Find blockchain development companies that build secure, scalable solutions for real business use. Choose from vetted experts in smart contracts, dApps, and enterprise blockchain integration.Â
Best Blockchain Development Agencies
6 Companies-Rankings updated: September 03, 2026
DesignRush assesses blockchain development firms for their technical expertise and verified client experiences to help you make better decisions. Some placements might be paid.
iApp Technologies: Trusted digital product development partner helping brands turn ideas into powerful & scalable solutions. We specialize in designing and building high-performance Web and Mobile Apps (iOS + Android) that align with evolving market demands and deliver measurable business impact...
Top Services:
Mobile App Development
Blockchain
AI Development
Web Development
UI/UX Design
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Location
Mohali, India
Number of Employees
100 - 249
Average Hourly Rate
$20/hr
Minimal Budget
Under $1,000
Portfolios Count
60 Projects Listed
iapp Technologies LLP Services
Mobile App Development
Blockchain
AI Development
Web Development
UI/UX Design
Web Design
eCommerce Development
IT Services
WordPress Website Design
Wearables
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
VPN Proxy Master
Poster App Lab
Pool Ride
ChiroRing App
Data sourced from the agency's DesignRush profile
iapp Technologies LLP Reviews & Testimonials
Shubhpreet Sidhu
CEO at SASA Innovations
5.0★
Mobile App Development Review from Shubhpreet Sidhu
iapp Technologies provided an exceptional experience in developing the SASA Rides mobile app for both Android and iOS platforms. Their team demonstrated outstanding professionalism, clear communication, and a strong commitment to delivering high-quality results. Every stage of the app development was handled efficiently, with timely updates and meticulous attention to detail. They were responsive to feedback, proactive in offering innovative solutions, and genuinely dedicated to client satisfaction. The expertise and dedication they brought to the project made the entire process smooth and stress-free. I highly recommend iapp Technologies for reliable, skilled, and client-focused mobile app development.
Seth Horsley
Founder at StateCert
5.0★
Web Design Review from Seth Horsley
I worked with them extensively and they have been very helpful and extremely responsive and have provided very high quality work. Definitely recommend!
Gursewak Singh Brar
Director at Third Pole Immigration Services
5.0★
Web Development Review from Gursewak Singh Brar
iapp Technologies provided excellent service with timely delivery, clear communication, and high-quality results. Their team is professional, responsive, and truly dedicated to client satisfaction. Highly recommended!
Reviews verified by DesignRush and sourced from the agency's profile
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Appticz is a leading Mobile app development company that provides end-to-end custom app development services that add value to your business. with 150+ expert developers have helped startups to large companies transform their ideas into great Web and mobile app products...
Top Services:
Mobile App Development
Web Development
Software Development
Web Design
eCommerce Development
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Location
Madurai, India
Number of Employees
100 - 249
Average Hourly Rate
$20/hr
Minimal Budget
Under $1,000
Portfolios Count
19 Projects Listed
Appticz Services
Mobile App Development
Web Development
Software Development
Web Design
eCommerce Development
UI/UX Design
Blockchain
Staff Augmentation
Product Design
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Tree Bank
MMO Swap
KCC Memepad
FastMoon
NounQ Technologies
Restaurant in UK
Data sourced from the agency's DesignRush profile
Appticz Reviews & Testimonials
Anila Joshi
Review from Google
5.0★
Anila Joshi's Review Sourced from Google
The work culture at the Appticz is supportive and flexible. Team members here share ideas and leadership provides clear guidance. The environment promotes work life balance and professional growth opportunities.
Abikumar
Review from Google
5.0★
Abikumar's Review Sourced from Google
Appticz has a fantastic team culture, and everyone is committed to producing the best work possible. It's inspiring to be a part of such a motivated and talented group of people.
Sundareswarapandian S
Review from Google
5.0★
Sundareswarapandian S's Review Sourced from Google
I have been working in Appticz for more than two years. The environment, work, company culture everything is great here.
Reviews verified by DesignRush and sourced from the agency's profile
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Artificial Intelligence Solutions and Software Factory.
