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Home Blockchain Austria Vienna

Top Blockchain Companies & Developers in Vienna

Ratings Updated: November 12, 2026
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2 Leaders 9 Contenders

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11 Companies

Country: Austria
City: Vienna

List of the Top Vienna Blockchain Development Companies

  • Featured

    What are Featured Providers?

    Nextrope Logotype

    Nextrope

    5.0 18 reviews
    Premier Verified
    $25,000+
    $50 - $99 / hr
    10 - 49
    Serves Vienna, Austria

    Services provided

    70% Blockchain
    30% Custom Software Development

    Nextrope is a Blockchain Development company specializing in Blockchain Solutions, Smart Contract Development, and Crypto Application Development. All reviews highlight their proactive approach, adaptability, and strong sense of ownership, with 100% positive feedback on their ability to align technological and business strategies effectively. Their expertise contributed to a 60% reduction in manual work and faster investment processes.

    See all 18 projects

    Reviews mention Detail-oriented

    Nextrope has consistently received positive feedback regarding their detail-oriented approach. Clients have noted their impressive standards and meticulous attention to detail, with one stating, "These guys will make sure to squeeze everything out of the problem until you get exactly what you were looking for." Another client highlighted their efficiency in delivering materials without sacrificing quality, emphasizing their ability to produce detailed work swiftly. Overall, the sentiment surrounding Nextrope's detail orientation is overwhelmingly favorable.
    • Digital Marketing for Blockchain Conference
      4.5 Apr 1, 2020

      Attention to detail in delivering materials, with the simultaenous efficiency in doing so very quickly.

      Read Full Review
    • Web Development & Branding for Lifestyle Media Channel
      5.0 Apr 1, 2020

      The standards they set for themselves with their creative work and attention to detail impressed us. These guys will make sure to squeeze everything out of the problem until you get exactly what you were looking for.

      Read Full Review
    Read All Reviews

    Industry Experience

    Nextrope has garnered positive feedback across multiple industries, including Real Estate, Business Services, Financial Services, Education, and Information Technology. Their expertise in blockchain solutions, project management, and adaptability has been highlighted, particularly for developing platforms and consulting on tokenization processes. Clients praised their proactive communication, timely delivery, and ability to provide tailored solutions. Overall, sentiments are highly favorable, suggesting that they are well-suited for projects in technology-driven sectors, particularly those involving blockchain and digital platforms.

    Read All Reviews

    Select Industry to see insights

    Information technology Financial services IT Services Education Engineering Retail Media Business services Real estate Manufacturing

    Average Project Cost Breakdown

    $10,000 to $49,000 (10) Less than $10,000 (4) $50,000 to $199,999 (2)

    What Clients Have Said

    Nextrope is frequently noted for providing excellent value for money, with clients highlighting their cost-effectiveness relative to the quality of service delivered. For instance, one CEO mentioned selecting Nextrope for their 'good value for cost,' while another emphasized the 'high quality of work' achieved within a 'reasonable budget.' Overall, clients express strong satisfaction with Nextrope's pricing, describing their services as both affordable and of high quality, contributing to successful project outcomes.
    Read All Reviews

    More responsive than most other service providers

    Nextrope is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile Visit Website
    RedDuck Logotype

    RedDuck

    5.0 17 reviews
    Verified Clutch Guarantee
    $5,000+
    $50 - $99 / hr
    10 - 49
    Serves Vienna, Austria

    Services provided

    90% Blockchain
    10% Web Development

    RedDuck is a blockchain development company specializing in smart contract development, decentralized application (DApp) development, and blockchain solutions. With a 100% positive feedback rate, clients commend their creative problem-solving, strong project management, and efficient communication, leading to timely deliveries and high-quality products. Approximately 85% of reviewers highlight RedDuck’s expertise in blockchain technology and smart contracts as standout features.

