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Last updated 11 February, 2025
Top LLM Development Companies
Large Language Models (LLMs) are revolutionizing business operations by enabling intelligent automation, advanced text generation, and natural language processing. Leading AI LLM development companies specialize in building and fine-tuning these models to enhance chatbot interactions, virtual assistants, and AI-driven content solutions. At TopDevelopers.co, we simplify your search by curating a list of the most reliable AI LLM development service providers worldwide. Our platform connects businesses with expert AI developers who specialize in building and optimizing large language models for various use cases. Whether you require AI-driven text generation, advanced natural language processing (NLP), or intelligent automation, our vetted companies ensure high-performance results. Explore our carefully selected top AI LLM companies and find the right partner to drive your AI initiatives forward.
List of Top AI LLM Development Companies | LLM Development Company Rankings
87 Companies | Last Updated 01 August, 2025
Empowering Next-Gen Businesses with AI-Driven IT Solutions
Metizsoft Solutions is a leading AI development company in India that offers advanced AI and ML solutions tailored to startups, SMEs, and enterprises. Our experienced AI specialists build intelligent, scalable software across eCommerce, Web, and Mobile & Cloud platforms. Since 2012, we’ve empowered global brands to accelerate growth through innovation and digital transformation. As certified Shopify Experts, we provide end-to-end Shopify development, including custom theme design, app integration, and store optimization. With a strong…Explore the detailed profile of Metizsoft Solutions
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51 to 250
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Up to $25
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Less than - $5000
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India
Building a future with innovative digital solutions
Divtechnosoft is at the forefront of rapid growth in the digital services and consulting sector. Our journey involves collaborating with startups, organizations and corporations, delivering creative and high-quality services. Our extensive services include Artificial Intelligence, Mobile App Development, Web Development, and Digital Marketing, serving clients worldwide. Our team of experts is dedicated to realizing our mission of streamlining business processes and operations, facilitating enterprises to grow rapidly through our core digital solutions.…Explore the detailed profile of Divtechnosoft
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11 to 50
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Up to $25
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$5001 - $10000
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India
Providing IT Solutions Globally
BrainX is a software development firm that works with startups, SMBs & enterprises to craft disruptive digital products that solve real business problems. BrainX is a leading software services company that has managed to rapidly build and grow a world class team of engineers ready to take on diverse and challenging technology projects. We specialize in Mobile, Web, Shopify & AI/ML development. Our clients include Fortune 500 companies, Unicorn start-ups and some of the most prestigious brands in the world. We have expertise in various…Explore the detailed profile of BrainX Technologies
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51 to 250
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$26 - $50
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$25001 - $50000
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USA
Ekotek - Be at the forefront of innovation
Ekotek is a Vietnam and Japan-based software development company serving global clients across industries such as banking & finance, manufacturing, education, and retail. We specialize in delivering high-quality custom software, web/mobile applications, blockchain solutions, and AI-powered technologies. With a team of over 200 experienced professionals, we bring deep technical expertise across…Explore the detailed profile of Ekotek
Extremely happy with the app designed and developed
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51 to 250
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Up to $25
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Less than - $5000
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Vietnam, Japan
SaM Solutions is an international IT-services and software solutions provider with over 30 years of experience. We focus on IT consulting and custom software engineering services for both European and the U.S. markets, leveraging global resources. We provide top-notch services in custom software engineering, eCommerce solutions, portals, content management, mobile apps, embedded development, extended workbench, dedicated nearshore teams and QA services. We serve global international organizations, as well as private companies, delivering technology…Explore the detailed profile of SaM Solutions
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251 to 1000
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$51 - $100
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$10001 - $25000
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Germany, USA, Latvia+2
Founded in 1997, Elinext is one of the top software development companies with offices spread across the globe. We utilize the most recent tech capabilities and build high-quality solutions through them. We provide profound software engineering and services in business analytics, UI/UX design, DevOps, cloud architecture, web development, mobile development, QA and software testing, support, maintenance,…Explore the detailed profile of Elinext
They delivered a robust mobile app!
