Top 70 Smart Contract Companies in California
The Best of December 2025Looking for a top smart contract developer in California?
Smart contract development ranges in cost from $5,000 to $100,000 depending on the complexity of programming and deploying the contract. To get started, smart contract developers should define the contract requirements, create the code, test the contract, and deploy it. These steps may sound simple, but smart contracts must consider all rules to ensure a digital transaction works as planned.
Smart contract development is a required skill for any blockchain developer you work with. When hiring a blockchain development company, ask about its experience creating smart contracts and its approach.
To assist you in your search for a partner, we’ve compiled this list of the top smart contract companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California Smart Contract Developers
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1$25,000+50 - 249 employeesLos Angeles, CADreamers Inc. Is an artificial intelligence development company in Los Angeles, California. Launched in 2013, the midsize team focuses on Artificial Intelligence, Mobile App Development, Blockchain, Cybersecurity, and more.Read More
Clients
NASA Johns Hopkins Applied Physics Lab US Air Force US Department of EducationIndustries
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2$100,000+50 - 249 employeesLos Angeles, CARead More
AE Studio is a team of designers, engineers, and data scientists based in Venice, CA – working on blockchain solutions internally and for partners since their founding in 2016. Their team of more than 150 members provides full, end-to-end blockchain services for startups and enterprise partners, ranging from strategic advisory to community/gtm to smart contract deployment. They are chain agnostic and partner with leading blockchain groups like Dapper Labs, Polygon, and Skale.
Clients
SamsungIndustries
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3$50,000+10 - 49 employeesSan Francisco, CAHypotenuse Labs is a Blockchain company. Founded in 2018, the company is based in San Francisco, California and New York, New York. The small team specializes in Blockchain, Custom Software Development, Web Development, Artificial Intelligence, and more.Read More
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4$10,000+50 - 249 employeesLos Angeles, CACodiste is a Blockchain company established in 2019. They are headquartered in Los Angeles, California; Johannesburg, South Africa and Ahmedabad, India and have a midsize team. The firm provides Blockchain, AI Consulting, Generative AI, AR/VR development, and more.Read More
Clients
Bonfire CapitalIndustries
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5$25,000+50 - 249 employeesNewark, CACalibraint Technologies is a Chennai, India-based blockchain company. The midsize team focuses on blockchain, custom software development, Artificial Intelligence, application management & support, and more and was launched in 2015.Read More
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6$10,000+10 - 49 employeesSan Francisco, CACoding Crafts LLC is a mobile application development firm in San Francisco, California. The small team specializes in Mobile App Development, Web Development, Custom Software Development, Blockchain, and more and was established in 2019.Read More
Clients
YogaJointIndustries
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7$25,000+250 - 999 employeesSan Jose, CAAppsters is a mobile application development firm based in San Jose, California. The midsize agency was launched in 2010. Their team specializes in Mobile App Development, Blockchain, and Artificial Intelligence.Read More
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8$25,000+10 - 49 employeesDaly City, CARead More
Software development firm Talos Digital is located in Medellín, Colombia and Austin, Texas. The midsize team specializes in custom software development, ux/ui design, mobile app development, web design, and more and was founded in 2011.
Industries
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9$10,000+10 - 49 employeesSan Francisco, CAAmbisafe is a Blockchain company. They are headquartered in San Francisco, California and have small team of experts. Their services include Blockchain.Read More
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10$25,000+10 - 49 employeesMarina del Rey, CARead More
Coreware Group is a full-stack mobile, IoT, and web app development company based in San Jose, Calif., with offices in Huntington Beach, Calif., and Belgrade, Serbia. The company, founded in 2016, has a team of more than 30 that provides a wide range of services that include mobile app development, web development, UX/UI design, web design, custom software development, and IoT development. Coreware Group serves small and larger-sized companies in various industries.
Clients
Mercedes BenzIndustries
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11$25,000+50 - 249 employeesMountain View, CARead More
Scytalelabs is a graphic design agency founded in 2018. They are headquartered in Lahore, Pakistan and have a midsize team. Their services include graphic design, other design, Artificial Intelligence, and blockchain.
