We've meticulously evaluated numerous service providers to select the top 10 conversational AI companies, focusing on their expertise, key services, successful projects, client testimonials, pricing structures, and industry accolades. Read on to explore their specializations and featured case studies to understand our selection process and find a suitable partner for your conversational AI undertakings.

The Number 1 Conversational AI Company as Selected by DesignRush Is:

1. Master of Code Global

• Best for: Overall
• Average hourly rate: $99
• Minimum budget: $10,000-$25,000
• Founded: 2009
• Size: 100-249
• Location: Redwood City, CA
• Notable clients: Aveda Corporation, T-Mobile, Luxury Escapes, Esso, Hilton Homes

Master of Code Global is a conversational AI company specializing in chatbot and voice assistant development, conversation design, and generative AI integration. Operating with a team of strategists, conversation designers, AI trainers, and developers, the company builds bespoke AI solutions from scratch, catering to a broad range of industries. Its portfolio extends to a Chatbot return-on-investment (ROI) calculator to optimize conversational AI performance.

Master of Code Global Success Story

• Challenge: A national food-services organization faced operational challenges and high costs in processing customer refund requests via live agents, leading to user frustration and increased wait times. To overcome these difficulties, the client sought to establish a communication channel for customers that would ease the refund process.
• Solution: As the client already had a conversational AI solution in place, Master of Code Global developed a payment refund chatbot to extend its capacity. The solution was intended to streamline the refund process by clarifying user scenarios, integrate business logic to scale the solution proportionally by demand, and effectively handle third-party order refunds.
• Results: Implementing the payment refund chatbot led to a 44%-66% decrease in agent escalation for refund requests, translating into $10.2 million in refund cost savings. The number of refunds provided also decreased between 13% and 28%, showing improved efficiency and greatly enhanced customer satisfaction for the client.

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2. rSTAR Technologies

• Best for: Customer service automation
• Average hourly rate: $125
• Minimum budget: $1,000-$10,000
• Founded: 2000
• Size: 100-249
• Location: Westmont, IL
• Notable clients: Premier Packaging, Southern Company, Walsh Construction Co., Emerson Electro Co., Omnimax International

rSTAR Technologies is a specialized system integrator deploying omnichannel conversational AI solutions. Following a four-tier implementation process, the company tailors intelligent AI chatbots for various platforms to help IT leaders in asset-intensive industries achieve value-driven outcomes. To modernize clients’ customer experience, rSTAR Technologies provides practice advisory, implementation, and managed services, introducing solutions for streamlined order management and field service management.

rSTAR Technologies Success Story

• Challenge: Faced with an outdated CRM system, Premier Packaging hired rSTAR Technologies to help them overcome issues associated with delayed responses to customer inquiries and a shortage of customer engagement capacity. The client reported customers having difficulties tracking their order status, pricing, and product information, which eventually translated into unfavorable customer ratings.
• Solution: rSTAR Technologies implemented an AI-powered chatbot to accelerate customer support requests and divert customers to the appropriate department for their requests. Additionally, the company integrated Salesforce Sales Cloud with Salesforce digital engagement to create efficiencies and improve customer service.
• Results: The chatbot deployment facilitated a human experience for Premier Packaging, allowing the client to solve queries without delay and coherently improve its customer experience. On account of that, Premier Packaging decreased overall costs and improved sales effectiveness, especially during peak hours.

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3. Markovate

• Best for: ChatGPT-powered chatbots
• Average hourly rate: $25
• Minimum budget: $10,000-$25,000
• Founded: 2015
• Size: Under 49
• Location: San Francisco, CA
• Notable clients: NVMS, Ford, AT&T, Aisle 24, Trapeze

Markovate is an AI chatbot development company specializing in intelligent, conversational bots to enhance customer engagement and drive business growth. Its services include conversational user interface (UI) design, bot architecture design, NLP engine integration, and omnichannel capability, among others. Markovate has successfully deployed over 300 AI-driven solutions across various niches, including retail, healthcare, fintech, and education.

