Top Smart Contract Development Blockchain Companies in United States
List of the Best United States Smart Contract Development Blockchain Firms

CUBYCODE is a team of professionals providing technological services since 2014. Proficient in Web development, App development, Amazon Web Services, Quality Assurance, and Testing. We combine strong techniques, amazing visuals, and creative strategies to tell the real story of your organization while providing data-driven results.
Our Client Base:
Mid-sized organizations, Startups with a passion to thrive in this dynamic market and established Corporate Companies who are committed with quality and deliverance.
Our Services:
- Product Strategy
- Blockchain Development
- IOS App Development
- Android App Development
- Web App Development
- Prototyping & Concept Development
- SAP Development
- Security & Compliance
- App Analytics and Marketing
- Product Design
- Interactive TV Development
- Quality Assurance & Testing
- Mobile Backend Engineering
- Security & Compliance
- App Analytics and Marketing
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$5,000 +
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10 - 49
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$25 - $49 / hr
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US, Overland
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DeFiner is pioneering a new approach to lending that removes the friction & costs associated with conventional loans. DeFiner's decentralized lending platform enables you to effortlessly secure digital loans within a global network of lenders & borrowers. Whether you're a lender seeking passive income for your assets, or a borrower in need of funds. Offers maximum flexibility to set your own rates and terms. All loans are fully collateralized and secured on an immutable blockchain.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Minneapolis
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Led by a US-based management team that understands the demands of startups and mid-market companies, Dev.Pro’s highly skilled engineering teams partner with their clients, enabling them to achieve complex technical objectives and create business value.
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$75,000 +
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250 - 999
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$50 - $99 / hr
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US, Charlotte
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$1,000 +
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10 - 49
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$25 - $49 / hr
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DigitalMint is an on-demand cryptocurrency provider that enables consumers to purchase Bitcoin and cryptocurrency through physical kiosks and teller windows. Our technology powers cryptocurrency transactions at hundreds of brick-and-mortar locations across the United States. At DigitalMint, we’re dedicated to providing cryptocurrency users with fast and secure transactions.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Minneapolis
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Disruptify provides strategy and technology for edge technologies. Our clients range from Fortune 500 to State/Federal government, non-profits, national consulting agencies, and start-ups. In early 2019 we rebranded to Disruptify as our passion and focus have always been about blockchain and its benefits to business, consumers, and the world. We have brought together highly intelligent, like-minded individuals to help companies and governments navigate this exciting new technology.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Minneapolis
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DreamzTech Solutions is a leading Custom Software Development Company in the USA. DreamzTech is an enterprise solution provider with expertise in New Age Technologies such as IoT, Blockchain, Enterprise Mobility, Progressive Web App Platform, Cloud Apps & Security, Data Analytics, Augmented Reality & Custom Web design & development. DreamzTech is Registered IBM & Amazon partner and recognised by Deloitte as one the fastest growing company in APAC and India. DreamzTech offices are located in USA, UK, India & Singapore with client presence worldwide & the USA division has the office in Arizona and is one of the most promising IT and consulting services company worldwide. Today DreamzTech USA runs with a team of architects, developers, programmers and marketing professionals to deliver New Age Technology services. We are a team of software engineers working in the service and product Industry to help enterprises transform their legacy systems through strategic consulting, and solutions, including those in mobility and cloud computing. Our services also include branding, website development, eCommerce and enterprise application development. Call us today to discuss your upcoming project @ (800) 893-2964.
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$10,000 +
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50 - 249
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< $25 / hr
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US, Tempe
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Drofika is a Blockchain-Powered Enterprise Decentralized Fog Computing Platform. Drofika is creating a decentralized data center, for the industrial internet of things. The world’s first blockchain oriented ecosystem for Industrial Internet of Things data processing. Computing power suppliers (pilots) all over the world can contribute their computing power to the Drofika market place and help power the future of Industrial IoT (Smart Car, Smart City, and Smart Homes)
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Atlanta
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As entrepreneurs, we know how hard it is to build a successful business because we’ve been through it ourselves. Now, we get to leverage our experience to help others succeed.