    See all 17 projects

    Reviews mention Adaptable

    RedDuck received high praise for its adaptability throughout the project, demonstrating a strong ability to respond to evolving client needs. The CEO of InvariFi highlighted RedDuck's excellent project management, noting their transparency in communication and quick implementation of feedback. The team effectively managed a complex development process, balancing technical precision with creative vision, which significantly contributed to the timely launch of the platform without issues. Overall, the sentiment reflects RedDuck's professionalism and commitment to client success.
    • Blockchain Development for FinTech Company
      5.0 Apr 23, 2025

      RedDuck demonstrated excellent project management throughout the engagement. They provided regular progress updates, stuck closely to the development timeline, and were transparent about any adjustments. Communication was clear and responsive — our feedback was always taken into account, and changes were implemented quickly. Overall, they showed a high level of professionalism and adaptability to our evolving requirements.

      Read Full Review
    Read All Reviews
    4 of 4 reviews are 5 stars
    3 new reviews for Blockchain services
    $50,000 – $199,999 avg. project cost

    Reviewed 4 times in the past 6 months

    RedDuck has received positive feedback over the last six months, highlighting their effective problem-solving and timely delivery. Clients appreciate their responsiveness and ability to clarify assumptions during projects. For instance, one client noted that RedDuck's architectural advice significantly influenced their project direction. Another client praised their creative approach in developing smart contracts and dApps, emphasizing the company's commitment to innovation. Overall, clients express satisfaction with RedDuck's performance and communication, with no major areas for improvement identified.
    Read 4 Recent Reviews

    Industry Experience

    RedDuck has demonstrated notable expertise across various industries, including Manufacturing, Information Technology, Telecommunications, Financial Services, and Gaming. Clients commend RedDuck for their strong project management, responsive communication, and ability to deliver complex blockchain solutions, particularly in Financial Services where they excelled in DeFi projects. The overall sentiment is highly positive, highlighting RedDuck's capacity for innovative problem-solving and adaptability, making them a suitable partner for projects in technology-driven sectors.

    Read All Reviews

    Select Industry to see insights

    Manufacturing Information technology Logistics & Supply Chain Gaming Other Industry Financial services

    More responsive than most other service providers

    RedDuck is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile Visit Website
  • Wavect GmbH Logotype

    5.0 11 reviews
    Premier Verified Clutch Guarantee
    $5,000+
    $100 - $149 / hr
    10 - 49
    Wien, Austria

    Services provided

    10% Blockchain
    35% Custom Software Development
    25% AI Development +3 services
    10% AI Consulting
    10% Application Testing
    10% Generative AI

    Wavect GmbH is a company specializing in Blockchain Development, Distributed Ledger Development, and Smart Contract Development. Reviews highlight their professional project management, timely delivery, and excellent communication, with 100% of feedback being positive and commending their technical expertise and culture fit. Additionally, 67% of reviewers specifically mention their impressive professionalism and efficiency.

    See all 11 projects

    Reviews mention Easy to work with

    Wavect GmbH has received positive feedback regarding their ease of collaboration. Clients highlighted their attentiveness and timely delivery, with one CEO noting they were 'wonderful to work with' and consistently met project deadlines. Another client emphasized Wavect GmbH's 'ownership mindset' and excellent communication, describing them as an extension of their own team. Overall, the sentiment reflects a strong appreciation for Wavect GmbH's professionalism and commitment to client success.
    • Software Development for AI & Knowledge Engineering Co
      5.0 Jul 29, 2026

      Wave got us up and running to the point where we could then pitch investors and customers alike, and are just a wonderful team to work with. They were on time, attentive, and easy to work with.

      Read Full Review
    • QA, Software Dev & Cybersecurity for Operating System Co
      5.0 Jun 30, 2026

      What impressed me most was their ownership mindset. They challenged assumptions, proposed better approaches, and genuinely cared about the long-term success of the product. Their engineers combine deep technical expertise with excellent communication and execution, making them incredibly easy to work with. Their expertise in QA, testing, and code quality significantly improved the reliability of our platform, and their attention to detail ensured issues were identified long before production.

      Read Full Review
    Read All Reviews

    Industry Experience

    Wavect GmbH has received positive feedback across various industries, including Information Technology, eCommerce, Telecommunications, Financial Services, Arts & Entertainment, and Medical sectors. Clients commend their expertise in technical governance, quality assurance, and product development, particularly in AI, Web3, and cybersecurity. The overall sentiment highlights Wavect GmbH's responsiveness, professionalism, and ability to deliver high-quality solutions on time, making them a strong contender for projects requiring deep technical knowledge and effective management across these diverse industries.

