Top Blockchain Companies & Developers in San Diego
1 Leaders 15 Contenders
17 Companies
List of the Top San Diego Blockchain Development Companies
Sponsored
-
Featured
What are Featured Providers?
$5,000+$50 - $99 / hr10 - 49Serves San Diego, CAServices provided
90% Blockchain10% Web DevelopmentSee all 17 projectsRedDuck 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.
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, 2025RedDuck 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
Was this helpful?
4 of 4 reviews are 5 stars3 new reviews for Blockchain services$50,000 – $199,999 avg. project costRead 4 Recent ReviewsReviewed 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.Was this helpful?
8 of 8 Blockchain reviews are 5 stars3 new reviews for Blockchain in past 6 months$50,000 – $199,999 avg. project costRead 8 ReviewsBlockchain 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 moreWas this helpful?
More responsive than most other service providers
Get in TouchRedDuck is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
-
-
$50,000+$50 - $99 / hr10 - 49Solana Beach, CA
Services provided
10% Blockchain25% Mobile App Development20% Custom Software Development +4 services15% Web Development10% Other Application Development10% Product Design10% UX/UI DesignSee all 12 projectskromeon is a versatile development company specializing in web and mobile app development, with notable expertise in building user-friendly platforms for various industries. The company has received mixed feedback, with approximately 70% of reviews highlighting its professionalism, efficient project management, and technical expertise, while around 30% express concerns regarding customer service and contract fulfillment. Clients appreciate kromeon's streamlined processes and responsive communication, though some report issues with service reliability and contractual disputes.
Reviews mention Accessible
Clients have expressed a highly positive sentiment regarding kromeon's accessibility, noting their availability around the clock. One client specifically highlighted the ease of communication, stating, 'We had the ability to call or text any of our assigned project and product managers.' This level of responsiveness contributed significantly to client satisfaction, reinforcing kromeon's commitment to being readily accessible throughout the project lifecycle.-
App & Web Development for Transportation Company
5.0 Jan 20, 2019They were completely accessible around the clock. We had the ability to call or text any of our assigned project and product managers.
Read Full Review
Was this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Client feedback on Kromeon emphasizes mixed sentiments regarding overall cost and value for money. While some clients praised the cost efficiency of their services, as noted by a client who found Kromeon’s transportation software to be the best and most cost-efficient solution, others expressed dissatisfaction with the value received relative to the high fees paid, citing issues with service delivery and professionalism. One client reported spending nearly $100,000 for app development but faced significant service issues, leading to a loss of trust and claims of unfulfilled contracts.Was this helpful?
View projects from:
Was this helpful?
Review Rating from Clients
4.3/5.0
Quality
4.3
Schedule
4.3
Cost
4.4
Willing to Refer
4.4
Reviewers in San Diego highlight kromeon’s ability to turn app concepts into tested iOS and Android products, including a location-based connection feature. They also commend its consumer testing, careful workflow, and reliable support.Read Local ReviewsWas this helpful?
-
-
UndisclosedUndisclosed250 - 999San Diego, CA
Services provided
25% Blockchain25% Packaging Design25% Product Design +1 service25% Warehousing & DistributionGFA, a Product Design company, was established in 2010. They focuses on Product Design and Packaging Design.
Read moreSee All Locations (4)San Diego, CA
Emerald Plaza 402 West Broadway Suite #400 San Diego, CA 92101
San Diego, CA 9210110 - 15
+1 858 309 5463
Was this helpful?
-
$5,000+$25 - $49 / hr50 - 249San Diego, CA
Services provided
20% Blockchain20% Business Consulting10% Corporate Training & Coaching +6 services10% Digital Strategy10% E-Commerce Development10% Mobile App Development10% Social Media Marketing5% Content Marketing5% Web DevelopmentFounded in 2022, Blocklead Venture Studio is a midsize San Diego, California-based Blockchain company. Their services include Blockchain and Business Consulting.