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$75,000 +
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250 - 999
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$50 - $99 / hr
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US, Charlotte
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Embroker is the easiest way to intelligently ensure any business. By pairing technology and broker expertise, Embroker helps growing businesses save time and find the best value on the right coverage. As the leading digital insurance brokerage, Embroker is working to massively improve the $800 billion property and casualty (P&C) insurance market. Headquartered in San Francisco, we have offices in Chicago and Boston and customers in all 50 states.
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Undisclosed
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50 - 249
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Undisclosed / hr
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US, San Francisco
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We are neither of those teams, we strive to bridge the gap between entrepreneurial vision and developer execution. What makes Enkode different is that our experienced founders work diligently with developers, create detailed documents of direction, and offer the foresight needed in crucial situations.
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$50,000 +
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10 - 49
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$50 - $99 / hr
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US, Chicago
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Entersec is a full circle technology solution provider. We offer top notch development services for startups and existing products. Our experience based on over 12 years of experience of working with clients from small e-shops and startups to Fortune500 companies. Our goal is to bring your ideas live and build long-term relationship with successful development of either your existing product improvements or making your ideas real.
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$1,000 +
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10 - 49
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$25 - $49 / hr
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US, Santa Monica
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Envision Blockchain Solutions provides enterprise consulting services around systems integration and modern cloud application development. Our team innovates custom technology solutions that increase revenue and business process efficiency.
Our mission is to reshape and align today’s enterprise systems allowing organizations a way to recognize new values in tomorrow’s industry vertical solutions.
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$25,000 +
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2 - 9
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$150 - $199 / hr
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US, Morris Plains
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Epixel MLM Software is a popular and established software development company specialized in providing application software solutions for enterprise as well as startup MLM businesses. Powered with up-to-date and advanced technologies, Epixel manages to maintain a wide range of customer base driven from offering special web-based packages. Epixel also offers cryptocurrency development, blockchain development, IEO/STO/ICO development, smart contract development, business intelligence tools, CRM, and many more. Integrated with business intelligence, data analytics, and automation, Epixel helps organizations to run their business profitably and successfully. Using robust technologies such as Python, Node.js, Golang, PostgreSQL, Redis, etc epixel helps to build highly stable and reliable platforms that have the auto-scalable architecture to accommodate the growing business demands and requirements. Integrated e-commerce solutions offered to popular industries are health and wellness, cosmetics and personal care, fashion, clothing, and lifestyle, rewards and loyalty program, deals and digital ads services, etc.
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$1,000 +
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50 - 249
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$25 - $49 / hr
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US, Las Vegas
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What makes Exyte different: 50+ successfully completed projects 11000+ stars on Github (ranked among the top global companies by Gitstar).
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$5,000 +
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10 - 49
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$50 - $99 / hr
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US, New York City
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Our mobile app development team has deep expertise and experience building award- winning mobile apps across all mobile platforms. Our Agile- based approach gives you control over scope, mitigates risk, and provides the fastest path to market. Our Ul/UX designers partner with you to handcraft a user experience that resonates bes with your target audience. The result? An intuitive and fresh product that engages your users and keep them coming back for more.
Frenchy Digital is a black-owned, women led startup that specializes in Mobile App and Blockchain Asset Development. Our international offices allow us to assign the right delivery team to produce the very best product both quickly and at a fair price. Before our offices opened in Los Angeles, our developers, designers, and technical project managers have delivered hundreds of web and mobile applications for satisfied clients. These clients range from entrepreneurs, startups to small, medium, and enterprise level companies all around the world. We believe in the power of Tech for Good, and always putting our clients first. Delivering world-class mobile solutions and applications will create the new experience of tomorrow that every user wants and every organization needs.
