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.

  • ConSol AWARD WINNER TOP RATED

    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

    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

    1,001-5,000
  • We 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 - €149
  • Innovation 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 - €149
  • Implementation 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 - €49
  • We 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
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List of the Best Software Development Companies in Eastern Europe

  • 30% Software Development

    Flutter VueJs Laravel
    2-10
    > €5,000
    €50 - €74
    Timișoara, Romania
    Your idea. Build it. Scale it. Go Further. Szia! That's our word for hello.Whether you meet our team in beautiful Transylvania or cosmopolitan Budapest, you'll be immediately greeted with a loud Szia and a big smile.We're proud of our roots, and that kind of hospitality and warmth are values we share on our team that make us ideal long-te... Read More
    Website
  • 20% Software Development

    201-500
    > €25,000
    €25 - €49
    Lewes, USA
    Credible AI Development Company Alltegrio is a leading custom AI Development company that partners with businesses of all sizes across diverse industries to transform their operations and achieve their goals. We have deep expertise in healthcare, real estate, logistics, retail, fintech, insurance, sports, and banking. Our team... Read More
    Website
  • 25% Software Development

    2-10
    > €1,000
    €75 - €99
    Szczecin, Poland
    Marketing, software and AI from one senior team PQ Impact is a strategic marketing and software development partner for growing businesses in the UK, Poland and the US. Our services are Fractional CMO / Strategic Marketing, Custom Software Development, AI Development, Dedicated Development Teams and AI Visibility (GEO). We use proven software... Read More
    Website
  • 20% Software Development

    Node.js VueJs Angular NestJS
    11-50
    > €10,000
    €25 - €49
    Lutsk, Ukraine
    𝐖𝐞 𝐛𝐮𝐢𝐥𝐝 𝐭𝐡𝐞 𝐬𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐲𝐨𝐮𝐫 𝐨𝐩𝐞𝐫𝐚𝐭𝐢𝐨𝐧𝐬 𝐚𝐜𝐭𝐮𝐚𝐥𝐥𝐲 𝐫𝐮𝐧 𝐨𝐧. Most growing businesses reach a point where manual processes and fragmented tools start holding them back. Since 2010, Wetelo has been helping founders and teams replace that friction with cus... Read More
    Website
  • 25% Software Development

    jQuery Node.js React Docker NestJS
    51-200
    > €10,000
    €25 - €49
    Dnipro, Ukraine
    SysGears (https://sysgears.com/) - a software development company has been providing custom web and mobile solutions for 13 years.We offer to outsource and as a team extension next services:1) TypeScript, JavaScript (React, Next.js, React Native, Node.js), Express, Apollo, and GraphQL.2) Scala (P... Read More
    Website
  • 35% Software Development

    51-200
    > €5,000
    €25 - €49
    Gliwice, Poland
    AI-driven product development B Boldare, Human-first, AI-powered digital product developersB ☘️ Discover our open-source AI products on GitHub: https://github.com/boldare ☘️ Join our AI Product Builders Community: https://youtube.com/playlist?list=PLdvko3YEuQr8VwER1UTvCpi-GBfoAt3fn&si=MRJTfIxOFJZ5R9Kw We develop d... Read More
    Website
  • 10% Software Development

    ASP.NET Core .NET Framework jQuery Flutter Node.js React Angular Docker React Native
    51-200
    > €1,000
    €25 - €49
    Warsaw, Poland
    ull-cycle development of AI solutions, including mobile and web app. We have been developing AI models with high data accuracy for more than 10 years, and our key experts hold PhD degrees. Our team is focused on NLP, AI consulting & development, Machine Learning Engineering, Data Science, and mobile application development for the fields of education and e-lea... Read More
    Website
  • 20% Software Development

    Ruby on Rails Node.js .NET Core Xamarin
    51-200
    > €25,000
    €50 - €74
    Warsaw, Poland
    Build market-leading solutions in reliable partnership with us Mangosoft delivers business-transforming solutions focused on functionality, innovation, and best industry practices. Our projects help clients boost revenues, decrease operational costs, and increase business effectiveness. 90% client recommendation rate $5M+ in client revenue growth f... Read More
    Website
  • We will find the ideal provider for you! Receive top offers individually selected for you free of charge.
    • 1. Fill in the form Let us know your requirements and the recipient of the offers.
    • 2. Receive offers Receive 3-5 top offers, individually selected for you.
    • 3. Non-binding & free You decide whether and with whom you start the project.

