Top 10 AI Software Development Companies in Eastern Europe

Key Takeaways on Top 10 AI Software Development Companies in Eastern Europe

• Gauss - Croatian AI leader with proprietary Gauss Box platform, enterprise-grade security certifications, and over a decade supporting thousands of active users across multiple industries

• ASSIST Software - Romanian powerhouse with 350+ certified engineers, 30+ years experience, and 25+ EU-funded projects specializing in ethical AI development and regulatory compliance

• ELEKS - Enterprise-scale AI development with 2000+ specialists, 96% client recommendation rates, and proven experience managing multi-million dollar implementations for Fortune 500 companies

• Edvantis - Polish company offering flexible "LEGO-like" service models with 98% client satisfaction rate, 400+ completed projects, and 72% mid- to senior-level specialists

• STX Next - Europe's largest Python software house with 500+ professionals, 1000+ delivered projects, and recognition as Clutch Global 1000 company specializing in LLMs and RAG systems

• Deviniti - Clutch's Top Generative AI Company 2024 with 300+ specialists, Forbes Diamond recognition, and proven enterprise-grade AI agent development for major financial institutions

• Dreamix - Bulgarian AI specialist with 17+ years experience serving globally renowned clients like CERN and Coca-Cola, known for decade-long client relationships and cutting-edge generative AI

• Software Mind - Established Polish company with 1600+ engineers, 48-month average cooperation length, and 2000+ delivered projects across Europe, US, and Latin America

• BeeWeb - Armenian boutique firm increasing client development speed by 5X with competitive $25-$49 hourly rates, specializing in cost-effective generative AI solutions and MVP development

• Neoteric - Polish AI developer with 300+ projects across five continents, 90% senior-level experts, and proven performance optimization achieving 1900% speed improvements

1. Gauss

• Founded: 2012

• Location: Osijek, Croatia

• Website: gauss.hr

• Specializes In: AI Strategy Development, Machine Learning Model Development, Custom AI Solutions

• Services: AI strategy development, data analysis, machine learning model development, AI implementation, post-implementation support, custom AI solutions, AI chatbots and virtual assistants, data analysis & reporting tools, automation solutions, AI-powered business process optimization, workforce management solutions, cloud-based platform development

• Starting Price: $10,000+

• Notable Work: Celero One (cloud-based workforce management platform with AI-assisted translation for German client Celero Cloud), Various Croatian government ministries and agencies

We bring over a decade of Croatian expertise to AI development, combining comprehensive consulting with hands-on implementation through our proprietary Gauss Box platform.

You'll find our approach refreshingly practical - we've built cloud-based AI solutions supporting thousands of active users while processing millions of data points across healthcare, finance, retail, manufacturing, and logistics sectors.

What sets us apart is our ability to deliver complete end-to-end solutions from initial strategy through full implementation, all while maintaining enterprise-grade security standards (ISO 27001 and ISO 9001 certified).

If you need reliable, scalable AI solutions with strong project management capabilities, we offer the stability and innovation that both Eastern European businesses and international companies depend on.

2. ASSIST Software

• Founded: 1992

• Location: Suceava, Romania

• Website: assist-software.net

• Specializes In: AI/ML Development, Data Engineering, NLP and Computer Vision

• Services: AI strategy development, machine learning model development, data analysis, NLP solutions, computer vision, predictive analytics, AI implementation, post-implementation support, custom software development, cloud infrastructure, blockchain development, web and mobile development, testing and QA, team augmentation, EU-funded project development

• Starting Price: $10,000+

• Notable Work: DataPACT (Horizon Europe project for ethical AI compliance across 16 countries), AI-powered storyboard generation platform for filmmakers using generative AI

With 350+ certified engineers and over 30 years in the industry, ASSIST Software has carved out a unique position bridging cutting-edge research with commercial AI applications.

Their track record includes over 25 EU-funded projects and partnerships with 160+ European research institutions, giving them deep insights into ethical AI development and compliance automation.

You'll benefit from their dual expertise in both regulatory compliance and advanced technologies like NLP, computer vision, and machine learning.

Having delivered projects ranging from $100,000 to over $1 million, they're particularly valuable for Eastern European enterprises and international organizations that need AI solutions meeting strict regulatory standards while pushing technological boundaries.

3. ELEKS

• Founded: 1991

• Location: Tallinn, Estonia (with major operations in Lviv, Ukraine)

• Website: eleks.com

• Specializes In: Generative AI Solutions, Machine Learning & Deep Learning, Computer Vision & Image Analysis

• Services: Custom generative AI development, machine learning model development, deep learning solutions, computer vision applications, intelligent process automation, AI-powered data analytics, predictive analytics, natural language processing, AI chatbots and virtual assistants, cybersecurity AI solutions, AI strategy consulting, end-to-end AI implementation, MLOps development

• Starting Price: $25,000+

• Notable Work: Latent AI (MLOps SDK development for edge AI startup from prototype to market-ready product), Microsoft Copilot Agent (AI-powered knowledge management system achieving 20% efficiency improvement in support operations)

When Fortune 500 companies need complex AI challenges solved, they turn to ELEKS and their 2000+ specialists spread across multiple continents.