    Read All Reviews

    Select Industry to see insights

    Information technology Medical Arts, entertainment & music Financial services Telecommunications eCommerce

    Average Project Cost Breakdown

    $10,000 to $49,000 (3) $50,000 to $199,999 (2) Less than $10,000 (1)

    What Clients Have Said

    Wavect GmbH has received positive feedback regarding their overall cost and value for money. Clients have noted that the company offers 'good value for cost' and 'pricing that fit our budget.' Multiple reviews highlight their responsiveness and timely delivery, with clients stating they consistently 'overdelivered' and provided 'concrete and actionable recommendations' without demanding additional payment for extra support. Overall, Wavect GmbH is perceived as a cost-effective partner that aligns well with client expectations and project requirements.
    Read All Reviews

    Wien, Austria

    Klimschgasse 2
    Wien, Austria 1030

    2 - 5

    +43 650 6256966

    See All Locations (2)
    View Profile Visit Website
  • Altasoft Software Solutions Logotype

    4.5 1 review
    $5,000+
    $50 - $99 / hr
    10 - 49
    Wien, Austria

    Services provided

    10% Blockchain
    20% IT Staff Augmentation
    20% Mobile App Development +4 services
    20% Web Development
    10% AR/VR Development
    10% Custom Software Development
    10% E-Commerce Development

    Altasoft Software Solutions is an IT outsourcing company that specializes in bridging personnel gaps with skilled software developers, primarily in backend and frontend development. With 100% positive feedback, clients commend their ability to adapt and deliver project needs while providing mid to senior-level developers. Their connections in hard-to-reach countries and expertise in various technologies are highlighted across reviews.

    See all 1 projects

    Industry Experience

    Altasoft Software Solutions has received positive feedback primarily within the Software and Technology industry. Clients commend their expertise in sourcing talented developers, particularly in backend technologies like .NET Core and microservices. Their ability to provide skilled professionals from diverse regions enhances project flexibility and capacity. Overall, clients appreciate Altasoft's commitment to meeting deadlines and delivering quality results, making them a strong partner for software development projects, particularly in regions with talent shortages.

    Read All Reviews

    Select Industry to see insights

    Software

    Average Project Cost Breakdown

    What Clients Have Said

    Clients have expressed that Altasoft Software Solutions provides good value for money, particularly in sourcing skilled developers from diverse countries to meet project needs. One client highlighted their ability to deliver mid to senior-level developers who are eager to learn and adapt, enhancing project outcomes. The long-term partnership indicates satisfaction with pricing flexibility based on budget requirements. Overall, sentiment regarding cost-effectiveness and value is positive, with clients appreciating the quality of talent and service provided.
    Read All Reviews

    Wien, Austria

    Johann Strauss Gasse 3-15
    Wien, Austria 1040

    2 - 5

    +436766112310

    See All Locations (2)
    View Profile
  • THE SWARM DEVELOPMENT GmbH Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    10 - 49
    Wien, Austria

    Services provided

    20% Blockchain
    20% Custom Software Development
    15% E-Commerce Development +7 services
    10% AR/VR Development
    10% Web Design
    5% Cybersecurity
    5% IT Strategy Consulting
    5% Mobile App Development
    5% UX/UI Design
    5% Web Development

    THE SWARM DEVELOPMENT GmbH is a software development company in Wien, Austria. They specialize in Custom Software Development and Blockchain.

    Read more
    View Profile

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  • UASOFTDEV Logotype

    5.0 11 reviews
    $10,000+
    $25 - $49 / hr
    50 - 249
    Wien, Austria

    Services provided

    10% Blockchain
    10% AI Agents
    10% AI Development +7 services
    10% AR/VR Development
    10% Application Testing
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% E-Commerce Development
    10% Generative AI
    10% IT Staff Augmentation

    UASOFTDEV is a versatile IT company specializing in staff augmentation, blockchain development, and custom software solutions. With exemplary project management and communication, they consistently deliver timely, effective results. Their commitment to understanding client needs and providing tailored solutions is highlighted in 100% of reviews, underscoring their reputation for professionalism and the seamless integration of their services.

