Top LLM Development Companies & Firms

Explore leading LLM development companies and firms building large language model solutions, AI assistants, enterprise applications and intelligent automation systems. Compare ratings, reviews, technical expertise and services to select an LLM development partner.

Top-Rated LLM Development Companies

Showing 111–120 of 172 agencies

Azumo

Verified

AI Development, Software Development, Testing Services,

Chike Agbai

Founder & CEO

Azumo is a San Francisco-based software development company focused on AI, data, cloud, web and mobile applications. Its AI work includes intelligent applications, machine learning, conversational systems and automation. The company combines US-based leadership with nearshore engineering teams and supports organizations building and modernizing technology products.

Team Size250+
LocationSan Francisco, California, USA
Min. Project$50,000+
Hourly Rate$55/hr
AI Development Software Development Testing Services Data Engineering App Development

Utility

Verified

Software Development, UI/UX Design, App Development,

David Cohen

CEO & Co-Founder

Utility is a New York-based digital product agency providing AI development, custom software, mobile applications, web platforms, UX/UI design, and digital strategy. Its work includes AI-powered products and digital platforms for organizations across finance, healthcare, hospitality, retail, gaming, and other industries.

Team Size250+
LocationNew York, NY
Min. Project$50,000+
Hourly Rate$149/hr
Software Development UI/UX Design App Development Digital Transformation

Infosys

Verified

AI, Software Engineering, Data & Analytics,

Salil Parekh

CEO & MD

Infosys is a global technology services and consulting company headquartered in India, helping enterprises navigate digital transformation and modernization. Its capabilities span cloud computing, artificial intelligence, data and analytics, cybersecurity, application development, and enterprise technology. Infosys works with organizations across industries, combining consulting expertise, technology implementation, engineering capabilities, and managed services to improve business performance and customer experiences.

Team Size320,000+
LocationBengaluru, Karnataka
Min. ProjectUndisclosed
Hourly RateUndisclosed
AI Software Engineering Data & Analytics Cloud Digital Engineering UX Application Services Testing Transformation

HatchWorks AI

Verified

AI Development, Data Engineering, Digital Transformation

Brandon Powell

CEO & Founder

HatchWorks AI is headquartered in Atlanta and focuses on AI and data transformation. Its services include AI development, AI strategy, generative AI, data solutions and software development. The company was founded in 2016 and later shifted its business around generative AI and AI-driven software development.

Team Size250+
LocationAtlanta, Georgia, USA
Min. Project$10,000–$25,000
Hourly Rate$50/hr
AI Development Data Engineering Digital Transformation

Aezion Inc.

Verified

Digital Engineering, AI, Software Development, Application

Chris Kambala

CEO

Aezion is a custom software development and digital engineering company that designs, develops, and delivers technology solutions for businesses. Its services include custom application development, cloud solutions, digital engineering, mobile applications, and technology modernization. Aezion emphasizes long-term client relationships, reliable delivery, and purpose-driven engineering, supporting organizations that need tailored digital products and scalable software capabilities.

Team Size900+
LocationBengaluru, Karnataka
Min. Project$25,000+
Hourly Rate$50–$99/hr
Digital Engineering AI Software Development Application Testing Mobile Apps UX Data/BI RPA

Tata Elxsi

Verified

Artificial Intelligence Development, Software Development, UI/UX

Manoj Raghavan

Founder / CEO

Tata Elxsi is a technology services provider with capabilities in AI, product engineering, embedded software, cloud, IoT and digital experience services. Its value is strongest where AI needs to work with existing applications, data and business processes rather than sit as a separate tool. The company is a relevant option for enterprises seeking an experienced India-based technology partner.

Team Size10,001+
LocationBengaluru, Karnataka
Min. ProjectFrom $25,000
Hourly Rate$100-$149/hr
Artificial Intelligence Development Software Development UI/UX Design Staff Augmentation Mob App Development Testing Services

Tata Technologies

Verified

Software Development, UI/UX Design, Staff Augmentation,

Warren Harris

Founder / CEO

Tata Technologies is among the technology providers businesses can consider when they need AI-enabled product engineering, digital manufacturing, cloud and connected-product services. The service mix suits organizations that need practical AI capabilities built around a defined business use case and measurable operational goals. Its services suit both modernization work and new digital initiatives.

Team Size10,001+
LocationPune, Maharashtra
Min. ProjectFrom $25,000
Hourly Rate$100-$149/hr
Software Development UI/UX Design Staff Augmentation Mob App Development Artificial Intelligence Development

Sonata Software

Verified

IT Staff Augmentation, Mob App Development,

Srikar Reddy

Founder / CEO

With a focus on practical technology delivery, Sonata Software supports organisations through AI, cloud transformation, data engineering, enterprise platforms and application modernisation. Businesses can consider the company when AI needs to improve an existing product, automate a workflow or become part of a larger digital transformation programme. Projects can range from new software products to modernising existing systems and adding AI-led capabilities.

