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.

How this list is built

We evaluate companies on verified profile data: services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

8,154 Companies

List of the Best Custom AI Chatbot Development Agencies

WHITEMOON
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
WhiteMoon is an AI agency located in Majadahonda, Madrid, dedicated to providing practical artificial intelligence solutions for Spanish small and medium-sized enterprises (SMEs) and local businesses. We create, implement, and manage AI chatbots, RAG systems, and automation workflows that deliver im
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Majadahonda, Madrid, Es
Services Provided
40% Custom AI Chatbot Development
10% AI Agent & Multi-Agent System Development
15% AI Strategy & Roadmap Consulting
35% Workflow Automation (Zapier / Make / n8n)
AI Summary
“WhiteMoon is a Madrid-based AI agency delivering customized chatbots, RAG systems, and automation solutions to Spanish SMEs across diverse industries with transparent pricing and GDPR-compliant infrastructure.”
Abstrabit Technologies
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Abstrabit Technologies assists healthcare businesses in streamlining their manual, labor-intensive operations through secure internal platforms and scalable AI-driven systems. As these organizations expand, essential workflows often get dispersed across Excel spreadsheets, PDFs, emails, and WhatsApp
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Bengaluru, Karnataka, In
Services Provided+1 Services
30% Custom Web Application Development
20% SaaS Product Development
13% AI Strategy & Roadmap Consulting
5% IT Staff Augmentation
AI Summary
“Abstrabit Technologies develops secure, AI-driven SaaS platforms that streamline healthcare operations, enhance compliance, and improve patient engagement, enabling organizations to scale efficiently and reduce manual workloads.”
Deadly
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We create and develop personalized AI agents, browser add-ons, and workflow automations that align with your team's actual processes.
Highlights
$25,000+
Min Project Size
10-49
Employees
Montreal, Quebec, Ca
Services Provided
40% Custom AI Chatbot Development
20% AI Strategy & Roadmap Consulting
40% AI Agent & Multi-Agent System Development
AI Summary
“Deadly specializes in developing personalized AI agents, browser add-ons, and workflow automations tailored to align with teams' real-world processes to enhance productivity.”
B
Bytelancers Limited
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Global Talent Pool: Over 5000 Qualified Professionals. Tap into our selection of the top 3% of AI engineers, designers, and industry specialists. All have been pre-screened and are ready for immediate engagement. Hire an AI Engineer within 72 hours, with Guaranteed Delivery. Need assistance for an u
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided
40% AI Agent & Multi-Agent System Development
20% AI Strategy & Roadmap Consulting
40% Custom AI Chatbot Development
AI Summary
“Bytelancers Limited specializes in delivering diverse IT and digital services, leveraging skilled professionals to address comprehensive technology and business needs across various industries.”
Black Sigma Technologies
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Black Sigma Technologies is a leading software and IoT development company focused on creating innovative, effective, and scalable solutions for the U.S. market. Our expertise lies in providing advanced technology that simplifies processes, improves efficiency, and opens up new possibilities for our
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Kingston, Jm
Services Provided
20% Custom Web Application Development
14% Mobile App Development (iOS & Android)
33% Product Design
33% Custom AI Chatbot Development
AI Summary
“Black Sigma Technologies specializes in software and IoT solutions, delivering innovative, scalable technologies that enhance efficiency and simplify processes for clients across various industries in the U.S. market.”
EfficientWeb
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We take responsibility for the projects you trust us to create. Whether it’s custom web and mobile applications, high-performance WordPress sites, or AI-driven software, we deliver solutions that evolve alongside your needs.
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Rzeszow, Subcarpathian, Pl
Services Provided
35% Custom Web Application Development
15% SaaS Product Development
30% Custom AI Chatbot Development
20% Generative AI
AI Summary
“EfficientWeb, a Poland-based tech company, delivers custom software, web, and AI-driven solutions, ensuring innovative, high-quality applications that evolve with clients' needs across industries.”
BlockchainLabs.ai
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We are a comprehensive software development agency located in Bangkok, Thailand, passionate about creating high-quality web and mobile applications, covering everything from design to development. We also specialize in AI chatbots using Google Dialogflow, mobile and web apps built with Flutter, and
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Bangkok, Krung Thep Maha Nakhon, Th
Services Provided+2 Services
18% Custom Web Application Development
15% Mobile App Development (iOS & Android)
10% Product UX Strategy
12% Mobile App UI Design
AI Summary
“BlockchainLabs.ai is a Bangkok-based agency delivering custom web and mobile applications, user-centric UI/UX designs, and AI chatbot solutions leveraging Flutter, React Native, and Google Dialogflow across diverse industries.”
Digital is Simple
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Digital is Simple is a top provider of AI solutions that enhance how businesses connect with their customers. We focus on creating tailored conversational interfaces and chatbots that assist companies in automating customer service, boosting engagement, and enhancing the overall customer experience.
Highlights
10-49
Employees
Services Provided
15% E-Commerce Development
35% Mobile App Development (iOS & Android)
40% Custom AI Chatbot Development
10% Generative AI
AI Summary
“Digital is Simple delivers customized AI-driven software solutions, including chatbots and mobile apps, to enhance customer engagement, automate services, and support business growth efficiently.”
AgentGPT
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
At AgentGPT, we provide customized, industry-focused solutions utilizing cutting-edge AI and automation technologies. Our offerings are supported by a committed team of professionals who are always available to help you.
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Newark, California, Us
Services Provided
35% Custom AI Chatbot Development
15% AI Strategy & Roadmap Consulting
50% Operational Process Consulting
AI Summary
“AgentGPT delivers customized AI and automation solutions across industries, backed by a dedicated team ensuring professional support and enhanced operational efficiency.”
Moblize.IT LLC
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Moblize.IT LLC, located in San Francisco, provides consulting services focused on chatbot development, mobile app creation, and modernization solutions utilizing contemporary frameworks such as Angular, Node, and Ionic. We offer comprehensive integration services with enterprise applications, includ
Highlights
2-9
Employees
Redwood City, California, Us
Services Provided+1 Services
25% Mobile App Development (iOS & Android)
15% Custom Web Application Development
10% ERP & CRM Development
40% Custom AI Chatbot Development
AI Summary
“Moblize.IT LLC delivers expert mobile app development, AI-driven chatbot solutions, and ERP consulting, integrating leading enterprise platforms like Oracle and Salesforce to drive modernization and innovation.”

