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

Posibillian Tech
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Posibillian Tech, established in 2015 in Asunción, Paraguay, has expanded to a team of over 70 skilled developers and artists. We operate sustainably and have benefited from the Google Indie Games Accelerator. Our comprehensive game development services encompass everything from Unity and Unreal Eng
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Services Provided
20% Custom Web Application Development
15% API Development & Integration
25% Blockchain & Web3 Development
40% QA & Software Testing
AI Summary
“Founded in 2015, Posibillian Tech in Paraguay offers comprehensive, sustainable game development services including Unity, Unreal, art, backend support, and QA for diverse platforms and genres.”
Akasa Unitech
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Akasa Unitech is integrating marketing and technology to provide advanced solutions that enable businesses to engage with their audience using data-driven approaches. By blending creativity with innovation, we deliver smooth digital marketing services enhanced by the latest technology, fostering gro
Highlights
2-9
Employees
Chennai, Tamil Nadu, In
Services Provided
20% Blockchain & Web3 Development
30% Mobile App Development (iOS & Android)
22% Pay Per Click
28% Social Media Marketing
AI Summary
“Akasa Unitech leverages advanced technology and creative marketing to deliver data-driven digital solutions, enhancing brand engagement and measurable growth across diverse industries.”
Comfygen Technologies
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We create your next idea with revenue-generating web and mobile applications. Comfygen is a leading development company specializing in building strong web and mobile apps tailored to meet the needs of both businesses and end-users. Our team of over 150 skilled developers and marketers is adept at d
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Jaipur, Rajasthan, In
Services Provided+2 Services
13% Mobile App Development (iOS & Android)
8% API Development & Integration
7% E-Commerce Development
10% Custom Web Application Development
AI Summary
“Comfygen Technologies develops innovative web and mobile applications across diverse industries, leveraging technologies like Blockchain, AI, and IoT to deliver tailored, revenue-generating solutions for businesses and users.”
ERS TECH
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ERS TECH is an advanced technology firm focused on developing innovative Blockchain Systems, Fintech Solutions, and Software Development. Driven by a commitment to providing top-tier software solutions, we enable businesses to succeed in the digital age. Our team of experienced engineers and develop
Highlights
10-49
Employees
Lahore, Pk Punjab, Pk
Services Provided+1 Services
20% Machine Learning Model Development
20% Blockchain & Web3 Development
20% Software Development Services
20% Mobile App Development (iOS & Android)
AI Summary
“ERS TECH excels in Software Development, offering custom web and mobile application development along with innovative Blockchain & Web3 solutions. Their expertise and commitment to scalable software align well with this category's sub-services.”
Delta6Labs FinTech Pvt Ltd
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Delta6Labs is an advanced FinTech software development firm that promotes innovation in the financial sector through cutting-edge technology and tailored solutions. Emphasizing security, scalability, and efficiency, Delta6Labs focuses on pioneering financial and cryptocurrency services. We are leadi
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Services Provided+2 Services
20% Custom Web Application Development
8% Mobile App Development (iOS & Android)
22% Blockchain & Web3 Development
20% Machine Learning Model Development
AI Summary
“Delta6Labs develops innovative, secure fintech and cryptocurrency solutions, offering end-to-end services including blockchain, AI trading, and Web3 development to drive global digital finance transformation.”
Nzouat
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We support everyday entrepreneurs globally by equipping them with the resources and assistance necessary for their businesses to thrive online. Our expertise includes Web Development, Blockchain Development (such as Smart Contracts, NFT Marketplaces, and ERC tokens), Machine Learning and AI Integrat
Highlights
$1,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Oakland, California, Us
Services Provided+2 Services
20% Machine Learning Model Development
20% Blockchain & Web3 Development
20% Custom Web Application Development
15% Software Development Services
AI Summary
“Nzouat excels in Software Development through its custom web application delivery and blockchain & Web3 expertise, providing advanced smart contract and NFT marketplace solutions to clients.”
Elympics
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Comprehensive platform for creating, managing, hosting, and profiting from competitive multiplayer games.
Highlights
10-49
Employees
Warszawa, Masovian, Pl
Services Provided
24% Blockchain & Web3 Development
10% Custom Web Application Development
33% Graphic Design
33% Blockchain Marketing
AI Summary
“Elympics is a Poland-based company specializing in blockchain technology and custom software development, offering a comprehensive platform for competitive multiplayer games with integrated marketing and design services.”
Ukrainian Software Services
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We provide outsourcing and out-staffing services for mobile and web software development. Our company is located in Ukraine and was established by Canadian expatriates.
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Kyiv, Kyiv, Ua
Services Provided
50% Custom Web Application Development
15% Blockchain & Web3 Development
35% E-Commerce Development
AI Summary
“Ukrainian Software Services offers comprehensive outsourcing and out-staffing solutions for mobile and web development, leveraging expertise from a Ukraine-based team founded by Canadian expatriates.”
Calibraint
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Calibraint is a rapidly expanding provider of technology services, offering strategic and innovative software solutions to businesses worldwide. With years of deep expertise in various software applications, including Blockchain, Calibraint has successfully delivered diverse solutions and services t
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
50-249
Employees
Chennai, Tamil Nadu, In
Services Provided+4 Services
20% Blockchain & Web3 Development
15% Custom Web Application Development
10% Mobile App Development (iOS & Android)
5% E-Commerce Development
AI Summary
“Calibraint delivers innovative technology services, including Blockchain and software development, leveraging deep expertise to provide strategic, customized solutions and long-term support worldwide.”
Metaseed Labs
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We specialize in Application and Web3 Development. Whether you need web applications or mobile apps, we have you covered. We also focus on blockchain technology, including NFTs, Smart Contracts, and decentralized applications (dApps).
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Atlanta, Georgia, Us
Services Provided+4 Services
15% Mobile App Development (iOS & Android)
18% Blockchain & Web3 Development
8% API Development & Integration
10% Custom Web Application Development
AI Summary
“Metaseed Labs develops web and mobile applications with expertise in blockchain technologies, including NFTs, smart contracts, and decentralized applications, delivering comprehensive Web3 solutions.”

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