    See all 11 projects

    Reviews mention Professional

    UASOFTDEV has received overwhelmingly positive feedback regarding their professionalism. Clients have noted their exceptional understanding of business needs, timely delivery, and agile project management. One client highlighted their ability to close five positions in just two weeks, resulting in a 30% profit increase. Another client praised UASOFTDEV as a true extension of their team, emphasizing seamless integration and exceptional customer support. Overall, clients express high satisfaction with UASOFTDEV's services, noting no areas for improvement.
    • Staff Augmentation for Digital Studio
      5.0 Jul 27, 2025

      From the very beginning, their team demonstrated a deep understanding of our business needs and showed exceptional professionalism. Whether it was IT services or customer support, their ability to integrate seamlessly with our internal teams was impressive. They are not just a vendor—they have become a true extension of our team.

      Read Full Review
    • IT Staff Augmentation for Web Development Company
      5.0 Aug 18, 2025

      They deliver on time and work in an agile way. They are spectacular professionals. We communicate online.

      Read Full Review
    Read All Reviews

    Industry Experience

    UASOFTDEV has demonstrated expertise across various industries, notably in business services, information technology, and non-profit sectors. Clients commend their swift staff augmentation capabilities, particularly in areas such as software development, cloud migration, and AI integration. The overall sentiment is highly positive, highlighting UASOFTDEV's strong technical skills, reliability, and seamless integration with client teams, making them a suitable partner for companies seeking growth and innovation in these fields.

    Read All Reviews

    Select Industry to see insights

    Other industries Non-profit Design Information technology IT Services Software Business services

    More responsive than most other service providers

    UASOFTDEV is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch

    Wien, Austria

    Seitenstettengasse 5/37
    Wien, Austria 1010

    1

    See All Locations (50)
    View Profile
  • Cryptix AG Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Wien, Austria

    Services provided

    25% Blockchain
    25% Cloud Consulting & SI
    25% Cybersecurity +1 service
    25% IT Strategy Consulting

    Cryptix AG, an IT strategy consulting company, offers IT strategy consulting and cloud consulting & SI. The agency is headquartered in Zug, Switzerland and Wien, Austria.

    Read more

    Wien, Austria

    1 Opernring
    Wien, Austria 1010

    16 - 20

    +43 1 2089895

    See All Locations (3)
    View Profile
  • CryptIT GmbH Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    10 - 49
    Wien, Austria

    Services provided

    20% Blockchain
    35% Enterprise App Modernization
    20% AI Agents +2 services
    15% Custom Software Development
    10% AI Consulting

    CryptIT GmbH, an Enterprise App Modernization company, is headquartered in Wien, Austria. They provide Enterprise App Modernization and Blockchain and were founded in 2021.

    Read more
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  • OG Technologies EU Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Wien, Austria

    Services provided

    10% Blockchain
    12% IT Strategy Consulting
    10% AI Development +7 services
    10% API Development
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% Cybersecurity
    10% Enterprise App Modernization
    10% Web Development
    8% IT Managed Services

    OG Technologies EU is an IT strategy consulting company. The Wien, Austria-based agency was founded in 2021. Their services include IT strategy consulting and cloud consulting & SI.

    Read more
    $499 Embark on your Web3 journey $999 Elevate your business with Web3 innovation $1,499 Unleash the full potential of your enterprise.

    I will ignite your business with Web3 innovation

    Welcome to OG Technologies EU, your gateway to cutting-edge technology solutions! As the founder, Olvis E. Gil Ríos, I bring a wealth of expertise to elevate your digital experience. Our gig specializes in Web3 development, smart contracts, blockchain solutions, DApp development, and decentralized applications (DApps).
    View Packages
    View Profile
  • Alpine Blockchain Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Brunn am Gebirge, Austria

    Services provided

    30% Blockchain
    30% Blockchain Marketing
    20% Application Testing +1 service
    20% Cybersecurity

    Alpine Blockchain is a Blockchain company. The Brunn am Gebirge, Austria-based team provides Blockchain and Blockchain Marketing.

    Read more
    View Profile
  • OpenValue Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Wien, Austria

    Services provided

    20% Blockchain
    60% Custom Software Development
    20% AI Development

    OpenValue is a software development firm. The Wien, Austria-based team offers Custom Software Development and Artificial Intelligence.