SOLUTECIA is an innovative company in the application of new technologies for the benefit of companies. We are experts in artificial intelligence, blockchain, telemedicine, teleworking platforms, and software factories...
Top Services:
Web Development
Web Design
WordPress Website Design
eCommerce Development
AI Development
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Location
MedellÃn, Colombia
Number of Employees
Under 49
Average Hourly Rate
$30/hr
Minimal Budget
Under $1,000
Solutecia S.A.S. Services
Web Development
Web Design
WordPress Website Design
eCommerce Development
AI Development
Blockchain
Mobile App Development
Software Development
Software Testing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
ELEK+RIK
Asociacion Comunitaria de Rionegro Ascom
Comite Colombiano de la CIE
Comestibles Dan S.A.
CIDET
Uniremington Corporacion Universitaria
Catolica del Norte Fundacion Universitaria
Medellin Municipal Hall
Data sourced from the agency's DesignRush profile
Solutecia S.A.S. Reviews & Testimonials
Germán Decuadro
Review from Google
5.0★
Germán Decuadro's Review Sourced from Google
I am a human user, but in my brief research I fell in love with Solutecia... could you give me a sample and quote me the best possible?
Very grateful in advance, Greetings Atte. DR. G.C.W shamballa2222@gmail.com +59899665061 Montevideo, Uruguay.-
Catalina VALDERRAMA LONDOÑO
Review from Google
5.0★
Catalina VALDERRAMA LONDOÑO's Review Sourced from Google
Thank you Solutecia for your advice and support, they have been a fundamental part of my business!!!
Doris LondRued
Review from Google
5.0★
Doris LondRued's Review Sourced from Google
Solutecia made it possible for my hotel to enter the technological age in a simple and dynamic way.
MY COMPANY HAS SIGNIFICANTLY INCREASED ITS SALES AND ONLINE PRESENCE. I LOVE SOLUTESIA. THEY ALWAYS SOLVE MY PROBLEMS AND FIND THE RIGHT SOLUTIONS TO MY CONCERNS AS SOON AS POSSIBLE. THANK YOU, SOLUTESIA.
Reviews verified by DesignRush and sourced from the agency's profile
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Our mission is simple to help businesses grow online with powerful websites, creative designs, and result-driven digital solutions...
Top Services:
WordPress Website Design
Web Development
eCommerce Development
Web Design
UI/UX Design
Show more
Location
Surat, India
Number of Employees
Under 49
Average Hourly Rate
$20/hr
Minimal Budget
Under $1,000
Portfolios Count
1 Project Listed
Seathink Services
WordPress Website Design
Web Development
eCommerce Development
Web Design
UI/UX Design
Blockchain
Mobile App Development
Social Media Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Pcexim
Budget Maids
silvilus
Data sourced from the agency's DesignRush profile
Seathink Reviews & Testimonials
Shivam Nandaniya
Review from Google
5.0★
Shivam Nandaniya's Review Sourced from Google
Seathink IT has developed a really useful and user-friendly application. The app runs smoothly, has a clean design, and makes tasks much easier. Great work by the team!
Manav Modi
Review from Google
5.0★
Manav Modi's Review Sourced from Google
Working with SeaThink was a fantastic experience. Their communication was clear, and they kept me updated at every stage of the project. The website was delivered on time without compromising on quality. Truly a team you can trust!
divyraj_ahir___
Review from Google
5.0★
divyraj_ahir___'s Review Sourced from Google
I had a wonderful experience with SeaThink. The quality of their work, attention to detail, and commitment to deadlines are commendable. The pricing was fair for the high-quality service they delivered.
Reviews verified by DesignRush and sourced from the agency's profile
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Waquas Warsi Marketing helps businesses grow online with smart SEO, modern websites, and result-focused marketing strategies designed to bring real customers and long-term success...
