed with scalability in mind using modern infrastructure and automation tools. The goal was always to make enterprise-level AI receptionist technology accessible to smaller businesses at affordable pricing.
CallBooker is ideal for a buyer looking to enter the rapidly growing AI automation space with a real SaaS product that solves a clear business problem. The demand for AI receptionists and automated customer handling continues to grow as businesses look to reduce staffing costs while improving responsiveness.
Over the last months, major upgrades were completed including:
Instant AI agent creation
Fully automated onboarding
Improved dashboard experience
Better customer and booking management
Streamlined deployment infrastructure
This is a strong opportunity for:
SaaS operators
AI automation agencies
Voice AI companies
Lead generation businesses
Entrepreneurs looking for a scalable AI product
The foundation has already been built — the next stage is scaling marketing, partnerships, and customer acquisition
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Member since May 2026
$4,500
$12 /mo
Includes 10% Sidemarket buyer fee