Top 8 Agencies for Hiring Blockchain Developers in the US

As blockchain technology transforms industries such as banking, healthcare, supply chain, and gaming, the surge in demand for expert blockchain developers shows no signs of slowing down. Whether you need help building a secure smart contract, developing a DeFi platform, or creating your cryptocurrency, choosing the right blockchain development partner is essential.
Here’s a curated list of the top agencies for hiring blockchain developers in the US, ranked by technical expertise, industry recognition, client feedback, and delivery capability.

1. Developers.dev 

With a strong focus on innovation, Developers.dev delivers cutting-edge blockchain solutions tailored to diverse industry needs. They offer access to a vast pool of certified blockchain developers experienced in Ethereum, Hyperledger, and NFT technologies.

Key Services

• Custom blockchain app development
• Smart contracts & dApp creation
• Ethereum and Hyperledger solutions
• NFT marketplace development
• Blockchain consulting and auditing

Tech Stack

Ethereum, Solidity, Hyperledger Fabric, Polygon, Web3.js, Truffle, IPFS, SmartPy

Reviews & Ratings

Clutch Rating: 4.9/5
Client Feedback: “They built a secure NFT trading platform for us. Transparent team and top-tier tech expertise.”

Why Hire Developers.dev?

• 300+ blockchain experts
• End-to-end development and consulting
• Industry-grade security standards
• Ideal for startups to large enterprises

Contact Details & Headquarters

Website: www.developers.dev
Headquarters: San Jose, CA, United States
Founded: 2005
Email: info@developers.dev

2. CISIN (Cyber Infrastructure Inc.)

CISIN excels in creating flexible and enterprise-grade blockchain development services for long-term growth. With deep expertise in crafting both public and private blockchain architectures, the company specializes in creating secure, regulation-compliant ecosystems. Their skilled developers are adept at designing and deploying smart contracts, digital wallets, and end-to-end blockchain solutions tailored for sectors like finance, logistics, and supply chain management.

Key Services

• Blockchain architecture and integration
• Tokenization and DeFi apps
• Smart contract audits
• Private blockchain networks
• Blockchain for logistics and IoT

Tech Stack

Solidity, Hyperledger Sawtooth, Stellar, Ethereum, Binance Smart Chain, GoLang, Rust

Reviews & Ratings

Clutch Rating: 4.8/5
Client Feedback: “CISIN’s blockchain team delivered a powerful, fully audited DeFi platform within deadline.”

Why Hire CISIN?

• 20+ years of enterprise software expertise
• Excellent for regulated environments
• Flexible engagement models
• Blockchain integration with legacy systems

Contact Details & Headquarters

Website: www.cisin.com
Headquarters: San Jose, California, USA
Founded: 2003
Email: info@cisin.com

3. Errna 

Errna is a rising star in the blockchain space, helping businesses create secure, scalable decentralized applications. They bring deep expertise in building platforms for finance, logistics, and identity verification using blockchain tech.

Key Services

• Crypto wallet and exchange development
• Permissioned blockchain networks
• dApps for fintech and supply chain
• DAO setup and governance tools
• Ongoing support and compliance

Tech Stack

Ethereum, Solidity, Corda, Stellar, Chainlink, Substrate, IPFS

Reviews & Ratings

Clutch Rating: 4.7/5
Client Feedback: “Their team helped us launch our blockchain-powered logistics platform ahead of schedule.”

Why Hire Errna?

• Focus on secure and high-performance platforms
• Great for DeFi, logistics, and fintech
• Deep blockchain R&D capabilities
• Personalized, scalable delivery model

Contact Details & Headquarters

Website: www.errna.com
Headquarters: San Jose, USA
Founded: 2015
Email: info@errna.com

4. Coders.dev 

With a global network of seasoned developers, Coders.dev provides tailored blockchain development services to startups, enterprises, and digital agencies. Their flexible hiring options and competitive pricing models ensure high-quality outcomes without stretching your budget.

Key Services

• Hire remote blockchain developers
• Blockchain consulting and audits
• NFT and token development
• Cross-chain application builds
• Wallet and exchange integration

Tech Stack

SmartPy, Tezos, Cardano, React Native, Ethereum, Web3.js, Solidity, Polygon

Reviews & Ratings

Clutch Rating: 4.8/5
Client Feedback: “We built our NFT marketplace using Coders.dev developers. Seamless hiring and excellent support.”

Why Hire Coders.dev?

• Flexible hiring: full-time, part-time, or hourly
• Cost-effective with U.S. project managers
• Fast onboarding and vetting
• Ideal for rapid MVP development

Contact Details & Headquarters

Website: www.coders.dev
Headquarters: London, England
Founded: 2003
Email: contact@coders.dev

5. LeewayHertz 

LeewayHertz is an established name for building scalable blockchain platforms for supply chain, finance, and insurance. Their team of developers and architects is well-versed in integrating blockchain with emerging technologies like AI and IoT.

Key Services

• Blockchain application development
• Supply chain traceability tools
• AI + Blockchain integrations
• Insurance & finance blockchain solutions
• Smart contract audits

Tech Stack

Hyperledger, Ethereum, Solidity, R3 Corda, Chainlink, AWS Blockchain Templates

6. Chaincella

Chaincella is a go-to partner for blockchain startups needing fast, innovative, and scalable solutions. From ICOs to NFT platforms, their developers provide end-to-end support for blockchain innovation.

Key Services

• ICO and token development
• NFT marketplace launch
• Custom app development
• Wallet integration
• Cross-platform mobile apps

Tech Stack

Ethereum, Solidity, Binance Smart Chain, React, Vue.js, IPFS

7. PixelPlex 

PixelPlex integrates cutting-edge blockchain capabilities with in-depth knowledge of AI, IoT, and cybersecurity. Recognized for housing some of the best blockchain development experts, the company delivers advanced, cross-industry solutions tailored for enterprise clients in healthcare, fintech, and logistics. Their team specializes in solving complex, compliance-driven challenges across highly regulated sectors.

Key Services

• Blockchain + AI integration
• Private/public blockchain networks
• Tokenization and data security
• Smart contract automation
• Blockchain consulting

Tech Stack

Solidity, Hyperledger, Ethereum, Substrate, AI/ML APIs, Python

8. OpenXcell

OpenXcell stands out for its adaptable hiring models and clear, client-first approach. They offer dedicated blockchain developers with expertise in Ethereum, Stellar, and consortium blockchain builds tailored for enterprise clients.

Key Services

• Smart contract development
• Private blockchain systems
• Blockchain app testing & QA
• Digital asset management platforms
• Blockchain migration
  
  

Tech Stack

Solidity, Stellar, Ethereum, Ripple, Quorum, Node.js

Conclusion

Blockchain technology is evolving rapidly, and partnering with the right development agency can set the foundation for innovation, scalability, and long-term growth. Whether you're launching a decentralized app, building a custom blockchain, or integrating with existing enterprise systems, these top 8 blockchain development agencies in the US have the skills and experience to deliver.
From Developers.dev’s robust end-to-end offerings to Errna’s industry-specific solutions and Coders.dev’s flexible developer hiring, this list covers agencies that cater to startups, enterprises, and everything in between.