Top Blockchain Companies & Developers in Vienna

Ratings Updated: May 12, 2026

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2 Leaders 8 Contenders

10 Companies

Country: Austria

City: Vienna

List of the Top Vienna Blockchain Development Companies

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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.

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1 of 1 reviews is 5 stars

1 new review for Blockchain services

$10,000 – $49,000 avg. project cost

Reviewed 1 time in the past 6 months
Recent client feedback for Nextrope highlights a strong positive sentiment, emphasizing their proactive approach and adaptability. One CEO noted the team's commitment to understanding broader business contexts and providing thoughtful recommendations. The project outcomes included a 100% automated KYC/AML onboarding process and a significant reduction in manual work. Clients appreciated the team's agility in responding to evolving requirements, with one remarking on their impressive flexibility and ownership throughout the collaboration.
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1 of 1 Blockchain reviews are 5 stars

1 new review for Blockchain in past 6 months

$10,000 – $49,000 avg. project cost

Blockchain PROJECT HIGHLIGHT

Blockchain Platform Dev for Real Estate Investment Platform
5.0 — Nextrope developed a blockchain-based real estate tokenization platform for a real estate investment platform. The team designed the system's core architecture and developed the front- and backend. Read more
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Industry Experience

Nextrope has demonstrated expertise across various industries, notably in Business Services, Financial Services, Blockchain, and Real Estate. Clients commend their high-quality deliverables, timely project management, and deep understanding of technology, particularly in blockchain solutions. The overall sentiment is overwhelmingly positive, with businesses in PropTech, EdTech, and Finance praising Nextrope's ability to innovate and enhance operational efficiency. Their consulting and development services have significantly impacted clients' strategic goals, making them a strong fit for projects in these sectors.
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Business services IT Services Financial services Education Manufacturing Engineering Retail Information technology Media Real estate

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Poland (11) United Arab Emirates (2) Estonia (1) Norway (1) England (1)

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RedDuck

5.0 13 reviews

$10,000+

$50 - $99 / hr

10 - 49

Serves Vienna, Austria

Services provided

100% Blockchain

RedDuck is a blockchain development company specializing in delivering comprehensive blockchain solutions, including smart contract development, distributed ledger technology, and decentralized application (DApp) development. Clients consistently praise their technical precision, proactive communication, and ability to deliver projects on time, with a 100% satisfaction rate highlighted across multiple reviews. Their expertise in blockchain technology and strategic product development is noteworthy.

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Reviews mention Knowledgeable
Clients express strong confidence in RedDuck's expertise, highlighting their comprehensive knowledge in development and project management. One client noted, 'Their way of thinking stands out... they bring in information out of another corner, which shows their knowledge.' Additionally, they consistently deliver results ahead of schedule, reinforcing their reliability and understanding of the market. Overall, the sentiment reflects a high level of satisfaction with RedDuck's knowledgeable approach to project execution.

Web Development for Blockchain Game

5.0 Jan 27, 2022

Their way of thinking stands out. Today, it’s all about the market. RedDuck is interested in similar projects, and they’ve been hanging around in the market too. If we talk to them and come up with ideas, they bring in information out of another corner, which shows their knowledge.
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5 of 5 Blockchain reviews are 5 stars

2 new reviews for Blockchain in past 6 months

$50,000 – $199,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Blockchain Development for FinTech Company
5.0 — RedDuck developed a DeFi platform for a financial technology company. The team built the client's smart contracts, backend infrastructure, frontend app, user dashboard, landing website, and a Read more
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Industry Experience

RedDuck demonstrates significant expertise in the Financial Services, Gaming, and Logistics industries, with strong feedback highlighting their proficiency in blockchain development, smart contracts, and project management. Clients praised their ability to deliver secure, efficient solutions tailored to complex requirements, particularly in DeFi and tokenization projects. Overall sentiment is highly positive, particularly within Financial Services, where they are recognized for their innovative approaches and strategic insights, making them a suitable partner for companies in these sectors.
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Financial services Other Industry Logistics & Supply Chain Gaming

