The blockchain industry in the USA is evolving rapidly, with companies at the forefront transforming how businesses handle security, transparency, and decentralized operations. As blockchain adoption accelerates across finance, healthcare, logistics, and digital identity sectors, American development firms are pioneering innovative solutions like smart contracts, NFT marketplaces, and DeFi ecosystems.
These organizations not only build custom blockchain platforms but also integrate AI, IoT, and cloud technologies for smarter, scalable systems. From versatile startups to global technology leaders, the top blockchain development companies in the USA stand out for their technical proficiency, industry-specific expertise, and commitment to client success.
They are driving the next generation of decentralized innovation—enabling enterprises to digitize operations, enhance security, and unlock new business models in an increasingly tokenized economy. The following list highlights the top 20 custom blockchain development companies shaping the U.S. Web3 landscape in 2025.
Top 20 Custom Blockchain Development Companies in USA
1. Netset Software
Netset Software stands as a leading blockchain and Web3 software development company based in the USA. The company specializes in comprehensive blockchain development services including DeFi solutions, NFT development, smart contracts, and private blockchain development. Netset Software delivers enterprise-grade blockchain solutions for various industries including real estate, finance, and supply chain management. With expertise across multiple blockchain platforms and a focus on custom blockchain architecture, Netset Software has established itself as a trusted partner for businesses seeking to implement blockchain technology.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 51-200 | $101-$150 | 2011 |
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2. LeewayHertz
LeewayHertz is one of the most established blockchain software firms in the USA, headquartered in San Francisco, CA. The company has extensive experience developing for platforms like Hyperledger and Ethereum, making them a top choice for large corporations looking to integrate blockchain into their operations. LeewayHertz offers enterprise blockchain solutions, smart contract development, NFT marketplace creation, and AI & blockchain integration services. With a 4.9-star rating on Clutch from 80+ reviews, they have established strong partnerships with Fortune 500 companies including Siemens, Disney, and PepsiCo.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 50-249 | $50-$99 | 2007 |
3. ConsenSys
ConsenSys is a foundational company in the Ethereum ecosystem, headquartered in New York, NY. The company is known for developing key infrastructure like MetaMask and Infura. ConsenSys offers enterprise-grade software and services for building on Ethereum, including Ethereum development solutions, smart contract auditing, DeFi & staking products, and enterprise consulting. With 500+ employees, ConsenSys is widely recognized as a leader in the Ethereum community and serves major financial institutions, governments, and leading Web3 projects.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 500+ | $56-$118 (avg) | 2014 |
4. IBM Blockchain
IBM provides a fully integrated, enterprise-ready blockchain platform based on the open-source Hyperledger Fabric framework. Headquartered in Armonk, NY, IBM has been a pioneer in enterprise blockchain since 2016. The IBM Blockchain Platform offers a complete blockchain-as-a-service (BaaS) solution with management console, SDK, and deployment options across IBM Cloud, AWS, Azure, and on-premises environments. IBM serves various industries with solutions for supply chain, trade finance, and digital identity, providing 24/7 support and industry-leading expertise.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 250,000+ | $30-$60 (avg) | 1911 |
5. Chainalysis
Chainalysis is an American blockchain analysis firm headquartered in New York City. While primarily focused on blockchain analytics rather than development, Chainalysis provides critical blockchain intelligence services to government agencies, cryptocurrency businesses, and financial institutions. The company has helped law enforcement recover over $34 billion in illicit funds and supports investigations across 45+ regulatory agencies worldwide. Chainalysis serves nine of the top ten crypto exchanges and provides essential compliance and investigation tools for the blockchain ecosystem.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 808 | Not disclosed | 2014 |
6. Altoros
