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Last updated 10 February, 2025

Top Blockchain Developers in California

Are you in need of a trusted Blockchain development company in California? TopDevelopers.co curated list of highly skilled blockchain development firms that specialize in transforming ideas into secure, scalable blockchain solutions. Each company on our list has been carefully reviewed to ensure they deliver top-quality blockchain solutions, whether it's developing secure smart contracts or building decentralized applications. With our expert selection, finding a reliable blockchain partner for your business needs has never been easier.

List of Top Ranked Blockchain Development Companies in California

127 Companies | Last Updated 02 August, 2025

4i Tech

Where Taiwan's ICT Excellence Meets Global Business Success

We are seasoned software development veterans who deliver enterprise-grade solutions at competitive rates. With 10+ years of proven expertise across 30 industries and 250+ successful projects, we bridge…Explore the detailed profile of 4i Tech

  • 11 to 50

  • $51 - $100

  • $25001 - $50000

  • California, USA

DigitSilk

A Creative Proficient Digital Agency

We believe that within each impossible, it is possible to try to get out. We are a team of creative thinkers and problem solvers dedicated to pushing the limits of what is possible by helping brands achieve…Explore the detailed profile of DigitSilk

  • 2 to 10

  • Up to $25

  • Less than - $5000

  • California, USA

Prosouls is a group of dedicated and creative individuals who work with great focus and positivity to achieve the best results for your IT needs. Having experts on our teams with experience of decades,…Explore the detailed profile of Prosouls Inc

  • 11 to 50

  • $26 - $50

  • Less than - $5000

  • California, USA

Webllisto is a pioneer software development company specializing in the Blockchain arena. We discover talents and render Blockchain Development services that outshine your business from an ocean of competitors. …Explore the detailed profile of Webllisto LLC

  • 51 to 250

  • $26 - $50

  • $5001 - $10000

  • California, USA

Hutech Solutions

Connecting People and Technology Digital Transformation

Hutech Solutions is an emerging software development company, specialising in a wide variety of digital solutions. Hutech Solutions is an emerging software development company, specializing in a wide…Explore the detailed profile of Hutech Solutions

  • 51 to 250

  • $26 - $50

  • $10001 - $25000

  • California, USA

BitsWits

Where Exceptional Apps are Just the Beginning.

Introducing BitsWits: Custom Software & App Development Company At BitsWits, we don’t just have the business of developing software, apps, and websites; We are in the business of turning…Explore the detailed profile of BitsWits

  • 51 to 250

  • $26 - $50

  • $25001 - $50000

  • California, USA

Devsinc

Your technology partner

Devsinc is a technology solutions company that has been helping clients since 2009 in delivering cutting-edge and resilient IT solutions to revolutionize their business. Till now we have delivered 3000+…Explore the detailed profile of Devsinc

  • 1000+

  • Up to $25

  • $5001 - $10000

  • California, USA

Coding Crafts

Deliver your Ideas To Reality

Coding Crafts is a custom software development agency based in San Francisco (est. 2019) specializing in mobile apps, PWAs, AI, cloud, SaaS, blockchain, and no-code solutions. Over a decade, we've…Explore the detailed profile of Coding Crafts

  • 11 to 50

  • $51 - $100

  • Less than - $5000

  • California, USA

LBM Solution

Leading Blockchain Development Company

LBM Solution is a comprehensive digital solutions provider that specializes in developing market-ready products and innovative technologies. They offer a wide range of services, including app development,…Explore the detailed profile of LBM Solution

  • 251 to 1000

  • $26 - $50

  • $5001 - $10000

  • California, USA

We transform your ideas into enterprise solutions, from designing boards and creating test plans, custom hardware development, board bringups, and system-level products with carefully analyzed mechanical…Explore the detailed profile of Xekera Systems Inc.

  • 251 to 1000

  • Up to $25

  • Less than - $5000

  • California, USA

EDISON Software Development Centre is a dedicated team of talented architects, engineers and coders.  The company has offices with highly skilled project managers and development centers in Moscow…Explore the detailed profile of EDISON Software DC

  • 11 to 50

  • $26 - $50

  • $25001 - $50000

  • California, USA

Tecniobyte

Tecniobyte Digital Marketing Agency

Tecniobyte is a digital marketing agency that offers a wide range Digital Marketing Services including, PPC, SEO, Social Media Marketing, Amazon FBA/Virtual Assistant. Tecniobyte is not your typical social…Explore the detailed profile of Tecniobyte

  • 11 to 50

  • $101 - $150

  • Less than - $5000

  • California, USA

HyScaler

AI, Blockchain, IT and Software Consulting Group

HyScaler, a premier CMMI Level 3 technology consulting group, excels in AI, Blockchain, Information Technology, and Cloud Computing domains. With a successful history of collaborating with elite clients…Explore the detailed profile of HyScaler

  • 51 to 250

  • $26 - $50

  • $5001 - $10000

  • California, USA

Qualified.One

Trusted Digital Marketing & Technology

We believe that lead generation is crucial point for any business nowadays: either IT, technology or classic, ol-school offline manufacturing. Our goal is to provide both emerging and established businesses…Explore the detailed profile of Qualified.One

  • 2 to 10

  • $151 - $200

  • $10001 - $25000

  • California, USA

Logicspice Software

Commitment to Deliver Performance

Logicspice is the trustable and reliable IT company, offering customized ready-to-install software scripts and a dedicated team of mobile app developers and web developers. The company provides cost-effective…Explore the detailed profile of Logicspice Software