Team Size10,001+
LocationBengaluru, Karnataka
Min. ProjectFrom $25,000
Hourly Rate$50-$99/hr
IT Staff Augmentation Mob App Development AI Development Custom Software Development UI/UX Design

Coforge

Verified

Web Development, AI Development, Software Development,

Sudhir Singh

Founder / CEO

Coforge relevant for projects involving AI, software development, cloud, data engineering, automation and digital transformation services. Its broader technology capabilities also make it suitable for AI projects that depend on cloud platforms, data infrastructure, application modernisation or domain-specific systems. Its service mix can support product, enterprise and transformation programmes.

Team Size10,001+
LocationIndia
Min. ProjectFrom $25,000
Hourly Rate$100-$149/hr
Web Development AI Development Software Development IT Staff Augmentation Application Development UI/UX Design

Wipro

Verified

AI, Cloud, Software Engineering, Data, Cybersecurity,

Srini Pallia

CEO & MD

Wipro is a global information technology, consulting, and business process services company that helps organizations solve complex technology and business challenges. Its capabilities include cloud transformation, artificial intelligence, cybersecurity, data analytics, digital engineering, enterprise applications, and infrastructure services. Wipro serves clients across industries worldwide, combining technology expertise with consulting and operational capabilities to support modernization, efficiency, and innovation.

Team Size230,000+
LocationBengaluru, Karnataka
Min. ProjectUndisclosed
Hourly RateUndisclosed
AI Cloud Software Engineering Data Cybersecurity Digital Engineering Experience Design Testing Transformation
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How to Choose the Right AI Development Company

Choosing the right development partner according to your business requirements can be very complicated. If you have a list of companies and are unsure which one to choose, we understand your problem, don't worry, we have a solution.

You can follow these steps to make the process easier and find the right technology partner that best meets your business requirements.

Relevant AI Expertise and Experience

Checking relevant AI expertise and experience helps you choose the right company for your project. If they have worked on similar projects, you can trust them more and feel confident that they can handle your project properly.

Client Reviews and Reputation

Before choosing a development partner, take some time to check what their previous clients say. Reviews can give you an idea about their communication, project handling, quality of work, and overall reliability. A company with positive feedback and a good reputation can give you more confidence when choosing the right development partner.

Technical Team

It’s important to check the technical team before choosing a development partner. Their skills and experience directly affect how well your project is handled. Make sure the team has the right technical knowledge and can understand your requirements, manage challenges, and deliver the project as expected. 

Pricing and Project Requirements

Don’t look at the price alone first see whether it matches your project requirements. A clear understanding of the project scope helps you know what you’re paying for and what will be delivered. This makes it easier to find a development partner that suits both your requirements and budget. 

Mistakes to Avoid When Choosing an AI Development Partner

Many businesses make mistakes when choosing the right AI development partner for their specific requirements. This checklist can help you avoid mistakes and make a better decision before selecting the right AI development company for your project. 

Mistakes To Avoid:

  • Choosing based only on low cost: Most people making this mistake don't choose a company only because of low pricing. Consider experience, technical skills, quality, and overall project value.
  • Not checking similar AI projects: Check whether the company has completed similar AI projects. Relevant experience helps you understand whether they can handle your requirements.
  • Relying on demos instead of proven results: Don’t depend only on demos. Check previous projects, case studies, and actual results to understand the company’s delivery capabilities.
  • Ignoring security/privacy: Make sure the company understands your security and privacy requirements, especially when your AI project involves sensitive business or customer data.
  • Not clarifying scope, timeline, and ownership: Clearly discuss project scope, timeline, deliverables, and ownership before development starts to avoid confusion or disagreements later.
  • Failing to discuss ongoing support: Discuss post-launch support, maintenance, updates, and issue resolution beforehand to ensure your AI solution remains reliable after deployment.

Questions to Ask Before Hiring an AI Development Partner

Asking the right questions is a good choice before you choose a developing Partner because these questions can help you understand their experience, technical approach, pricing, and support. It also helps you make sure the company is a good fit for your project requirements.

  1. Have you built similar AI solutions?
    Ask about their experience with projects similar to yours to understand whether they can handle your requirements.
  2. Can you show relevant case studies?
    Reviewing previous work helps you understand their capabilities and the results they have delivered for other clients.
  3. Who will work on my project?
    Understand who will be involved and whether the team has the right technical expertise.
  4. Which AI technology or model do you recommend?
    Ask why they recommend a particular technology or model and how it fits your business needs.
  5. How will you protect our data?
    Discuss data security, privacy, access controls, and how your business information will be handled.
  6. What is the estimated cost and timeline?
    Get a clear estimate of the project cost, development timeline, and expected deliverables.
  7. Who owns the source code and IP?
    Clarify ownership of the source code, intellectual property, and other project assets before development begins.
  8. Do you provide post-launch support?
    Ask about ongoing maintenance, updates, monitoring, and technical support after the AI solution goes live.

FAQs

Our top companies list is compiled from verified client reviews, portfolio quality, team expertise, and delivery track record. Rankings are refreshed regularly to reflect the latest verified feedback.