Your data. Your AI. Sovereign AI consulting. ConSol AI is a bit different from the usual AI consulting. We help companies use modern AI in a sensible way—without letting sensitive data end up uncontrolled in US cloud services or locking it into rigid SaaS platforms. Instead of selling licenses for products and AI buzzwords, we work with our customers to develop practical AI solutions based on open technologies, sovereign infrastructu... Read More
Top Software Development Companies in Eastern Europe 2026 Rankings & 1,931 Client Reviews for 151 Service Providers

We have a list of 151 software development companies in Eastern Europe. This list contains matching case studies and references, 1,931 customer reviews, hourly rates, team size and much more. Use the appropriate filter options to find the best Software Development Company for your business requirements.
Featured Software Development Companies
- 201-500> €1,000€100 - €149
Your project, our commitment Vention is a global software development company headquartered in New York, with European hubs in Berlin and Vienna. For over 20 years, Vention has helped startups, established enterprises, and industry innovators develop custom, scalable software solutions. With a network of more than 3,000 highly qualified technology experts, the company delivers solutions customers around the world ca... Read More
1,001-5,000We make your ideas grow! Since 1999, we’ve been developing custom software in Cologne and supporting our clients in digitizing business processes as true partners. Our team of software developers, AI experts, UX designers, and product managers guides clients end to end—starting from the strategic idea, through development, and all the way to long-term operations and ongoing improvement of their software solutions. We... Read More
51-200> €5,000€100 - €149Innovation as a Team We are more than a service provider, we are a partner to our customers. Good source code drives us, because we develop software out of passion. This passion is our core competence. Our employees are experts in their field and pass on their knowledge internally and externally to inspire and encourage others. Through continuous training and certification, we implement our customers' digitalizatio... Read More
51-200> €100,000€100 - €149Implementation of complex systems Chudovo is a custom software development company, focused on complex systems implementation. Customers rely on our expertise, appreciate transparency in time, budget, visibility of work progress, and our assistance in achieving their business objectives with high-quality solutions. Our teams follow best development practices and methodologies and apply their experience in such industries as hea... Read More
51-200> €10,000€25 - €49We love software ISEO Digital Agency - Experts since 2008. We have developed successful software and apps for over 100 customers in various industries. We accompany companies from the vision to the realization. Whether it's a concrete project idea, the takeover of ongoing digital projects or the development of a shared vision, ISEO is your contact. Successfully implemented over 300 digital projects. Professiona... Read More
11-50> €10,000€75 - €99
List of the Best Software Development Companies in Eastern Europe
30% Software Development
11-50> €10,000€25 - €49Odesa, UkraineMaking mobile apps, Flutter Specialists Founded in 2019, AppVesto is a forward-looking technology hub focused on building mobile apps and assembling expert development teams. What sets us apart is our hands-on expertise and training in Flutter, an emerging framework that helps us deliver sophisticated mobile solutions quickly and ensur... Read More20% Software Development
11-50> €10,000< €25Paris, FranceFusion of healthcare and technology MY Synergy is a recognized health technology company that helps reshape healthcare, pharmaceuticals, medical training, and insurance. By pairing deep industry know-how with cutting-edge technology, we close the distance between real business demands and modern digital answers. Our platform uses s... Read More20% Software Development
501-1,000> €100,000€75 - €99Tallinn, EstoniaFull-Cycle IoT and Software Development Yalantis acts as a compliance-led technology partner, delivering complete IoT solutions across software, embedded systems, hardware, and AI. Since 2008, we have helped global clients create secure, connected products that stay aligned with regulatory demands. With our headquarters in Warsaw, Pola... Read More20% Software Development
.NET Framework Django Node.js VueJs React Laravel Angular React Native501-1,000> €50,000€100 - €149Dnipro, UkraineTrusted R&D Partner for More Than 20 Years Apriorit is a software engineering partner specializing in cybersecurity and artificial intelligence. Around the world, we support technology enterprises, mid-sized organizations, and ambitious startups with: • Tailored software product development • Adoption of AI and ML capabilities • Moderniz... Read More20% Software Development
2-10> €1,000€50 - €74Katowice, Polandgetting IT done faster! We guide clients in comparing technology options and shaping an approach that supports both their business objectives and operational processes. Read More15% Software Development
Flutter React JavaScript React Native11-50> €25,000€50 - €74Sumy, UkraineWe transform your ideas into scalable products From Concept to Customers: Turn Your Startup Vision into a Market-Ready MVP At Valtorian, we transform promising early ideas into scalable products prepared for launch—often within 8–12 weeks. Our work is designed for specialists with deep knowledge of a particular industry or niche who are rea... Read More15% Software Development
5,001-10,000> €1,000€25 - €49Cluj-Napoca, RomaniaClients first, Foresight, Teamwork. Based in Tokyo, the multinational NTT DATA Group includes NTT DATA Romania, a company delivering high-quality professional services across more than 50 countries. Its capabilities span consulting, software and systems engineering, and outsourced business IT operations, supported by strong local e... Read More30% Software Development
11-50> €50,000€75 - €99Pravets, BulgariaElectronic IOT experts - Only Senior developers Smartaly has delivered well over 100 IoT solutions across a wide range of sectors, including consumer products, healthcare, industry, smart buildings, and agriculture. From the first concept through large-scale manufacturing, we can take your product all the way. Our 20-person team includes 12 em... Read More- We will find the ideal provider for you! Receive top offers individually selected for you free of charge.
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Sarah Volkmann | talnt.de GmbH"We received top offers from service providers that matched our budget quickly and easily!"
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10% Software Development
2-10> €1,000€25 - €49Amsterdam, NetherlandsFull-Service UX/UI Design Agency Fatobject is a UX/UI design studio that partners with technology firms and high-velocity startups to craft outstanding digital experiences. We collaborate with driven teams to sharpen direction, move quickly, and deliver world-class product design from concept to launch. 🚫 Our core capabilities:... Read More20% Software Development
51-200> €10,000€25 - €49Paris, MoldovaWE ARE FEEL IT Feel IT Services provides web design and development, desktop and mobile solutions, managed services, and maintenance support for mid-market clients across countries such as France, Belgium, and Switzerland. From our Paris headquarters and with the backing of a capable, driven R&D and support tea... Read More10% Software Development
Helmond, NetherlandsIT Services and IT Consulting With more than 26 years of experience, ACTUM Digital is an established implementation and consulting partner trusted across industries. We help organizations gain an edge over the competition through powerful digital platforms. From corporate websites and ecommerce storefronts to online service p... Read More