Top Services:
Digital Services
Web Design
Web Development
WordPress Website Design
Digital Marketing
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Location
Sultanpur, India
Number of Employees
Under 49
Average Hourly Rate
$20/hr
Minimal Budget
Under $1,000
Waquas Warsi Marketing Agency Services
Digital Services
Web Design
Web Development
WordPress Website Design
Digital Marketing
Advertising
Market Research
SEO
eCommerce Development
Blockchain
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Smart contract development and auditing: Writing self-executing code and reviewing it to prevent bugs, exploits, or costly failures Â
dApp development: Building decentralized apps that run on blockchain networks instead of centralized servers Â
Token development and NFT platforms: Creating digital tokens, cryptocurrencies, and marketplaces for trading assets Â
Blockchain integration: Connecting blockchain with existing systems like web apps, enterprise software, or cloud platforms Â
Private and enterprise blockchain solutions: Setting up custom networks for businesses that need control, privacy, and scalability Â
Blockchain consulting: Advising on use cases, architecture, and whether blockchain is the right fit Â
Wallet development: Building secure wallets for storing and managing digital assets Â
Maintenance and support: Monitoring performance, fixing issues, and updating systems after launchÂ
What platforms do blockchain developers use?
Blockchain development firms use a mix of public networks, enterprise platforms, and developer tools to build, deploy, and manage blockchain solutions. They choose platforms based on speed, cost, scalability, and whether the project needs a public or private network.Â
Key platforms and networks:Â
Ethereum: The most widely used platform for smart contracts and decentralized applications Â
Solana: Built for high speed and low fees, often used for scalable dApps and marketplaces Â
Avalanche: A flexible platform that supports custom blockchain networks and fast transaction finality Â
Hyperledger Fabric: Designed for private, permissioned systems used by enterprises Â
Corda (R3): Common in finance and regulated industries where data privacy is critical Â
IBM Blockchain: Enterprise-grade solution built on Hyperledger for secure business use cases Â
Development tools and infrastructure that blockchain development agencies use:Â
Node providers (e.g., Alchemy, Infura, QuickNode): Give developers access to blockchain networks without running their own nodes Â
Smart contract tools (e.g., Remix IDE): Used to write, test, and deploy contract code Â
Frameworks and CLIs (e.g., Ignite CLI): Help set up and manage blockchain projects fasterÂ
How much do blockchain companies charge for their services?
Simple solutions: 1 to 2 months Basic wallets or simple smart contract apps Â
Mid-level projects: 2 to 4 months dApps with integrations and user functionality Â
Complex systems: 4 to 9+ months DeFi platforms, marketplaces, or enterprise solutions Â
Blockchain development agencies build products in stages, and each is adding time:Â
Planning and requirements: 1 to 2 weeks Â
Architecture and design: 2 to 4 weeks Â
Development: 1 to 6 months Â
Testing and QA: 2 to 4 weeks Â
Deployment: 1 to 2 weeksÂ
Factors that affect the timeline include scope and feature set, choice of blockchain platform, team experience, and whether you build from scratch or use existing tools.
What is the difference between public and private blockchains?
Public blockchains are open to anyone, while private blockchains are restricted to approved users and controlled by an organization.Â
You can see the main differences in the following table:Â
Feature
Public blockchain
Private blockchain
Access
Anyone can join
Permission required
Control
Decentralized
Controlled by one entity or group
Transparency
Fully transparent
Limited visibility
Speed
Slower
Faster
Cost
Higher (transaction fees)
Lower
Security
High through decentralization
High, but depends on governance
Use cases
Crypto, DeFi, NFTs
Enterprise systems, internal operations
How do blockchain development agencies ensure security?
Blockchain development firms ensure security by combining secure coding, testing, and continuous monitoring to prevent vulnerabilities and protect data and transactions.Â
Key security practices include:Â
Smart contract audits: Reviewing code to detect bugs, exploits, and logic flaws before deployment Â
Secure development practices: Using proven frameworks, code standards, and peer reviews Â
Encryption and key management: Protecting data with cryptography and secure storage of private keys Â
Testing and simulation: Running stress tests and attack scenarios to identify weaknesses Â
Access control: Limiting permissions and enforcing authentication for users and systems Â
Ongoing monitoring: Tracking activity, detecting threats, and applying updates or patches quickly Â
Security is built into every stage, not added after deployment.Â