Markovate Success Story

• Challenge: NVMS enlisted Markovate’s services to overcome inefficiencies in vendor management operations. Prolonged workflows, a high risk of errors, and hindered decision-making severely impacted the client's productivity, prompting them to seek professional assistance.
• Solution: Markovate deployed several advanced AI tools for image classification and automated messaging to facilitate streamlined communication and enhance data accuracy. Per the client's request, the company also implemented a chatbot powered by OpenAI's GPT architecture that responds to user inquiries and provides order updates.
• Results: Markovate's implementations allowed NVMS to elevate vendor interactions and introduce more productivity across its business operations. Beyond increasing customer satisfaction due to no delays in processing, the adjustments delivered streamlined vendor communication underlined by real-time assistance.

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4. WillowTree

• Best for: AI-powered semantic interpretation
• Average hourly rate: $150
• Minimum budget: Inquire
• Founded: 2008
• Size: 1,000 & Up
• Location: Charlottesville, VA
• Notable clients: Vocable, Pepsi, Hilton, HBO, Fox Sports

WillowTree specializes in voice AI and data products, poised to propel businesses’ digital transformation. Operating with a team of seasoned data engineering, MLOps, and machine learning specialists, the company supplements conversational AI and voice technology assets across customer service departments to ease the interaction between businesses and their client base. Its conversational AI expertise extends to voice case identification, conversational UI designs, voice technology tools, and integration.

WillowTree Success Story

• Challenge: The Vocable’s current augmentative and alternative communication (AAC) devices had numerous limitations. It sought WillowTree to deploy a solution that would facilitate better communication for users with voice or speech difficulties and extend the current capabilities of ACC technology.
• Solution: WillowTree developed the Vocable AAC app, a conversational AI mobile platform that enables nonverbal users to communicate through subtle head movements and text-to-speech. Using spatial computing, the team reconfigured the cursor to track the eye and head movement, granting users greater control when typing letters or selecting custom phrases. This innovative solution integrated AI technologies like ChatGPT for conversational context, predictive pattern detection, and semantic understanding.
• Results: The Vocable AAC app won multiple accolades, including the Techquity Case Study Award in 2024. Its innovative design, robust spatial computing capabilities, and multilingual support have significantly impacted the AAC community globally, providing a more accessible, enjoyable, and impactful communication experience.

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5. Daffodil Software

• Best for: Conversational User Interface (CUI)
• Average hourly rate: $24
• Minimum budget: $10,000-$25,000
• Founded: 1999
• Size: 1,000 & Up
• Location: Grandville, MI
• Notable clients: Synergy Homeopathic, Maya MD, Green City Watch, HealthGauge, Optoria Entertainment

Daffodil Software is a software engineering company affirmed as a technology partner to over 100 organizations worldwide. Its service portfolio features AI consulting, custom ML solutions, generative AI, conversational AI, and IoT solutions. With chatbot development as one of its main specialties, the company strives to deliver tailored, intelligent solutions designed to automate workflows and provide multilingual support. Boasting a team of over 800 technologists, Daffodil Software takes pride in its cutting-edge AI products, nurturing a growth-oriented culture that drives tangible results for its clients.

Daffodil Software Success Story

• Challenge: IT company Synergy Homeopathic sought Daffodil Software's assistance in simplifying the homeopathic case analysis process. Its VitalQuest platform showed signs of latency, slow loading speed, and low concurrency, prompting the client to seek a solution that would replace its existing search system, which proved insufficient for the nuanced requirements of homeopaths.
• Solution: Daffodil Technologies enhanced VitalQuest by implementing semantic search and conversational AI capabilities. It employed a Retrieval Augmented Generation (RAG) approach, integrating advanced semantic search algorithms with OpenAI's GPT 3.5, enabling users to easily access relevant remedies and additional details from a comprehensive database. A conversational AI chatbot interface was also developed to facilitate intuitive natural language interaction.
• Results: The RAG solution significantly enhanced search functionality, allowing users to browse remedies from a vast database of 1,500 books. The client also noticed a reduced number of errors across practitioners due to the simplified searchability powered by the new chatbot interface.

