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
10 Companies-Rankings updated: September 04, 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.
IIH Global offers innovative web, software, and mobile app development services tailored to your needs. As a trusted UK-based agency, we deliver reliable, scalable, and client-focused solutions to transform ideas into powerful digital products that drive growth, efficiency, and success...
Top Services:
AI Development
Web Design
Software Development
Web Development
eCommerce Development
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Location
Rickmansworth, United Kingdom
Number of Employees
50 - 99
Average Hourly Rate
$20/hr
Minimal Budget
Under $1,000
Portfolios Count
17 Projects Listed
IIH Global Services
AI Development
Web Design
Software Development
Web Development
eCommerce Development
Mobile App Development
CRM Consulting
WordPress Website Design
Staff Augmentation
Blockchain
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
FLOORS TO WALLS
MORENA MORNA
CHARITY ACCELERATOR
MODELSINC
EMPR
MARIA ELLIOTT
SCAFFOLDINGHIRE
STYLE N SMILE
ARRON JAMES
BlackBurd
Data sourced from the agency's DesignRush profile
IIH Global Reviews & Testimonials
Marcus Payams
Owner at Nos Apps LLC
5.0★
Mobile App Development Review from Marcus Payams
Bhavin, Lincy, Aastha, and their team helped tremendously in developing the mobile app, integrating AI into the app, and assisting in gaining access to API plugins for Hotel + Flight listings. 100% recommend!
Michael Gonzales
Founder at Yumy Brands LLC
5.0★
Startup Review from Michael Gonzales
We would not have been able to develop our fan platform without the incredible talent of IIH Global. The development team is the best in the industry.
Omar Atamny
CEO at Lule Technologies
5.0★
Web Development Review from Omar Atamny
Very professional and independent, I can rely on them to do the work without much supervision, they put their own thinking and effort to the process which makes my work and life much easier, I highly recommend IIH Global.
Reviews verified by DesignRush and sourced from the agency's profile
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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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Dive into Apptonic.io! We specialize in crafting tailored solutions for Android, iOS, Wearables, Cross-Platform projects, and even Game Development. Whether you're dreaming up the next big app or need a sleek solution for your business, Apptonic.io is here to turn your ideas into reality...
Top Services:
Mobile App Development
Software Development
AI Development
Wearables
IoT
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Location
Carolina Beach, North Carolina
Number of Employees
100 - 249
Average Hourly Rate
$50/hr
Minimal Budget
Under $1,000
Apptonic.io Services
Mobile App Development
Software Development
AI Development
Wearables
IoT
Software Testing
Blockchain
VR/AR
Staff Augmentation
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Virtu Hub
Nomad's Nest
Fit Fusion
Mind Meld
Well Wave
Tail Tales
Event Sync
Learn Leap
Eco Trail
Data sourced from the agency's DesignRush profile
Apptonic.io Reviews & Testimonials
Eobard Shaun
Review from Google
5.0★
Eobard Shaun's Review Sourced from Google
I worked with Apptonic to develop my app, and it was a positive experience overall. The team was friendly and easy to talk to, and they helped shape my idea into something better. There were a few delays, and I had to follow up a couple of times, but they always responded quickly and fixed any issues. In the end, the app turned out great and worked as I wanted. They did a good job, and I’d recommend them with a little patience for timelines.
Reviews verified by DesignRush and sourced from the agency's profile
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Leading software development and AI solutions provider delivering custom web, mobile apps, and automation services to drive business growth and digital success...
Top Services:
AI Development
Software Development
Web Development
Mobile App Development
Web Design
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Location
Sheridan, Wyoming
Number of Employees
100 - 249
Average Hourly Rate
$25/hr
Minimal Budget
Under $1,000
GroveTech Solutions LLC Services
AI Development
Software Development
Web Development
Mobile App Development
Web Design
eCommerce Development
Blockchain
DevOps Consulting
Cloud Consulting
IT Compliance Solution
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Huma Health Care Product
OculusProxies
Matidor
Data sourced from the agency's DesignRush profile
GroveTech Solutions LLC Reviews & Testimonials
Dhruvi Modiya
Review from Google
5.0★
Dhruvi Modiya's Review Sourced from Google
Since joining GroveTech Solutions, I’ve had a great experience. The work culture is healthy, management is supportive, and the technology stack is modern and well-structured. It’s an environment that encourages learning and teamwork.
Raj Kakadiya
Review from Google
5.0★
Raj Kakadiya's Review Sourced from Google
An exceptional company backed by a professional and skilled team. The work culture is positive, leadership is strong, and they consistently deliver high-quality results. Dependable and great to collaborate with.
Priyanshi Varde
Review from Google
5.0★
Priyanshi Varde's Review Sourced from Google
Great experience with GroveTech Solution! The team is knowledgeable, efficient, and always ready to help. Highly recommended.
Reviews verified by DesignRush and sourced from the agency's profile
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Vaahu Deviaduct Your Partner in Innovation
At Vaahu Deviaduct, we craft seamless mobile and web solutions that drive success. With a 70% client return rate, we understand business needs and turn ideas into reality. Backed by 10+ years of expertise, our skilled team, led by a senior project manager...
