Top Blockchain & Web3 Development Firms

Code deployed to a public blockchain is hard to change and often holds money, so mistakes cost far more than in ordinary software. Blockchain and Web3 development companies build that code and the products around it: smart contracts in Solidity or Rust, decentralized apps, wallets, token and NFT platforms, DeFi protocols, real-world asset tokenization and private ledgers on Hyperledger Fabric. Fintechs, exchanges, game studios and enterprises hire them to launch a token or marketplace, add crypto payments, or build supply chain and identity systems on a shared ledger.

Compare developers here on audited contracts already in production, the chains they deploy to, and how they handle key management and upgrades.

How this list is built

We evaluate companies on verified profile data: services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

3,786 Companies

List of the Best Blockchain & Web3 Development Agencies

aelf
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aelf is a decentralized, self-evolving cloud computing network designed to create a Blockchain infrastructure that meets various commercial needs. It offers a highly efficient multi-chain parallel-processing system that supports cross-chain communication and self-evolving governance. This blockchain
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
10-49
Employees
Singapore, Singapore, Sg
Services Provided
50% Blockchain & Web3 Development
50% Cloud Consulting & SI
AI Summary
“aelf is a decentralized, self-evolving blockchain platform offering efficient multi-chain processing and customizable infrastructure to meet diverse commercial and industry-specific needs globally.”
Blockchaineum
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Blockchaineum is a blockchain engineering firm that focuses on delivering innovative solutions for businesses and organizations eager to utilize blockchain technology. Established in 2017 by a group of skilled professionals with expertise in blockchain, business strategy, and software development, t
Highlights
$10,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
10-49
Employees
Budapest, Budapest, Hu
Services Provided
50% Blockchain & Web3 Development
50% Operational Process Consulting
AI Summary
“Blockchaineum is a Budapest-based blockchain engineering firm offering innovative development, strategic consulting, and security auditing services, enabling businesses to effectively integrate and secure blockchain technology.”
Aeries Technology
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Aeries Technology (Nasdaq: AERT) is a worldwide provider of professional services and consulting for businesses undergoing transformation, as well as their stakeholders, including private equity investors and their portfolio companies. They offer customized engagement models that integrate in-depth
Highlights
1000-9999
Employees
Mumbai, Maharashtra, In
Services Provided
50% Machine Learning Model Development
50% Blockchain & Web3 Development
AI Summary
“Aeries Technology offers professional services and consulting to optimize business operations through tailored technology, process management, and digital transformation solutions for diverse clients worldwide.”
Kyptronix LLP
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Kyptronix LLP is a website development and digital marketing agency located in Delaware, focusing on IT services and consultancy. Aiming to empower brands in the digital landscape, Kyptronix provides tailored web solutions, fintech and SaaS applications, as well as data-driven marketing strategies f
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Kolkata, West Bengal, In
Services Provided
50% Blockchain & Web3 Development
50% Blockchain Marketing
AI Summary
“Kyptronix LLP is a Delaware-based agency offering web development, fintech, SaaS, and digital marketing services, delivering tailored IT solutions for scalable growth across diverse industries.”
Panelsights Private Limited
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Discover profound insights about consumers and enhance your decision-making capabilities. Panelsights stands as a global leader in market research, equipping you with the essential data and insights for success. With our extensive reach and specialized expertise, we connect you to over 12 million qu
Highlights
10-49
Employees
Bengaluru, Karnataka, In
Services Provided
50% Brand Identity Design
50% Blockchain & Web3 Development
AI Summary
“Panelsights Private Limited is a global market research leader providing actionable insights from over 12 million respondents across 65+ countries, enabling data-driven business decisions worldwide.”
Composable Security
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We are a duo of seasoned security researchers specializing in audits for smart contracts. You can learn more about our methodology here: https://composable-security.com/blog/how-we-do-smart-contract-audit/. Prior to concentrating on smart contract security, we each accumulated over six years of expe
Highlights
2-9
Employees
Krakow, Lesser Poland, Pl
Services Provided
50% Blockchain & Web3 Development
50% Cybersecurity Assessments & Hardening
AI Summary
“Composable Security comprises experienced researchers specializing in smart contract audits, leveraging over six years in traditional security with fintech and banking sectors to ensure robust security solutions.”
Blockhackers
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We provide expert Fullstack Web3 consulting services for your DAO, exchange, or DeFi protocol, with a focus on Solidity, Solana, and various Frontend Frameworks.
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Collingwood, Victoria, Au
Services Provided
20% Custom Web Application Development
55% Blockchain & Web3 Development
25% Frontend Development
AI Summary
“Blockhackers offers expert full-stack Web3 consulting, specializing in Solidity, Solana, and frontend frameworks for DAOs, exchanges, and DeFi protocols, enabling robust blockchain solutions.”
Nuxify Inc.
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Nuxify is a company focused on software development and solutions, with a specialization in blockchain technology and autonomous AI systems. Our offerings include services such as: Additionally, we provide solutions like: For further information, please visit https://nuxify.tech.
Highlights
2-9
Employees
Davao City, Davao, Ph
Services Provided+1 Services
50% Blockchain & Web3 Development
25% Software Development Services
10% Generative AI
10% Low-Code MVP Development
AI Summary
“Nuxify Inc. excels in software development, offering custom web and mobile app solutions alongside robust blockchain and API integration services, positioning them as leaders in innovative technology implementations.”
Token Ersteller
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Token Ersteller is a tokenization agency located in Germany that assists companies in developing, launching, and promoting token-based initiatives. We offer a range of services including token creation, smart contract development, and support with funding and marketing for tokenization projects.
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided
50% Blockchain & Web3 Development
50% Blockchain Marketing
AI Summary
“Token Ersteller is a Germany-based tokenization agency providing comprehensive services such as token creation, smart contract development, funding assistance, and marketing for token initiatives.”
ProofEasy RightCliQ
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Protect and store your documents with cloud support. ProofEasy enables you to make your documents tamper-proof and verifiable through patented blockchain technology. It's an ideal solution for quickly securing and sharing various legal, real estate, financial, and confidential documents without hass
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Sg
Services Provided
50% Blockchain & Web3 Development
50% Managed IT Services
AI Summary
“ProofEasy RightCliQ secures and stores documents using patented blockchain technology, offering tamper-proof, verifiable cloud solutions ideal for legal, real estate, financial, and confidential files.”

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