Top Blockchain Companies & Developers in South Korea

Ratings Updated: April 29, 2025

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Technoloader Pvt Ltd.

4.9 19 reviews
Verified

$5,000+

$25 - $49 / hr

10 - 49

Serves South Korea

Services provided

60% Blockchain

10% AR/VR Development

10% Custom Software Development +2 services

10% Mobile App Development

10% Web Development

Technoloader Pvt Ltd. offers services in Blockchain Development, including deploying SPL-2022 tokens on the Solana blockchain. Their reviews highlight their exceptional project management, timely delivery, and responsiveness to client needs, with clients particularly impressed by their ability to manage time and provide technical assistance effectively.

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Reviews mention High-quality work

Clients have consistently praised Technoloader Pvt Ltd. for delivering high-quality work, particularly highlighting their strong technical expertise and commitment to project timelines. One client noted the impressive on-time MVP delivery and zero major bugs reported during the app launch, while another emphasized their proactive approach in providing suggestions to enhance functionality. Overall, feedback reflects a positive sentiment towards the company’s reliability, project management, and dedication to meeting client needs effectively.

Mobile App Development for Sports Analytics Co

4.5 Apr 21, 2025

The app passed internal testing, beta testing, and was published live on the Google Play Store with zero major bugs reported in the first rollout phase. WebSocket-based real-time features (likes, comments, match updates) showed <200ms latency under test loads simulating hundreds of concurrent users, validating both backend and Redis pub/sub design. All third-party API calls and cron job executions (for matches, players, and stats updates) maintained a >95% daily success rate post-deployment, with fallback handling in place. Internal and early users praised the smooth UI/UX and responsiveness.

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1 of 2 reviews are 5 stars

Unknown avg. project cost

Reviewed 2 times in the past 6 months

Recent reviews for Technoloader Pvt Ltd. reflect a strong overall sentiment, highlighting their timely delivery and effective communication. Clients praised the company's technical expertise, particularly in developing a real-time cricket fan engagement app, which was launched successfully before a critical deadline. Feedback emphasized their responsiveness to client needs and project management capabilities. Suggestions for improvement included adopting structured project management tools for enhanced transparency. Overall, clients expressed satisfaction with the value provided and the alignment of company values.

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More responsive than most other service providers

Technoloader Pvt Ltd. 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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Canada (1)

India (7)

United States (2)

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Pixelette Technologies

4.8 28 reviews
Premier Verified

$25,000+

$25 - $49 / hr

250 - 999

Serves South Korea

Services provided

40% Blockchain

40% AI Development

10% AR/VR Development +1 service

10% Generative AI

Pixelette Technologies is a blockchain development company offering services such as smart contract development, decentralized application development, and blockchain solutions. Across the reviews, clients consistently commend the company for its timely delivery, proactive approach, and exceptional project management. Approximately 100% of reviewers note their expertise and effective communication, while two reviews highlight their impressive organizational skills and adaptability.

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3 of 4 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 Software Dev & UI/UX Design for Legal Tech Firm

5.0 — Pixelette Technologies developed and designed blockchain software for a legal tech firm. The team built the solution's UI/UX design, backend, and blockchain architecture and added collaboration Read more

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1 of 2 reviews are 5 stars

1 new review for Blockchain services

$50,000 – $199,999 avg. project cost

Reviewed 2 times in the past 6 months

In the past six months, client feedback for Pixelette Technologies has been overwhelmingly positive. Clients commend their exceptional project management, timely delivery, and thorough communication across multiple platforms. A notable instance involved a legal tech company that secured £2 million in funding due to Pixelette's contributions. Another client appreciated the impressive team and effective social media campaign they developed. Overall, clients express high satisfaction and recommend Pixelette Technologies for their expertise in blockchain and AI services.

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France (1)

Pakistan (5)

Panama (1)

United Arab Emirates (3)

United States (1)

England (3)

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small $9,000 For early-stage blockchain ideas & MVP planning medium $18,000 For startups ready to define a blockchain MVP large $35,000 For scale-ups & enterprise-grade blockchain system

Blockchain Discovery & Development Packages

Unlock your blockchain vision with confidence. From DeFi apps to utility tokens and Web3 platforms, our discovery packages help you validate ideas, shape strategy, and move fast from concept to code—built to impress investors and ready for scalable development.

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RedDuck

5.0 12 reviews

$50,000+

$100 - $149 / hr

10 - 49

Serves South Korea

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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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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Average Project Cost Breakdown

$50,000 to $199,999 (5)

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

What Clients Have Said

Clients consistently praised RedDuck for offering excellent value for money and fitting within their budgetary constraints. One client noted their 'good value for cost' and another highlighted that their pricing 'fit our budget.' Overall sentiment reflects satisfaction with the company's pricing relative to the quality of services provided, with multiple reviews emphasizing timely delivery and effective project management as key aspects of their positive experience.

