Top Custom AI Chatbot Development Firms

Custom AI chatbot development produces a bot built around one company's content, systems and tone rather than a generic widget. Developers connect a language model to the help center, policies and product data through retrieval, add actions such as order lookup, booking or ticket creation through APIs, and deploy it on the website, in the app, on WhatsApp or in Microsoft Teams, with live-agent handoff and conversation analytics. Businesses commission one when support queues grow, after-hours questions go unanswered, or an off-the-shelf bot gives wrong answers.

Compare chatbot developers here on resolution results from live deployments, the helpdesk platforms they have integrated, and how they test answers before launch.

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8,154 Companies

List of the Best Custom AI Chatbot Development Agencies

WebOccult Technologies
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WebOccult Technologies is recognized for delivering innovative and user-friendly IT solutions aimed at simplifying the complicated processes of contemporary businesses. Based in Ahmedabad, India, the company has broadened its global reach by offering effective IT solutions in areas such as web devel
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Ahmedabad, Gujarat, In
Services Provided+2 Services
23% Mobile App Development (iOS & Android)
22% Custom Web Application Development
5% API Development & Integration
25% Machine Learning Model Development
AI Summary
“WebOccult Technologies, based in Ahmedabad, India, offers innovative IT solutions across web and mobile app development, IoT, AR, Blockchain, and AI, delivering end-to-end services globally.”
Nerv (Now Hikko)
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Nerv has rebranded as Hikko following its merger with Nimacloud. https://hikko.is/ ---- Formerly known as ALAN and acquired by Delivery Hero, Nerv is a tech company focused on automated customer service. We empower businesses to scale their transaction automation, improving customer experiences thro
Highlights
$10,000+
Min Project Size
50-249
Employees
Montevideo, Montevideo, Uy
Services Provided+4 Services
23% Custom AI Chatbot Development
10% Conversational AI & Voice Assistant Development
17% Operational Process Consulting
14% Customer Experience (CX) Strategy
AI Summary
“Hikko, formerly Nerv, delivers AI-driven automated customer service solutions worldwide, integrating self-service and human support to enhance customer experiences, sales, and operational efficiency across industries.”
Deeboon
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Over the past two decades, we've seen significant growth in digital commerce. Our extensive experience has shown us that successful commerce goes beyond technology; it involves a deep understanding of people. We recognize the various challenges businesses encounter, including the need for quick mark
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Ban Mai, Th
Services Provided
33% E-Commerce Development
33% Product UX Strategy
20% Custom AI Chatbot Development
14% Machine Learning Model Development
AI Summary
“Deeboon specializes in blending technology and human insights to deliver tailored digital commerce solutions that enhance user engagement, accelerate feature delivery, and create lasting customer-brand relationships.”
Helicon
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Interested in developing an app? Our engineering team brings extensive experience and focuses on creating apps solely for mobile platforms, guaranteeing exceptional expertise and creativity in each project. If you have a concept in mind, book a brief demo to discover how Helicon can assist you. Our
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided
50% Mobile App Development (iOS & Android)
25% Custom AI Chatbot Development
25% Machine Learning Model Development
AI Summary
“Helicon specializes in mobile app development, offering expert engineering services that deliver creative, tailored solutions with clear timelines and cost estimates based on client needs.”
NotBot
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Notbot provides AI chatbots for WhatsApp, alongside tools for scheduling, marketing, automation, CRM, and APIs to enhance your business's productivity by 10X, increase sales, improve customer experience, and boost retention. With Notbot, you can create targeted marketing campaigns, expand your audie
Highlights
2-9
Employees
Services Provided+2 Services
30% Custom AI Chatbot Development
15% Workflow Automation (Zapier / Make / n8n)
5% AI Strategy & Roadmap Consulting
17% Mobile & App Marketing
AI Summary
“Notbot delivers AI-powered WhatsApp chatbots and integrated tools for marketing, automation, CRM, and APIs, enhancing business productivity, customer engagement, and sales growth across platforms.”
Sofstack
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Sofstack, an emerging startup offering technology services and consulting, assists businesses in developing and implementing digital transformation strategies. We offer custom software development, supply developers for both long-term and short-term contracts, and provide IT consulting services as w
Highlights
< $25/hr
Avg Hourly Rate
10-49
Employees
Noida, Uttar Pradesh, In
Services Provided+2 Services
20% Custom Web Application Development
15% Mobile App Development (iOS & Android)
10% E-Commerce Development
5% Legacy System Modernization
AI Summary
“Sofstack is a technology services startup specializing in custom software development, AI-driven solutions, and digital transformation consulting, supporting enterprises with modernization and intelligent applications.”
Innovation Minds S.r.l.
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Your Competitive Edge, Tailored. In a landscape buzzing with talk of "innovation," Innovation Minds is genuinely creating it. We offer the essential technical foundation and strategic insight that medium to large enterprises require to surpass their competitors. Many businesses are hindered by disjo
Highlights
$25,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Napoli, Campania, It
Services Provided+2 Services
20% Mobile App Development (iOS & Android)
30% Custom Web Application Development
5% IT Staff Augmentation
10% Other IT Consulting and SI
AI Summary
“Innovation Minds S.r.l. delivers tailored digital solutions combining advanced engineering and intelligent automation to empower medium and large enterprises with agile growth and strategic market insight.”
Intellica
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Intellica is a well-established provider of IT solutions focused on innovative software development and data science initiatives. We excel in delivering top-notch software projects and highly skilled teams in fields such as Data Analytics, Blockchain Development, AI/ML, and Web/Mobile applications.
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Bratislava, Bratislava, Sk
Services Provided+2 Services
20% Custom Web Application Development
15% Mobile App Development (iOS & Android)
10% Blockchain & Web3 Development
5% QA & Software Testing
AI Summary
“Intellica specializes in IT solutions, offering expert software development and data science services including AI, blockchain, and analytics, helping startups and enterprises enhance efficiency and innovation.”
FUF Digital
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FUF is a digital agency located in Austin, drawing on thirty years of enterprise engineering experience from Stuttgart, Germany. We develop Drupal platforms, tailor-made software, and AI-driven products that reflect the achievements of top brands and organizations in the digital sphere. Our goal is
Highlights
$25,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Austin, Texas, Us
Services Provided+3 Services
20% Custom Web Application Development
8% Mobile App Development (iOS & Android)
13% API Development & Integration
10% E-Commerce Development
AI Summary
“FUF Digital is an Austin-based digital agency with 30 years of engineering expertise, specializing in Drupal development, custom software, and AI-driven products for leading brands.”
Zelvio Labs
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Zelvio Labs is directed by Shawal Farrukh, a product developer with more than five years of experience in delivering tangible software solutions in sectors such as SaaS, fintech, healthcare, and internal operations. Prior to establishing Zelvio Labs, Shawal was actively involved in product strategy,
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
Services Provided
30% Custom AI Chatbot Development
20% Machine Learning Model Development
28% Custom Web Application Development
22% Mobile App Development (iOS & Android)
AI Summary
“Zelvio Labs, led by experienced product developer Shawal Farrukh, delivers execution-focused software solutions across sectors like SaaS, fintech, and healthcare, accelerating product development and validation for founders and teams.”

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Top Custom AI Chatbot Development Firms

List of the Best Custom AI Chatbot Development Agencies

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