With today’s businesses increasingly expanding around the world, clear communication in different languages has become a necessity.
The good news is that you don’t need to hire customer support teams in every country you operate — this task can now be handled by multilingual voice AI platforms. These systems understand and respond to humans using natural language processing, speech recognition technology, and advanced translation engines. In addition, they continuously learn from interactions and improve over time.
Multilingual voice agents allow businesses to easily overcome language barriers and unlock new markets. There are many providers offering both ready-to-deploy solutions and custom-built agents. Whichever route you choose, our list of the top providers of multilingual synthetic voice agent platforms is here to help you find the right partner.
Best Providers Of Multilingual Synthetic Voice Agent Platforms
Founded in 2012 in Silicon Valley, Impekable is a full-service digital studio that combines enterprise-level engineering with human-centered design. Over time, the company has broadened its scope to automation and AI development, earning a place among the best providers of multilingual synthetic voice agent platforms.
The team specializes in building multilingual AI voice agents that support customer service, order-taking, and workflow automation across languages, making them suitable for global enterprises. Impekable’s voice platforms can integrate with existing business systems and scale as communication needs grow.
This company could be your ideal option if you’re looking to hire AI voice agent developers with experience in banking, insurance, retail, healthcare, and SaaS — the team combines industry knowledge with technical expertise to create agents that fit real business needs.
- Services and expertise: AI development, web development, mobile app development, UX/UI design
- Location: San Francisco, CA, United States
- Team size: up to 50 experts
- Portfolio: Adobe, Nike, Apple, Twilio, Google, Samsung, DigitalOcean, HP, Accenture, NVIDIA, Panasonic, and others
The next notable name on our list of the best multilingual synthetic voice agent providers, Conversica specializes in enterprise AI, helping more than 2,000 teams manage customer engagement at scale. To date, the company has powered over 1.5 billion conversations for leading global brands, transforming how they handle demand generation and customer re-engagement.
Conversica’s AI agents are designed to align with business outcomes, whether the goal is to qualify leads, resolve service issues, or retain existing customers, with each deployment customized to a customer’s workflows and compliance needs. The agents conduct conversations across email, SMS, chat, and messaging apps in multiple languages, making them suitable for global enterprises with diverse customer bases.
- Services and expertise: conversational AI, conversation automation, lead engagement and follow-up, customer engagement
- Location: San Francisco, California
- Team size: 120+ experts
- Portfolio: Iron Mountain, Epson, Hootsuite, Boston Red Sox, Toyota, Holman, New York Knicks, T-Mobile, and others
Synthflow is a leading AI voice platform built for enterprise-scale phone operations, designed to automate millions of calls by replacing manual handling with fast, human-like interactions. Businesses choose Synthflow for its speed of deployment — many launch agents in under three weeks using no-code tools and flexible APIs.
With proven performance across 45 million calls and 4 million hours saved, Synthflow has established itself as a dependable partner for enterprises needing scalable, affordable voice automation.
Synthflow’s multilingual AI voice agents support over 30 languages, serving customers without delays. Near-instant responses in under half a second, 99.9% uptime, integration with major CRMs and helpdesk platforms, and the ability to adapt workflows to complex enterprise needs make Synthflow an excellent choice for global teams.
- Services and expertise: AI voice agent, AI customer service, AI receptionist
- Location: Berlin, Germany
- Team size: up to 50 experts
- Portfolio: Comparewise, Krisp, Medbelle, Smartcat, 10Web, ZENJOB, GoTiger, AIZEE, Peak Demand, and others
Headquartered in London, ElevenLabs is widely regarded as one of the most advanced AI voice platforms, trusted by millions of users. The company began as an AI audio research and deployment lab, with the mission of making content accessible in any language and any voice.
Its technology powers voiceovers, audiobooks, video game characters, advertising campaigns, medical training, and accessibility tools that restore speech to those who need it.
The company’s multilingual AI voice agents support 32 languages, speak naturally with ultra-low latency, respond across both voice and chat, and integrate with external tools and business systems. Enterprise-grade reliability and its unmatched realism have rightfully earned ElevenLabs a place among the best multilingual synthetic voice agent providers.
- Services and expertise: conversational AI, dubbing, voiceover
- Location: London, United Kingdom
- Team size: 200+ experts
- Portfolio: Smartness, VoiceDrop, Air Mail, Sketchy, Layer, Bolna, Adobe Captivate, HarperCollins, Spotify, and others
Yellow.ai is a leading platform for service automation, trusted by more than 1,300 enterprises worldwide. Operating across the United States, India, Singapore, the UAE, and beyond, the company leverages insights from 16 billion conversations every year to refine and scale its agentic AI.
The platform uses a multi-LLM architecture and prebuilt integrations with over 150 enterprise systems, making it a versatile solution for organizations seeking efficiency and cost savings.
Yellow.ai’s voice technology powers natural, human-like conversations across chat, email, and telephony, supporting global enterprises with diverse user bases. The agents maintain context and adapt to complex workflows, which results in consistent, brand-aligned service in any language.
- Services and expertise: generative AI, voice assistants, agentic AI, customer service automation
- Location: San Mateo, CA, United States
- Team size: 1,000+ experts
- Portfolio: Lion Air, Randstad, Ferrelgas, Air Asia, Hyundai, Zuno GI, BinaArtha, Unicard, Waste Connections, and others
If you want to hire AI voice agent developers with a strong e-commerce background, look no further than WebDesk Solution. Founded in 2013, WebDesk Solution is an award-winning North American digital agency with offices in Canada and the United States.