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Germany (1) India (1) South Africa (1) Thailand (1) Ukraine (1) United States (1) England (1)

This provider is fluent in 4 languages:

English

German

Ukrainian

Russian

This provider is available in 37 time zones:

Colombia Time (COT)

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Gulf Standard Time (GST)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

India Standard Time (IST)

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Vention

4.9 100 reviews

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Premier Verified

$50,000+

$50 - $99 / hr

1,000 - 9,999

Wien, Austria

Services provided

10% Blockchain

10% AI Development

10% Application Testing +7 services

10% Cloud Consulting & SI

10% Custom Software Development

10% DevOps Managed Services

10% Enterprise App Modernization

10% IT Staff Augmentation

10% Mobile App Development

10% Web Development

Vention is a versatile technology company specializing in software development and staff augmentation services across various industries, including finance, healthcare, and AI. Their reviews consistently highlight their strong project management, clear communication, and ability to integrate seamlessly with clients’ teams. Approximately 90% of reviewers commend Vention's responsiveness and commitment to delivering high-quality solutions.

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Reviews mention Collaborative
The sentiment regarding collaboration is overwhelmingly positive, with clients emphasizing Vention's exceptional communication and teamwork. One client noted that Vention's team integrated seamlessly with their internal staff, fostering a strong sense of partnership. Another highlighted the team's commitment to understanding project needs and providing valuable feedback. Overall, clients appreciate Vention's personable approach, which enhances collaborative efforts, making them feel like an extension of their own teams.

Dev Staff Augmentation for Full-Service Influencer Agency

5.0 May 20, 2023

The team members were very quick which was great. They were overall very agreeable and collaborative in all aspects of the project and the requests. We appreciated their willingness to help all of the time. They also were very kind and thoughtful people, which is also important when we are trying to collaborate as a group.
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Web3 Custom Software Development for Software Company

5.0 Apr 19, 2023

iTechArt Group’s project management was excellent. They worked in a timely manner and were great at managing a three-party relationship. We had close and clear communication with iTechArt Group — we felt they were part of our staff.
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Software Development for Security Firm

5.0 Dec 10, 2018

They're easy to work with and very communicative. They've been able to blend very well within our team and work collaboratively to achieve our goals. Treat them as part of your own team and set expectations at the start of the project.
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Auxiliary App Dev for Entertainment Startup

5.0 Jul 3, 2017

Everybody had email addresses at our company and we would have meetings a couple of times a week over Skype. They take their work quite seriously and they act like they are part of your team. They were always quite open and collaborative and we had a consistently healthy relationship.
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Staff Augmentation for Software Company

5.0 May 16, 2023

For our project we have a Team Lead that manages the daily operations of the team and they integrate with our existing daily scrum calls. As integrated members of the team they will adopt the processes already in place and the transition was pretty seamless. In addition to the team member interaction, we have a monthly call with their manager to sync on higher level status and any issues that may arise.
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2 of 2 reviews are 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 2 times in the past 6 months
Recent reviews for Vention highlight a strong overall sentiment regarding their project management and team collaboration. Clients praised their well-structured communication, timely deliverables, and adaptability to evolving project needs. One client noted, 'The collaboration felt organized, transparent, and aligned with our expectations.' Another highlighted their impressive communication, stating, 'Regular updates on sprint progress using Slack' ensured full visibility. Overall, Vention is recognized for their commitment and effective teamwork, with no significant areas for improvement noted.
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United States (61) England (14) Canada (3) Germany (3) Lithuania (2) Israel (2) Latvia (1) Iceland (1) New Zealand (1) Singapore (1) Spain (1) Sweden (1) France (1) Scotland (1) Cyprus (1)

This provider is fluent in 2 languages:

English

German

This provider is available in 5 time zones:

Greenwich Mean Time (GMT)

Central Standard Time (CST)

Eastern Standard Time (EST)

Pacific Standard Time (PST)

Mountain Standard Time (MST)

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Wien, Austria

2 Gertrude-Fröhlich-Sandner-Straße
Wien, Austria 1100
2 - 5

+43 664 1410056

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Altasoft Software Solutions

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 specializing in providing skilled software developers from various countries to meet specific project needs. They are highly praised for their adept professionals and ability to adapt to new technologies, with clients expressing over 90% positive feedback. Altasoft is noted for their successful track record in meeting deadlines and delivering high-quality work in complex projects.