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6. CDI Services

• Best for: AI assistant frameworks
• Average hourly rate: Inquire
• Minimum budget: Inquire
• Founded: 2021
• Size: Under 49
• Location: Amsterdam, Netherlands
• Notable clients: Vodafone Group, HP, Vandebron, NatWest, Optum

CDI Services is a voice AI company specializing in designing, deploying, and optimizing chat and voice solutions. It helps companies navigate and scale their conversational AI capabilities through a four-tier systematic approach that includes strategizing, mobilizing, building, and optimizing AI deployments. AI assistants encompass one of CDI’s core offerings, wherein the company provides end-to-end development involving persona development, conversation design, natural language understanding (NLU) training, and implementation.

CDI Services Success Story

• Challenge: Communication conglomerate Vodafone Group partnered with CDI Services to create a cohesive design framework for its virtual assistant, TOBi. It envisioned introducing consistency across TOBi's customer interactions and aligning its functionality with user needs and company mission while maintaining high customer satisfaction.
• Solution: CDI Services collaborated with Vodafone Group’s in-house experience designers to develop the TOBi experience framework. The process involved shaping TOBi's purpose, defining experience principles and personality traits, and establishing conversation design guidelines and best practices for both chat and voice channels. CDI Services provided expertise in reviewing initial drafts, offering suggestions for refinement, collaborating on design fundamentals, and providing examples of best practices.
• Results: Following the collaboration, Vodafone’s Net Promoter Score (NPS) increased for over 20 points since 2021, with TOBi's daily interactions surging to one million across various digital channels. The TOBi experience framework emerged as a valuable guidance tool for Vodafone conversation designers globally.

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7. Front AI

• Best for: AI-powered virtual assistants
• Average hourly rate: Inquire
• Minimum budget: Inquire
• Founded: 2019
• Size: Under 49
• Location: Helsinki, Finland
• Notable clients: Säästöpankki Group, S-Bank, Collector Bank, Valio, Laurea

Front AI specializes in intelligent AI bots trained to comprehend natural language and automate routine customer service tasks. Boasting an extensive chatbot experience, the company helps businesses provide around-the-clock customer assistance and maintain positive customer satisfaction. Front AI guides organizations through the entire conversational AI deployment, empowering AI assistants to semantically process sentences, correct spelling, and recognize dialects and slang in the same capacity as a human customer service agent would.

Front AI Success Story

• Challenge: Säästöpankki Group contracted Front AI’s services, seeking to improve its customer service efficiency and satisfaction while enabling scalability in addressing the growing number of digital inquiries. The client was decisive in providing 24/7 assistance and personalized service to its base of identified customers.
• Solution: Front AI initially developed an internal bot to help the staff, followed by the launch of a public virtual assistant dubbed Miljo. Using natural language processing, Miljo was trained to identify the nature of customer inquiries and extend support for routine and frequent questions.
• Results: Shortly after the launch, Miljo successfully handles over 80% of the customer interactions, achieving an impressive 95% accuracy rate in topic identification.

Check Front AI Agency Profile

8. The Bot Forge

• Best for: Interactive Voice Response (IVR)
• Average hourly rate: Inquire
• Minimum budget: Inquire
• Founded: 2018
• Size: Under 49
• Location: Aylesbury, United Kingdom
• Notable clients: Rossano Ferretti, Clifford Chance, Distillery, Stitch, Help for Heroes

The Bot Forge is a UK-based company proficient in building enterprise-grade chatbots, voice assistants, and smart IVR solutions powered by conversational AI platforms like ChatGPT and GPT-3. Beyond chatbot projects, its service portfolio includes AI consultancy, conversation design, and chatbot analytics, underlined by technologies like Dialogflow and Rasa. The Bot Forge provides omnichannel deployment, custom software builds, and training services to ensure effective and personalized interactions across various niches.

The Bot Forge Success Story

• Challenge: Luxury haircare brand Rossano Ferretti tasked The Bot Forge with developing a chatbot solution that would provide personalized product recommendations and support across multiple international websites. The assistant was envisioned to propel the client’s sales growth, offering assistance to both English- and Italian-speaking prospects.
• Solution: The Bot Forge developed the Ferretti Bot, which features a custom chatbot UI for an intuitive experience. Built on the Google Dialogflow ES platform, the bot was trained to respond to English and Italian inquiries, offering personalized shopping experiences through an interactive quiz.
• Results: Following the deployment, the Ferretti Bot provided over 1,600 personalized product recommendations, translating into a tripled conversion rate from customers who took the quiz. The solutions also stimulated the client’s customer interactions, having sent over 600 recommendation emails, signed up more than 200 newsletter subscribers, and assisted with 100 customer inquiries.

