Need a blockchain development company in California to create smart contracts and facilitate decentralized transactions? We’ve studied many companies across the state to consolidate this list of innovators — to help businesses like yours connect with potential partners. Explore local providers across our directory and filter them by reviews, rates, budget, and more.Â
Best California Blockchain Development Company Rankings
145 Companies - Rankings updated: March 31, 2026
We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.
The Solutions People
Arrow's eInfochips is a worldwide leader in product engineering and semiconductor design services. With over 500 products created and 40 million installations in 140 countries, eInfochips continues to drive technical innovation in a variety of industries. Digital transformation and linked IoT solutions are [... view EInfochips profile ]- Location
- San Jose, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $1000/hr
- Minimal Budget
- Under $1,000
Driving AI-Powered Digital Transformations
A5 is an award-winning global technology consulting firm specializing in multi-cloud digital transformation, with deep expertise in Salesforce, Oracle, and AI-driven automation. Headquartered in Pleasanton, California, and present across North America, Europe, and Asia, the company enables complex enterprise [... view A5 Corp profile ]- Location
- Pleasanton, California
- Number of Employees
- 250 - 499
Innovative Digital Solutions For A Smarter Future
Rysysth Technologies is a full-service IT solutions provider specializing in web development, digital transformation, and enterprise solutions. We help businesses scale with modern technologies, user-friendly designs, and performance-driven strategies. From custom websites to cloud-based platforms, our team [... view Rysysth Technologies profile ]- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
Innovative and intelligent technology solutions and services
If we break down the essence of Luminoguru, it is made up of two words: 'Lumino' meaning 'Light' and 'Guru' meaning 'Teacher'. In the realm of work, light symbolizes clarity and inspiration. Like a guiding beacon, it lightens up ideas, nurtures creativity, and transforms the workspace into a realm where [... see all LuminoGuru reviews ]- Location
- Nevada City, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
Rocket your business forward with our expertise.
Rocket Systems is focused on producing high-quality code, we take extra precautions to ensure that our technological approach is congruent with the ambitions of our customers. Additionally, we strive to create code bases that are both scalable and easily maintained. In order to construct a digital product [... view Rocket Systems profile ]- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Geospatial Expert For Your Business
Action Engine is a geospatial-focused company with strong expertise in data analytics and visualization using Vis.gl. [... view Action Engine profile ]- Location
- San Mateo, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $1,000 - $10,000
From Application Development to Large-Scale Database Migrations – We’re Mission Ready.
Equipped with expert, full-stack, agile teams, we help agencies, corporations and start-ups innovate and scale. And we do it on your terms, be it on the front lines or as a behind-the-scenes partner. [... view Blankfactor profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
Trusted by Leading Brands
We work with startups and enterprise clients to create amazing mobile apps that users love, across iPhone, iPad, Android and the Web. [... view InfinixSoft profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 2 Projects Listed
Fast & Easy Technical Launch for Your Startup
We are a reliable team to develop your idea within the deadline and budget. We share your business value, that's why we are really keen on launching your Proof of Concept ASAP, so you get funded and come to us again for further development [... view Codemotion profile ]- Location
- Redwood City, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $25,000 - $50,000
AI-Powered. Impact-Driven. Human-Centered.
Our motto is "Building Success Together®," which reflects our commitment to investing in our clients and partners to propel them towards achieving their business goals. As a result, Nisum has grown due to the trust we have built and the success we bring to our network. We thank our clients, partners, and [... view Nisum profile ]- Location
- Brea, California
- Number of Employees
- 1000 & Up
A complete mobile solutions provider
At VezTek USA, we turn your app ideas into reality! Our Los Angeles-based mobile app developers have been propelling the world’s leading enterprises and most innovative startups to success with hundreds of remarkable web and apps. Whatever iOS or Android project you need help navigating - from a business [... view VezTek USA profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
Tap Built, located in California, creates innovative mobile apps and engaging games for entrepreneur
Tap Built Located in California creates innovative mobile apps and engaging games for entrepreneurs startups and business worldwide. [... view Tap Built profile ]- Location
- West Covina, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
Digital Transformation Agency.
