Top Blockchain Development Companies in California

Consagous Technologies is a prominent name in the blockchain industry for developing secured and robust blockchain solutions for its clients. A highly experienced and technology-driven team at Consagous is well-versed in working on all Blockchain platforms like Hyperledger, Big chain DB, Ethereum and IPFS. Consagous rich experience over wide range of industries coupled with strong technical knowledge of the programmers helps it deliver reliable b ... Read more

“Good Company”

Lang Lang, at

SoluLab Inc is leading Blockchain, Mobile and Web development company, started by ex vice president of Goldman Sachs and ex principal software architect of Citrix. SoluLab Inc provides full spectrum, 360 degree services to enterprises, startups and entrepreneurs helping turn their dreams into awesome software products. We help enterprises to dominate the decentralized world with our top-notch blockchain development sol ... Read more

“Blockchain and Desktop Application Experience”

Scott Miller, Data Architect at The Padgett Law Group

Our services are designed to take your business to the next level, reducing the gap between you and the heights of success you wish to achieve. Empowered by 12+ years of experience in the field of IT, CIS has the right expertise to help you with all your technology needs. We have consistently delivered optimal solutions for our wide-ranging global client base. Leverage our rich experience for your unique IT requirements. CIS has established ... Read more

“Web page construction”

Adam Stokes, Assistant Director, Governance and Compliance at Department of Defence of Australia

Intellectsoft is a boutique digital transformation consultancy headquartered in Palo Alto, California. The Company provides cutting edge engineering solutions for global and Fortune 500 companies with the mission to help enterprises accelerate adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation. Intellectsoft maintains its advanced domain expertise through five d ... Read more

“Goods”

Tabrez Ali, UI / UX Lead at Wve Labs

LeewayHertz provides end to end solution to build enterprise-grade blockchain applications.  Experienced in developing multiple blockchain applications for Global Supply Chain, Identity Solution on blockchain and utility bill generation using blockchain.  LeewayHertz has experience working with distributed ledger technology including Hyperledger, Ethereum, R3Corda, and Hashgraph. The team also includes Hedera Hashgraph ambassadors ... Read more

“Best Blockchain Development Company”

Radhika Gulati, Architect - User Experience at @WalmartLabs India

ELEKS helps clients transform their businesses digitally by providing expert software engineering and consultancy services. We deliver high tech innovations to Fortune 500 companies, big enterprises and technology challengers, improving the ways they work and boosting the value they create for the modern world.   Our 1,100+ professionals located in the Delivery Centers across Eastern Europe and sales offices in Europe, the US and Japan ... Read more

“Business Development”

Kacey Brosnan, Director of Business Development at Brosnan Risk Consultants

Quest Global Technologies is a leading software development organization that works on Blockchain, customized ERP, Mobile Apps, Salesforce and Web Development. Quest Global Technologies has been rated as TOP mobile application developers by Appfutura and is covered by Entrepreneur Magazine. Quest Global Technologies has the vision to make its clients successful by leveraging technology to increase sales, automation and reduce wastage. www.cryp ... Read more

“Superb”

Arpit Jain, Business Operations and Development at Arihant Capital Markets Ltd

We provide services in Custom Software development, High-end E-Commerce portals, SaaS-based platforms and products, Cloud based solutions and mobile app development in India. Blooming for over 10 years in the app industry, Sphinx Solutions today prides in being one of the best iOS app development companies for delivering secured iOS app solutions to clients all across the globe.   We are one stop technology solution provider. With offices ... Read more

“Satisfied with their work and their communication.”

Sean Proctor, Founder at PricePerPint

S-PRO provides end-to-end development solutions: from analytics and consulting to delivery and launch. We act as a technical partner for enterprises and startups and take the responsibility for the product development. Key S-PRO facts: 5-years end-to-end development experience; 150+ full-time in-house professionals; сustomers in 27 countries worldwide; 90+ IT solutions shipped and counting. Every year ... Read more

“Professionalism and commitment to getting the job done is a stand out!”

Leo Kozhushnik, Associate Director, Data & Analytics at KPMG

Errna is a leading technology company specializing in the areas of niche technologies like blockchain consulting and development, cryptocurrency exchange development, smart contracts application development, digital tokens creation, ICO launching, and other related solutions. We have been helping businesses from all around the globe venture into blockchain technology with our extensive expertise and experience in the technology. With our team ... Read more

“Developed a perfect decentralized blockchain system application”

Victor Austen, Director at LABELBOOSTER LTD

Incorporated in 2009 and headquartered in the USA, OpenXcell is an industry-leading software and mobile app development company known for delivering innovative software solutions and engaging mobile apps. Due to our unstoppable quest for making perfect mobile and web apps, we have slowly evolved into a one stop destination for all mobile and web app development needs. We have made a stellar reputation in the technology industry by adhering to ... Read more

“I would rate them 5/5 for their quality work”

Rajendra Gaikwad, Co-founder at Boom Boom Hunt

Prismetric is an ISO 9001:2015 Certified Mobile App Development Company having a development center in India with offices in USA & Saudi Arabia that offer exceptional applications development for iPhone, iPad and Android devices along with other web services to provide end-to-end solutions. We have a strength of over 90+ highly skilled and competent mobile app developers and designers working with a sole mindset of customer satisfaction. S ... Read more

“They are very courteous and professional!”