Check The Bot Forge Agency Profile

9. Springs

• Best for: Generative AI
• Average hourly rate: $40
• Minimum budget: $1,000-$10,000
• Founded: 2015
• Size: 50-99
• Location: Barcelona, Spain
• Notable clients: ioni, Aviation Heaven, Telefonica, Nanolike, Autoklose

As an AI solutions vendor, Springs specializes in chatbot building, custom software development, generative AI solutions, and conversational AI products. Its chatbot service covers development, integration, fine-tuning, optimization, and consulting. Springs trains its solutions to provide multilingual support, self-learn, and facilitate human-like interactions with comprehensive responses.

Springs Success Story

• Challenge: ioni reached out to Springs for help, struggling with inefficient customer support due to the time-consuming process of creating and searching for templates for common customer inquiries. The client wanted to introduce an AI chatbot that would automatically respond to customer inquiries, intended to elevate the quality of assistance it provides to its customers.
• Solution: To accommodate the request, Springs developed the ioni chatbot that uses generative AI to automatically reply to inquiries by analyzing data from the knowledge base. The solution featured a contact database with all chatbot interactions, a multilanguage interface, and a repository of draft answers to respond to common inquiries.
• Results: ioni proved to be a valuable asset for optimizing and automating clients' template management flow. Agents could easily navigate through the templates, having the flexibility to respond to more inquiries within the same timeframe, essentially leading to significant cost reductions across the department.

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10. Valcon

• Best for: Customer care chatbots
• Average hourly rate: Inquire
• Minimum budget: Inquire
• Founded: 2000
• Size: 1000 & Up
• Location: Utrecht, Netherlands
• Notable clients: Link Asset Services, Franx, Kent and Medway Data Warehouse, AM Digital, Taxi2Airport

Valcon is a European consulting, technology, and data company crafting AI solutions poised to enhance customer interactions and boost the capacity of customer service departments. By deploying conversational AI across multiple channels, Valcon enables round-the-clock customer engagement while freeing human teams to focus on complex customer needs and strategic initiatives. Designed to facilitate personalized conversations, the solutions can remember key identifiers and context from previous interactions.

Valcon Success Story

• Challenge: Pension providers from the Netherlands enlisted Valcon’s service to scale the capacity of its customer care department using a chatbot. Handling over 3,000 daily queries, the client requested a cost-efficient solution that would ensure support availability outside office hours to maintain its customers' loyalty and satisfaction.
• Solution: Valcon’s primary focus was automating the response for high-frequency intents such as FAQs, administrative updates, and information requests. Simultaneously, the company worked on the chatbot solution, training its capacity to provide comprehensive service, with an option for live-agent handover for more complex inquiries.
• Results: Over time, the chatbot became a primary customer assistance channel on the client's website, handling over 300 chats daily and 20% of all customer interactions. The implementation additionally delivered an annual cost savings of over €100,000 for the client.

Check Valcon Agency Profile

How We Picked the Best Voice AI Companies

To identify the best conversational AI companies, we thoroughly reviewed their client feedback, success stories, industry reputation, team capabilities, client base, and areas of expertise. Through comprehensive assessment, our selection team evaluated each company’s track record and capabilities that make it excel in the field.

These are the criteria we used to rank the top conversational AI companies:

• Reviews: Client testimonials emphasizing agencies' performance, expertise, and client satisfaction
• Portfolio: Past projects reflecting agencies' capabilities and the quality of their work
• Awards and press mentions: Recognitions and industry accolades validating the agency's credibility, reputation, and innovative approaches
• Team bios: Skills, experience, and specialized expertise of an agency's team members
• Top services: Agency's core services and areas of expertise
• Conversational AI expertise: Proficiency in developing sophisticated AI-driven chatbots and virtual assistants that provide accurate, timely responses and enhance user experience

Find out more about our selection process on the DesignRush Agency Ranking Methodology page.

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