Appinventors stands as a prominent Digital Transformation Agency, enabling businesses to prosper within the contemporary digital landscape. At Appinventors, we pride ourselves on delivering exceptional customer support and assistance. Whether you're facing technical challenges or seeking guidance on your [... view Appinventors Inc profile ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Our expertise makes a positive impact to your business
AlgoRepublic offers comprehensive business automation, product development, and software/web development services to clients globally. Our expertise ensures innovative and efficient solutions tailored to meet the diverse needs of businesses worldwide. [... see all AlgoRepublic reviews ]- Location
- Los Angeles, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $30/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Enable, innovate, transform
A team of Tech-savants focused on simplifying complexities in the technology realm. We combine our technical expertise with product mindset that helps Enterprises to strengthen and transform their business by providing state-of-the art software development services. [... view Agile Soft Systems profile ]- Location
- Fremont, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
Your Technology Partner
SISGAIN Technologies is a leading software development company specializing in Remote Patient Monitoring (RPM) software, healthcare app development, and restaurant POS systems. With a focus on cutting-edge technology, SISGAIN delivers tailored digital solutions that drive growth and enhance user engagement [... view SISGAIN Technologies profile ]- Location
- Ontario, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Leverage World-class Talent
Toptal is a highly respected network of elite talent available when needed. Our team of problem-solvers is committed to integrity, and leading companies turn to us for critical projects. We equip organizations with the tools to compete and succeed in a rapidly-evolving business world, boasting exceptional [... view Toptal profile ]- Location
- San Francisco, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $50,000 & Up
We Build Innovative Multiplatform Flutter Apps for the Digital World
We provide our clients with infinite scaling and very quick feature delivery times. [... view Morning Stars Developers profile ]- Location
- Inglewood, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $50,000 & Up
Your dedicated Digital Marketer.
Nicco Strategies can help! We are a Los Angeles based full stack digital marketing and blockchain consultancy firm that will digitally enhance and add value to your brand. You can count on us to create a tailored strategy that best suits you. It is our mission to ensure your business thrives to its fullest [... view Nicco Strategies LLC profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
Enterprise-grade Solutions
We work with world-class startups, businesses, and institutions as part of an exceptional team of software engineers and technology wizards. [... view Programize LLC profile ]- Location
- Riverside, California
- Number of Employees
- 100 - 249
Software Development Company
Anyalpha is best software development company USA that offers custom software solutions to achieve growth and scale for your business. [... view Anyalpha profile ]- Location
- Walnut Creek, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
Complete IT & Digital Service Solutions
California, United States: ConstantMD Inc. ConstantMD, which began operations in 2011 and has worked with more than 100 clients globally, is one of the most well respected offshore software development service providers on the market for its exceptional quality and dedication to innovation. To satisfy the [... view ConstantMD Inc. profile ]- Location
- Riverside, California
- Number of Employees
- Under 49
World Class Software Solutions
Internet Soft, an IT company excels in providing state-of-the-art solutions. Our offerings include Digital Transformation, AI/ML, IoT, Banking, and Blockchain software solutions, customized to serve both B2B and B2C customers. [... view Internet Soft profile ]- Location
- San Jose, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
Straight hands. Hot heads.
We use the best world practices (YAGNI, KISS, DRI, and SOLID). An enterprise approach is an advantage, not an excuse. An extreme approach to development allows us to resort to the use of development-driven methodologies, in particular design, domain, bound, and testing. [... view Atlantis profile ]- Location
- Newport Beach, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Building Intelligent Software Solutions
Cygnis Media, a top-tier custom software development company and leading IT consulting service provider in the USA, is synonymous with excellence. They specialize in creating bespoke software solutions tailored to meet diverse business needs. With a keen eye for innovation and a customer-first approach [... view Cygnis profile ]- Location
- Pleasanton, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
Your Vision, Our Innovation Together, We Build the Future.