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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.
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Software

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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.
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Wien, Austria

Johann Strauss Gasse 3-15
Wien, Austria 1040
2 - 5

+436766112310

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THE SWARM DEVELOPMENT GmbH

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.
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Cryptix AG

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.
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Wien, Austria

1 Opernring
Wien, Austria 1010
16 - 20

+43 1 2089895

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CryptIT GmbH

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.
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OG Technologies EU

Not yet reviewed

$25,000+

$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.
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Alpine Blockchain

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.
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OpenValue

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.
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Parsition GmbH

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.
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A.R. Merkeleon GmbH

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.
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Ability to deliver

Focus

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Market Leaders

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Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Vention

2 Altasoft Software Solutions

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top 2 Vienna Blockchain Development Companies

Vention

$50,000+

$50 - $99 / hr

1,000 - 9,999

Wien, Austria

Ability to deliver

39.8/40.0

20/20 Reviews

10/10 Clients & Experience

9.8/10 Market Presence

Service focus

10% Blockchain

90% Other

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Altasoft Software Solutions

$5,000+

$50 - $99 / hr

10 - 49

Wien, Austria

Ability to deliver

20.8/40.0

14.6/20 Reviews

1.7/10 Clients & Experience

4.6/10 Market Presence

Service focus

10% Blockchain

90% Other

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THE SWARM DEVELOPMENT GmbH

$5,000+

$100 - $149 / hr

10 - 49

Wien, Austria

Ability to deliver

10.5/40.0

0/20 Reviews

5.9/10 Clients & Experience

4.6/10 Market Presence

Service focus

20% Blockchain

80% Other

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Cryptix AG

Undisclosed

Undisclosed

10 - 49

Wien, Austria

Ability to deliver

5.5/40.0

0/20 Reviews

0/10 Clients & Experience

5.5/10 Market Presence

Service focus

25% Blockchain

75% Other

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CryptIT GmbH

$5,000+

$150 - $199 / hr

10 - 49

Wien, Austria

Ability to deliver

4.9/40.0

0/20 Reviews

0/10 Clients & Experience

4.9/10 Market Presence

Service focus

20% Blockchain

80% Other

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OG Technologies EU

$25,000+

$50 - $99 / hr

2 - 9

Wien, Austria

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

10% Blockchain

90% Other

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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

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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

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Parsition GmbH

Undisclosed

Undisclosed

10 - 49

Wien, Austria

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

10% Blockchain

90% Other

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A.R. Merkeleon GmbH

$5,000+

$50 - $99 / hr

50 - 249

Pöttelsdorf, Austria

Ability to deliver

6.5/40.0

0/20 Reviews

0/10 Clients & Experience

6.5/10 Market Presence

Service focus

30% Blockchain

70% Other

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Top Blockchain Companies & Developers in Vienna

List of the Top Vienna Blockchain Development Companies

Reviewed 1 time in the past 6 months

Blockchain Platform Dev for Real Estate Investment Platform

Industry Experience

Select Industry to see insights

Reviews mention Knowledgeable

Web Development for Blockchain Game

Blockchain Development for FinTech Company

Industry Experience

Select Industry to see insights

Reviews mention Collaborative

Dev Staff Augmentation for Full-Service Influencer Agency

Web3 Custom Software Development for Software Company

Software Development for Security Firm

Auxiliary App Dev for Entertainment Startup

Staff Augmentation for Software Company

Reviewed 2 times in the past 6 months

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

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List of the Top 2 Vienna Blockchain Development Companies

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