Read more -
$10,000+$50 - $99 / hr2 - 9San Diego, CA
Services provided
10% Blockchain50% Custom Software Development25% Web Development +2 services10% Mobile App Development5% Enterprise App ModernizationIntegral Stack is a custom software development firm. Based in San Diego, California, their team offers Custom Software Development and Web Development.
Read more -
$50,000+$100 - $149 / hr10 - 49Carlsbad, CA
Services provided
10% Blockchain30% AI Development20% Custom Software Development +5 services10% AR/VR Development10% IT Staff Augmentation10% Web Design5% Market Research5% Marketing StrategySee all 1 projectsEpik Systems is a platform development company known for its expertise in delivering tailored solutions. They received 100% positive feedback for exceeding expectations and delivering projects on time. Reviewers highlight their deep understanding of complex problems and adaptability to changing concepts, showcasing their commitment to client satisfaction in sustainability-focused initiatives.
Industry Experience
Epik Systems has demonstrated strong capabilities in the telecommunications industry, particularly in developing platforms that support sustainability initiatives. Clients commend their subject matter expertise and adaptability in project management, consistently delivering on time and exceeding expectations. The overall sentiment is highly favorable, highlighting Epik's effectiveness in addressing complex challenges and delivering impactful solutions in telecommunications.
Read All ReviewsSelect Industry to see insights
TelecommunicationsWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients have praised Epik Systems for providing excellent value for money, noting their strong understanding of project requirements and effective solutions. One CTO highlighted that they delivered a carbon exchange platform on time and exceeded expectations, indicating satisfaction with both cost and results. Overall, the sentiment reflects confidence in the company's pricing relative to the quality of service rendered, with no reported areas for improvement regarding value.Was this helpful?
-
UndisclosedUndisclosed2 - 9San Diego, CA
Services provided
30% Blockchain10% Blockchain Marketing10% Custom Software Development +5 services10% DevOps Managed Services10% Mobile App Development10% Product Design10% UX/UI Design10% Web DevelopmentEscape is a Blockchain company. Headquartered in San Diego, California, the firm was established in 2023. Their team provides Blockchain and UX/UI Design.
Read more -
UndisclosedUndisclosed50 - 249San Diego, CA
Services provided
15% Blockchain15% AI Development15% Cloud Consulting & SI +5 services15% IT Managed Services15% IoT Development10% Application Testing10% Custom Software Development5% Enterprise App ModernizationVetsEZ is a cloud consulting & SI company. The company is headquartered in San Diego, California. Their services include cloud consulting & SI and IT managed services.
Read more -
UndisclosedUndisclosed2 - 9Vista, CA
Services provided
100% BlockchainLaunched in 2019, Yoonify Inc, a small Blockchain company, is in Wilmington, Delaware and Vista, California. Their services include Blockchain.
Read moreSee All Locations (2)Vista, CA
745 Breeze Hill Road
Vista, CA 920811
Was this helpful?
-
UndisclosedUndisclosed10 - 49San Clemente, CA
Services provided
100% BlockchainSpace and Time is a Blockchain company. They are located in San Clemente, California. Their team provides Blockchain.
Read more -
UndisclosedUndisclosed50 - 249Escondido, CA
Services provided
10% Blockchain10% AI Development10% Application Testing +7 services10% BI & Big Data Consulting & SI10% Cloud Consulting & SI10% DevOps Managed Services10% Digital Engineering10% IT Managed Services10% IT Staff Augmentation10% Mobile App DevelopmentPrakat Solutions, a data analytics company, was established in 2009. The agency offers BI & big data consulting & SI and cloud consulting & SI.
Read more -
$5,000+$25 - $49 / hr50 - 249Laguna Niguel, CA
Services provided
10% Blockchain30% Custom Software Development25% AI Development +2 services20% ERP Consulting and SI15% Web DevelopmentSee all 6 projectsMeGaDev is a Blockchain Development company specializing in Blockchain Technology and Smart Contract Development. With 100% positive feedback, clients commend their professionalism and exceptional project management. Notably, 50% of reviewers highlight their ability to meet deadlines and 100% appreciate their effective communication and cultural fit.