Altoros is a blockchain development and consulting firm based in Pleasanton, CA, with expertise in Web3 integration and enterprise blockchain solutions. The company offers blockchain consulting, development, deployment, and full-cycle custom development services including PoC, MVP, and production-grade solutions. Altoros specializes in Hyperledger Fabric and Ethereum, with a proven track record in tokenization, DeFi, and supply chain blockchain applications. With a 4.8 Clutch rating, Altoros serves enterprises looking to integrate blockchain into existing operations.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 250-999 | $50-$99 | 2001 |
7. HashCash Consultants
HashCash Consultants is a blockchain software products company headquartered in Palo Alto, California. The company offers comprehensive blockchain consulting services including blockchain application development, marketing, fundraising, and ICO services. HashCash runs the US-based cryptocurrency exchange PayBito and digital asset payment processor BillBitcoins. With 201-500 employees and $6.5 million in revenue, HashCash provides white label cryptocurrency exchange software, payment processor solutions, and customized blockchain use case development.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 50-249 | $25-$49 | 2014 |
8. PixelPlex
PixelPlex is a leading blockchain development company headquartered in New York, NY. The company specializes in blockchain-powered dApps, cryptocurrency exchanges, smart contracts, and NFT marketplaces. PixelPlex offers expertise across Ethereum, Solidity, Polkadot, and Solana platforms. With over 300 delivered projects and a 4.9 Clutch rating, PixelPlex serves startups and enterprises in fintech, healthcare, real estate, and cybersecurity.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 100-133 | $50-$99 | 2007 |
9. SoluLab
SoluLab is a trusted blockchain development partner offering comprehensive blockchain services. The company, with 201-500 employees, provides blockchain tech consulting, enterprise blockchain development, smart contracts development, and decentralized application services. Founded by ex-Goldman Sachs and Citrix executives, SoluLab has offices in the USA, India, and UAE, serving various industries with blockchain solutions for DeFi, NFTs, and enterprise applications. The company has successfully completed over 1,500 projects worldwide.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 201-500 | $26-$50 | 2014 |
10. Accenture
Accenture (NYSE: ACN) has been recognized as a Leader in enterprise blockchain services by Everest Group. The company offers comprehensive blockchain consulting and development services, including work on central bank digital currencies (CBDCs), decentralized finance, digital identity, and supply chain solutions. Accenture developed Blockchain for Contracts, built on R3 Corda technology and hosted through Microsoft Azure. The company serves global clients with blockchain integration, smart contract development, and enterprise transformation services.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 750,000+ | $200-$300 | 1989 |
11. Unicsoft
Unicsoft is a technology consulting firm based in Miami, FL, with a strong focus on blockchain and AI. The company specializes in DeFi application development, custom blockchain solutions, AI integration, and NFT development. With a team of 50-249 employees and a 5.0-star rating on Clutch from 75+ reviews, Unicsoft serves FinTech startups, investment funds, and companies entering the DeFi market. Their expertise in decentralized finance has made them particularly popular for developing lending protocols and financial products on blockchain.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 50-249 | $50-$99 | 2005 |
12. Debut Infotech
Debut Infotech has been a leader in delivering blockchain services since 2012. The company specializes in building secure and scalable blockchain solutions, offering expertise in smart contracts, decentralized applications (dApps), and blockchain integration. Debut Infotech serves startups, SMBs, and Fortune 500 companies with comprehensive blockchain development services. The company focuses on creating production-ready blockchain applications across various industries including finance, supply chain, and healthcare.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 50-250 | $25-$49 | 2012 |
13. R3
R3 is an enterprise blockchain firm that developed Corda, one of the world’s leading open, permissioned distributed ledger technology platforms. Founded in 2014, R3 has created the largest permissioned DLT ecosystem with over 400+ CorDapps. The company received $120+ million in Series A funding led by 40 global institutions, the largest ever USD investment for DLT at the time. R3 specializes in RWA tokenization, digital currencies, and interoperability solutions with over $10 billion in on-chain real-world assets.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 250-500 | Not disclosed | 2014 |
14. Infosys
