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. 

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × California × Agriculture ×Clear Filters
  • Engineering Intelligent Solutions Through Design and Code - Web, Mobile AI, Blockchain

    SapientPro is a custom software, design, and AI development team. Since 2017, we've shipped 200+ projects in the US and EU, with offices in New York, Tallinn, and Lucerne. Most clients come back for a second project, the metric we actually care about...

    Top Services:

    • AI Development
    • eCommerce Development
    • Mobile App Development
    • Web Design
    • Web Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    20 Projects Listed

    SapientPro Services

    • AI Development
    • eCommerce Development
    • Mobile App Development
    • Web Design
    • Web Development
    • Software Development
    • IT Services
    • UI/UX Design
    • Blockchain
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Zich Solutions
    • Contentoo
    • HEX
    • MasTrack
    • Sprinkle
    • Slab Sharks
    • SalesLogs
    • Piktochart
    • The Big Data Chef
    • Footshop
    Data sourced from the agency's DesignRush profile

    SapientPro Reviews & Testimonials

    • Slava Berkovich
      Slava Berkovich Chief Technology Officer at Saleslogs
      5.0★

      Software Development Review from Slava Berkovich

      SapientPro consistently delivers high-quality work that aligns with project requirements. The team demonstrates strong expertise in Angular, TypeScript, and JavaScript. Their project management and communication practices are highly effective, with weekly client meetings held to provide updates on progress and ensure alignment.

    • Jeremy Ott
      Jeremy Ott Founder at Marketing Reporting Tool
      5.0★

      Software Development Review from Jeremy Ott

      This team was extremely responsive from the start. They pulled together a comprehensive quote for my MVP and have delivered on all of the requirements. The daily updates from the product/project manager are extremely helpful and it’s clear that the team cares about the quality of work they deliver. The engineers working on the product are always willing to make recommendations and go above and beyond to make the experience and underlying infrastructure that much better.

    • Luc Vlekken
      Luc Vlekken CEO at Liswood & Tache
      5.0★

      eCommerce Development Review from Luc Vlekken

      We've had the pleasure of working closely with this development team on several projects, and the experience has been consistently excellent. Not only are they highly skilled developers, but they also think along with us both from a technical and a product/customer perspective. Their proactive attitude, reliability, and ability to translate complex requirements into elegant solutions make them a true partner rather than just a supplier. Highly recommended.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • AI-First Company for Rapid Product Development

    We are global web3.0 Software engineering company making success stories for more two decades with highly motivated and experience teams and a proven agile framework. we prioritize the commercial goal of our customer deliver the highest business value. we are a renowned blockchain app development company in...

    Top Services:

    • Blockchain
    • AI Development
    • Mobile App Development
    • Software Development
    • Web Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed

    NetSet Software Solutions Services

    • Blockchain
    • AI Development
    • Mobile App Development
    • Software Development
    • Web Design
    • Web Development
    • Staff Augmentation
    • eCommerce Development
    • WordPress Website Design
    • IoT
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Riskcare
    • BetFolio
    • EFX Inc.
    • BotFather
    • AI Health Assistant
    Data sourced from the agency's DesignRush profile

    NetSet Software Solutions Reviews & Testimonials

    • Kowshik Mullapudi IT Analyst at Techdoquest
      4.7★

      Mobile App Development Review from Kowshik Mullapudi

      When we hired NetSet Software Solutions to create our enterprise mobile apps, they promptly produced excellent, user-friendly solutions. Throughout the process, their team demonstrated professionalism, promptness, and attention to our needs.

    • Rakesh Thakkar
      Rakesh Thakkar Executive Vice President of Fooda at Fooda
      4.5★

      Blockchain Review from Rakesh Thakkar

      Throughout every phase of our product journey, the Blockchain-Based Supply Chain Tracking System provided us with the visibility and control we required. It increased openness, decreased mistakes, and assisted us in guaranteeing the genuineness and caliber of our food and drink products. Our activities are now more dependable and effective thanks to the solution.

