Retell AI builds the most natural-sounding AI voice agents on the market — but only when configured correctly. We handle every step: voice selection, conversation scripting, latency tuning, knowledge base loading, and live QA testing. Your agent goes live in 5 days sounding like a human, not a robot.
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Retell AI
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Retell AI
These are the exact reasons businesses come to us after trying to set up Retell AI on their own — or after being burned by a cheap build.
Retell AI has outstanding voice quality — but only when configured right. Wrong voice model, bad latency settings, or a clumsy prompt and callers immediately know it's AI. They disengage before it can book anything.
Turn-taking and interruption handling are Retell AI's biggest technical advantages — but they only work when tuned. Out of the box, with default settings, the conversation feels mechanical and frustrating.
Traditional answering services can't book appointments, can't answer questions about your specific services, and don't connect to your CRM. You're paying for call coverage but getting no value beyond a basic message-taking service.
A customer calls at 7pm to book an appointment. They get voicemail. They try the next business on the list. You never hear from them again. Every after-hours call without AI coverage is a booking that went to your competitor.
Retell AI built right sounds like a real person, books appointments in real-time, and covers every call 24/7. Here's how we build it.
We audit your use case, set up your Retell AI account and phone number, engineer the voice and conversation prompt, load your knowledge base and connect your calendar and CRM, then run 15–20 live test calls before go-live. Average: 4–5 days, completely done for you.
We review your use case, call volume, current phone setup, and what the agent needs to do — book appointments, answer questions, qualify leads, or all three.
Retell AI workspace configured, phone number provisioned or ported, billing set up, and all API keys secured in your account — owned by you, not us.
Voice model chosen and tested for your brand, conversation script written with natural turn-taking, objection handling, and booking logic built in.
FAQs, services, hours, and policies loaded into the knowledge base. Calendar and CRM integrations connected so the agent books appointments in real-time.
15–20 live test calls across different scenarios. Latency tuned, edge cases handled, voice naturalness verified — then go-live with 30-day support.
Account and workspace setup, phone number provisioning, voice selection and latency tuning, custom prompt engineering, knowledge base loading, calendar and CRM integration, 15–20 live QA test calls and 30-day post-launch support. You don't touch a single Retell AI config screen.
Every build is fully custom — voice, script, and knowledge base written for your specific business. Not a template, not a recycled prompt from another client.
Answers every call naturally, handles FAQs, and books appointments — whether it's 2pm on a Tuesday or midnight on a Sunday.
Checks your calendar in real-time and confirms the booking before hanging up. SMS confirmation sent instantly — no follow-up needed.
Handles questions about services, pricing ranges, hours, location, insurance, and more — pulled from your custom knowledge base.
Calls patients or clients with appointment reminders, reconfirmation requests, and no-show follow-ups — fully automated.
Screens inbound callers with qualifying questions before routing the most valuable leads to your sales team via warm transfer.
Qualifies the caller, briefs your team on what was discussed, then connects the caller — so your team picks up already knowing the context.
Yes, if you want 24/7 coverage that books appointments. A human receptionist covers business hours and one call at a time; an answering service just takes messages from generic scripts. A properly built Retell AI agent answers every call, books live and connects to your CRM. Humans still win on calls needing judgment throughout.
Watch what clients say after their Retell AI agent goes live — in their own words.
Every review below is verified by Trustpilot, Upwork or Fiverr — third-party platforms where reviews cannot be faked, edited, or removed.
“I have found the team at Automate responsive to all requests, changes and the turn around time to provide services were quite quick. They are GHL experts and it has shown. They provided us a Lead Generation System. This started slow for the first 2 weeks, which is normal, however, now we cannot keep up with the leads coming in everyday. This is a good problem to have. I would recommend them to anyone who is looking to scale.”View original Trustpilot screenshot
“Really great from Abdullah at Automatex360, He was very inquisitive to know exactly I wanted to have built and was very promptly with what he was working on, in a week an a half I had my project pretty much complete. Great work!”View original Trustpilot screenshot
“We've been working with Abdullah on a monthly GoHighLevel retainer, and he's been fantastic. He consistently delivers high-quality work, communicates clearly, and is always proactive with improvements. From automations and CRM setup to funnels and AI integrations, everything has been handled professionally. Highly recommended for anyone looking for a reliable GHL expert.”View original Trustpilot screenshot
“If you're looking for quality service, 24/7 support, someone knowledgable and someone that gets you results, this is your guy. Highly recommend.”View original Upwork screenshot
“Working with Abduallah was a great experience. He was very responsive and took care of what I needed right away with email mirgration from Hostinger to Microsoft Exchange. I will…”View original Upwork screenshot
“Excellent - Great experience!”View original Upwork screenshot
“Very responsive, completed everything as agreed. I would use Abdullah again.”View original Upwork screenshot
“Set up and fixed my GoHighLevel + Make review-SMS automation end-to-end. Stabilized my GHL→Make→SMS flow and delivered a clean handover. Hassan was fast, responsive, and solution-oriented. Clear communication, quick fixes, and smooth delivery. Great experience — would hire again.”View original Upwork screenshot
“impressive work. I would 100% recommend you to work with him. FAST and attentive to the details I specifically requested.”View original Upwork screenshot
“great highlevel expert! very responsive and timely. tremendous partner.”View original Upwork screenshot
“Went above and beyond for the task”View original Upwork screenshot
“Hassan did an outstanding job setting up my email drip campaign in Go High Level. He quickly understood the goals of my lead nurturing strategy and implemented a well-structured sequence of follow-up emails that felt professional, personalized, and perfectly timed. Communication was smooth, deadlines were met, and the quality of work exceeded expectations. I highly recommend him to anyone looking for marketing automation done right!”View original Upwork screenshot
“I am incredibly impressed with the quality of work provided by Abdullah Hassan! From start to finish, the communication was clear, professional, and timely. They delivered exactly what I was looking for and went above and beyond to ensure that all my requirements were met. The final product exceeded my expectations — the attention to detail and creativity truly stood out. What I appreciated most was the quick turnaround time without compromising quality. The level of dedication and expertise is evident in every aspect of their work. If you're looking for WordPress site, look no further! I highly recommend Abdullah Hassan and will definitely be coming back for future projects. Thank you so much!”View original Fiverr screenshot
“My second time working with Hassan. He always delivers quality work, I highly recommend him.”View original Fiverr screenshot
“This is my second time working with Hassan and I'm happy with the results. Thank you!!”View original Fiverr screenshot
“Hassan was very straight forward in communicating. His response time is very fast and he got my work done for me even faster. He does a good job.”View original Fiverr screenshot
“Very Fast, thank you!”View original Fiverr screenshot
DIY Retell AI configs and cheap freelancers rarely deliver voice quality worth keeping. Here's the honest comparison.