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$10,000 +
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10 - 49
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$25 - $49 / hr
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US, Los Angeles
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At fullhodl.com we have experienced the growing pains of the cryptocurrency market. We are passionately empowering the crypto community with easy to understand information and in-stock products for all levels of hodlers. Inspire and help facilitate long-term, secure adoption of cryptocurrency worldwide. A world well-versed in cryptocurrency and it’s vast uses.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Minneapolis
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Gen Z Guru is a boutique management consulting firm that provides insights on how best to connect with the generation after Millennials – Gen Z. This new generation between 1995-2012, is impacting our workplace and marketplace. Have entirely new attitudes about work, money, and life. We pride ourselves on customizing programs for every industry and audience. We achieve that with a thorough intake and interview process to assure we are not just meeting your expectations but exceeding them.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Minneapolis
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We’re building a rich new healthcare economy powered by the Healy token and led by patient communities. Healy communities help patients collect, own and share their own health record. Welcome to the real blockchain revolution. With Healy people create a lifelong record of health information. Patients become owners of their health data. If they choose, they can sell it, contribute it to research or use it to advocate their condition.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Minneapolis
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Our advisors and engineers help you solve your business challenges with sustainable and proven technology solutions. We are the trusted resource for valuable advice from the veterans of the tech industry.
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$1,000 +
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50 - 249
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$25 - $49 / hr
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US, Cary
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We are your global business design partner.
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$10,000 +
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1,000 - 9,999
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$100 - $149 / hr
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US, Armonk
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Ideas By Nature is a well-crafted team of designers, engineers, builders, and blockchain technology experts.
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$5,000 +
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50 - 249
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$100 - $149 / hr
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US, Denver
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$10,000 +
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250 - 999
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$50 - $99 / hr
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US, Louisville
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ledgr is a professional services consultancy focused on Blockchain for the enterprise. We partner with clients on their most strategic digital opportunities. We believe Blockchain presents an opportunity for the forward-thinking enterprises to realize broad efficiencies, protect their brand and consumers, and to out-innovate the competition. We innovate using Blockchain and other technologies to build the future and create opportunity.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Johns Creek
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Match.dev is a free and easy way to chat with experts who can pair you with vetted developers who are the exact right fit for you and your team. The service is run by real people, no gimmicks.
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$1,000 +
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50 - 249
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$50 - $99 / hr
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US, New York City
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Exchanges such as Coinbase or Gemini provide a convenient way to purchase Bitcoin using your bank account or a credit card. However, using an exchange to purchase Bitcoin might not be the best approach for all people. We are committed to making sure that every transaction and interaction with us provide the best possible customer experience. We will do everything possible to ensure your satisfaction.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Minneapolis
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The Minnesota Blockchain Initiative is a world-class blockchain hub. We believe that blockchain, cryptocurrencies, smart contracts, decentralized applications(DAPPS), decentralized storage and related tool-sets will disrupt and improve most industries over the next decade. Our sole focus is to help Minnesota take the lead in this global technology revolution. Our mission is to build a world-class ecosystem for blockchain technologies within Minnesota, and beyond.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Minneapolis
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For more than 10 years on the market, Misha Infotech has been providing comprehensive business solutions, as well as services like mobile app development, web development, e-commerce, and even more. This firm helps various companies grow quickly in different areas.