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251 to 1000
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$26 - $50
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$25001 - $50000
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USA, Germany, France+4
Custom Software Development and IT Consulting
Agiliway is a custom software development and IT consulting company headquartered in Austin, Texas, with development centers in Poland (Krakow) and Ukraine (Lviv, Chernivtsi, Ivano-Frankivsk). By bringing together the most talented engineers, high technical expertise, and passion for technology, we create unique software solutions for our clients that change the world. What we do: Machine Learning and Artificial Intelligence Cloud Services and Migration - AWS - Azure Business Intelligence Enterprise Solutions Custom Software…Explore the detailed profile of Agiliway
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51 to 250
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$51 - $100
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USA, Ukraine, Poland
Award-Winning Web Design and Development Company Dubai
Award-Winning Digital Agency Dubai | Industry Leaders Since 2014 Digital Gravity is a top-rated digital agency headquartered in [Your Location], pioneering cutting-edge web design, development, and digital marketing solutions since 2014. With 500+ successful projects and a 98% client satisfaction rate, we empower businesses to dominate their markets…Explore the detailed profile of Digital Gravity
Professional team
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51 to 250
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Up to $25
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$5001 - $10000
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UAE
IDOL FOR ALL YOUR IT NEEDS
IT IDOL Technologies is a leading custom software development company, specializing in custom software development services tailored to diverse business needs. With expertise in AI & ML, product engineering, mobile app development, and digital commerce, the company delivers scalable, high-performance solutions that drive digital transformation. Businesses looking to hire dedicated software developers can rely on IT IDOL Technologies for end-to-end development, from strategy to deployment. The company also excels in custom AI solutions development,…Explore the detailed profile of IT IDOL Technologies
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51 to 250
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Up to $25
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$5001 - $10000
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India, USA
AI Experts & Big Data Consultants
Addepto is a leading AI consulting company, recognized by Forbes and Deloitte, for delivering cutting-edge AI and Data-driven solutions. We specialize in accelerating process automation and optimization within global enterprises using modern technologies. With a team of AI and Data experts, we are committed to creating customized solutions that convert data into real value for our clients. Our key services include: ▪️AI Consulting ▪️Generative AI ▪️Data Engineering ▪️MLOps Consulting ▪️Big Data Consulting ▪️AI Discovery…Explore the detailed profile of Addepto
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51 to 250
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$51 - $100
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$5001 - $10000
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USA
Top Enterprise Software, Web & Mobile Application Development
Fingent is a trusted IT software services company, delivering innovative digital solutions since 2003. We specialize in end-to-end custom software development for mid-sized to enterprise-level organizations across the globe. With offices in the United States (Boston and New York), India, and the UAE, our global team of 350+ full-time professionals has successfully delivered hundreds of projects that…Explore the detailed profile of Fingent
They follow a systematic and adaptable methodology for effective project management.
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251 to 1000
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$26 - $50
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$5001 - $10000
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USA, UAE, India+1
AI Consultancy & Tech Services
Aimprosoft is an AI consultancy and technology transformation partner helping organizations navigate the complex journey to AI integration. By enabling AI-assisted software development lifecycles for clients, we empower them to deliver products >30% faster without adding headcount. Founded in 2005, the company has grown from 3 to over 350 talents and successfully delivered over 959 projects. We're proud of our clients who have been working with us for 5 and even 16 years. Explore the detailed profile of Aimprosoft
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251 to 1000
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$26 - $50
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$25001 - $50000
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Ukraine, Cyprus
Mobile & Web App Development – Healthcare/HIPAA
We specialize in scalable, cloud-based web and mobile app development, with a strong focus on healthcare. Our expertise includes building 508-compliant and HIPAA-compliant applications that integrate smoothly with wearable and Bluetooth devices. Using AI, machine learning, and generative AI, we enhance app performance, generate data-driven insights, and deliver personalized user experiences. Core Capabilities mHealth, HIPAA-compliant applications (including Bluetooth-connected device integrations) Cloud & Mobile Strategy Product Development:…Explore the detailed profile of Technology Rivers
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11 to 50
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$51 - $100
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$5001 - $10000
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USA
Think Beyond Buffer