Their secret lies in combining enterprise-scale capabilities with deep technical expertise rooted in physics and mathematics - enabling them to tackle problems that require both software engineering excellence and scientific rigor.

Generative AI, machine learning, and computer vision form their core strengths, backed by multi-million dollar AI implementations.

Large enterprises seeking comprehensive AI transformation will find ELEKS delivers guaranteed delivery excellence, transparent project management, and the long-term strategic partnership needed for mission-critical AI initiatives.

4. Edvantis

• Founded: 2005

• Location: Rzeszów, Poland (with development centers in Lviv, Ukraine and Berlin, Germany)

• Website: edvantis.com

• Specializes In: Predictive AI Model Development, Chatbots & Conversational AI, Natural Language Processing

• Services: AI-assisted software development, custom predictive AI model development, chatbots and conversational AI, natural language processing, voice and speech recognition, data science and machine learning applications, retrieval-augmented generation (RAG) frameworks, AI-powered knowledge management systems, business intelligence tools implementation, predictive analytics, advanced data visualization, custom software development, staff augmentation, dedicated teams

• Starting Price: $10,000+

• Notable Work: Retain (custom predictive AI model for employee engagement measurement for Canadian talent technology vendor), EU Customs AI Chatbot (multilingual RAG-powered chatbot for Lithuanian public sector knowledge management)

Nearly two decades and over 400 completed projects have taught Edvantis something valuable: flexibility wins.

Their "LEGO-like" service models can be combined and reconfigured to match exactly what your business needs, whether you're a Fortune 500 company or a growing startup.

You'll appreciate their transparent co-creation approach, which has earned them a 98% client satisfaction rate and recognition as Clutch Global Winners.

Their specialty lies in predictive AI, conversational AI, and knowledge management solutions, with 72% of their professionals being mid- to senior-level specialists who understand complex business requirements.

If you need AI development partners who can seamlessly integrate with your existing teams while delivering on time and within budget across healthcare, fintech, real estate, and public sector industries, Edvantis offers the reliability and expertise that mission-critical implementations demand.

5. STX Next

• Founded: 2005

• Location: Poznań, Poland (with delivery centers in Poland and Mexico)

• Website: stxnext.com

• Specializes In: Large Language Models (LLMs), Retrieval Augmented Generation (RAG), Generative AI

• Services: Large Language Models development, Retrieval Augmented Generation (RAG), Generative AI solutions, predictive analytics, computer vision, Machine Learning Operations (MLOps), predictive maintenance, AI strategy consulting, custom AI implementations, natural language processing, AI workshops, Python development, data engineering, cloud solutions

• Starting Price: $10,000+

• Notable Work: appliedAI Management Suite (EU AI Act compliance tool for streamlined regulatory compliance), Custom AI Chat System for Advertising Agency (secure generative AI solution preventing data leaks while maintaining OpenAI functionality)

Python runs deep in STX Next's DNA - as Europe's largest Python software house, they've built their AI capabilities on this solid foundation over nearly 20 years.

Their 500+ professionals have successfully delivered over 1,000 projects, creating a unique advantage where traditional software development expertise meets cutting-edge AI innovation.

You'll find their approach particularly valuable if you need Large Language Models, RAG systems, and generative AI solutions that integrate seamlessly into modern cloud infrastructure with exceptional UX design.

Their delivery centers in Poland and Mexico provide flexible nearshoring models, while their recognition as a Clutch Global 1000 company reflects their ability to handle complex AI initiatives across AdTech, FinTech, HealthTech, and other demanding industries that require both reliability and innovation.

6. Deviniti

• Founded: 2004

• Location: Wrocław, Poland

• Website: deviniti.com

• Specializes In: Custom AI Agent Development, LLM Development, Generative AI Solutions

• Services: Custom AI agent development, LLM fine-tuning, generative AI solutions, AI-based contract analysis, automated content classification, intelligent document processing, AI chatbot development, mobile app development, web development, enterprise software development, Atlassian consulting and implementation

• Starting Price: $25,000+

• Notable Work: Credit Agricole AI Agent (AI-powered customer service assistant for banking), AI-based contract analysis tool (legal GenAI for risk analysis and compliance)

Recognition as Clutch's Top Generative AI Company 2024 doesn't come easily - Deviniti earned it through over 20 years of consistent innovation and enterprise-grade AI agent development.

Their approach goes beyond typical chatbots; they create sophisticated AI systems that integrate seamlessly with existing business processes, as demonstrated by their work with major financial institutions like Credit Agricole.

With 300+ specialists and proven expertise in custom LLM development and model fine-tuning for specialized tasks, they excel at building secure, compliant AI solutions that meet enterprise standards.

You'll benefit from their comprehensive approach that takes projects from proof-of-concept through production deployment, backed by Forbes Diamond recognition and the technical excellence needed for complex AI transformations requiring both cutting-edge technology and deep business understanding.

