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Top Blockchain Companies & Developers in Johannesburg

Ratings Updated: November 7, 2026
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2 Leaders 6 Contenders

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8 Companies

Country: South Africa
City: Johannesburg

List of the Top Johannesburg 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 Johannesburg, South Africa

    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 Timely

    Nextrope consistently demonstrates a strong commitment to timely project delivery, as evidenced by client feedback. For instance, Material Mapper noted that all deliverables were provided on time, exceeding expectations. GrowUp highlighted their proactive communication and adherence to deadlines, while Openmeme praised Nextrope for successfully delivering their token on schedule. Additionally, Choyce.io emphasized that Nextrope was very time-efficient in developing their platform, with all agreed deadlines met. Overall, clients express high satisfaction regarding Nextrope's timeliness.
    • Business Dev Consultancy for Construction Services Startup
      5.0 May 27, 2022

      Nextrope conducted a very thorough analysis of business cases and problems we brought to them and delivered a detailed workshop. Everything was delivered on time and the final result exceeded our expectations.

      Read Full Review
    • Tokenization Platform for IT Service Provider
      5.0 Mar 17, 2022

      The platform was delivered on time and the final result exceeded our expectations. The Nextrope team was very well coordinated. They were serious about deadlines and were very proactive when it came to reporting.

      Read Full Review
    • EIP-20 Ethereum Token for Web3 Solution Provider
      5.0 Mar 12, 2022

      The token was successfully delivered on time and they helped us reach important developmental milestones in creating our system. The communication in the project was on a very high level, there was continuous feedback from both sides.

      Read Full Review
    • Cybersecurity Audit for Blockchain-Based Company
      5.0 Dec 8, 2021

      Nextrope demonstrated great efficiency and speed in carrying out the audit. There were no unnecessary delays.

      Read Full Review
    • Web Dev for Blockchain Dev Company
      5.0 Nov 7, 2021

      Nextrope was very professional, and they delivered the platform on time. All the bugs noticed were successfully fixed.

      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.

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    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.
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    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
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    RedDuck Logotype

    RedDuck

    5.0 17 reviews
    Verified Clutch Guarantee
    $5,000+
    $50 - $99 / hr
    10 - 49
    Serves Johannesburg, South Africa

    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
    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

    Average Project Cost Breakdown

    $50,000 to $199,999 (7) $10,000 to $49,000 (1)

    What Clients Have Said

    RedDuck is frequently recognized for providing excellent value for money, with clients noting that their pricing aligns well with budgetary expectations. One client emphasized that RedDuck offered 'good value for the cost' and consistently delivered on time, while another highlighted the company's ability to meet project needs efficiently. Overall, feedback reflects a positive sentiment regarding cost-effectiveness, with clients expressing satisfaction with the quality of deliverables relative to the investment.
    Read All Reviews

    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 projects from:

    Switzerland (2) United States (2) Germany (1) India (1) Marshall Islands (1) South Africa (1) Thailand (1) Ukraine (1) England (1)
    View Profile Visit Website
    DESH.Group Logotype

    DESH.Group

    5.0 7 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Serves Johannesburg, South Africa

    Services provided

    40% Blockchain
    25% AI Development
    25% UX/UI Design +1 service
    10% Blockchain Marketing

    DESH.Group is a blockchain technology company specializing in distributed ledger development, smart contract development, and decentralized application (DApp) development. They received overwhelmingly positive feedback, with 100% of reviewers praising their integration of web/mobile development and blockchain solutions into a scalable product ecosystem. The company's unique blend of technical and user experience expertise was consistently highlighted.

    See all 7 projects
    2 of 2 reviews are 5 stars
    1 new review for Blockchain services
    $10,000 – $49,000 avg. project cost

    Reviewed 2 times in the past 6 months

    Recent reviews of DESH.Group highlight a strong performance in UI/UX design and development for various projects, with clients noting successful delivery of complex features and improved user satisfaction. One client emphasized the team's proactive communication and ability to meet deadlines, while another praised their expertise in Web3 product development. Despite some suggestions for enhanced communication and initial technical clarity, the overall sentiment reflects high client satisfaction and appreciation for DESH.Group's responsiveness and quality of work.
    Read 2 Recent Reviews

    Industry Experience

    DESH.Group has demonstrated expertise in the Telecommunications and Financial Services industries. In Telecommunications, they excelled in UI/UX redesign, enhancing user satisfaction and reducing support requests significantly. In Financial Services, their strong capabilities in Web3 product development and blockchain integration facilitated the creation of scalable, user-friendly platforms. Overall, their responsive project management and collaborative approach have garnered positive feedback, making them a suitable partner for projects that require innovative design and technical scalability in these sectors.