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2 of 2 reviews are 5 stars

2 new reviews for Blockchain services

$50,000 – $199,999 avg. project cost

Reviewed 2 times in the past 6 months

Recent reviews of RedDuck reflect a strong overall sentiment, highlighting their exceptional project management and technical expertise. Clients praised their timely delivery, responsiveness, and adaptability to requirements. Notably, one client commended their 'extremely good understanding' of development needs, while another emphasized the successful launch of a complex DeFi platform within budget and timeline. Overall, clients expressed high satisfaction and noted that RedDuck exceeded expectations in both execution and collaboration.

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Germany (1)

India (1)

South Africa (1)

Thailand (1)

Ukraine (1)

United States (1)

England (1)

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ITDA

Not yet reviewed

$10,000+

$25 - $49 / hr

2 - 9

seoul, South Korea

Services provided

10% Blockchain

20% Custom Software Development

20% E-Commerce Development +4 services

20% Mobile App Development

20% Web Development

5% IT Strategy Consulting

5% Other IT Consulting and SI

Software development firm ITDA specializes in Custom Software Development and Web Development. They were launched in 2021.
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Rock'n'Block

5.0 2 reviews

$10,000+

$50 - $99 / hr

50 - 249

Seoul, South Korea

Services provided

100% Blockchain

Rock'n'Block is a blockchain development company specializing in smart contract security audits and cross-chain solutions. Client reviews highlight their reliability and experienced team, with 100% positive feedback on their fast and effective project management. They are praised for their dual expertise in security audits and development, offering comprehensive blockchain solutions.

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Average Project Cost Breakdown

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

Less than $10,000 (0)

$50,000 to $199,999 (0)

$200,000 to $999,999 (0)

$1,000,000 to $9,999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Clients have expressed satisfaction with Rock'n'Block's cost-effectiveness and value for money, highlighting their reliability and expertise. One project manager noted the quick turnaround and high quality of their smart contract audit, stating, 'they finished it fast, and I like the result.' Overall, clients appreciate the combination of competitive pricing and the dual capability in security audits and development, indicating strong value relative to investment.

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Mckinley & Rice Inc.

4.5 1 review

$25,000+

$25 - $49 / hr

50 - 249

Seoul, South Korea

Services provided

10% Blockchain

25% Mobile App Development

25% Web Development +7 services

10% AI Development

5% Application Management & Support

5% Application Testing

5% Custom Software Development

5% E-Commerce Development

5% Enterprise App Modernization

5% IT Staff Augmentation

Mckinley & Rice Inc. is a web development company specializing in website duplication, customization, and localization using platforms like WordPress and WooCommerce. Feedback is overwhelmingly positive, with 100% of reviews highlighting satisfaction with their fast delivery and responsiveness, particularly under tight deadlines. Clients appreciate their commitment to delivering as per client specifications.

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Average Project Cost Breakdown

Less than $10,000 (0)

$10,000 to $49,000 (0)

$50,000 to $199,999 (0)

$200,000 to $999,999 (0)

$1,000,000 to $9,999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Clients express satisfaction with Mckinley & Rice Inc.'s value for money, highlighting their responsiveness and ability to meet tight deadlines. One client noted, "They do their best to deliver what the client asks," emphasizing their commitment to project management. Additionally, the capacity for fast delivery on a budget was appreciated, with no significant areas for improvement mentioned. Overall, clients feel they receive quality service proportional to the costs incurred.

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SOTATEK JSC

5.0 41 reviews

$10,000+

$25 - $49 / hr

1,000 - 9,999

Seoul, South Korea

Services provided

45% Blockchain

15% Custom Software Development

10% AI Development +3 services

10% CRM Consulting and SI

10% Mobile App Development

10% Web Development

SOTATEK JSC is a proficient blockchain technology company specializing in Blockchain Development, Smart Contract Development, and Decentralized Application Development. The reviews reflect a 100% positive sentiment, highlighting their expertise, adherence to timelines, and excellent project management. Clients commend their deep understanding of blockchain solutions, efficient communication, and commitment to delivering high-quality projects on time.

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Reviews mention High-quality work

The sentiment surrounding SOTATEK JSC's work quality is overwhelmingly positive. Clients consistently highlight their high commitment to deadlines, world-class project outcomes, and responsiveness. For instance, one client noted that their healthcare web project significantly improved patient experience, while another emphasized a 150% increase in users due to SOTATEK's effective app development. Overall, clients express satisfaction with SOTATEK's reliability and technical expertise, indicating that the company consistently meets and exceeds expectations.

Healthcare Web App Development for IT Outsourcing Agency

5.0 Jan 18, 2023

Their world-class quality in both project outcomes and team members was impressive. I am really satisfied with their work, so of course, nothing to complain.

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Blockchain App Dev & Consulting for Cryptocurrency Firm

5.0 Apr 5, 2021

They did a really good job and high-quality work, and they were reliable. The number of users increased 150% comparing with our previous app.

