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Jabran Mustafa
Jabran Mustafa

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The Best Companies for Custom AI Voice Agent Solutions

AI voice agents are quickly becoming a cornerstone of modern customer service, offering businesses a way to deliver faster, smarter, and more personalized support at scale. These solutions help organizations reduce call center costs, boost customer satisfaction, and ensure 24/7 availability.

Whether you need AI-powered call automation, multilingual voice bots, or industry-specific solutions, choosing the right development partner is key. Below, we highlight the top 10 companies for custom AI voice agent solutions, selected for their expertise, proven track record, and ability to build scalable conversational AI systems.

1. HatchWorks AI

Ranked as the #1 AI development company in the USA by Clutch, HatchWorks AI is another recognized name on our list of top conversational AI developers. The firm uses native AI solutions to build better, smarter, and faster AI voice agents that can provide quick responses and enhanced customer support.

In addition to AI voice agents, the team of 250+ AI experts at HatchWorks can also deploy projects related to generative AI, data engineering, and MLOps. Headquartered in Atlanta, USA, HatchWorks also has offices in Costa Rica, Peru, and Colombia.

Services and expertise: generative AI product development, AI voice agents, chatbots, software development, product strategy, UI/UX design, IT staff augmentation

Location: Atlanta, USA; Costa Rica; Colombia; Peru

Industries: Healthcare, Finance, Telecommunication, Gaming, Retail

Clients: AT&T, TrueBlue, CarIQ, Kimberley-Clark, Advent Health, Diebold Nixdorf

2. InData Labs

InData Labs is a leading data science and AI development company specializing in custom conversational AI and voice agent solutions. The company leverages deep learning, NLP, and speech recognition technologies to create smart, human-like AI voice agents for enterprises.

With over a decade of experience, InData Labs focuses on building scalable AI solutions tailored to unique business requirements. Their expertise extends beyond AI voice agents to include computer vision, predictive analytics, and big data solutions.

Services and expertise: AI voice agents, NLP solutions, chatbots, computer vision, big data engineering, AI consulting

Location: Nicosia, Cyprus; USA (Las Vegas, Nevada)

Industries: Healthcare, Retail, Sports & Fitness, eCommerce, Logistics

Clients Flo Health, Captiv8, Wargaming.net, Exadel, Sentigraph

3. Deeper Insights

Deeper Insights is an award-winning AI company that helps organizations harness the power of custom AI voice agents to transform customer experiences. Using proprietary machine learning models and NLP, the company develops conversational AI platforms that deliver accurate, context-aware responses across industries.

With a strong focus on research-driven AI, Deeper Insights builds solutions for enterprises seeking innovation in customer service automation, process optimization, and intelligent voice communication.

Services and expertise: AI voice agents, NLP, machine learning, data analytics, custom AI solutions, AI strategy consulting

Location: London, UK; USA

Industries: Healthcare, Finance, Energy, Education, Retail

Clients: Roche, NHS, Pfizer, BDO, Shell

4. Maruti Techlabs

Maruti Techlabs is a well-recognized name in conversational AI development, offering end-to-end AI voice agent solutions that integrate seamlessly into existing systems. Their team specializes in automating customer interactions with smart, multilingual voice assistants that help businesses improve service efficiency and reduce operational costs.

The company has over a decade of experience in delivering AI-powered digital transformation solutions across industries. Apart from AI voice agents, Maruti Techlabs also provides services in RPA, chatbot development, and data engineering.

Services and expertise: AI voice agents, RPA, chatbots, NLP, data engineering, custom software development

Location: Ahmedabad, India; USA

Industries: Finance, Healthcare, Real Estate, Travel, Retail

Clients: Tech Mahindra, Symantec, PostNord, TMEIC, Tata
Communications

5. Master of Code Global

Master of Code Global specializes in building AI-powered chatbots and voice agents that improve customer engagement across digital channels. The company focuses on conversational design and user experience, ensuring natural, human-like interactions.

With offices in the USA and Ukraine, Master of Code has delivered AI voice solutions for global brands in eCommerce, hospitality, and financial services.

Services and expertise: AI voice agents, chatbot development, NLP, conversational design, AI consulting

Location: Winnipeg, Canada; Cherkasy, Ukraine; USA

Industries: eCommerce, Travel, Finance, Retail, Telecom

Clients: Aveda, T-Mobile, PostNord, World Surf League

6. Yellow.ai

Yellow.ai is a global leader in conversational AI platforms, offering intelligent voice agents powered by advanced NLP and machine learning. Their AI solutions are known for enabling natural, multilingual conversations across industries.

The company serves over 1000 enterprises worldwide and has raised significant funding to expand its global presence. Yellow.ai’s voice agents are widely adopted in industries such as BFSI, retail, and healthcare.

Services and expertise: AI voice agents, conversational AI platform, chatbots, multilingual support, customer experience automation

Location: San Mateo, USA; India; Singapore; UAE; Australia

Industries: Banking, Insurance, Retail, Healthcare, Travel

Clients: Domino’s, Hyundai, Sony, Sephora, Bharat Petroleum

7. Cognigy

Cognigy is a conversational AI company that enables enterprises to automate contact centers using voice agents and chatbots. Their flagship platform, Cognigy.AI, provides no-code and low-code capabilities for building scalable AI voice solutions.

Trusted by leading enterprises, Cognigy focuses on enhancing customer and agent experiences through AI-driven automation.

Services and expertise: AI voice agents, chatbots, customer experience automation, NLP, conversational AI platform

Location: Düsseldorf, Germany; USA; Japan; Australia

Industries: Automotive, Banking, Telecom, Insurance, Healthcare

Clients: Lufthansa, Bosch, Henkel, Toyota, Mobily

8. OneReach.ai

OneReach.ai is a leading conversational AI and automation company recognized by Gartner as a top provider of AI voice solutions. Their platform allows enterprises to design, build, and deploy AI-powered voice and chatbot systems at scale.

Known for innovation, OneReach.ai delivers intelligent voice agents that integrate seamlessly with enterprise systems to improve efficiency and reduce support costs.

Services and expertise: AI voice agents, conversational AI platform, chatbots, RPA, NLP, customer service automation

Location: Denver, USA

Industries: Banking, Telecom, Government, Healthcare, Retail

Clients: Coca-Cola, Wells Fargo, Accenture, Blue Cross

9. Amelia (IPsoft)

Amelia, formerly known as IPsoft, is one of the most advanced conversational AI platforms in the world. Their AI voice agents are designed to understand context, emotions, and intent, enabling highly human-like conversations.

Amelia is widely recognized for its cognitive AI capabilities and has been deployed by Fortune 500 companies to transform customer service operations.

Services and expertise: AI voice agents, digital employees, NLP, cognitive AI, enterprise automation

Location: New York, USA; UK; Sweden; India

Industries: Finance, Insurance, Telecom, Healthcare, Retail

Clients: Telefónica, BNP Paribas, Ericsson, Deloitte

Conclusion

AI voice agents are reshaping the future of customer service by offering efficiency, personalization, and scalability. From startups like InData Labs to enterprise leaders like Amelia and Cognigy, these companies provide businesses with the tools needed to automate conversations, reduce costs, and improve customer satisfaction.

When selecting a development partner, consider your industry needs, scalability requirements, and integration preferences. Partnering with one of the top 10 companies above ensures that you’ll have access to world-class expertise in building AI voice agents tailored to your business goals.

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Natalya Sokolova

Informative Article!