    Read All Reviews

    Select Industry to see insights

    Financial services

    View projects from:

    Australia (1) Poland (1)
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  • KB Consulting Logotype

    5.0 1 review
    Undisclosed
    < $25 / hr
    50 - 249
    Sandton, South Africa

    Services provided

    12% Blockchain
    16% Custom Software Development
    12% Application Testing +5 services
    12% E-Commerce Development
    12% Enterprise App Modernization
    12% Mobile App Development
    12% Other Application Development
    12% Web Development

    KB Consulting is a bespoke web application development company specializing in advanced systems with Business Intelligence reporting. They received 100% positive feedback for their efficient project management and remarkable turnaround time, with clients highlighting cost-effectiveness as a significant benefit. All reviewers indicated satisfaction with no areas for improvement mentioned.

    See all 1 projects

    Industry Experience

    KB Consulting has received positive feedback primarily within the Advertising & Marketing industry. Clients have highlighted their expertise in bespoke web application development and Business Intelligence reporting integration. Their strengths include effective project management with a focus on timely delivery and cost efficiency. Overall sentiment reflects satisfaction with their collaborative approach and the successful implementation of systems that cater to diverse user bases, making them a strong fit for companies seeking innovative tech solutions in this sector.

    Read All Reviews

    Select Industry to see insights

    Advertising & marketing

    Average Project Cost Breakdown

    $10,000 to $49,000 (1)

    What Clients Have Said

    Clients have noted that KB Consulting offers significant value for money, with one Operations Manager highlighting the 'huge benefit' of their cost structure. The company's efficient turnaround time further enhances their appeal, making them a favorable choice for bespoke development projects. Overall, the sentiment regarding pricing and value is positive, indicating that clients feel they receive quality service relative to the financial investment.
    Read All Reviews

    Review Rating from Clients

    5.0/5.0

    Quality

    5.0

    Schedule

    5.0

    Cost

    5.0

    Willing to Refer

    5.0

    Local businesses commend KB Consulting for handling complex application work, from project scoping and full-stack Laravel development to business intelligence reporting. Johannesburg reviewers cite a deployed knowledge system serving registered and unregistered users, alongside responsive sprint-based management and strong turnaround time.
    Read Local Reviews
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  • Appstrax Technology Logotype

    5.0 2 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Sandton, South Africa

    Services provided

    10% Blockchain
    30% Custom Software Development
    20% Mobile App Development +3 services
    20% Web Development
    10% Enterprise App Modernization
    10% IoT Development

    Appstrax Technology is a versatile software development company specializing in web and mobile app solutions. The company is praised for its professionalism, flexibility, and comprehensive project management, with 100% of reviewers highlighting their effective communication and seamless integration of client vision into deliverables. Some areas for improvement include clearer timeline expectations and refining junior design capabilities.

    See all 2 projects

    Reviews mention High-quality work

    Appstrax Technology has received positive feedback for delivering high-quality work, particularly in the development of a mobile app for a startup. Clients highlighted their solid backend performance and flexibility in accommodating changes without altering contracts. One client noted the successful deployment of the app, which surpassed expectations by allowing for real-time testing with potential users. Overall, the sentiment indicates satisfaction with the team's expertise and commitment to client needs.
    • Mobile App Dev for Bar Ordering App
      5.0 Apr 20, 2020

      One of the things that mattered the most to me was how the backend looked. Because the product would be handling payment transactions, we couldn’t really afford to have bugs. Appstrax is very solid on the backend, and I know that Mikael worked on it personally. The deployment was really smooth on both app stores.

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    Industry Experience

    Appstrax Technology has garnered positive feedback across diverse industries, notably in Education and IT Services. In Education, clients highlighted their professionalism and ability to create impactful digital platforms, enhancing engagement and operational efficiency. In IT Services, their expertise in mobile app development, particularly for startups, was praised for flexibility and backend reliability, making them suitable for tech-driven projects. Overall, Appstrax is well-regarded for understanding client visions and delivering tailored solutions, making them a strong candidate for educational and technology-focused initiatives.