Curt Hayes, CEO at Audio Design

Dot Com Infoway is a globally recognised app development and marketing company offering a bouquet of cutting-edge services. With over 18+ years of industry experience in the IT, we know exactly what it takes to create an engaging application that connects with the hearts and mind of your audience. We have expertise in developing apps across platforms, including Android, iOS, and Windows. We also design high-performing enterprise apps to stream ... Read more

“Mark of a Professional Organization”

Jayavasanthan Jay, Founder at JKL Technologies

Clavax is a leading edge software, web and mobile app development company headquartered in San Jose, California. Our top-notch services are backed by a strong team of 200+ highly skilled professionals to deliver innovative, secure and scalable IT solutions to our clients. We act as technology partners by understanding your business challenges and applying the latest engineering technologies to deliver innovative IT solutions.  Our Cl ... Read more

“Satisfied”

Marvis Killingsworth, President at MK Technology Consultants, LLC

CitrusBits is a mobile app development agency that designs and develops impactful mobile apps and responsive mobile content for businesses of all types. Having developed critical mobile apps for clients including Burger King, Quiksilver, Symantec, and Sotheby’s, CitrusBits is trusted by movers and shakers across all major industries. Yet, we’ve also enjoyed helping small and midsize businesses and select startups turn their mobile ... Read more

“Responsive, reliable and talented.”

Miles Johnson, President at TLS Holdings, Inc ~ The Winning Seat®

Smartym Pro is a full-cycle development company specialized in enterprise web and mobile application development. Company has strong development culture and focuses on innovative solutions, using cutting edge technologies and frameworks. Smartym Pro is located in Eastern Europe (United Kindom, Germany, Poland, Belarus). Our management team is certified with PMP, CSM. We use Agile or Waterfall methodologies (depending on the project needs) t ... Read more

“Mobile App Development ”

Alireza Fard, Senior Global Integrated Business Planning (IBP) Execution & Analytics Lead at MSD

DreamSoft4u is an IT consulting and solutions provider for enterprises and startups globally. We do have more than 12 years of extensive experience in IT industry including technology and industry domains. We work with our customers; mostly the enterprises and startups to support them to grow their business and turn them into successful and high performance organizations. DreamSoft4u is growing since 2003 and earn a good reputation in IT indus ... Read more

“Features of VC Doctor Pro ”

Glenn Seymour, ICorps Mentor at Joint School of Nanoscience and Nanoengineering

Debut Infotech is a leading mobile app development company and website development Company based out of India, where it also operates through its offshore office in Chicago, USA. The Company’s portfolio spans from App Consultation, UX-based Design and Development, to the sophisticated SaaS offerings.     We, at Debut Infotech have also disrupted the field of blockchain development by creating, deploying custom decentralize ... Read more

“Reliable, Fast and Skilled”

Shanon Ha, CEO & Founder at Entwine Pty Ltd

Venture Aviator is an innovative software development company. Venture Aviator has capabilities in Web Development, Mobile Development, Blockchain Development, Full-Service Initial Coin Offering (ICO) advisory & cryptocurrency launches, and Artificial Intelligence. Venture Aviator was recently named as one of the Top Custom Software Development Companies by GoodFirms and Clutch for 2017. Clients range from Fortune 500 comp ... Read more

“Great experience, hope to work with them again in the future”

Melissa Koensburg, Account Executive at Outleads

ISHIR is a global diversified outsourced IT services company which brings offshore outsourcing to clients' doorstep.We assist our clients in achieving their business objectives by successfully outsourcing their non-core business processes and functions in the areas of technology and digital marketing.

Algoworks is an awarded mobile app development, game development, and design company. Our team has won various awards and has developed 600+ apps for startups & Fortune 500 companies. We follow agile methodology for mobile app development. We are iPhone mobile app development experts and specialize in creating end-to-end tailor-made mobile solutions using latest iOS SDKs and with a seamless native user interface design. We have mastered the a ... Read more

“EXCELLENT EXCELLENT Company!!”

Deeti Dave, Project and Product Manager at Games2win India Pvt Ltd

Espeo Software is a software agency dedicated to high-quality product development, design and testing. For the past 10 years, we’ve been successfully crafting market-leading web and mobile products designed to accelerate the growth of our customers.  We excel in providing right-sized agile teams that meet the business and technical needs of our clients. Our blockchain brand, Espeo Blockchain, is a full-service partner for transformi ... Read more

“Would I bet my money on them?”

