AI-Powered Assistant

Never Miss Another Call From a Ready-to-Book Customer

Built for contractors, plumbers, HVAC, roofers, and local service businesses that can't answer every call. CallSub AI answers for you, talks to customers like a real person, and books jobs automatically so you never miss another opportunity.

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14-day money back guarantee

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Built for busy service businesses that can't answer every call

If you're a contractor, plumber, HVAC tech, roofer, moving company, or local business owner, you're not sitting by the phone all day.

The Problem

  • You're on a job and can't answer incoming calls
  • Calls come in while you're driving or busy
  • Customers don't leave voicemails, they just move on
  • You miss peak hours when calls are coming in the most
  • You know you're losing jobs, but there's nothing you can do

And every one of those missed calls is a customer going straight to your competitor.

The Solution

  • CallSub AI answers every call for you, instantly
  • It talks to your customers like a real human, answers their questions, and books appointments automatically
  • Whether you're on a job, after hours, or just busy, your business is still capturing every lead

Start CallSub AI today and capture every call, book more customers automatically, and stop leaving money on the table.

Setup CallSub AI in Less Than 10 Minutes!

Watch our quick setup guide and get started today

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Everything You Need to Never Miss an Appointment

Our AI assistant handles complex conversations, understands context, and books appointments just like your best receptionist would.

Natural Conversations

Handles complex scheduling requests, reschedules, and customer questions with human-like understanding.

Smart Sync

Integrations with 3rd party tools, CRMs, and Calendars for real time data retrieval and analysis.

24/7 Availability

Never miss a booking opportunity. Your AI assistant works around the clock, even on weekends and holidays.

Multi-Language Support

Communicate with customers in their preferred language. Supports 20+ languages with native fluency.

HIPAA Compliant

Enterprise-grade security and compliance. Perfect for healthcare, legal, and other regulated industries.

Mobile and Desktop Apps

CallSub mobile and desktop applications that help team members triage and process calls depending on their priority and category for optimal workflow management.

Now Available on Mobile

Manage Your AI Assistant On The Go

Download the CallSub AI mobile app and stay connected to your business from anywhere. Monitor calls, review summaries, and manage appointments right from your phone.

CallSub AI App - Recent Messages
CallSub AI App - Call Summary

Get Started Today

  • Real-time call notifications and summaries
  • Manage appointments and calendar sync
  • Access call analytics and insights
  • Available for iOS and Android
Download on the App StoreGet it on Google Play

What Our Customers Are Saying

Real results from real service businesses

"Before using CallSub AI, we were missing calls all the time while out on jobs. I didn't realize how many customers we were losing until we turned this on. Now every call gets answered and we're booking way more work without hiring anyone."

JM

Jake M.

Plumbing Company Owner

"I run a small HVAC business and most of my day is spent in the field. I can't be on the phone all of the time. It handles incoming calls, and books jobs for us. It honestly feels like we added a full-time employee. Thank you again."

DR

Daniel R.

HVAC Business Owner

"We used to miss calls during peak hours and after hours, and those were always the customers ready to book. Now everything gets answered instantly. It's helped us capture way more jobs without changing anything else."

MT

Marcus T.

Roofing Contractor

"As a moving company, we get a ton of calls throughout the day and we just couldn't keep up. CallSub AI made a huge difference. 10/10."

CK

Cameron K.

Moving Company Owner

Custom Pricing for Your Business

Every business is unique. Let us create a pricing plan that perfectly fits your specific needs and budget.

✓ 14-Day Money Back Guarantee

Small Business

$67/month
  • Email support
  • Get call summaries through email and SMS
  • Call Analytics
  • Access to iOS and Android Call Monitoring App
  • Access to Web Dashboard
  • *You don't pay for SPAM calls
✓ 14-Day Money Back Guarantee
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Medium & Large Business

  • Cutomized mins/month or calls
  • Access to Call Manager Desktop Application
  • Access to iOS and Android Call Monitoring App
  • Access to Web Dashboard
  • Advanced calendar integration
  • User Access Auditing
  • Secure Login using Two-Factor Authentication
  • Multi-User Account Access
  • Phone & email support
  • Premium AI voice options
  • Data Analytics
  • Dedicated AI System Prompt Engineering
  • Dedicated account manager
  • Outbound Campaigns (add-on)
  • HIPAA compliance (add-on)
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1) SPAM calls are defined as call durations less than 20 secs.

2) Small Business calls are limited to 4 minutes per call.

Also available: CallSub Healthcare AI for Medical Practices