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

  • 10% Software Development

    Node.js VueJs React .NET Core Angular Docker NestJS React Native
    51-200
    > €10,000
    €100 - €149
    Sofia, Bulgaria
    Time to BUILD LimeChain is a leading Blockchain and DLT solutions company that specializes in helping enterprises and blockchain startups design, build and scale innovative solutions using Blockchain & DLT. Blockchain agnostic, we focus on public and private blockchain development, smart contract deve... Read More
    Website
  • 15% Software Development

    Flutter Node.js React Laravel Docker Flask NestJS Express.js Material Next.js
    11-50
    > €1,000
    €25 - €49
    Warsaw, Poland
    Product-focused development. Predictable delivery. Solway is a product-oriented software development company delivering full-cycle digital solutions for startups and SMBs. We specialize in building web platforms, mobile applications and B2B SaaS systems. Our team combines engineering expertise with product thinking, allowing us to move from... Read More
    Website
  • 5% Software Development

    2-10
    > €1,000
    €25 - €49
    Cluj-Napoca, Romania
    We believe that the technological revolution is just beginning! We are a creative and talented XR development & consultancy company, in Romania, ready to help our clients in the ever changing IT world. We believe that the technological revolution is just beginning, and we want to play a key role in the upcoming transformation of society. We believe A... Read More
    Website
  • 20% Software Development

    11-50
    €25 - €49
    Cluj-Napoca, Romania
    Senior engineers for AI products and process automation. UK, DACH and Nordi 7code is a senior-only software engineering team in Cluj-Napoca, Romania, founded in 2017. We build AI products and automate business processes for SMEs and scale-ups in the UK, DACH and the Nordics, on your working hours.What we do:AI process automation: one process automated end to end, live in... Read More
    Website
  • 40% Software Development

    51-200
    €25 - €49
    Bucharest, Romania
    IT Teams is a company that draws on 16 years of experience in software outsourcing and remote employment. IT Teams aims to bring passionate experts together to help businesses and startups succeed. We deliver the perfect combination of technical skills, methodology and high-speed delivery techniq... Read More
    Website
  • 30% Software Development

    1
    > €1,000
    €75 - €99
    Nowe Warpno, Poland
    Office workflows that keep moving. AB-AI helps businesses automate repetitive office and business processes. It focuses on custom solutions for processes that still involve many manual steps, such as handling emails and documents, transferring data between different systems, and connecting interfaces and automated workflows. In ad... Read More
    Website
  • 10% Software Development

    51-200
    > €25,000
    €50 - €74
    Cluj-Napoca, Romania
    Simplifying life through innovation Linnify is the go-to digital product studio when it comes to transforming ideas within the Health, Education, Wellbeing, and Sustainability industries into successful and scalable products. Founded in 2016 in Cluj-Napoca, Linnify developed over 60 products in more than 10 different cou... Read More
    Website
  • 10% Software Development

    501-1,000
    > €10,000
    €25 - €49
    Warsaw, Poland
    We deliver IT SoftTeco is an AI-augmented software engineering company delivering custom solutions and dedicated teams for businesses across industries. With a strong team of highly skilled software engineers, we deliver professional solutions to clients in Europe, the USA and Canada. SoftTeco has success... Read More
    Website
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    • 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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  • 20% Software Development

    Django VueJs .NET Core Flask
    2-10
    > €25,000
    €50 - €74
    Svilengrad, Bulgaria
    Turning your vision into high-quality, functional, and reliable software We are professional IT service company, specializing in custom software development. We deliver state of the art IT solutions in the areas of Big Data/Hadoop, Blockchain, Web, Cloud & Infrastructure development, DevOps. Our professional IT services include, software architecture & develop... Read More
    Website
  • 20% Software Development

    Ruby on Rails Node.js React React Native
    51-200
    > €10,000
    €50 - €74
    Wrocław, Poland
    Rubyroid Labs: Our fire is your competitive edge Since 2013, Rubyroid Labs helps US and global companies scale, modernize, and stabilize web and mobile products while keeping delivery on track.What we do: Ruby on Rails Development: Take over existing codebases, upgrade unsupported Rails versions, and reduce tech debt - using phased rollout... Read More
    Website
  • 25% Software Development