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$1,000 +
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50 - 249
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< $25 / hr
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US, San Rafael
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NCXT is a design thinking technology company focused on delivering user-friendly business solutions. If you are a mid-large size business looking to launch a new service, product, program or business; find out how the data-driven human advantage can work for you.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Minneapolis
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$5,000 +
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10 - 49
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$100 - $149 / hr
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NextPakk is transforming the last-mile into a more efficient, secure and convenient experience by leveraging blockchain technology and the sharing economy. A catalyst for connecting people with the power of locally-sourced ecosystems and self-support through micro-economies within 20 square miles or less. We do this by enabling local businesses with the means to develop creative ways to broaden their reach, live, earn and work within the power of their local communities.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Minneapolis
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We’re an API-first crypto asset data company delivering professional-grade market data APIs to institutional crypto investors and exchanges. We offer products and services that allow funds, fintech apps, and exchanges to access clean, normalized and gapless primary source trade and order book data. We put our mission & customers before our department, group or team, and are open-minded, always in search of the best ideas.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Minneapolis
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Paramount is a fast-growing and proven IT Services firm providing world-class technical and staffing solutions in both the public and the private sector. Established in 1997 and headquartered in Alpharetta, GA, the company is founded on the principle that a leading IT services firm must employ only the most experienced, application-specific resources, and technologies. In this effort, the company has developed time-tested methodologies in our dynamic approach towards infrastructure and talent solutions.
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Undisclosed
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50 - 249
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Undisclosed / hr
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US, Alpharetta
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At PixelPlex, we custom-build competitive solutions for specific needs of our clients to help overcome challenges and grow bottom lines.
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$25,000 +
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50 - 249
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$50 - $99 / hr
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US, New York City
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Project Verte is a social ecosystem that uses blockchain technology to create a participatory community. When we work together we benefit not only the lives of others but also our own. Our technology includes fully automated dynamic fulfillment, the most advanced intelligent inventory management technology, an intuitive seller portal, secure payment processing, blockchain technologies and full access to a transparent central database.
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Undisclosed
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10 - 49
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Undisclosed / hr
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US, McDonough
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ProtoFire provides professional services for token-based startups. We help startups at pre- and post-ICO stage with legal, marketing, and actuarial services, as well as protocol and smart contract engineering, and risk modeling.
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$1,000 +
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10 - 49
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$25 - $49 / hr
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US, Sunnyvale
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QGenda is the #1 cloud-based, automated physician scheduling software. Since its launch in 2006, QGenda has grown to serve more than 2,500 customers in over 30 medical specialties across 5,000 hospitals. Leading physician groups, hospitals, academic medical centers, and enterprise health systems use QGenda to optimize their workforce which allows them to provide the best possible patient care. QGenda is headquartered in Atlanta, GA.
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Undisclosed
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50 - 249
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Undisclosed / hr
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US, Atlanta
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We listen and take note of your needs, define our role, and visualize the solutions. This process allows us to implement flexible and effective processes and conquer ever-evolving challenges in business and communications. Staying ahead of the curve is the key to success in today's business world. We make sure to keep our eye on changes and elevations in technology, as that is what keeps us current and your company competitive.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Hopkins
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Our team's focus is to unlock next-generation possibilities and also sort the real-time challenges for web development with the latest innovative technologies like website development with Gatsby, Nuxtjs, Nextjs, Gridsome, Graphql, Netlify, and Jamstack. We help businesses to opt for modern advancement and sell on multiple channels with headless E-commerce solutions with Virto Commerce and nopCommerce.
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$1,000 +
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10 - 49
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$25 - $49 / hr
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US, Dallas
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At Revelry, we believe that we all build better together. Building together, for us, is about a collaborative nature of product development. It means that we center your best interests in everything we do. We are collaborative, we’re transparent, and we’re committed to doing this with you. We don’t go behind a curtain after you give us instructions. And we don’t tell you how to build your product without giving you a say. Together we design, build, & launch products to build amazing companies.
Our team of engineers, designers, and product managers has created hundreds of partners’ applications in the past decade. Our products are scalable, based on business requirements, and designed to surpass company goals. We have a collaborative, agile-based approach to product development. In addition to building products with partners, we have worked to scale, build, and mentor internal development teams at companies and shared our styles, approaches, and tools for product development.We unleash human potential by delivering innovative software products people love. Founded in 2012, Revelry designs, deploys, and manages scalable software solutions for companies across the globe. From a good idea through your millionth line of code, we got you. Your krewe is waiting.
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$25,000 +
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50 - 249
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$150 - $199 / hr
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US, Chicago
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