Top 80+ Blockchain Companies in California

HashCash is a global software company. Banks, exchanges, merchants and other Enterprises use HashCash Products for remittance, corporate payment, currency exchange, payment processing and more. HashCash runs US-based digital asset exchange, PayBito & digital asset payment processor, BillBitcoins.

Vention is a top-tier, one-stop custom software development company that provides access to 3,000+ experienced engineers.
We've helped VC-backed startups and fast-growing tech companies build successful, scalable products that users love. Our forte is agile dedicated teams of brilliant minds who rock in web, mobile, Big Data, QA, and DevOps.

Ionixx Technologies is a modern-day blockchain development company that caters to both startups and enterprises. Having started its operations in 2003 as a software services and product development company, the company branched out into cutting-edge technologies including blockchain development. As one of the early adopters of blockchain technolog, Ionixx has built several use cases for a diverse clientele comprising big technology firms and startups that have achieved and sustained successful results. With design-driven development at its core, Ionixx promises to deliver secure, authentic, and high-quality blockchain solutions. So if you are looking to get a dynamic decentralized network built on blockchain, get in touch!

ITRex is an IT consulting and software development company that creates and transforms products, services, and enterprises to drive business growth today and into the future.

Artificial Intelligence. Augmented Analytics. Machine Learning. Big Data. Robotic Process Automation. Over a decade, the company has applied in-depth expertise in a wide range of technologies across focus industries – FinTech, Retail & Ecommerce, Healthcare & Biotech, Transportation & Logistics, Entertainment & Media. The team has delivered hundreds of game-changing solutions to Fortune 500 giants, enterprises, and startups.

ITRex turns technology innovation into market-ready products and solutions to help businesses gain a competitive edge, increase operational efficiency, and maximize profits.

StartupSoft helps tech startups from Silicon Valley, and other tech hubs across the US and Canada build their offshore and nearshore development teams. It sounds like a software development company, but it’s not.

At StartupSoft, we help you build your own custom team and fully integrate it with your current one. Within this model, you have complete control over your developers and work directly with them.

It’s an option you can’t resist if you want access to the global talent pool and keep the magic of collaboration of having everyone in the same room.

Don’t borrow your team, build it with StartupSoft.

Closeloop Technologies, one of the best web and mobile app development company that caters to all your technology-related business needs, including innovative mobile application development, AI-powered products, VR/AR development, chatbot development, data analytics, and customized web development for your business.

Webllisto is a prominent IT Consulting and Engineering firm offering clients the finest Web and Software development services for their business. Our exceptional Web services are dedicated to Enterprises, ISVs, Startups, and digital agencies.

Our team is dedicated to providing software development services that are competitive, result-oriented, customer-specific, and customized to boost your business and keep you ahead of the fierce competition.

We aim to be the most client-friendly and well-established, Web and Software Development Company that provides its users satisfactory Web development services. We are constantly evolving ourselves to attain the ultimate objective.

SotaTek is a part of Sota Holdings, a global Software Development as a Service (SDaaS) & IT Consulting group.

We specialize in sustainable Blockchain Technology, Software Development (Web/App/Game), AI & Machine Learning, ERP with cost-effective solutions to achieve sustainable growth for enterprises of all sizes.

Our offices are based internationally in Vietnam, Australia, Japan and the US with global Clients mainly from the US, EU, UK, ANZ, Middle East, Asia.

Azilen Technologies is a Product Engineering company. We pioneer in Engineering Excellence to build NextGen digital products. Our PRO engineering services are driven by agile methodologies induced within product lifecycle to catalyze the change and adapt to market innovations. Our team of 400+ PRO Engineers thrive to shape customer success in turn driving better business growth with excellence across industry innovations leveraging cutting edge technologies.

SoluLab is a leading custom software development and IT talent solutions company. They’ve built custom software solutions for high-growth startups, Fortune 500 companies, and enterprises including Walt Disney, Goldman Sachs, Mercedez Benz, University of Cambridge, Georgia Tech, and more. SoluLab has helped hundreds of businesses turn their ideas into reality by building world-class digital products. Their team of experts puts in best practices, technical expertise, and project management process to deliver human-centered digital products. The best part, SoluLab provides a 15-day risk-free trial on all their development services.