    Ruby on Rails Node.js Spring MVC VueJs React Angular
    11-50
    > €5,000
    €50 - €74
    Kyiv, Ukraine
    AIoT Everywhere IOT WEB LAB LLC offers high-quality software development to businesses with an idea of great software but do not have the means to create it. We are here to help with the newest technology and best solutions to implement your vision. Read More
    Website
  • 30% Software Development

    11-50
    Warsaw, Poland
    Dedicated development teams in Poland, CIR/CII-accredited ITSharkz is a software engineering company based in Warsaw, Poland, founded in 2018. We provide dedicated development teams (nearshore staff augmentation) for French and European companies. What we do: dedicated development teams and IT staff augmentation, with senior developers integrated into y... Read More
    Website
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    Elisa Mützel | Client Success Manager
    Elisa Mützel | Client Success Manager [email protected]
  • 25% Software Development

    Flutter Node.js VueJs Laravel Angular React Native
    51-200
    > €10,000
    €50 - €74
    Kyiv, Ukraine
    Link the world to digital JoinToIT isn't just a full-cycle software development company, we're your strategic partner in growth. We go beyond coding to truly understand your unique business processes and challenges. Our Top Agency status on Upwork is a testament to our dedication to delivering bespoke solutions that drive... Read More
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  • 15% Software Development

    Symfony Flutter Ruby on Rails CodeIgniter Django Node.js React .NET Core Laravel React Native
    11-50
    > €10,000
    €50 - €74
    Bucharest, Romania
    Discover Your Ideal Talent Pool Uptalen is a staff and recruitment agency specialised in tech industry.Based in Bucharest, Romania, our strategic location allows us to tap into a vast pool of skilled software engineers. Find your A Team today, At Uptalen, we know that the future of work is remote and the tech space is alr... Read More
    Website
  • 5% Software Development

    11-50
    Warsaw, Poland
    Driving changes through AI & Data solutions Addepto is an AI solution provider focused on building cutting-edge AI and Data-driven solutions. Read More
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  • 25% Software Development

    Django Node.js Laravel Angular Ionic NestJS Express.js
    Bucharest, Romania
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  • 15% Software Development

    .NET Framework Flutter Ruby on Rails Django Node.js VueJs React Angular Flask
    201-500
    > €5,000
    €25 - €49
    Rzeszów, Poland
    Creating Digital Success Together Edvantis is a global software engineering company with over 400 talented professionals operating in Central & Eastern Europe and the USA. We have earned the trust of top-tier companies like Indeed, BigCommerce, Kardex Remstar, Unicepta, TrustRadius, and Modulsystem. By partnering wi... Read More
    Website
  • 10% Software Development

    11-50
    €25 - €49
    Kyiv, Ukraine
    Reliable software developer Lemon has been a professional team for software development and ongoing support since 2006. Our core offerings include: custom software engineering, software audits and code refactoring, mobile app development, and UI/UX design. By combining hands-on experience, current technologies, and top-tier... Read More
    Website
  • 10% Software Development

    Django
    2-10
    > €10,000
    €100 - €149
    London, Portugal
    Get fractional access to FANG professionals PX is a product studio built on deep expertise in design, engineering, and product leadership. We help teams turn ideas into real products—from the very first concept through launch—where we particularly excel in e-commerce and retail. Our staff includes specialists who previously served as digit... Read More
    Website
  • 35% Software Development

    Django Node.js Redux VueJs React Angular
    11-50
    > €50,000
    €50 - €74
    Prague 2, Czech Republic
    We build software that works For over 15 years, our Czech-based team has helped businesses move forward with bespoke IT solutions. We create sophisticated web applications, blockchain and fintech platforms, and websites built to handle substantial traffic. Agile practices, including SCRUM, guide the way we manage our project... Read More
    Website
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