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.

TalkFlowAI is a leading VoiceAI company, empowering businesses to scale customer support and outreach campaigns efficiently. We serve diverse industries, including medical clinics (AI receptionists), real estate (lead qualification), Shopify sellers (customer support), and SMM agencies (outreach campaigns). For any business seeking a powerful VoiceAI solution, TalkFlowAI delivers.

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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.

Virstack LLC is a dynamic software development company headquartered in Irvine, California. We specialize in custom websites, web apps, mobile apps, SaaS, and innovative solutions using AI, AR/VR, and Blockchain.Virstack leverages cutting-edge technologies to deliver secure and scalable software products, meeting client budgets with 24/7 availability and ISO 27001 certified practices.

Tasky AI is a conversational automation agency that builds AI voice and chat agents tailored to businesses across Latin America. We specialize in real-time customer engagement through platforms like WhatsApp, phone calls, and webchat. Our solutions help companies qualify leads, reduce operational costs, and increase sales using AI-powered workflows integrated with tools like n8n, Make.com, and Go High Level. We’ve delivered results in industries such as real estate, telecommunications, and financial services, and are now expanding rapidly across LATAM and the U.S.

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.

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.

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.

Vapify is a white-label platform that helps voice AI agencies sell, manage, and scale their AI agents under their own brand. Agencies can give clients a professional dashboard to view agents, track performance, monitor usage, and manage billing, without building the infrastructure from scratch.