  • 11 to 50

  • Up to $25

  • Less than - $5000

  • California, USA

  Parangat has the satisfaction of being one of the leading names in the enterprise-level app development space with complete authority in integrating people, processes, and products by providing…Explore the detailed profile of Parangat Technologies

  • 51 to 250

  • $51 - $100

  • $5001 - $10000

  • California, USA

Bitcot

Web, Apps, AI & Automation Solutions

Bitcot is an award-winning digital transformation company that leading organizations trust for custom solutions in web, mobile, AI, and automation. Fortune 500s and ambitious startups come to us for one…Explore the detailed profile of Bitcot

  • 51 to 250

  • $101 - $150

  • $5001 - $10000

  • California, USA

Markup designs began its operation in 2012 as a web and mobile app development company in the USA. With every passing year, a company started growing and now it has become one of the top-rated IT-enabled…Explore the detailed profile of Markup Designs

  • 51 to 250

  • $26 - $50

  • Less than - $5000

  • California, USA

DevBrother

Your Software Engineering Family

DevBrother is a boutique company with an individual approach to every collaboration, interested in building strong and long-term partnerships, based on providing the most efficient, productive,…Explore the detailed profile of DevBrother

  • 51 to 250

  • $26 - $50

  • $5001 - $10000

  • California, USA

ITRex Group

(3 Reviews)

We turn AI ambition into working systems — Gen AI, data,

ITRex is an AI-first software engineering company delivering full-cycle AI, data, IoT, cloud, and agentic AI solutions. We apply AI across the entire software development lifecycle—from discovery…Explore the detailed profile of ITRex Group

Daniel

Promptly addressed our business issues.

  • 51 to 250

  • $51 - $100

  • $50001 - $100000

  • California, USA

Idea Usher

Ushering In Innovation

Idea Usher is a leading tech solution provider specializing in app development,blockchain, Web3 innovations, and AI-powered platforms. With a robust portfolio spanning hundreds of projects, we deliver…Explore the detailed profile of Idea Usher

  • 251 to 1000

  • $26 - $50

  • $10001 - $25000

  • California, USA

Magicmind Technologies Limited

Empowering Solutions & Services

Magicminds: Empowering Solutions & Services – Bridging the Gap with Excellence. Headquartered in the USA with global footprints spanning across India and Australia, Magicminds stands as a frontrunner…Explore the detailed profile of Magicmind Technologies Limited

  • 51 to 250

  • $26 - $50

  • $10001 - $25000

  • California, USA

Frequently Asked Questions

Blockchain development companies in California offer a variety of services designed to meet different business needs. These services include creating smart contracts, developing decentralized applications (dApps), blockchain consulting, and integrating blockchain with existing systems. Many companies also provide end-to-end solutions, from initial planning to post-launch support, making sure the technology is seamlessly incorporated into your operations.

When selecting a blockchain partner, look at their experience with the specific type of blockchain project you need—such as financial services, healthcare, or supply chain solutions. Also, consider their expertise in platforms like Ethereum or Hyperledger, their approach to data security, and any regulatory compliance practices. Reviewing client testimonials and case studies can also give insights into their reliability and quality.

Blockchain development costs vary widely, depending on the complexity of the project. A basic smart contract might start around $10,000, while a fully customized blockchain solution could range from $50,000 to over $100,000. Factors like the development timeline, platform choice, and the level of ongoing support can also influence the final cost.

Yes, many California-based blockchain developers provide ongoing support after project completion. This can include regular updates, security monitoring, and maintenance to keep your solution running smoothly. Some companies even offer upgrades and additional features as your business grows, ensuring the blockchain solution evolves alongside your needs.

California blockchain companies work across various industries, including finance, healthcare, logistics, and retail. In finance, blockchain is used for secure transactions and fraud prevention, while in healthcare, it aids in data security and patient record management. Logistics companies use blockchain for supply chain transparency, and retail businesses leverage it for secure transactions and loyalty programs.

Blockchain development focuses on creating secure, decentralized systems that differ from standard software in a few ways. It involves building solutions where data is distributed across multiple nodes rather than being stored in one place, which enhances security. Blockchain projects often require smart contracts and consensus mechanisms to ensure data integrity, making it a unique and specialized process.

Popular blockchain platforms among Californian developers include Ethereum for its flexibility and smart contract capabilities, Hyperledger for private enterprise solutions, and Binance Smart Chain for efficient transactions. Each platform has its strengths, so developers typically choose one based on the project’s specific requirements, scalability needs, and security preferences.

Absolutely! Blockchain developers in California are familiar with both federal and state data protection laws, such as the California Consumer Privacy Act (CCPA). They often incorporate compliance features like data encryption, user permissions, and secure data handling to ensure blockchain solutions align with industry regulations, especially in fields like finance and healthcare.

Scalability is a top priority for many blockchain developers in California. To ensure solutions can handle increasing data and user loads, developers use strategies like layer-2 scaling solutions (e.g., sidechains), sharding to split databases into smaller parts, and cloud integration. This keeps blockchain systems efficient as demand grows.

Creating a custom blockchain solution involves several steps:

  • Initial Consultation to understand the project’s needs.
  • Planning and Design where developers choose the right platform and architecture.
  • Development including writing code, setting up nodes, and creating smart contracts.
  • Testing and Validation to ensure functionality and security.
  • Deployment followed by ongoing support and updates.

This structured approach ensures the final product is reliable, secure, and aligned with your business goals.



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