Specializing in e-commerce development, the company has delivered over 1,000 projects for 500+ clients across North America and earned certifications with Shopify, Adobe Commerce, BigCommerce, and PrestaShop.
The team also develops enterprise-grade multilingual voice agents that combine natural language understanding, emotion detection, context awareness, and adaptive memory to deliver human-like conversations across industries. With real-time processing, strict compliance standards, and continuous learning, WebDesk’s multilingual voice agents provide secure and personalized interactions for customers in diverse markets.
- Services and expertise: AI development, web development, custom software development, mobile app development, search engine optimization, social media marketing, UX/UI design
- Location: Toronto, Canada
- Team size: up to 50 experts
- Portfolio: The Pioneer Shop, Hobby Villa, Telus, Fundamentally, Skin House Facial Bar, BiopharmWorld, and others
One of the best multilingual AI voice agent providers, Retell AI offers businesses the tools to build, test, deploy, and monitor production-ready agents, helping them modernize call operations through automating high-volume conversations. Retell’s focus on real-world usability makes it a go-to choice for organizations that seek reliable voice AI.
Retell AI supports integrations with CRM systems, telephony providers, and automation platforms, so that its technology fits smoothly into existing infrastructures. Agents powered by Retell AI deliver natural, human-like interactions that adapt to context and maintain conversational flow across multiple languages. In addition, they support auto-sync knowledge bases, call transfers, and appointment bookings, enabling businesses to serve diverse audiences with speed and accuracy.
- Services and expertise: voice AI agent
- Location: Palo Alto, CA, United States
- Team size: up to 50 experts
- Portfolio: GiftHealth, Everise, Clear, Boatzon, AccioJob, Sunshine Loans, ISpeedToLead, TripleTen, Matic, and others
Founded by industry veterans determined to rethink how customer service is delivered, Crescendo provides the world’s first all-inclusive service of AI technology and CX experts that boosts customer engagement while reducing costs. The company offers a cutting-edge platform that transforms cost-heavy traditional contact centers into AI-powered hubs of innovation.
The perfectly orchestrated customer support comes with seamless, real-time handoffs to Crescendo’s expert human agents, with agentic AI continuously learning from these interactions so that responses are natural and relevant to every customer’s unique journey.
Crescendo’s multilingual conversational AI resolves inquiries in over 50 languages. Combining real-time translation and seamless integration, it helps enterprises achieve 75% instant resolution and deliver consistent service across global markets.
- Services and expertise: AI-powered customer service
- Location: San Francisco, CA, United States
- Team size: 1,000+ experts
- Portfolio: Lovepop, Webconnex, Meister, Rio, and others
Headquartered in the United States with six additional offices worldwide, Plavno is a seasoned software development company that has successfully delivered more than 800 projects across a variety of industries. The company is renowned for designing sophisticated, business-ready AI systems that solve complex challenges. Its portfolio includes legal, medical, financial, and sales AI agents.
Plavno builds robust multilingual AI assistants capable of context-aware, human-like interaction. Its real-time translation engine supports more than 140 languages, making it ideal for global businesses. In addition, Plavno’s AI voice assistant recognizes user intent and emotion and integrates with existing systems. So if you’re looking to hire multilingual synthetic voice agent providers who can help you streamline operations while ensuring secure, natural communication, Plavno is a great choice.
- Services and expertise: AI development, custom software development, web development, mobile app development
- Location: Alexandria, VA, United States
- Team size: 150+ experts
- Portfolio: Amazon, IBM, Mercedes, Xerox, Kia, eBay, PayPal, Net Era Telecom, Mediacube, QuickBite, and others
KriraAI is an end-to-end IT partner offering everything from mobile and web development to CRM implementation, UI/UX design, and custom software solutions. KriraAI has served clients in finance, healthcare, hospitality, retail, education, and e-commerce, bringing a mix of AI expertise and traditional engineering to each project.
Recognized as one of the best multilingual AI voice agent providers in India and beyond, KriraAI builds systems that automate both inbound and outbound calls, handling support queries, renewals, and confirmations with human-like dialogue. With continuous learning, domain-specific customization, and real-time feedback, KriraAI delivers scalable voice platforms designed to adapt as customer expectations evolve.
The company is known for its client-first approach, emphasizing long-term partnerships and transparent communication, so if this is what you’re looking for in your AI development partner, consider contacting this team.
- Services and expertise: AI development, custom software development, web development, mobile app development, cloud services, UX/UI design, branding
- Location: Surat, India
- Team size: up to 50 experts
- Portfolio: MindMend, Backnoir, SummarIQ, LinkPilot, StarryAI, Resemble AI, MABANK, Explore, and others
Conclusion
Finding the right multilingual voice AI partner can be challenging, especially with so many platforms that offer similar features. The truth is, the best choice depends on your unique business needs and goals — some providers offer quick setup, while others deliver deep customization. Whatever the case, the companies in this list are a good place to start.
Hopefully, our list of the top providers of multilingual synthetic voice agent platforms helps you find a partner who will make global communication easier.
If you want to feature your multilingual synthetic voice agent platform on this list, email us or submit a form in the Top Choices section. After a thorough assessment, we’ll decide whether it’s a valuable addition.