    • Mark Trudeau
      Mark Trudeau VP, Sales | Executive Leader | Building High-Performing Teams at FloWater
      4.0★

      Blockchain Review from Mark Trudeau

      Our capacity to track and monitor our food and beverage items from farm to retailer has significantly increased thanks to the Blockchain-Based Supply Chain Tracking System. Our processes are now more dependable and efficient due to the enhanced transparency, decreased errors, and guaranteed product authenticity.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your Innovation Partner

    ITRex delivers end-to-end AI and data solutions from strategic planning to real-world deployment. The companys expertise spans LLM integration, RAG, copilots, SLMs, and autonomous AI agents, all engineered for reliability and scale...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • AI Development
    • IoT
    • Show more
    Location
    Aliso Viejo, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed

    ITRex Group Services

    • Software Development
    • Mobile App Development
    • Software Testing
    • AI Development
    • IoT
    • Blockchain
    • IT Compliance Solution
    • IT Services
    • Big Data Analytics
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Dollar Shave Club
    • Jib Jab
    • 21st Century Fox
    • Procter & Gamble
    • Meet Me
    • Dun & Bradstreet
    Data sourced from the agency's DesignRush profile

    ITRex Group Reviews & Testimonials

    • Tammy Walker
      Tammy Walker Owner at Retail Company
      5.0★

      IT Services Review from Tammy Walker

      Extremely creative and awesome company name. It sounds trustworthy.

    • Undisclosed
      Undisclosed Product Owner at Global retailer
      5.0★

      Web Development Review from Undisclosed

      We are making in minutes things that our teams have been stuck with for days before.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Scaling New Heights

    At HyScaler, we're driven by a mission to be your trusted partner in achieving transformative business objectives. Our global vision focuses on harnessing cutting-edge technologies to craft sustainable, intelligent, and secure solutions...

    Top Services:

    • Mobile App Development
    • Blockchain
    • Software Development
    • AI Development
    • IoT
    • Show more
    Location
    Santa Clara, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    6 Projects Listed

    HyScaler Services

    • Mobile App Development
    • Blockchain
    • Software Development
    • AI Development
    • IoT
    • IT Services
    • Cybersecurity
    • Cloud Consulting
    • Web Development
    • Wearables
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Urban Sports Club
    • Artisan
    • Stanford University
    • Khelnow
    • Doctegrity
    • EA
    • Tune Protect
    Data sourced from the agency's DesignRush profile

    HyScaler Reviews & Testimonials

    • David Robinson
      David Robinson Review from Google
      5.0★

      David Robinson's Review Sourced from Google

      Can't say enough about this group! Amazing work and great people. You can really tell that the culture here is far above other shops because everyone seemingly loves what they do, and it shows in the final product. Solid work, agreeable rates, and on time delivery. 100% recommend!

    • Ernesto Berrum
      Ernesto Berrum Review from Google
      5.0★

      Ernesto Berrum's Review Sourced from Google

      Great group of people to work with. Very flexible and have been delivering on all of our request in a timely manner. Our platform runs on Ruby on Rails but they have Python, Node.js, React, React, and HTML experts on hand.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Decentralizing The World

    Antier is an leading solana blockchain development company. Founded in 2011, Antier is a global team of 700+ Web3 specialists building trusted digital infrastructures for the decentralized economy. Since pivoting to blockchain in 2017, we have advanced the intersection of trust and intelligence - developing...

    Top Services:

    • Blockchain
    Location
    California City, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $5000/hr
    Minimal Budget
    $50,000 & Up

    Antier Services

    • Blockchain
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Government Industry
    • Fintech Industry
    • Finance Industry
    Data sourced from the agency's DesignRush profile
  • Leading Software Development Company

    InfoSwift Corp is a technology consulting and software development company with over 15 years of experience serving clients across the United States. The company specializes in next-generation technologies, data solutions, artificial intelligence, and enterprise software development...

    Top Services:

    • Web Design
    • UI/UX Design
    • eCommerce Development
    • WordPress Website Design
    • Web Development
    • Show more
    Location
    Irvine, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000

    InfoSwift Corp Services

    • Web Design
    • UI/UX Design
    • eCommerce Development
    • WordPress Website Design
    • Web Development
    • Software Testing
    • Mobile App Development
    • Blockchain
    • Software Development
    • ERP Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Lereta
    • Fiesta Auto Insurance
    • Sunkey Insurance Group
    Data sourced from the agency's DesignRush profile

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Every agency is independently vetted before it can be listed or ranked

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We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
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2

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We review agency work, case studies, and results to confirm skill.

Applicants rejected
49%
3

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We monitor listings regularly; outdated agencies are removed.

Agencies verified
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