| DIY Retell AI | Cheap Freelancer | Best Choice AutomateX360 |
|
|---|---|---|---|
| Time to working agent | Weeks of trial and error | 1–3 weeks, often incomplete | 5 days, fully tested |
| Voice naturalness | Default settings, robotic feel | Template voice, untested latency | Custom-tuned, natural conversation |
| Turn-taking & interruptions | Default — talks over or pauses badly | Rarely tuned correctly | Specifically optimized per use case |
| Knowledge base quality | Generic prompt, no business specifics | Basic template | Your services, FAQs, and objections loaded |
| Calendar booking | Complex to configure alone | Often missing or broken | Live booking, tested in every build |
| QA before launch | You find issues when callers complain | Rarely tested on real calls | 15–20 real test calls before go-live |
| Post-launch support | You debug it alone | Gone after delivery | 30 days included |
Dental and medical offices, HVAC and home services, real estate and mortgage, law firms, med spas, restaurants and hospitality, auto dealerships, and insurance and finance. Every setup is built around how that industry's callers actually talk — what they ask, how they book, and what keeps them on the line.
Don't see your industry? We've built Retell AI in 20+ verticals. Book a free audit — we'll tell you if Retell AI is the right fit for your call type.
Retell AI is purpose-built for conversational naturalness — its handling of interruptions, pauses, and turn-taking is closer to a real human conversation than most competing platforms. It's our top recommendation for inbound customer-facing roles where callers shouldn't immediately know they're talking to AI. The difference is obvious the first time you hear it on a live call.
Most Retell AI setups go live in 5 days. Timeline: audit call and planning (day 1), account and phone number setup (days 1–2), voice model selection and prompt engineering (days 2–3), knowledge base loading (days 3–4), QA test calls and refinement (days 4–5), then go-live. Setups with CRM integration may take 7–10 days.
No — we provision a new local or toll-free number as part of the setup. If you want to use an existing business number, we can port it into Retell AI during the build. Either way, the number is yours — it stays in your account permanently, not tied to AutomateX360.
Yes. We configure Retell AI to check calendar availability in real-time and book the appointment before ending the call — no hold, no callback, no form to fill out. It works with GoHighLevel, Google Calendar, Calendly, and most other scheduling platforms. The caller gets an SMS confirmation the moment the booking is confirmed.
Retell AI wins on voice naturalness and fast deployment — best for inbound reception, customer service, and appointment booking where callers hear the agent directly. Vapi AI wins on developer flexibility and deep GHL webhook integration for high-volume outbound and complex custom flows. We build both and make the recommendation on your free audit.
With Retell AI properly configured — right voice, good prompt, tuned latency — most callers don't realize they're talking to AI on a standard call. For businesses that prefer transparency, we also set up the agent to disclose it's AI when directly asked, which is both legally correct and builds trust. We QA test for this specifically in every build.
Yes. We connect Retell AI to GoHighLevel via webhooks — call outcomes write back to GHL contacts and pipeline stages, and GHL can trigger outbound Retell AI calls. This integration works well for appointment booking and lead management. For deeper GHL integration with complex outbound flows, our Vapi AI Integration service is a stronger fit.
Every build includes 30 days of post-launch support. We refine the conversation prompt, add missed scenarios, improve latency if needed, and tune the agent based on real call performance data. After 30 days, ongoing optimization retainers are available.
We show you exactly what your Retell AI agent would sound like and do — before you commit to building anything. You'll hear live Retell AI demos built for businesses in your industry.
Not a sales rep. The person who personally built 100+ voice AI systems runs every audit call himself — so the Retell AI plan you leave with is based on real production experience, not a sales pitch.
Retell AI answers every call — after hours, on weekends, while you're in the middle of another appointment. Book your free audit and hear exactly what your agent will sound like before you build anything.
Book Free Retell AI Audit