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12$5,000+250 - 999 employeesSanta Clara, CAFounded in 2005, Hire Backend Developer is a web development company. Their services include Web Development and Mobile App Development.Read More
Clients
QabuIndustries
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13$50,000+10 - 49 employeesCarlsbad, CARead More
Epik Systems is a small Carlsbad, California-based software development firm. Founded in 2019, the team offers custom software development, Artificial Intelligence, blockchain, IT staff augmentation, and more.
Industries
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14$5,000+250 - 999 employeesSanta Rosa, CARead More
Blitz Mobile Apps is a midsize app development company headquartered in Santa Rosa, California. Launched in 2018, the team offers mobile app development, blockchain, video production, and AR/VR development.
Industries
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15$10,000+10 - 49 employeesIrvine, CARead More
Custom Software Solutions, Inc is a software house based in Irvine, Calif., and founded in 2005. With no more than 50 experts, they provide SEO, PPC, and custom software development solutions to clients ranging from startups to large businesses.
Clients
HID GlobalIndustries
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16$10,000+2 - 9 employeesLos Angeles, CARead More
Founded in 2017, Mvmnt is a visual agency based in Los Angeles. Their team of 10+ specializes in video production, content marketing, AR/VR development, and branding.
Industries
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17$50,000+2 - 9 employeesBerkeley, CAQuant Five LLC is a website development company launched in 2017. They are in Berkeley, California and have a small team. Their services include web development, ux/ui design, blockchain, mobile app development, and more.Read More
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18$1,000+50 - 249 employeesSunnyvale, CAProtofire is a Blockchain company. The team offers Blockchain and Business Consulting and is headquartered in Sunnyvale, California.Read More
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19$10,000+10 - 49 employeesSan Francisco, CATheBlockBox is a Blockchain company founded in 2018. Their team provides Blockchain and Custom Software Development.Read More
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20Undisclosed2 - 9 employeesFullerton, CALaunched in 2022, Dark Universe Inc., a small Blockchain company, is located in Fullerton, California. Their services include Blockchain.Read More
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21$1,000+10 - 49 employeesLos Angeles, CARead More
Located in Los Angeles, California, Paper Unicorn is a blockchain company. They provide blockchain, mobile app development, and other application development and were founded in 2016.
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22$10,000+50 - 249 employeesLos Angeles, CARead More
SEROKELL is an artificial intelligence development company. Their midsize team is in Paris, France; Los Angeles, California; Tel Aviv-Jaffa, Israel and New York, New York. The agency focuses on Artificial Intelligence, Blockchain, Custom Software Development, Web Development, and more.
Clients
DisciplinaIndustries
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23Undisclosed2 - 9 employeesLos Angeles, CAMinoid, a Blockchain company, is located in Austin, Texas and Los Angeles, California. The team specializes in Blockchain.Read More
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24$1,000+50 - 249 employeesFremont, CALaunched in 2022, Infrablok is a midsize AI firm headquartered in Fremont, California and Noida, India. Their team specializes in Artificial Intelligence and Blockchain.Read More
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25$10,000+10 - 49 employeesIrvine, CARead More
Established in 2016, Linkosys is a small IT strategy consulting company based in Irvine, California and Irvine, California. Their services include IT strategy consulting, IT managed services, BI & big data consulting & SI, IT staff augmentation, and more.
Clients
BresatechIndustries
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26$5,000+10 - 49 employeesSanta Clarita, CAEstablished in 2018, IIInigence LLC, a small branding firm, is in Santa Clarita, California. Their services include Branding and Web Design.Read More
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27$1,000+50 - 249 employeesLos Angeles, CAAppinventors INC is a mobile application development firm founded in 2014. The team specializes in Mobile App Development and IT staff augmentation and is headquartered in Los Angeles, California.Read More
Clients
Jubilant FoodWork Subway Follett CleverIndustries
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28$5,000+10 - 49 employeesLos Angeles, CARead More
Jators LLC is a Los Angeles, California-based AI development company. The small team focuses on Artificial Intelligence, IoT development, and blockchain and was founded in 2022.
Industries
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29$5,000+50 - 249 employeesSan Francisco, CAYellow Capital is a San Francisco, California-based blockchain marketing company. The midsize team offers blockchain marketing, blockchain, marketing strategy, and product marketing and was launched in 2020.Read More
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30$5,000+50 - 249 employeesSan Diego, CAFounded in 2022, Blocklead Venture Studio is a midsize San Diego, California-based Blockchain company. Their services include Blockchain and Business Consulting.Read More
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