Top Services:
eCommerce Development
Web Development
Mobile App Development
IT Services
Software Development
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Location
Chandigarh, India
Number of Employees
Under 49
Average Hourly Rate
$25/hr
Minimal Budget
Under $1,000
Portfolios Count
4 Projects Listed
Vaahu Deviaduct Services
eCommerce Development
Web Development
Mobile App Development
IT Services
Software Development
Web Design
Blockchain
DevOps Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Asset Quest
KodeKloud
Deliver You Ltd
Data sourced from the agency's DesignRush profile
Vaahu Deviaduct Reviews & Testimonials
DevoCops Solutions
Review from Google
5.0★
DevoCops Solutions's Review Sourced from Google
We had the pleasure of working with Vaahu Deviaduct on a recent project, and we can confidently say they are experts in mobile application development, particularly for both iOS and Android platforms. Their team delivered high-quality apps with seamless functionality and intuitive user experiences.
Beyond their mobile expertise, they demonstrated strong proficiency in Native, Flutter, NodeJS, and React Native, offering cutting-edge solutions for cross-platform development. Their skills also extend to website development, where they built responsive and visually appealing sites that met all of our business needs.
What truly sets Vaahu Deviaduct apart is their holistic approach, which includes UI/UX design. They created engaging and user-friendly designs that elevated the overall experience for both mobile and web users. Their attention to detail in design made a significant impact on the final product.
In addition, their project management was excellent. They maintained clear communication, delivered on time, and were highly adaptable to feedback, making the entire development process smooth and efficient.
If you’re looking for a company that excels in mobile development, UI/UX design, and overall project management, Vaahu Deviaduct is an outstanding choice!
devendra khatri
Review from Google
5.0★
devendra khatri's Review Sourced from Google
If you're seeking a dependable mobile and web development firm, Vaahu Deviaduct is a fantastic choice. They crafted a mobile app in Swift and a website with PHP for us, achieving precisely what we had in mind. Their assistance was outstanding throughout the entire project. I highly recommend their services!
Gaurav Khatri
Review from Google
5.0★
Gaurav Khatri's Review Sourced from Google
I had a fantastic experience working with Vaahu Deviaduct! Their team was incredibly professional and dedicated. They handled both our mobile and web development needs with great expertise.
From start to finish, the communication was clear, and they really understood what we wanted. The final product exceeded our expectations. I highly recommend Vaahu Deviaduct if you’re looking for top-notch development services. They truly deliver!
Reviews verified by DesignRush and sourced from the agency's profile
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Hastree Technologies helps startups and businesses build practical digital products with AI integration, mobile app development, and custom web development. We develop apps for iOS, Android, macOS, watchOS, tvOS, and the web, from MVPs to full-scale production systems. Our team focuses on clean engineering...
Top Services:
Software Development
Mobile App Development
AI Development
Web Development
HR Outsourcing
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Location
Noida, India
Number of Employees
Under 49
Average Hourly Rate
$20/hr
Minimal Budget
Under $1,000
Hastree Technologies Pvt Ltd Services
Software Development
Mobile App Development
AI Development
Web Development
HR Outsourcing
SEO
UI/UX Design
VR/AR
IoT
Blockchain
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Great experience working with the team at Hastree. They have strong technical expertise and delivered a smooth, reliable product. I was especially impressed with how they incorporated AI-driven features that made the app smarter and more efficient. Communication was clear, timelines were managed well, and the overall quality exceeded expectations. Highly recommended!
Mumta Chambers
Review from Google
5.0★
Mumta Chambers's Review Sourced from Google
Had a really good experience working with this team on our medical app. They paid close attention to security and made sure everything aligned with HIPAA compliance, which was critical for us. The team was easy to communicate with, quick to respond, and handled feedback well throughout the process. Their experience in healthcare projects really shows in the way they approach things. Solid execution and a smooth overall collaboration.
BHUMI SHARMA
Review from Google
5.0★
BHUMI SHARMA's Review Sourced from Google
Hastree Technologies is a great company to work with. The team is supportive and the work environment is very supportive. It provides good opportunities to learn and grow professionally.
Reviews verified by DesignRush and sourced from the agency's profile
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NavikX is a consulting-led software and digital systems company building custom solutions for startups, SaaS platforms, and growing businesses globally. We specialize in custom software development, AI integration, automation systems, mobile apps, IoT platforms, CRM/ERP tools, Websites...
Top Services:
Software Development
Mobile App Development
AI Development
IoT
Wearables
Show more
Location
Noida, India
Number of Employees
Under 49
Average Hourly Rate
$25/hr
Minimal Budget
Under $1,000
NavikX Technologies Private Limited Services
Software Development
Mobile App Development
AI Development
IoT
Wearables
Blockchain
Web Development
WordPress Website Design
eCommerce Development
Product Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Go Shift Packers And Movers's Review Sourced from Google
Very Fantastic experience working with this developer! They took the time to truly understand the project requirements and didn't just build what was asked—they actively suggested great new ideas that made the final application even better. Highly recommended!
Pill Dispenser
Review from Google
5.0★
Pill Dispenser's Review Sourced from Google
Karan has demonstrated strong capabilities in planning and developing the complete solution for our requirements. He successfully worked across multiple applications and handled the cloud setup for the system. We appreciate his dedication and are satisfied with the quality of his work.
Mohabir Photography
Review from Google
5.0★
Mohabir Photography's Review Sourced from Google
Karan K. is an exceptional founder who goes beyond expectations. His commitment to customer success is not just about profit; truly, he stands out. He is reliable, professional, and highly trustworthy. I highly recommend his work.
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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