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2 of 2 Blockchain reviews are 5 stars

$50,000 – $199,999 avg. project cost

Blockchain PROJECT HIGHLIGHT

Blockchain & Software Development for Video Game Company

5.0 — SOTATEK JSC has integrated blockchain technology into a video game company's systems. The team has developed a solution to handle in-game transactions and designed a blockchain-based system. Read more

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1 of 1 reviews is 5 stars

$10,000 – $49,000 avg. project cost

Reviewed 1 time in the past 6 months

In the past six months, client feedback for SOTATEK JSC has been overwhelmingly positive. A Project Manager from Alt Vision Pty Ltd praised the team's commitment, expertise, and ability to deliver a robust app foundation promptly. The client highlighted the seamless communication despite time zone differences and noted that SOTATEK JSC provided excellent value for cost. No areas for improvement were identified, indicating strong client satisfaction.

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Albania (1)

Australia (3)

Virgin Islands (British) (1)

Singapore (2)

Vietnam (9)

Switzerland (1)

United States (3)

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Savvycom Software

4.8 9 reviews

$10,000+

$25 - $49 / hr

250 - 999

Seoul, South Korea

Services provided

10% Blockchain

40% Mobile App Development

10% IT Staff Augmentation +7 services

10% Web Development

5% Application Testing

5% Custom Software Development

5% Generative AI

5% IT Managed Services

5% UX/UI Design

5% Web Design

Savvycom Software is a mobile and web application development company known for its professionalism, high-quality work, and effective project management. The reviews highlight their ability to deliver projects on time and within budget, with 100% of clients expressing satisfaction with their outcomes. Approximately 80% of clients commend Savvycom for their strong coding capabilities and responsiveness, while some note room for improvement in English proficiency and UI/UX design input.

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Reviews mention High-quality work

Savvycom Software consistently receives high praise for delivering high-quality work. Clients highlight their professionalism and attention to detail, with one CEO noting the app developed was '100% crash-free' and another emphasizing 'on-time delivery and good quality.' Feedback indicates that Savvycom's team is knowledgeable and dedicated, with clients appreciating their proactive approach and effective project management. Overall, the sentiment reflects strong satisfaction with the quality of deliverables and the collaborative nature of the partnership.

Mobile App Development for Blockchain Solution Company

4.5 Dec 1, 2022

I was impressed with their quality and professionalism. The deliverables were of good quality and delivered on time. Their project management style was clear and well-managed, ensuring efficient communication.

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Mobile App Development for Stylist Booking Platform

5.0 Sep 23, 2019

I am very pleasantly surprised by the attention to detail and functionality of the app. Our MVP works from beginning to end and is 100% crash-free for our users. The app turned out great and is easy to navigate.

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App Development for Meditation Company

5.0 Sep 17, 2019

Our app works very well and doesn’t crash very often. Their work met our expectations. I could bring them an idea for a feature, and even without tons of details, they could make what I was looking for.

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Average Project Cost Breakdown

$50,000 to $199,999 (3)

Less than $10,000 (2)

$200,000 to $999,999 (2)

What Clients Have Said

Savvycom Software is perceived as providing good value for money, with clients highlighting their affordability compared to local alternatives. One CEO noted that costs in Australia would have been six times higher, while another emphasized Savvycom's reasonable pricing for quality work. Clients appreciated the flexibility in pricing and the willingness to incorporate additional changes without extra charges. Overall, the sentiment reflects satisfaction with the cost-effectiveness and quality of service, reinforcing Savvycom's reputation as a cost-efficient partner.

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Australia (2)

Myanmar (1)

Germany (1)

South Korea (1)

Singapore (2)

United States (2)

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Top Blockchain Companies & Developers in South Korea

List of the Top South Korea Blockchain Development Companies

Reviews mention High-quality work

Mobile App Development for Sports Analytics Co

Reviewed 2 times in the past 6 months

Technoloader Pvt Ltd. is very responsive

Blockchain Software Dev & UI/UX Design for Legal Tech Firm

Reviewed 2 times in the past 6 months

Blockchain Discovery & Development Packages

Blockchain Development for FinTech Company

Average Project Cost Breakdown

What Clients Have Said

Reviewed 2 times in the past 6 months

Average Project Cost Breakdown

What Clients Have Said

Average Project Cost Breakdown

What Clients Have Said

Reviews mention High-quality work

Healthcare Web App Development for IT Outsourcing Agency

Blockchain App Dev & Consulting for Cryptocurrency Firm

Blockchain & Software Development for Video Game Company

Reviewed 1 time in the past 6 months

Reviews mention High-quality work

Mobile App Development for Blockchain Solution Company

Mobile App Development for Stylist Booking Platform

App Development for Meditation Company

Average Project Cost Breakdown

What Clients Have Said

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List of the Top South Korea Blockchain Development Companies

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