7. Dreamix

• Founded: 2006

• Location: Sofia, Bulgaria

• Website: dreamix.eu

• Specializes In: Generative AI Models, Computer Vision, Machine Learning & Deep Learning

• Services: Generative AI development, machine learning at scale, computer vision solutions, deep learning models, predictive analytics, recommender systems, conversational AI bots, data preparation and migration, ML/AI model security against adversarial attacks, natural language processing, sentiment analysis, document classification

• Starting Price: $50,000+

• Notable Work: British Board of Film Classification (machine learning algorithm for automated content classification), CloudCar (AI-powered in-car personal assistant with voice command processing and driver intent recognition)

CERN, Coca-Cola HBC, and RATIONAL AG don't choose their technology partners lightly - yet they've all trusted Dreamix with their most complex AI challenges.

This Bulgarian powerhouse has spent 17+ years perfecting their craft, ensuring you work with the same dedicated team throughout your entire project journey.

Their specialty lies in generative AI, computer vision, and scalable machine learning solutions that transform how globally renowned companies operate.

You'll benefit from decade-long client relationships and their commitment to long-term partnerships, backed by Forbes recognition and multiple industry awards.

If you're looking for stability and innovation across healthcare, fintech, transportation, and aviation industries, Dreamix delivers the deep domain expertise and cutting-edge AI technologies needed for ambitious transformation projects.

8. Software Mind

• Founded: 1999

• Location: Krakow, Poland

• Website: softwaremind.com

• Specializes In: Machine Learning, Computer Vision, Predictive Analytics

• Services: AI development services, machine learning model development, computer vision solutions, predictive analytics, custom software development, IT staff augmentation, web development, mobile app development, cloud consulting, data science, automated workflow solutions, real-time monitoring systems, business intelligence platforms

• Starting Price: $50,000+

• Notable Work: ML model for scrap metal classification and real-time photo analysis (international recycling company), AI-backed mining monitoring solution for predicting shaft failures (Polish coal mining company)

Scale matters when you're implementing enterprise-grade AI solutions, and Software Mind's 1,600+ engineers across Europe, the US, and Latin America prove this point daily.

Their 48-month average cooperation length with clients speaks volumes about their approach - they're not just vendors, they're long-term partners in your AI transformation.

Over 2,000 delivered projects and 350+ satisfied clients have refined their expertise in machine learning, computer vision, and predictive analytics, particularly for automating workflows and enhancing operational efficiency.

You'll find their strong cultural alignment with Western business practices and proven scalability from AWS and Azure cloud infrastructures invaluable for mission-critical AI implementations that demand both technical depth and reliability.

9. BeeWeb

• Founded: 2015

• Location: Yerevan, Armenia

• Website: beewebsystems.com

• Specializes In: Generative AI Solutions, LLM Integration, Vector Database Development

• Services: AI integration, generative AI development, chatbot development, question-answer systems, LangChain integration, Pinecone vector database implementation, custom software development, MVP development, enterprise web app development, mobile app development, e-commerce development, UI/UX design, cloud solutions, QA & testing, support & maintenance

• Starting Price: $10,000+

• Notable Work: CueCard (AI-powered sales tool with automated follow-up generation and usage analytics), Formally (AI-powered US immigration process streamlining platform for employers and law firms)

Armenia's growing tech ecosystem has produced something special in BeeWeb - a boutique AI development company that increases client development speed by 5X while maintaining competitive hourly rates of $25-$49.

Their approach centers on personalized, result-oriented AI implementations using modern technologies like LangChain, Pinecone vector databases, and large language models without the enterprise-level price tags.

You'll appreciate their agile methodology and commitment to transparency, especially if you're a startup or SME looking to integrate AI into existing workflows or build AI-powered MVPs from scratch.

Their focus on long-term partnerships and 10 years of software development expertise make them particularly valuable for cost-effective AI solutions that don't compromise on quality.

10. Neoteric

• Founded: 2005

• Location: Gdansk, Poland

• Website: neoteric.eu

• Specializes In: Generative AI Development, Machine Learning, Natural Language Processing

• Services: AI development and consulting, generative AI solutions, machine learning model creation, natural language processing, computer vision, custom software development, digital product design, AI chatbot development, predictive analytics, data science services, AI integration, proof of concept development, AI workshops and strategy

• Starting Price: $10,000+

• Notable Work: Complex generative AI platform for customer engagement built in 8 months, GPT-4 chatbot performance optimization achieving 1900% speed improvement (from 40 seconds to 2 seconds response time) for Spren fitness app

Speed and performance optimization define Neoteric's reputation - they've built complex generative AI platforms from scratch in just 8 months while achieving mind-blowing improvements like 1900% speed increases (from 40 seconds to 2 seconds response time).

Their 300+ successful projects across five continents and 5-star Clutch rating reflect a winning combination of rapid development capabilities and comprehensive product design expertise.

You'll work with 90% senior-level experts who understand that enterprise-grade quality doesn't have to mean lengthy development cycles.

Their collaborative approach and proven Scrum methodology ensure transparency throughout complex AI implementations, making them ideal for businesses seeking fast-to-market solutions with proven scalability and performance excellence.