Top Custom AI Chatbot Development Companies

A high-performing Custom AI Chatbot Development solution can accelerate growth, boost customer engagement, and create new revenue streams—but only if it's built by a team you trust. Edverise makes it easy to connect with leading Custom AI Chatbot Development companies around the globe. Providers and reviews are vetted extensively to ensure that we capture verified client feedback, project details, and measurable results. Use Edverise's filters to sort partners by budget, industry expertise, and location. Start comparing profiles to find the right match for your project.

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Ratings Updated: August 11, 2026

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List of the Best Custom AI Chatbot Development Agencies

  1. Diffco logo
    DiffcoProfile set up by Edverise AI
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    Diffco is a company located in San Francisco that focuses on AI, custom software development, and staffing solutions. With over 17 years of experience in delivering reliable solutions for mobile, web, and AI applications, it aims to foster and enhance your business growth. The products we create are


    Highlights

    $25,000+

    Min Project Size

    50-99

    Avg Hourly Rate

    50-249

    Employees

    San Jose, California, Us

    Services Provided+9 Services
    30% Custom Web Application Development
    25% Mobile App Development (iOS & Android)
    15% Backend Development
    15% Frontend Development
    AI Summary

    Diffco, based in San Francisco with 17+ years' experience, delivers AI-driven custom software and staffing solutions, serving notable clients with transparent, client-focused project development and team augmentation.

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    Creation of websites, mobile applications, and AI software, in addition to assistance with digital transformation.


    Highlights

    $10,000+

    Min Project Size

    25-49

    Avg Hourly Rate

    10-49

    Employees

    Ha Noi, Vn

    Services Provided+2 Services
    60% Custom Web Application Development
    40% Mobile App Development (iOS & Android)
    50% Product UX Strategy
    50% UX Research & Usability Testing
    AI Summary

    BUNBU COMPANY LIMITED specializes in developing websites, mobile applications, AI software, and supports businesses with comprehensive digital transformation services to enhance operational efficiency.

  3. PieSoft logo
    PieSoftProfile set up by Edverise AI
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    PieSoft is a global firm headquartered in Pennsylvania, with additional offices in Poland and Georgia. Our Services We provide a comprehensive range of custom software and hardware development services designed to help start-ups and businesses ensure continuity, flexibility, and efficiency. PieSoft


    Highlights

    $10,000+

    Min Project Size

    25-49

    Avg Hourly Rate

    50-249

    Employees

    Bethlehem, Pennsylvania, Us

    Services Provided+6 Services
    35% Custom Web Application Development
    15% Mobile App Development (iOS & Android)
    20% Backend Development
    20% Frontend Development
    AI Summary

    PieSoft is a global company specializing in custom software and hardware development, delivering tailored solutions across healthcare, business software, hardware, and web/mobile sectors to enhance efficiency and operations.

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    Turing Test Passed (previously known as Appelier, a mobile app development studio since 2014) is an AI-focused agency that creates and implements smart systems to assist businesses in adopting advanced artificial intelligence, streamlining workflows, and gaining actionable insights—without the typic


    Highlights

    $1,000+

    Min Project Size

    25-49

    Avg Hourly Rate

    2-9

    Employees

    Chisinau, Chisinau, Md

    Services Provided+4 Services
    25% AI Agent & Multi-Agent System Development
    25% LLM Integration & Prompt Engineering
    20% Custom AI Chatbot Development
    5% Machine Learning Model Development
    AI Summary

    Turing Test Passed specializes in AI-driven solutions that streamline workflows and enhance business efficiency through custom AI agents, language model integrations, automation, and tailored web applications.

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    Qubicmind is a dedicated consultancy focused on AI and Machine Learning, providing tailored solutions for sectors such as energy, infrastructure, and enterprise. We assist organizations in harnessing the potential of their operational data with production-ready AI systems, encompassing areas like pr


    Highlights

    $1,000+

    Min Project Size

    25-49

    Avg Hourly Rate

    2-9

    Employees

    Kalamata, Gr

    Services Provided+1 Services
    25% Custom AI Chatbot Development
    35% AI Strategy & Roadmap Consulting
    40% Machine Learning Model Development
    40% API Development & Integration
    AI Summary

    Qubicmind offers expert AI and machine learning consultancy, delivering production-ready solutions across energy, infrastructure, and enterprise sectors, integrating academic research with practical engineering for operational data optimization.

