Top IT Consulting Firms in Eastern Europe 2026 Rankings & 1,006 Client Reviews for 70 Service Providers

We have a list of 70 IT consulting firms in Eastern Europe. This list contains matching case studies and references, 1,006 customer reviews, hourly rates, team size and much more. Use the appropriate filter options to find the best IT Consulting Firm for your business requirements.

  • 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
  • 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
  • AI-first. Data, analytics, and the cloud. Adastra Corporation helps organizations across Germany and Europe turn investments in AI, data, and cloud into measurable business outcomes—securely, responsibly, and at scale. With more than 25 years of experience, Adastra Corporation supports companies in modernizing existing infrastructure, improving operational efficiency, and enabling data-driven decisions through advanced analytics and AI... Read More

    1,001-5,000
    > €25,000
    €100 - €149
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List of the Best Consulting Companies in Eastern Europe

  • 5% IT Consulting

    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
  • 10% IT Consulting

    IT Strategy Project Management
    11-50
    > €10,000
    €25 - €49
    Kyiv, Ukraine
    Your team for proper development Validev is a Ukrainian web development partner for agencies, startups, NGOs, and growing businesses that need reliable WordPress, WooCommerce, custom CMS, web platforms, API integrations, and long-term technical support. Read More
    Website
  • 10% IT Consulting

    Agile Transformation Digital Strategy Digital Transformation IT Strategy Project Management
    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
  • 25% IT Consulting

    Agile Transformation Digital Strategy Digital Transformation IT Strategy Project Management
    11-50
    > €5,000
    €50 - €74
    Sofia, Bulgaria
    We do what is right, not what is easy! We excel at developing, managing and maintaining high-quality websites, web applications, web services, e-commerce solutions and intranets. We work with small to mid-sized companies and startups in all major industries to help them accelerate their global digital impact.What do we have to offer?A... Read More
    Website
  • 10% IT Consulting

    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
  • 15% IT Consulting

    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
  • 10% IT Consulting

    51-200
    > €10,000
    €50 - €74
    Warsaw, Poland
    Driving business improvement through world-class software itCraft - Driving business improvement through world-class softwareAbout UsFounded in 2010, itCraft is an expert software house headquartered in Poland, with offices in Warsaw and Bydgoszcz. We specialize in designing and developing custom software, blending our expertise in product ideation, UX/... Read More
    Website
  • 20% IT Consulting

    Digital Strategy Digital Transformation IT Strategy Project Management
    2-10
    > €5,000
    €75 - €99
    Bucharest, Romania
    Transforming Data into Strategic Insight Business Intelligence (BI) Consulting is a premier advisory firm specializing in transforming data into actionable insights. We empower organizations to make informed decisions through cutting-edge analytics, comprehensive data management solutions, and strategic forecasting. Our team of experts... 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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  • 5% IT Consulting

    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
  • 5% IT Consulting

    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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  • 5% IT Consulting

    11-50
    > €25,000
    Łódź, Poland
    Experienced team dedicated to your project . FiveDotTwelve is an app development company that focuses on working closely with clients and taking a personalized approach to each project. We are passionate about delivering the highest quality products to our clients. We work hard to understand your business needs and then quickly develop an... Read More
    Website
  • 10% IT Consulting

    Digital Transformation IT Strategy
    11-50
    > €1,000
    €75 - €99
    Sofia, Bulgaria
    Your trusted IT solutions partner! Nebosystems is an IT solutions company founded in 2011. We specialize in building and maintaining both physical and virtual (private and public clouds) IT infrastructure. We provide services in the field of cybersecurity, DevOps, IT audit, server colocation, automation of activities related to sy... Read More
    Website
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    Elisa Mützel | Client Success Manager
    Elisa Mützel | Client Success Manager [email protected]
  • 10% IT Consulting

    Digital Strategy Digital Transformation IT Strategy
    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% IT Consulting

    11-50
    > €10,000
    €50 - €74
    Gdańsk, Poland
    Trusted partner in strategic digital transformation FNX Group is a software development company providing high-quality software solutions based on TYPO3, Magento and Symphony and striving to help our customers in digital transformation. Working with clients like HiPP, Danone, Vienna Insurance Group, Metro Group, Leon Kozminski University, publishi... Read More
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  • 10% IT Consulting

    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
  • 5% IT Consulting

    Digital Transformation Project Management
    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
  • 10% IT Consulting

    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
  • 5% IT Consulting

    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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  • 10% IT Consulting

    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
  • 15% IT Consulting

    Digital Transformation IT Strategy Project Management
    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
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