    Read All Reviews

    Select Industry to see insights

    Education IT Services

    Average Project Cost Breakdown

    $10,000 to $49,000 (2)

    What Clients Have Said

    Appstrax Technology has received positive feedback regarding their cost-effectiveness and overall value. Clients noted that the investment, such as the approximately $30,000 spent for a mobile app, yielded satisfactory results and met project goals. One client emphasized the flexibility and professionalism of the team, stating that they delivered a product that exceeded expectations. However, there were mentions of needing clearer timelines at the outset, indicating potential areas for improvement in communication regarding costs and project duration.
    Read All Reviews
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  • DIGITECH AFRICA LTD Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Sandton, South Africa

    Services provided

    10% Blockchain
    20% ERP Consulting and SI
    15% BI & Big Data Consulting & SI +4 services
    15% IT Strategy Consulting
    15% Mobile App Development
    15% Web Development
    10% AI Development

    Small ERP consulting and SI company DIGITECH AFRICA LTD, is located in Victoria, Seychelles and Abidjan, Côte d'Ivoire. Their services include ERP consulting and SI and BI & big data consulting &

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    Sandton, South Africa

    Michelangelo Towers, Sandton , JHB, Gauteng
    Sandton, South Africa 2146

    2 - 5

    See All Locations (3)
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  • Atlegang Digital Assets Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Midrand, South Africa

    Services provided

    40% Blockchain
    30% Blockchain Marketing
    30% Digital Asset Management

    Atlegang Digital Assets is a Blockchain company established in 2020. The team provides Blockchain and Blockchain Marketing.

    Read more
    View Profile
  • DevExec Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    2 - 9
    Benoni, South Africa

    Services provided

    10% Blockchain
    15% BI & Big Data Consulting & SI
    15% Cloud Consulting & SI +6 services
    10% AI Development
    10% Custom Software Development
    10% Cybersecurity
    10% IoT Development
    10% UX/UI Design
    10% Web Design

    DevExec is a big data analytics company in Benoni, South Africa. They focus on BI & big data consulting & SI and cloud consulting & SI and were established in 2004.

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  • Mobiloitte Logotype

    4.5 20 reviews
    $1,000+
    $25 - $49 / hr
    250 - 999
    Centurion, South Africa

    Services provided

    10% Blockchain
    35% AI Development
    15% Mobile App Development +4 services
    10% DevOps Managed Services
    10% IoT Development
    10% Search Engine Optimization
    10% Web Development

    Mobiloitte is a technology company specializing in Blockchain Development, AI integration, and mobile app creation. Across reviews, 100% of clients expressed satisfaction, highlighting their innovative Blockchain Solutions and excellent project management. Approximately 40% noted the need for improved initial communication, but Mobiloitte's tailored approach and timely delivery were consistently praised.

    See all 20 projects

    Reviews mention High-quality work

    Clients consistently praised Mobiloitte for delivering high-quality work, noting their impressive technical expertise and professionalism. One client highlighted the 'quality of code and professionalism' that exceeded expectations for an offshore vendor, while another commended their ability to create a 'scalable, user-friendly, and regulation-compliant platform.' The team's commitment to post-launch support and responsiveness further reinforced the positive sentiment about their high-quality deliverables.
    • Back-End & App Dev for Social Merchandising Service
      5.0 Oct 12, 2018

      We were very impressed by the quality of code and professionalism Mobiloitte provided, despite some misperceptions of working with an offshore vendor. Our app is still performing very well years later.

      Read Full Review
    • Custom Mobile App Dev & Design for Financial Services Firm
      5.0 Feb 28, 2025

      The app’s security features, including data encryption and authentication protocols, ensured compliance with financial regulations and provided users with a trustworthy platform. Regular updates and maintenance from Mobiloitte also contributed to improved app performance and scalability, allowing Taplend to handle a growing number of users and transactions effectively. Overall, the project resulted in a well-optimized, user-friendly, and secure fintech solution that met our business objectives.

      Read Full Review
    • Custom Mobile App Dev & Design for Financial Services Firm
      5.0 Feb 28, 2025

      What stood out most about Mobiloitte was their deep technical expertise, proactive problem-solving approach, and commitment to delivering a high-quality product. Their ability to understand the complexities of the fintech industry and implement secure, efficient solutions was truly impressive. They didn’t just build an app—they created a scalable, user-friendly, and regulation-compliant platform that met all our business needs.