  6. Braingenz logo
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    BrainGenz.ai is an artificial intelligence firm located in Pakistan that supports healthcare and digital health startups in the United States by automating intricate workflows with secure, HIPAA-compliant AI systems. Our expertise lies in automating clinical documentation, creating patient engagemen


    Highlights

    $1,000+

    Min Project Size

    25-49

    Avg Hourly Rate

    2-9

    Employees

    Services Provided+2 Services
    20% AI Strategy & Roadmap Consulting
    30% Custom AI Chatbot Development
    15% Cloud Consulting & SI
    10% AI Agent & Multi-Agent System Development
    AI Summary

    BrainGenz.ai, a Pakistani AI company, delivers secure, HIPAA-compliant healthcare automation solutions including clinical documentation, patient engagement bots, and AI data assistants that enhance efficiency and patient outcomes.

  7. Promtior logo
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    We enhance operational efficiency for businesses through tailored GenAI solutions. Our custom GenAI products assist companies in optimizing their operational processes by creating specialized solutions. Ready to move forward? Contact us at joaquin@promtior.ai.


    Highlights

    $10,000+

    Min Project Size

    50-99

    Avg Hourly Rate

    50-249

    Employees

    Montevideo, Montevideo, Uy

    Services Provided+3 Services
    15% AI Strategy & Roadmap Consulting
    45% Generative AI
    25% Machine Learning Model Development
    15% Custom AI Chatbot Development
    AI Summary

    Promtior develops customized generative AI solutions that enhance operational efficiency by optimizing business processes through tailored technological innovations.

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    Welcome to B-VERSE LABS - Shaping the Future of Ecosystems. At B-VERSE LABS, we are committed to transforming software development through our focus on innovation and quality. Our goal is to empower businesses with advanced AI-driven applications, personalized solutions, and engaging digital experie


    Highlights

    $25,000+

    Min Project Size

    25-49

    Avg Hourly Rate

    50-249

    Employees

    Sahibzada Ajit Singh Nagar, Punjab, In

    Services Provided+3 Services
    60% Custom Web Application Development
    40% Mobile App Development (iOS & Android)
    40% Product UX Strategy
    60% Mobile App UI Design
    AI Summary

    B-VERSE LABS PVT LTD specializes in innovative AI-driven software, mobile, and web development using MEAN, MERN, and Flutter to deliver tailored, scalable solutions enhancing business growth and user engagement.

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    Complete IT solutions aimed at speeding up your digital transformation and promoting business growth through cutting-edge technology.


    Highlights

    $1,000+

    Min Project Size

    <25

    Avg Hourly Rate

    10-49

    Employees

    Sheridan, Wyoming, Us

    Services Provided+3 Services
    60% Custom Web Application Development
    40% Mobile App Development (iOS & Android)
    40% Product UX Strategy
    30% Mobile App UI Design
    AI Summary

    Bytechnik LLC offers comprehensive IT solutions that accelerate digital transformation and drive business growth using advanced, cutting-edge technologies across diverse sectors.

  10. WeAreWay logo
    WeAreWayProfile set up by Edverise AI
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    We are at the forefront of AI automation, revolutionizing intricate business processes into intelligent, customized systems with the help of top-notch engineers from Eastern Europe. We assist logistics companies in accelerating their operations with AI-driven automation systems specifically design


    Highlights

    $1,000+

    Min Project Size

    25-49

    Avg Hourly Rate

    10-49

    Employees

    London, England, Gb

    Services Provided+3 Services
    40% Custom AI Chatbot Development
    30% Recommendation Engine Development
    30% Conversational AI & Voice Assistant Development
    55% Custom Web Application Development
    AI Summary

    WeAreWay leverages Eastern European engineering expertise to design AI-driven automation, chatbots, recommendation engines, and scalable platforms that optimize complex business processes and enhance operational efficiency.

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