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Top Blockchain Companies & Developers in Johannesburg

Ratings Updated: September 7, 2026

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9 Companies

Country: South Africa

City: Johannesburg

List of the Top Johannesburg Blockchain Development Companies

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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.

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Reviews mention Creative
Nextrope has received positive feedback regarding their creative solutions and high-quality work. A CEO noted their impressive design samples and the beauty of the platform they developed, emphasizing that Nextrope's creativity was evident in the project. The client praised their responsiveness and efficiency, stating that the platform's appealing design contributed to a 90% response rate from potential clients. Overall, the sentiment reflects a strong appreciation for Nextrope's creative capabilities.

Web & Mobile App Development for Content Management Company

5.0 Apr 2, 2020

Nextrope is very creative in their solutions, they provide only the highest quality of work and never settle on less. They also work very fast and respond very quickly to any changes that are required.
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1 of 1 Blockchain reviews are 5 stars

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

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

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RedDuck

5.0 15 reviews

Verified

$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 Distributed Ledger Technology, Smart Contract Development, and Decentralized Application (DApp) Development. Reviews highlight their strong project management skills and responsiveness, with 100% positive feedback on their ability to meet deadlines and adapt to client needs. Clients frequently commend their technical precision and strategic approach, ensuring high-quality deliverables.

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Reviews mention Open to feedback
Clients have consistently praised RedDuck for their openness to feedback and adaptability. One client noted, 'When I gave RedDuck negative feedback, I never got excuses; I got adjusted behavior,' highlighting their willingness to learn and improve. Another client emphasized their 'excellent project management' and quick responses to suggestions. Overall, the sentiment reflects a strong appreciation for RedDuck's responsiveness and commitment to aligning with client needs.

Custom Software Development for Blockchain Company

5.0 Mar 18, 2022

When I gave RedDuck negative feedback, I never got excuses from them — I got adjusted behavior. They were able to take criticism from us and adjust their approach versus blaming the circumstance. RedDuck is on the right track; they should keep doing what they’re doing, and I’m sure they’ll be incredible in a few years.
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Cryptocurrency & Blockchain Dev for Asset Tokenization Co

5.0 Apr 21, 2025

Always quick response to questions, very open to changes and suggestions. Excellent project management.
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6 of 6 Blockchain reviews are 5 stars

1 new review 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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Average Project Cost Breakdown

$50,000 to $199,999 (6) $10,000 to $49,000 (1)

What Clients Have Said
Clients consistently highlight RedDuck's competitive pricing and excellent value for money. For instance, one COO noted that they chose RedDuck for their 'good value for the cost,' while the CEO of InvariFi emphasized that their pricing fit the budget and offered 'great culture fit.' Overall sentiment reflects satisfaction with project outcomes delivered on time and within budget, reinforcing the perception of RedDuck as a reliable and cost-effective partner.
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Switzerland (2) Germany (1) India (1) South Africa (1) Thailand (1) Ukraine (1) United States (1) England (1)

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KB Consulting

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.

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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.
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Advertising & marketing

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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.
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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Johannesburg-based clients praise KB Consulting for their expertise in bespoke Laravel development and BI reporting, delivering a complex web application that supports over 50 users across states with impressive turnaround times and cost efficiency.
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Appstrax Technology

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.

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Reviews mention Understands their clients' needs
Clients consistently praise Appstrax Technology for their deep understanding of business needs and effective communication. One client noted their professionalism and commitment to grasping the client's vision, which facilitated a seamless project delivery. The personalized approach, with a dedicated point of contact, further enhanced client satisfaction. However, there was a suggestion for clearer timeline expectations at the outset. Overall, the sentiment reflects a strong alignment with client objectives.

Website Dev for Digital Inspiration Portal

5.0 Jul 7, 2020

Their professionalism and the fact that they care to understand our business and vision and find a seamless way to deliver that in a platform.
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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.
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Education IT Services

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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.
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DIGITECH AFRICA LTD

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

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Atlegang Digital Assets

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.
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DevExec

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

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.

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Reviews mention Adaptable
Clients have praised Mobiloitte for their adaptability, particularly in addressing last-minute feature requests and security enhancements without compromising deadlines. One client highlighted the Project Manager's ability to maintain clear communication and respond promptly to concerns, which facilitated a smooth development process. Overall, the sentiment regarding adaptability is highly positive, with clients feeling supported and valued throughout the project lifecycle.