Reviews mention Great team
Clients consistently commend MeGaDev for their exceptional team dynamics and communication skills. One CEO highlighted their 'fantastic' communication and noted the 'great culture and relationship' established during their blockchain project collaboration. The positive sentiment reflects a strong fit between client expectations and MeGaDev's team capabilities, with no reported areas for improvement, reinforcing their reputation as a reliable tech partner.-
Web Dev for IT Services Company
5.0 Jun 12, 2023We mostly communicate with the BDM and development team. Their communication skills are fantastic. Great culture and relationship.
Read Full Review
Was this helpful?
Industry Experience
MeGaDev has demonstrated expertise across various industries, including Gaming, IT Services, and Other sectors like Web3. Clients praised their ability to enhance user experience, optimize web performance, and successfully implement blockchain solutions. Overall sentiment reflects strong satisfaction with project management, responsiveness, and the quality of deliverables, making MeGaDev a suitable partner for companies seeking innovation and effective technical solutions, particularly in digital development and blockchain projects.
Read All ReviewsSelect Industry to see insights
Gaming Other Industry Human Resources IT ServicesWas this helpful?
View projects from:
Was this helpful?
See All Locations (6)Laguna Niguel, CA
28202 Cabot Road
Laguna Niguel, CA 926771
Was this helpful?
-
-
$10,000+$50 - $99 / hr50 - 249Mission Viejo, CA
Services provided
10% Blockchain15% AI Development15% Generative AI +6 services10% AI Consulting10% Custom Software Development10% IT Managed Services10% IT Staff Augmentation10% Mobile App Development10% Web DevelopmentSee all 12 projectsAccelOne is a software development company specializing in web and mobile app development, frontend engineering, and software augmentation. The reviews demonstrate overwhelmingly positive feedback, with about 90% highlighting their expertise in handling complex projects, responsive communication, and seamless integration with client teams. Clients frequently praise their competitive pricing, high-quality deliverables, and strong project management skills, with over 70% acknowledging their ability to adapt to changing needs and deliver on tight deadlines.
Reviews mention Openness
Clients consistently highlight AccelOne's openness and collaborative spirit throughout their projects. One client noted their willingness to adapt to changes and integrate seamlessly with the client's team, stating, 'They were always open and flexible.' Additionally, their cautious approach to not overcommit was appreciated, reflecting responsibility and transparency. Overall, the sentiment is highly positive, emphasizing AccelOne's commitment to fostering a cooperative working relationship.-
Cash Management System for Bitcoin Company
5.0 Aug 16, 2018They were open and they integrated with us as a seamless team. The developers worked remotely. We had daily calls, group meetings, and planning sessions. They used Trello initially, but when we incorporated our own Scrum master, we migrated everything to Jira, and they were open to that. We worked in a Scrum methodology so we could iterate the different versions quickly. They were always open and flexible. It was amazing.
Read Full Review
Was this helpful?
More responsive than most other service providers
Get in TouchAccelOne is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
View projects from:
Was this helpful?
See All Locations (3)Mission Viejo, CA
26060 Acero
Mission Viejo, CA 926911
(800) 863-6814
Was this helpful?
-
-
UndisclosedUndisclosed2 - 9Laguna Beach, CA
Services provided
50% Blockchain50% Blockchain MarketingLaunched in 2019, Republiqe is a Blockchain and Blockchain Marketing company. Their team focuses on Blockchain and Blockchain Marketing.
Read moreSee All Locations (3)Laguna Beach, CA
1968 South Coast Hwy #2661
Laguna Beach, CA 926511
Was this helpful?
-
UndisclosedUndisclosed2 - 9San Diego, CA
Services provided
100% BlockchainBlockchain company W3BT was launched in 2018. In San Diego, California, the team focuses on Blockchain.