      Read Full Review
    • Custom Mobile App Dev & Design for Financial Services Firm
      5.0 Feb 28, 2025

      Beyond just delivering the app, Mobiloitte’s post-launch support and commitment to continuous improvement made them stand out as well. Their willingness to go the extra mile to refine the product and enhance user experience reaffirmed that we had chosen the right development partner.

      Read Full Review
    Read All Reviews

    View projects from:

    India (3) Canada (1) Ireland (1) United States (1)
    $4,000 Startup Small Business-Starter $100,000 Medium Size Business- Growth $150,000 Enterprises Large Business -Enterprise

    Custom Blockchain Development Services

    Mobiloitte provides a wide range of blockchain solutions, including AI-powered blockchain, public and private blockchain development, hybrid blockchain solutions, decentralized finance (DeFi) platforms, NFT marketplaces, crypto exchange development, and decentralized applications (DApps). We also specialize in tokenization, smart contract audit.
    View Packages

    Centurion, South Africa

    8 Ashwood Drive, Centurion 0185, South Africa
    Centurion, South Africa 0185

    76 - 100

    +1 7816706589

    See All Locations (7)
    View Profile
  • InfyStrat Software Services Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Johannesburg, South Africa

    Services provided

    10% Blockchain
    20% AI Development
    20% IoT Development +4 services
    20% Robotics Process Automation
    10% BI & Big Data Consulting & SI
    10% Cybersecurity
    10% DevOps Managed Services

    InfyStrat Software Services is an IoT development company. The Santa Clarita, California-based agency was established in 2015. Their services include IoT development and Artificial Intelligence.

    Read more

    Johannesburg, South Africa

    14, Eglin Road, Sunninghill, Sandton
    Johannesburg, South Africa 2191

    31 - 40

    See All Locations (2)
    View Profile
  • Mothore Foundry Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Johannesburg, South Africa

    Services provided

    100% Blockchain

    Mothore Foundry is a Blockchain company in Denver, Colorado and Johannesburg, South Africa. They provide Blockchain.

    Read more

    Johannesburg, South Africa

    16 Main RdMelville,
    Johannesburg, South Africa 2109

    +1 (720) 778-1089

    See All Locations (2)
    View Profile

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1 KB Consulting
2 Appstrax Technology

List of the Top 2 Johannesburg Blockchain Development Companies

  1. KB Consulting Logotype

    KB Consulting

    Undisclosed
    < $25 / hr
    50 - 249
    Sandton, South Africa

    Ability to deliver

    21.1/40.0
    16.2/20 Reviews
    1.9/10 Clients & Experience
    3/10 Market Presence

    Service focus

    12% Blockchain
    88% Other
    View Profile Visit Website
  2. Appstrax Technology Logotype

    Appstrax Technology

    $10,000+
    $50 - $99 / hr
    10 - 49
    Sandton, South Africa

    Ability to deliver

    20.5/40.0
    16.2/20 Reviews
    0.6/10 Clients & Experience
    3.7/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  3. DIGITECH AFRICA LTD Logotype

    DIGITECH AFRICA LTD

    $10,000+
    $25 - $49 / hr
    10 - 49
    Sandton, South Africa

    Ability to deliver

    4.6/40.0
    0/20 Reviews
    0.6/10 Clients & Experience
    4/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  4. Atlegang Digital Assets Logotype

    Atlegang Digital Assets

    Undisclosed
    Undisclosed
    2 - 9
    Midrand, South Africa

    Ability to deliver

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

    Service focus

    40% Blockchain
    60% Other
    View Profile Visit Website
  5. DevExec Logotype

    DevExec

    $1,000+
    $100 - $149 / hr
    2 - 9
    Benoni, South Africa

    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
  6. Mobiloitte Logotype

    Mobiloitte

    $1,000+
    $25 - $49 / hr
    250 - 999
    Centurion, South Africa

    Ability to deliver

    24.2/40.0
    13/20 Reviews
    6.9/10 Clients & Experience
    4.4/10 Market Presence

    Service focus

    10% Blockchain
    90% Other
    View Profile Visit Website
  7. InfyStrat Software Services Logotype

    InfyStrat Software Services

    Undisclosed
    Undisclosed
    50 - 249
    Johannesburg, South Africa

    Ability to deliver

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

    Service focus

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

    Mothore Foundry

    Undisclosed
    Undisclosed
    10 - 49
    Johannesburg, South Africa

    Ability to deliver

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

    Service focus

    100% Blockchain
    View Profile Visit Website

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Specialties

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