...

...

...

Latest insights & expert perspectives

Explore data-backed surveys with inputs from top industry experts.

Stated minimum project sizes among the firms listed under software development services on Edverise, with the $50,000 band shaded

Vendor Selection

Questions to Ask a Software Development Agency: Six With Proof

A vetting script for second-round agency calls: six questions, the document each answer has to produce, and what a directory listing or a badge really proves.

Nihar Ranjan Rout

10/31/2026

Three software development quotes of $38,000, $94,000 and $210,000 converted to effective hourly rates of $79, $73 and $87.50

Vendor Selection

How to Compare Software Development Quotes Priced 5x Apart

Three bids for the same build are rarely comparable as written. A normalization checklist, a weighted grid adapted from FAR Part 15.3, and the hourly arithmetic.

Akash Mohapatra

10/31/2026

Chart of minimum project size stated by firms listed under AI agent development on Edverise, with the $50,000 band highlighted

Vendor Selection

AI Agent Development Cost: Build, Tokens, Reliability

An AI agent has three costs. Compute the monthly token bill from published list prices, then set the build quote against what listed firms actually charge.

Santanu Prasad Sahoo

10/31/2026

Check All Our Blogs

One Platform. One Promise. One Trust.

Edverise is building the trusted way to find tech vendors. List your company early, or talk to us about backing the platform.

Top Custom AI Chatbot Development Firms

List of the Best Custom AI Chatbot Development Agencies

B

Where buyers look next

Latest insights & expert perspectives

Questions to Ask a Software Development Agency: Six With Proof

How to Compare Software Development Quotes Priced 5x Apart

AI Agent Development Cost: Build, Tokens, Reliability

One Platform. One Promise. One Trust.