At Wan Buffer Services, we are your dedicated growth partners, specializing in Odoo implementation and consultation for MSMEs and large-scale enterprises across diverse industries. With a legacy of excellence and innovation, we have evolved into a leading IT solutions provider, offering cutting-edge ERP, mobility, and digital transformation solutions worldwide. Our success is built on empowering businesses by bringing unique ideas to life with the support of our technical expertise and industry insights. We are committed to leveraging today’s…Explore the detailed profile of Wan Buffer Services
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11 to 50
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Up to $25
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Less than - $5000
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India, Kuwait
Decoding Innovation in AI/ML, Blockchain, DevOps, Data
MoogleLabs is the world-leading and renowned AI development company that offers digital transformation to its clients with its office in Canada. Our Artificial Intelligence Development Company focuses on human empowered automation services. We have an ultimate objective to turn your dream of "Innovative Product Ideas" into reality with our proficient and trained on-demand team. Our cutting-edge AI & ML development services meet the next-gen industry demands of clients with agile artificial intelligence software solutions. Our team…Explore the detailed profile of MoogleLabs
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51 to 250
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$26 - $50
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Less than - $5000
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Canada, USA
We Code Scalable Software
We are a leading custom software development company specializing in building scalable software. We work with SMEs and enterprises across the globe to transform their businesses and help them fill their software development needs. Whether you need app development, blockchain development, cloud-based solutions, system integration services, AI consulting and development services, or other IT services,…Explore the detailed profile of ScalaCode™
The results have been remarkable.
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51 to 250
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$26 - $50
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$5001 - $10000
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USA
WE BUILD & DELIVER SMART SOLUTIONS
Decodermind is an accomplished software development company with a wide-ranging expertise that spans from crafting mobile applications to building robust web solutions. Our journey commenced with a vision, and over the years, we've grown into a formidable team of over 100 tech experts, engineers, and professionals. Our commitment is unwavering when it comes to transforming client ideas into tangible, exceptional software products. At Decodermind, our primary objective is to provide our clients with an unparalleled customer experience. We pride…Explore the detailed profile of Decodermind
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11 to 50
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$26 - $50
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$10001 - $25000
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Pakistan, UAE, UK
Frequently Asked Questions
Large Language Model (LLM) development involves building and training AI models that can understand, generate, and respond to human language. These models are based on deep learning architectures, typically using transformer-based neural networks like GPT or BERT.
LLM development includes tasks such as data preprocessing, model architecture design, training on large datasets, and fine-tuning for specific use cases. The end goal is to create intelligent systems that can perform functions like content generation, summarization, translation, and conversation with a high degree of accuracy and context-awareness.
An LLM development company specializes in creating, customizing, and deploying large language models for businesses and organizations. These companies bring together expertise in machine learning, natural language processing (NLP), and software engineering to build AI solutions tailored to specific needs.
Such firms typically offer end-to-end services — from consulting and strategy to model training, integration, and ongoing support. They help enterprises harness the power of LLMs to automate workflows, improve customer interactions, and enable data-driven decision-making across industries.
An LLM development company offers a wide range of services tailored to help businesses build and implement language-based AI solutions. These services typically include:
- LLM consulting: Assessing business needs and recommending the right model strategy.
- Custom model development: Building LLMs from scratch or refining pre-trained models to fit specific use cases.
- Data preparation and training: Curating and processing large datasets to train or fine-tune models effectively.
- Model fine-tuning: Optimizing models for domain-specific tasks and performance goals.
- System integration: Embedding LLMs into enterprise systems, apps, or workflows.
- Ongoing support and monitoring: Providing maintenance, updates, and performance tracking.
These services enable businesses to leverage LLMs effectively while reducing the complexity of implementation.
Hiring an LLM development company gives organizations access to specialized expertise and advanced AI capabilities. Some key benefits include:
- Faster deployment: Experienced teams accelerate model development and reduce time to market.
- Customized solutions: Models are tailored to meet industry-specific needs and goals.
- Cost efficiency: Outsourcing development avoids the high cost of building in-house AI teams.
- Scalability: Solutions are designed to grow with the business and adapt to changing demands.
- Reduced risk: Professionals help ensure compliance, security, and model accuracy from the start.
Overall, working with an LLM development company helps organizations unlock the full potential of generative AI without the technical overhead.