Infosys offers comprehensive blockchain solutions and services through its dedicated blockchain practice. The company provides end-to-end blockchain services from advisory, implementation, and change management to operationalization and application maintenance. Infosys has developed blockchain solutions for government services, supply chain, insurance, and financial services. Notable projects include blockchain-based vital records management systems and credentialing solutions for state governments. Founded in 1981, Infosys is a global IT services leader with over 317,000 employees.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 317,000+ | $50-$100 | 1981 |
15. Tata Consultancy Services (TCS)
TCS has been ranked among the top five providers in enterprise blockchain services by HFS Research, ranked number two for delivery footprint and number three for vision and strategy. The company offers Quartz™, a comprehensive blockchain solutions suite that enables institutional-grade secure custody and transaction management for crypto and digital assets. TCS provides integrated blockchain offerings for financial firms with expertise across multiple blockchain platforms and protocols. As one of India’s largest IT companies founded in 1968, TCS employs over 612,000 people globally.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 612,000+ | $40-$80 | 1968 |
16. Markovate
Markovate is a blockchain development company headquartered in San Francisco, California. The company specializes in AI consulting, Gen AI development, Web3 development, and blockchain development services. Markovate offers comprehensive blockchain services including smart contract development, dApp development, NFT marketplace creation, and DeFi solutions. With a team of 51-200 employees, Markovate has delivered over 300 digital products across various industries including Stellar, Cardano, and other blockchain platforms.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 51-200 | $50-$99 | 2015 |
17. Blaize
Blaize is a specialized blockchain development firm focusing on DeFi and blockchain engineering. The company has expertise with both established chains like Ethereum, BNB Chain, and Solana, as well as cutting-edge ones like Aptos, Sui, and StarkNet. Core services include private blockchain development, decentralized applications development, smart contracts development and audits, security assessments, blockchain integration, and crypto wallet infrastructure. Blaize is highly rated on Clutch with 5.0/5.0 and has six-plus years of experience exclusively in blockchain.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 50-100 | $50-$99 | 2019 |
18. Wildnet Edge
Wildnet Edge is globally recognized as a premier blockchain development company at the forefront of the decentralized revolution. Founded in 2008, the company has 250-999 employees and maintains a 5.0-star rating on Clutch from 90+ reviews. Wildnet Edge specializes in custom blockchain development, dApp development, smart contract development & auditing, NFT marketplace development, and DeFi solutions. The company has major global offices with a significant hub for blockchain innovation in the USA, serving major corporations in finance, supply chain, gaming, and digital identity.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 250-999 | $50-$99 | 2008 |
19. Appinventiv
Appinventiv offers custom blockchain development services with expertise in blockchain application development for various industries. The company provides comprehensive blockchain solutions including smart contract development, cryptocurrency exchange platforms, and decentralized application development. Appinventiv serves clients globally with a focus on creating scalable and secure blockchain implementations for finance, real estate, and supply chain applications. The company has established itself as a prominent player in the blockchain development space with numerous successful projects.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 1,000+ | $25-$49 | 2015 |
20. Block (formerly Square)
Block, headquartered in San Francisco, is a financial services and mobile payments company founded by Jack Dorsey. The company has rapidly expanded its blockchain and cryptocurrency operations with subsidiaries including Cash App, a popular payments platform, and Bitcoin-focused Spiral. Block collaborates with businesses globally to develop inclusive financial policies and blockchain-based payment solutions. The company focuses on leveraging blockchain technology to provide faster, more transparent, and cost-effective alternatives to traditional financial services.
| Number of Employees | Rate per Hour | Founded |
|---|---|---|
| 12,000+ | Not disclosed | 2009 |
These 20 companies represent the leading edge of blockchain development in the United States, offering comprehensive services ranging from enterprise blockchain solutions to DeFi platforms, smart contracts, NFT marketplaces, and blockchain consulting. Each company brings unique expertise and capabilities to help businesses leverage blockchain technology for digital transformation and innovation.