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

SpellSystems
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Established technology and methods enhanced by advanced AI for improved quality, quicker releases, and cost effectiveness. SpellSystems is a research and development firm focused on custom software development and software integration, possessing extensive knowledge across various domains.
Highlights
$50,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Dubai, Dubayy, Ae
Services Provided+6 Services
18% Custom Web Application Development
8% Mobile App Development (iOS & Android)
5% E-Commerce Development
13% API Development & Integration
AI Summary
“SpellSystems is a research-driven firm specializing in custom software development and integration, leveraging advanced AI to enhance quality, speed, and cost-efficiency across diverse domains.”
Olive Software
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At Olive Software, we offer AI-driven solutions for both web and mobile applications. Our strength lies in skillfully incorporating artificial intelligence into scalable, high-performance applications that enhance user experiences and improve business efficiency. What We Offer: 🚀 **AI-Powered We
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided+3 Services
20% Mobile App Development (iOS & Android)
23% Custom Web Application Development
7% Blockchain & Web3 Development
20% Machine Learning Model Development
AI Summary
“Olive Software develops AI-driven web and mobile applications, integrating machine learning, computer vision, and NLP to enhance user experience and optimize business operations for diverse clients.”
The Projekt Company
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The Projekt Company is a rapidly growing and dynamic IT consultancy founded in 2016. As a Solution Provider, we excel at fostering trusting partnerships with our clients by gaining a deep understanding of their businesses and the strategic and operational challenges they face. We offer innovative id
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Bucuresti, Bucuresti, Ro
Services Provided+7 Services
16% Software Development Services
15% Managed IT Services
15% Custom Web Application Development
12% Cloud Consulting & SI
AI Summary
“The Projekt Company excels in Software Development with expertise in Custom Web Application Development, Mobile App Development, Cloud Consulting & SI, E-Commerce Development, ERP & CRM development, and Blockchain technologies, delivering tailored, innovative IT solutions.”
Softlab
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Softlab creates web and mobile applications for startups, large enterprises, and various companies. We offer services in UI/UX design, graphic design, full-stack web development, and mobile development, tailored for scalable teams.
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided
50% Custom Web Application Development
45% Mobile App Development (iOS & Android)
5% Blockchain & Web3 Development
AI Summary
“Softlab specializes in designing and developing scalable web and mobile applications, providing UI/UX and graphic design services for startups and large enterprises.”
Webimator
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At Webimator, we create impactful digital solutions centered around users, transforming ambitious concepts into intuitive applications and platforms. Our innovative and transparent team consistently provides mobile, web, and cutting-edge technology experiences that address genuine challenges and go
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+1 Services
10% Blockchain & Web3 Development
10% DevOps Engineering
15% E-Commerce Development
35% Mobile App Development (iOS & Android)
AI Summary
“Webimator is a dynamic digital solutions provider focused on blockchain, DevOps services, e-commerce, mobile and web development, turning innovative ideas into intuitive applications and platforms that solve real-world challenges.”
Rapid App Studio
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Rapid App Studio is committed to delivering a top-notch digital solution that will support your business and foster long-term growth. Unlike other agencies that may face challenges with communication or speed, we prioritize these aspects as our key strengths. Our aim is to transition you from your c
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided
50% Mobile App Development (iOS & Android)
45% Custom Web Application Development
5% Blockchain & Web3 Development
AI Summary
“Rapid App Studio delivers scalable web, mobile (iOS and Android), and blockchain solutions through rapid development, prioritizing effective communication and long-term business growth support.”
RevInfotech Inc
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Revinfotech Inc is a prominent global development company that helps disruptive startups and Fortune 500 businesses turn ideas into reality through innovative mobile solutions. Our skilled team of over 120 professionals has successfully designed, developed, and delivered more than 800 apps worldwide
Highlights
$50,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Gurugram, Haryana, In
Services Provided+16 Services
2% ERP & CRM Development
2% QA & Software Testing
2% API Development & Integration
1% Blockchain & Web3 Development
AI Summary
“RevInfotech Inc. is a global IT firm delivering innovative mobile, enterprise, and cloud solutions, specializing in app development, AI, big data, and product engineering with strong growth and trusted partnerships.”
Collabor8
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Efficient. Flexible. Dependable. Collabor8 is a specialized IT services firm dedicated to ensuring customer success and satisfaction. We leverage a powerful mix of seasoned R&D management and top-notch European technical experts to deliver results. By combining offshore development costs with a loca
Highlights
$25,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided
8% Blockchain & Web3 Development
20% Mobile App Development (iOS & Android)
22% Custom Web Application Development
50% Cloud Consulting & SI
AI Summary
“Collabor8 is a reliable IT services firm combining experienced European experts and offshore development to deliver flexible, tailored R&D solutions ensuring customer success across diverse industries.”
Slash
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ABOUT SLASH Slash operates as a BUILD studio, creating remote, independent teams to assist innovators in developing software, products, and high-tech startups. We also establish and invest in our own startups, commercializing them through partnerships in ASEAN and Europe. Our headquarters are loca
Highlights
$25,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Singapore, Sg
Services Provided+21 Services
3% ERP & CRM Development
5% Frontend Development
4% Mobile App Development (iOS & Android)
6% Backend Development
AI Summary
“Slash builds remote, dedicated software teams and invests in startups, fostering innovation through agile collaboration, community engagement, and regional partnerships across Asia and Europe.”
Immute LTD
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Skills: Quick prototyping, minimum viable products (MVP), resilient distributed architectures, strong monolithic applications, user-friendly APIs, intricate user interfaces, contemporary database design, and cross-platform integration. Areas of expertise: finance and payments, maritime, media, onlin
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Services Provided+1 Services
13% Mobile App Development (iOS & Android)
5% E-Commerce Development
25% Custom Web Application Development
7% Blockchain & Web3 Development
AI Summary
“Immute LTD. specializes in rapid prototyping and resilient software architectures across finance, maritime, media, gaming, and blockchain, utilizing diverse technologies and cross-platform integration.”

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