Modex, the blockchain database company, innovates thanks to its incredible team of experts and offers services for the entire blockchain technology ecosystem. Since day one, Modex’s mission has been to facilitate the adoption of blockchain into society and to solve real-world problems using this revolutionary technology. With innovation as one of the company’s main pillars, Modex has brought to the market a suite of revolutionary products and services. Modex BCDB (Blockchain Database) is a middleware that fuses a blockchain with a traditional database to create a structure that is easy to use and understand by developers with no prior knowledge in blockchain development.

Headquartered at San Francisco and founded in 2007, LeewayHertz is one of the first few companies to build and launch a commercial app on Apple's App Store. The team of certified designers and developers has designed and developed more than 100 digital platforms on Mobile, Cloud, AI, IoT and Blockchain.

Seasia is the first choice of many large enterprises across more than ten industries for all things technical consulting, enterprise development, and marketing. We aim to identify, and solve all the challenges that might be coming in your way to operate at your maximum potential by enabling digital transformation and customized workflows. In addition to optimizing your current process for the highest efficiency, we ensure your business stays abreast of the latest innovation in technology.

Idea Usher is a one-stop for all your digital needs. We have been helping SMEs and Entrepreneurs with futuristic solutions.
We make it simple even if your technology skills end at Candy Crush. Over the past decade, we have built an extensive portfolio of global clients from different industries. Our carefully selected team of 100+ professionals consist of Web & mobile developers, UI/UX Designers, Content Specialists, and QA Analysts- delivering custom solutions, from Uber-like apps, to marketplace aggregating software.

Applicature is an A-Z agency for DeFi/Blockchain development and marketing services.

Applicature will assist you with a top-notch services in DeFi and blockchain space. You will get a full-cycle experience: from development of any kind of DApp or smart contract to marketing and communication strategy to target right profile investors and customers.

Having tight connections with numerous investors and VC firms Applicature is able to help with pitch deck and introductions for the most promising projects.

Cheesecake Labs is a software design and engineering partner that helps you build successful tech products.

The company knows the process, leverages the latest technologies, and empowers a multidisciplinary team of specialists to collaborate with you and deliver delightful solutions.

These companies trusted Cheesecake Labs and so can you: Singularity University, Tapcart, AES, Cargill/Agriness, Skyroam, Sodexo, Mercado Libre.

Third Rock Techkno is a leading web development agency in India. We specialize in using modern web frameworks to deliver outstanding web development services to clients across many industries. Whether you require a specific function or are starting from scratch, you can hire developers who are skilled at employing these frameworks to build the robust, scalable, and secure web applications you need.

Cyber Infrastructure (CIS) is a custom software development company with more than 14 years of experience and clients from 100+ countries. The CIS team involves more than 650 top-notch professionals who have the expertise that enables the company to meet various business needs of customers.

CIS provides a wide range of technology services and products: web and mobile app development, BI and RPA solutions, AI and IoT solutions, AR/VR development, business process management and many more. The company operates across multiple industries, including fintech, gaming, manufacturing, travel & hospitality.

At EffectiveSoft, we help forward-thinking companies transform vision into reality through innovation and technology. Our nearshore and offshore custom software development solutions include cloud migration, optimization, and implementation to UX/UI solutions to data and analytics, and more. We create unparalleled value for our customers and help them accelerate through digital transformation.

RailsCarma offers end-to-end Ruby on Rails development services.Every project the company has worked till now receives careful attention of the experts from various fields such as Business Research, Business analysis, User interface design, User experience planning, User Interaction, Application architecture, Software Development, Security Control, Performance Tuning, Quality Control, Deployment, Round-the-clock Support and Maintenance.

Development experts in Eastern Europe, LatAm and Southeast Asia. We build award-winning software products for both renowned tech giants and innovative startups across industries (Robotics, Smart Home, FinTech, Healthcare, etc.). We also provide seasoned dedicated development teams for enterprises to augment their internal teams’ capabilities.