At Cream Digital, we build AI infrastructures designed to help businesses scale efficiently. Specializing in custom AI voice agents and Conversational AI avatars, we handle key tasks like customer service, HR, project management, lead qualification, and inbound sales. Our tailored API integrations and automations streamline operations, freeing business owners to focus on growth. With a consultative approach, we work with businesses to increase their revenue, by identifying bottlenecks and applying AI where it delivers the most impact.

Legacy AI is a custom development Voice AI agency specialising in building chat and voice AI agents. As a team of 8 talented AI Engineers, we've partnered with 52+ businesses across solar, restaurants, travel, hospitality, insurance, real estate/property management and other service industries, helping them eliminate operational bottlenecks, eliminate missed clients from missed calls, and recover lost revenue. Our clients include some of the fastest-growing brands in their categories, including a $250 Million Restaurant Franchise over 200 Locations in North America, to one of the world's largest travel agency. We truly believe in our ability to be your AI and Software Development Partner.

Production-grade Voice AI Solutions that answer calls 24*7. We build production-ready voice agents and AI solutions that answer, qualify, and schedule calls for service industries and SaaS firms, fully tied into their CRM, phone system, and workflows. Our team handles strategy, custom development, and post-launch optimisation so owners see value fast.

AutoAppoint is a U.S.-based AI company building custom Voice AI Receptionist systems for service-based businesses. We initially focus on healthcare and aesthetics but are now expanding into real estate, construction, home services, and other non-medical verticals. Our 24/7 AI voice agents handle inbound calls, appointment booking, lead qualification, and call routing, and integrate with existing CRMs and scheduling systems. Each agent is custom-trained on client workflows and business logic.

Black Umbrella AI builds and deploys AI voice agents for businesses that are tired of leaky pipelines, missed follow-ups, and no-shows killing their ROI. We specialize in end-to-end Retell agent setup for companies that want production-grade calling infrastructure without the DIY learning curve. What makes us different: we come from the marketing side of the table, not just the engineering side. Our founder has 10+ years in direct response and has managed over $50M in ad spend across 30+ verticals, so we don't just build agents that talk, we build agents that convert. Every Retell deployment we ship is engineered around pipeline velocity: more conversations, better qualification, faster booked calls. Our agent setup service includes voice and prompt engineering, objection handling frameworks pulled from real sales floors, full integration with GoHighLevel, n8n, and your existing CRM stack, plus post-launch testing and optimization. We offer both done-for-you builds and white-glove training for teams that want to run agents in-house.

We Build AI Voice Agents that Convert. Automatez AI builds advanced AI voice agents that save teams 30 to 50 hours every week on support, lead qualification, and customer calls. We have successfully deployed 75+ production-ready voice agents, primarily using Retell, across industries like healthcare, restaurants, legal services, and e-commerce and more. Founded by Yashica Jain, AI consultant, Retell expert, and founder of Automatez AI, the team focuses on fast, no-code solutions that work in the real world. If you have searched for voice agent tutorials, chances are you have seen her YouTube videos with 800K+ views, breaking down real business use cases. We help build from scratch, engineer effective prompts, set up SIP trunking or phone number routing, and integrate with third-party tools using function calls. Whether it is a single prompt, multi-step logic, conversational flow or a custom LLM, it is all covered. To get started, book a consulting session.

At Sidetool, we build custom AI automations that handle your tasks, hassle-free. Let us automate the worst parts of running your company. As an official Retell Partner, we ship production-ready voice AI agents that answer phone calls, WhatsApp chats, and can cold or warm transfer conversations to a human when it counts. Receive fast, custom-built AI automations—usually delivered in just weeks, with custom maintenance. Whether you need voice AI agents, chatbots, customer support, sales automation, workflows, or data analysis, Sidetool slots straight into your tech stack and starts creating value from day one. Ready to turn every interaction into an opportunity? Let’s talk.

SmartVerse Group is a Europe-based Retell AI Certified Partner that designs, builds, and operates production-ready voice agents and AI automations. We create custom, fully-personalized solutions for each client – from call flows and brand voice to deep integrations with your CRM, ERP, telephony, and payments – so your Retell agents don’t just sound right, they run end-to-end in your real workflows and drive measurable revenue and support outcomes.

Call Sandwich is a certified Elite Retell AI partner — the highest tier in Retell's partner program. We specialize in building enterprise-grade voice AI integrations for complex telephony environments that standard agencies won't touch. Our team connects Retell to legacy and modern stacks alike — ViciDial, Asterisk, FreeSWITCH, NICE inContact, Avaya, Talkdesk, Genesys, and more — handling everything from SIP trunk configuration to full white-label AI platform development. Whether you need outbound AI sales agents, enterprise inbound routing, AI + human handoff, or a fully white-labeled Retell platform, Call Sandwich delivers production-ready, multi-tenant deployments built to scale.

At Aitoflo, we specialize in Voice AI and RPA services , seamlessly flowing to streamline business operations and enhance customer interactions with Realistic Voice avatars.