    Sarah Volkmann - talnt.de GmbH
    Sarah Volkmann | talnt.de GmbH
    "We received top offers from service providers that matched our budget quickly and easily!"
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  • 30% Software Development

    11-50
    > €10,000
    €50 - €74
    Trinec, Czech Republic
    We do Apps & Complex Software Solutions iDevBand is a digital product house. We create digital products and help companies from all over the world to provide excellent services, scale their operations and increase revenue!What we offerMobile App DevelopmentEnterprise SolutionsStartup ServicesBackend DevelopmentSince 2015, we have been... Read More
    Website
  • 30% Software Development

    jQuery Django Node.js VueJs React Angular Ionic Docker Flask NestJS Material Next.js
    11-50
    > €1,000
    €25 - €49
    Gdańsk, Poland
    Full spectrum of Research and Development services We design, prototype, implement and improve electronic devices. We'll guide you from idea to market-ready product in very short time. Our focus on not just the features of your project, but it’s goals, so you receive only proven solutions. We make products that achieve your business goals. Read More
    Website
  • 20% Software Development

    Django React Angular Docker Svelte Flask
    11-50
    > €5,000
    €25 - €49
    Kyiv, Ukraine
    Customer-oriented web and mobile development Jellyfish.tech is a Ukraine-based web and mobile development team with over 6 years of experience in the market and an impressive track record of more than 75 projects. Our expertise allows us to develop custom digital products from scratch that will delight your users. We rely on proven industry... Read More
    Website
  • 45% Software Development

    ASP.NET Core .NET Framework ASP.NET MVC React .NET Core Xamarin Material
    11-50
    > €10,000
    €25 - €49
    Odorheiu Secuiesc, Romania
    Explorer Consulting was founded in 1998, with the aim to provide business development consultancy for local businesses and continuous educational possibilities outside the traditional education system. The initial portfolio covered topics ranging from foreign language courses, through teaching bu... Read More
    Website
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    Elisa Mützel | Client Success Manager
    Elisa Mützel | Client Success Manager [email protected]
  • 35% Software Development

    11-50
    > €10,000
    €50 - €74
    Budapest, Hungary
    EU-based dev team & custom software for FinTech, EdTech & AI Rollout IT (Runios IT Kft.) is a Budapest-based custom software development and staff augmentation partner, founded in 2018 and now 40+ engineers strong. We build custom digital products and provide dedicated development teams for FinTech, EdTech, and AI-driven organizations, with named enterpris... Read More
    Website
  • 40% Software Development

    Node.js VueJs React Next.js
    11-50
    > €1,000
    €25 - €49
    Kyiv, Ukraine
    Full-cycle web development and AI agents since 2018 Synapse Team is an AI-first full-cycle web development agency founded in 2018. We design and build corporate websites, landing pages, online stores (Shopify, headless Astro + Payload, Vendure), SaaS products and MVPs, and we develop AI agents, chatbots and business automation on top of them.AI sp... Read More
    Website
  • 20% Software Development

    51-200
    > €25,000
    €25 - €49
    Warsaw, Poland
    Let's build state-of-the-art solutions together! Fively is a team of full-stack software engineers inspired by the toughest business challenges. We focus on forward-thinking startups and global outsourcing software development. Our brightest engineers and designers provide our customers with cutting-edge, flawless solutions that are perfectly... Read More
    Website
  • 25% Software Development

    201-500
    €50 - €74
    Warsaw, Poland
    We operate and develop in four areas: • Autonomous Enterprise - automation of business processes using RPA, OCR, and AI. • Business Managment Systems ERP - we implement, adapt, optimize, and maintain flexible, safe, and open ERP of production and distribution companies worldwide. •... Read More
    Website
  • 50% Software Development

    201-500
    > €25,000
    €50 - €74
    Bucharest, Romania
    The human link between financial services and technology Softelligence is a specialist software engineering and data consultancy group. We help develop custom digital solutions for global companies in Insurance, Banking, Pensions, Telecom, Logistics, Energy, EdTech, and Retail. Through a unique mix of software science, design thinking and agi... Read More
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  • 15% Software Development

    ASP.NET Core React .NET Core Docker
    51-200
    Warsaw, Poland
    We are the solution eConsulting is a leading provider of cloud solutions, HCM, DCM, QMS, RIMS, validation services, IT team and staff augmentation, and other IT services for multinational clients from regulated and non-regulated sectors. We boast hard-to-match expertise, especially in Life Science and a proven recor... Read More
    Website
  • 15% Software Development

    51-200
    > €25,000
    €75 - €99
    Oradea, Romania
    Your vision has lifted! LiftUp is a dynamic software and technology consulting firm that specializes in providing world-class design, development, implementation and consulting services to business clients who want to succeed in the digital age.Our goal is to provide our clients with next-generation digital solutions th... Read More
    Website
  • 10% Software Development

    Flutter Django Node.js VueJs React Angular Docker
    11-50
    €50 - €74
    Tallinn, Estonia
    Find Your Perfect-Match Remote Dev in 47 hours 🚀 Dozens of irrelevant CVs cause you headaches, miss roadmap deadlines while looking for the perfect match dev, or struggle with skyrocketing dev team costs?Meet Wild.Codes, the game-changer in your quest for top tech talent. 🚀We're not just another freelance platform or recruitment agency. We're... Read More
    Website
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