RSunBeat Software is a globally trusted leader in mobile app development, serving businesses in the USA, UK, Australia, Italy, Dubai, Brazil, and more. We design innovative, high-quality apps that boost growth, elevate user experiences, and turn ideas into powerful digital solutions. [... view RSunBeat Software profile ]- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
We are Smarter Teams
We built the worlds first Teams as a Service (TaaS) platform to give you on-demand access to the top software developers, designers, marketers, technologists, and business strategists. [... view MindTrust profile ]- Location
- San Francisco, California
- Number of Employees
- 50 - 99
Powering The Builders Of Tomorrow
From trading bots to tokenization platforms, we help startups and enterprises build AI-first products,decentralized systems, and scalable Web3 infrastructure for real-world success. Start Building Smarter. [... view Ment Tech profile ]- Location
- Carlsbad, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $1000/hr
- Minimal Budget
- $25,000 - $50,000
Cloud Native Software Development
ZYMR offers cutting-edge cloud-based services for Healthcare, HIPAA, Biotech, etc... We are a leading cloud technology services provider in Silicon Valley, USA. Get in touch for cloud-based solutions today. [... view Zymr profile ]- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
A Trusted Partner to Transform Your Business
Global conglomerate Sumeru is based in Los Angeles. In the areas of IT talent augmentation and digital transformation, we offer a variety of specialized services and consulting. [... view Sumeru profile ]- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $1,000 - $10,000
We Build Tomorrow, Today
With 15 years of experience, we specialize in developing startups, cryptocurrency exchanges, cashback platforms, Telegram bots, and complex software solutions for clients across the USA and Europe. Our expertise guarantees tailored, high-quality solutions for diverse industries and business needs. [... view Zavod-IT profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $60/hr
Custom Software for Businesses
Consider us an extension of your team and your technical co-founders, the highly qualified engineers who will create, develop, and maintain the software systems required to power your idea. [... view Coreware Group profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $25,000 - $50,000
Custom Software Solutions That Enhance Your Business
At Solwey Consulting, we are a boutique agency that focuses on our customers' success by delivering excellent work. We understand that the solutions businesses need to function are often complex, which is why we work tirelessly to create simple, effective solutions that meet our clients' needs. [... view Solwey Consulting profile ]- Location
- Marina del Rey, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $10,000 - $25,000
AI-Powered Community of Expert Dev Teams
DevTeam.Space is an AI-powered community of expert dev teams. Our mission is to help more businesses build great online products. [... view DevTeam.Space profile ]- Location
- Sunnyvale, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
Experience-Driven Engineering to Digitally Transform Your Business To Stay Ahead.
Experience-driven engineering to digitally transform your business to stay ahead. We understand your vision and help you build your thoughts into world-class software products. We work with businesses and individuals to help build world-class products and incubate them to grow. Trust us as your technology [... view AeroQube profile ]- Location
- Pleasanton, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
Top 1% Tech Talent with 1500+ In-house Developers
We don't just build software at Top Remotely we create solutions that work, scale, and impress. With a powerhouse team of 150+ in-house developers, we turn complex challenges into seamless digital experiences. Whether you need custom software, enterprise platforms, or next-gen IT solutions, we bring the Top [... view Top Remotely profile ]- Location
- Los Angeles, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
Leading full-stack development agency
We have the chance to collaborate on mobile solutions with some of the biggest brands and SMEs in the world. [... view MobileFirst Applications profile ]- Location
- Milpitas, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
Redefine your Business Growth with Fourchain Technologies.
At Fourchain, we specialize in modernizing businesses by offering comprehensive digital transformation solutions like blockchain, artificial intelligence, fintech and application development services, all tailored to meet the specific pain points and unique needs of startups, mid-size, and enterprise [... view Fourchain Technologies Private Limited profile ]- Location
- Ontario, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
Holistic & Innovative Solutions For Your Business Needs.
Orion eSolutions is not only a one stop shop for technology but also a software boutique specialised in development of web applications, mobile apps, desktop application or customisation of already built technology upto the par of best practice in the market. [... view Orion ESolutions profile ]- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Software Excellence: Swiss Quality, Taiwanese Expertise
As a software development agency, 4i Tech is a beacon of Swiss quality and Taiwanese technical excellence. With a dedicated team committed to delivering rapid, expert solutions using cutting-edge technologies, it helps businesses reach their targets with precision and efficiency. Since its establishment in [... view 4i Tech profile ]- Location
- Saratoga, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $25,000 - $50,000
Growth-Focused Digital Agency
We are a top digital agency with offices in India, the USA, and Canada that develops custom software, mobile apps, and websites. [... see all Native DevOps reviews ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
See Beyond, Rise Above.
Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology. [... view Persistent profile ]- Location
- Santa Clara, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
Shaping the future of Games.
Gamecrio Studios is the best Game Design - Development company in USA & India with 8+ years of experience in game Design & development. [... view Gamecrio Studios profile ]- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $18/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
We help accelerate your IoT!
Altiux Innovations is a software and product engineering services organization focused on helping you accelerate the development of your IoT solutions and products. We provide specialized engineering services across the entire IoT development cycle, from consulting, device engineering, cloud and mobility [... view Altiux Innovations Pvt. Ltd. profile ]- Location
- Milpitas, California
- Number of Employees
- 50 - 99
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Grow with Technology.
We have a Team of 100+ Skilled App Developers who thrive on rolling up their sleeves and solving your IT problems and meeting your business needs like APP Development, Software Development, Cloud Consulting, Generative AI Development, Cyber Security Services, Custom ERP Software Development, and Web [... view NextOlive profile ]- Location
- Irvine, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Related Services in California
Blockchain Development Companies in California
About The Author and Expert Reviewer
Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.
Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.
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