Custom Mobile App Dev & Design for Financial Services Firm

5.0 Feb 28, 2025

Another unique aspect was their responsiveness and adaptability. Whether it was last-minute feature requests, security enhancements, or performance optimizations, they handled everything efficiently without compromising on deadlines. Arvind, the Project Manager, played a key role in ensuring smooth coordination and clear communication throughout the project, making the entire development process seamless and stress-free.
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More responsive than most other service providers

Mobiloitte is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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$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.
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Centurion, South Africa

8 Ashwood Drive, Centurion 0185, South Africa
Centurion, South Africa 0185
76 - 100

+1 7816706589

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Exelia Technologies

Not yet reviewed

$5,000+

$50 - $99 / hr

10 - 49

Johannesburg, South Africa

Services provided

10% Blockchain

20% AI Development

20% E-Commerce Development +4 services

20% Mobile App Development

16% Application Testing

10% Web Design

4% IoT Development

Exelia Technologies is a small artificial intelligence firm. They provide Artificial Intelligence and E-Commerce Development and were launched in 2013.
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Johannesburg, South Africa

3 Oakmont Close, The Glades
Johannesburg, South Africa 2000
1

0027(0)82907629

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InfyStrat Software Services

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.
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Johannesburg, South Africa

14, Eglin Road, Sunninghill, Sandton
Johannesburg, South Africa 2191
31 - 40

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Mothore Foundry

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.
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Johannesburg, South Africa

16 Main RdMelville,
Johannesburg, South Africa 2109

+1 (720) 778-1089

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Clutch Leaders Matrix

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

1 KB Consulting

2 Appstrax Technology

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.

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Focus (x-axis)

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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 Johannesburg Blockchain Development Companies

KB Consulting

Undisclosed

< $25 / hr

50 - 249

Sandton, South Africa

Ability to deliver

22.1/40.0

16.2/20 Reviews

1.9/10 Clients & Experience

4/10 Market Presence

Service focus

12% Blockchain

88% Other

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Appstrax Technology

$10,000+

$50 - $99 / hr

10 - 49

Sandton, South Africa

Ability to deliver

21.7/40.0

16.2/20 Reviews

0.6/10 Clients & Experience

4.9/10 Market Presence

Service focus

10% Blockchain

90% Other

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DIGITECH AFRICA LTD

$10,000+

$25 - $49 / hr

10 - 49

Sandton, South Africa

Ability to deliver

5.9/40.0

0/20 Reviews

0.6/10 Clients & Experience

5.3/10 Market Presence

Service focus

10% Blockchain

90% Other

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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

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DevExec

$1,000+

$100 - $149 / hr

2 - 9

Benoni, South Africa

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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Mobiloitte

$1,000+

$25 - $49 / hr

250 - 999

Centurion, South Africa

Ability to deliver

25.7/40.0

13/20 Reviews

6.9/10 Clients & Experience

5.8/10 Market Presence

Service focus

10% Blockchain

90% Other

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Exelia Technologies

$5,000+

$50 - $99 / hr

10 - 49

Johannesburg, South Africa

Ability to deliver

5.2/40.0

0/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

10% Blockchain

90% Other

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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

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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

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Specialties

Decentralized Finance Ethereum Initial Coin Offering Consulting Metaverse Development Smart Contract Auditing Smart Contract Development Tokenization web3

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Top Blockchain Companies & Developers in Johannesburg

List of the Top Johannesburg Blockchain Development Companies

Reviews mention Creative

Web & Mobile App Development for Content Management Company

Blockchain Platform Dev for Real Estate Investment Platform

Industry Experience

Select Industry to see insights

Reviews mention Open to feedback

Custom Software Development for Blockchain Company

Cryptocurrency & Blockchain Dev for Asset Tokenization Co

Blockchain Development for FinTech Company

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Understands their clients' needs

Website Dev for Digital Inspiration Portal

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Adaptable

Custom Mobile App Dev & Design for Financial Services Firm

Mobiloitte is very responsive

Custom Blockchain Development Services

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List of the Top 2 Johannesburg Blockchain Development Companies

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