Read more -
UndisclosedUndisclosed2 - 9Carlsbad, CA
Services provided
100% BlockchainBlockchain company Dealbox, Inc. Offers Blockchain. They are headquartered in Carlsbad, California.
Read more -
UndisclosedUndisclosed2 - 9Carlsbad, CA
Services provided
100% BlockchainSmall Blockchain company SmartBlocks, is in Carlsbad, California. Their services include Blockchain.
Read more -
UndisclosedUndisclosed10 - 49San Juan Capistrano, CA
Services provided
20% Blockchain20% Cloud Consulting & SI20% IoT Development +2 services20% Mobile App Development20% Web DevelopmentTerse Software is a Blockchain company. Established in 2017, the team offers Blockchain and cloud consulting & SI.
Read moreSee All Locations (2)San Juan Capistrano, CA
26366 Camino De Vista, San Juan
San Juan Capistrano, CA 92675Was this helpful?
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My MatchesTell us what you need — we’ll match you with top agencies and their real-time quotes in minutes.
Get My QuotesLook for Verified Providers
Clutch conducts a rigorous verification process, confirming a provider’s business registration, legal history, credit background, and client feedback to be legitimate, so you can trust their ability to deliver. Learn more
Hire with confidence
Clutch Certification badges show the service areas a provider specializes in, backed by 3+ verified, high-rated reviews in the last 24 months. Learn more
Why Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
Rollover to see company insights or click a company below for more details.
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 1 San Diego Blockchain Development Companies
-
$50,000+$50 - $99 / hr10 - 49Solana Beach, CA
Ability to deliver
26.9/40.014.6/20 Reviews8.4/10 Clients & Experience3.9/10 Market PresenceService focus
10% Blockchain90% Other -
UndisclosedUndisclosed250 - 999San Diego, CA
Ability to deliver
3.4/40.00/20 Reviews0/10 Clients & Experience3.4/10 Market PresenceService focus
25% Blockchain75% Other -
$5,000+$25 - $49 / hr50 - 249San Diego, CA
Ability to deliver
3/40.00/20 Reviews0/10 Clients & Experience3/10 Market PresenceService focus
20% Blockchain80% Other -
$10,000+$50 - $99 / hr2 - 9San Diego, CA
Ability to deliver
3.4/40.00/20 Reviews0/10 Clients & Experience3.4/10 Market PresenceService focus
10% Blockchain90% Other -
$50,000+$100 - $149 / hr10 - 49Carlsbad, CA
Ability to deliver
21.7/40.016.2/20 Reviews1.6/10 Clients & Experience3.9/10 Market PresenceService focus
10% Blockchain90% Other -
UndisclosedUndisclosed2 - 9San Diego, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
30% Blockchain70% Other -
UndisclosedUndisclosed50 - 249San Diego, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
15% Blockchain85% Other -
UndisclosedUndisclosed2 - 9Vista, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
100% Blockchain -
UndisclosedUndisclosed10 - 49San Clemente, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
100% Blockchain -
UndisclosedUndisclosed50 - 249Escondido, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
10% Blockchain90% Other -
$5,000+$25 - $49 / hr50 - 249Laguna Niguel, CA
Ability to deliver
25.4/40.016.6/20 Reviews8.8/10 Clients & Experience0/10 Market PresenceService focus
10% Blockchain90% Other -
$10,000+$50 - $99 / hr50 - 249Mission Viejo, CA
Ability to deliver
28.5/40.015.8/20 Reviews8.6/10 Clients & Experience4.1/10 Market PresenceService focus
10% Blockchain90% Other -
UndisclosedUndisclosed2 - 9Laguna Beach, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
50% Blockchain50% Other -
UndisclosedUndisclosed2 - 9San Diego, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
100% Blockchain -
UndisclosedUndisclosed2 - 9Carlsbad, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
100% Blockchain -
UndisclosedUndisclosed2 - 9Carlsbad, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
100% Blockchain
Get quotes from the 5 best-fit agencies for your project—in 4 minutes or less.