Trod Frost, CEO at OutSearching

Antier Solutions Pvt Ltd is an IT company providing blockchain development services, including cryptocurrency exchange development, wallet development, ICO development, STO development, new coin development, ICO marketing, and more. We have a team of 100+ blockchain developers with the knack for delivering result-oriented solutions to add value to our clients’ businesses. Apart from blockchain development, we specialize in web app and mobil ... Read more

“Product Launch”

David Archbold, at

Performance first approach to internet applications from: SEO, Web Hosting, Developers of eCommerce to Blockchain

“The best SEO & Hosting In Australia”

PIKT Entertainment, DJ/ Photographer/ PhotoBooth at PIKT Entertainment

We've been building customer software for our clients, partners and our own products since 2009. Our team includes experts in JavaScript, Python and Ruby plus engineers with AWS certification. From UX design, project management to development and delivery, we’ve got the complete life-cycle of your custom software, native app or webapp covered. Our approach and dedication to agile, iterative development with complete transparency allo ... Read more

“Outstanding engineers”

Max Golovnia, Co Founder and CTO at Armatic

EFI 'Dedicated Developer Service is a leading company to offer you access to Single or team of Dedicated Developers/ Programmers, exclusively working for you on your projects on full-time or part-time basis at our software development outsourcing center in India. One of the Prime examples of our services and customer satisfaction ratio is that Microsoft has chosen us as Microsoft Gold Partner for 2010-11 in India.

“Honest and professional technology experts”

Paul Hill, Co Managing Partner at Intelenet Global Services

In 2004, iPraxa was started out by just five people and it has now grown to be an innovative team of 40+ genius professionals. We’re designers, developers, quality testers and mobility experts who leave no stone unturned to please our clients with our exceptional Mobile App and Web Development services. We’re in the 14th year of business and have developed over 8000 websites and mobile applications for over 4000+ global clients.

Primafelicitas is a full services Blockchain Product Development company based in San Francisco and London. With an extensive experience spanning years, PrimaFelicitas offers end to end solution in multiple Blockchain applications across different industries. Primafelicitas assists start-ups and enterprises in different levels of Blockchain application development and has already worked across diverse Blockchain systems. Together with an experie ... Read more

Blockchain and Machine Learning product development company. We are 12 years in the international IT-market. We’ve helped more than 70 companies meet their IT needs. We increase our partner's brand value by complementing their stack with innovative Blockchain, Data Science and software technologies. You can rely on Unicsoft, starting from business analytics, goals definition and ending with the solution's delivery and support.

“Excellent work on a tight schedule!”

Dmitry Dain, Co-founder at Virgil Security, Inc.

VironIT - belarusian software development company. We provide custom software solutions to business and government. A high level of competence let us seized the top positions on the software market. 

“Great company to work with”

Peter Winger, Sales Manager at TMP Worldwide

We create not just apps—we build apps that make money, drive real value for Your users, and hit the charts. How? A strategic approach to the Planning Stage provides an analysis of Your users’ current needs, development time estimation, deadlines planning, and actual work with them. We know our work well and, first of all, take care of Your future results. Our Team Lead and Tech Lead, who have 8+ years’ experience, test code t ... Read more

“Application for startup”

Dmitriy Kulik, Chief Technology Officer at GreenHub LTD

Waverley is a software engineering company with dedicated development experts in Eastern Europe and Southeast Asia, which helps to build award-winning software products for both renowned tech giants and innovative startups. Waverley brings fresh ideas to organizations: from the software architecture to elegant web/mobile apps, enterprise portals, blockchain and data science solutions, DevOps and embedded software for robotics, smart home, heal ... Read more

“Top shelf offshore team: dedicated, capable, tenacious, and reliable”

Rich Sadowsky, Head of Security & Privacy at Jibo, Inc.

Bitfury is the leading full service Blockchain technology company and one of the largest private infrastructure providers in the Blockchain ecosystem. Bitfury develops and delivers both the software and the hardware solutions necessary for businesses, governments, organizations and individuals to securely move an asset across the Blockchain. The expertise of Bitfury ensures successful, easy, fast, secure and cost-effective connectivity to the Blo ... Read more

Blockstream was founded to develop new ways to accelerate innovation in crypto currencies, open assets and smart contracts. We're renowned architects of Bitcoin, cryptographers, cypherpunks, entrepreneurs, as well as leaders from the business, policy and the open source community. We believe in the potential of bitcoin and blockchain technology to have a significant, positive social impact.    

Block Cyper is based in California and provides BlockChain services. Our architecture allows us to run in multiple data centers for redundancy and low latency. Simple and easy web APIs enable developers to build blockchain applications quickly and confidently. Our modular, cloud-optimized architecture is enterprise-grade for scalability, performance and reliability. We maintain a cluster of distributed databases which contain all transactional da ... Read more

“Worst After Sales Service”

Saminuddin K, Project Manager at TeleOptima Global Mobile Ltd