    Read more
    View Profile
  • Parsition GmbH Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Wien, Austria

    Services provided

    10% Blockchain
    30% Mobile App Development
    20% Web Development +8 services
    5% Custom Software Development
    5% Digital Strategy
    5% E-Commerce Development
    5% Graphic Design
    5% Social Media Marketing
    5% UX/UI Design
    5% Video Production
    5% Web Design

    Parsition GmbH is a mobile application development company. Their small team is headquartered in Wien, Austria. Their team specializes in Mobile App Development and Web Development.

    Read more
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  • A.R. Merkeleon GmbH Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    50 - 249
    Pöttelsdorf, Austria

    Services provided

    30% Blockchain
    20% Custom Software Development
    20% E-Commerce Development +4 services
    10% Other Application Development
    10% Web Development
    5% IT Managed Services
    5% Mobile App Development

    A.R. Merkeleon GmbH, a Blockchain company, provide Blockchain and Custom Software Development. They were launched in 2009.

    Read more
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1 Wavect GmbH
2 Altasoft Software Solutions

List of the Top 2 Vienna Blockchain Development Companies

  1. Wavect GmbH Logotype

    Wavect GmbH

    $5,000+
    $100 - $149 / hr
    10 - 49
    Wien, Austria

    Ability to deliver

    35.8/40.0
    19/20 Reviews
    10/10 Clients & Experience
    6.8/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  2. Altasoft Software Solutions Logotype

    Altasoft Software Solutions

    $5,000+
    $50 - $99 / hr
    10 - 49
    Wien, Austria

    Ability to deliver

    19.7/40.0
    14.6/20 Reviews
    1.7/10 Clients & Experience
    3.4/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  3. THE SWARM DEVELOPMENT GmbH Logotype

    THE SWARM DEVELOPMENT GmbH

    $5,000+
    $100 - $149 / hr
    10 - 49
    Wien, Austria

    Ability to deliver

    9.4/40.0
    0/20 Reviews
    5.9/10 Clients & Experience
    3.4/10 Market Presence

    Service focus

    20% Blockchain
    80% Other
    View Profile Visit Website
  4. UASOFTDEV Logotype

    UASOFTDEV

    $10,000+
    $25 - $49 / hr
    50 - 249
    Wien, Austria

    Ability to deliver

    24.6/40.0
    17.6/20 Reviews
    3.6/10 Clients & Experience
    3.4/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  5. Cryptix AG Logotype

    Cryptix AG

    Undisclosed
    Undisclosed
    10 - 49
    Wien, Austria

    Ability to deliver

    4.1/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.1/10 Market Presence

    Service focus

    25% Blockchain
    75% Other
    View Profile Visit Website
  6. CryptIT GmbH Logotype

    CryptIT GmbH

    $5,000+
    $150 - $199 / hr
    10 - 49
    Wien, Austria

    Ability to deliver

    3.7/40.0
    0/20 Reviews
    0/10 Clients & Experience
    3.7/10 Market Presence

    Service focus

    20% Blockchain
    80% Other
    View Profile Visit Website
  7. OG Technologies EU Logotype

    OG Technologies EU

    $1,000+
    $50 - $99 / hr
    2 - 9
    Wien, Austria

    Ability to deliver

    3/40.0
    0/20 Reviews
    0/10 Clients & Experience
    3/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  8. Alpine Blockchain Logotype

    Alpine Blockchain

    Undisclosed
    Undisclosed
    2 - 9
    Brunn am Gebirge, Austria

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    30% Blockchain
    70% Other
    View Profile Visit Website
  9. OpenValue Logotype

    OpenValue

    Undisclosed
    Undisclosed
    50 - 249
    Wien, Austria

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Blockchain
    80% Other
    View Profile Visit Website
  10. Parsition GmbH Logotype

    Parsition GmbH

    Undisclosed
    Undisclosed
    10 - 49
    Wien, Austria

    Ability to deliver

    3/40.0
    0/20 Reviews
    0/10 Clients & Experience
    3/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  11. A.R. Merkeleon GmbH Logotype

    A.R. Merkeleon GmbH

    $5,000+
    $50 - $99 / hr
    50 - 249
    Pöttelsdorf, Austria

    Ability to deliver

    4.3/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.3/10 Market Presence

    Service focus

    30% Blockchain
    70% Other
    View Profile Visit Website

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