Standing at the helm of blockchain technology, top smart contract development companies specialize in building secure, efficient, and highly accurate smart contracts - digital contracts stored on a blockchain that outline the terms and conditions of an agreement between two parties. They employ teams of blockchain developers, engineers, and cybersecurity experts who can design and deploy smart contracts on various blockchain platforms, like Ethereum, IBM, Hyperledger, and more. Businesses can leverage their cutting-edge solutions to bolster the security and transparency of transactions, and streamline and automate complex business processes, from supply chain management to finance, healthcare, or retail. Compare prospective partners by client reviews, pricing, size, and more to find the most suitable one for your project.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
Bringing awesome ideas to life
Our mission at Closeloop Technologies is to empower enterprises with transformative Software Development, from advanced conversational AI and custom CRM/ERP to robust mobile apps and e-commerce platforms. With our extensive industry knowledge, achieving success in digital innovation is second nature...
Top Services:
- Software Development
- Web Design
- Mobile App Development
- AI Development
- Wearables
- Show more
- Location
- Mountain View, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 31 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCloseloop Technologies Services
Data sourced from the agency's DesignRush profilePacefunding Cordance Premier Talent Partners Omnidian Datacube.ai HomeRun Financing BioStem Technologies UTR Sports AJNA Block & Tam
Closeloop Technologies Reviews & Testimonials

Software Development Review from Rick Tomsic
Global business segment growth is requiring technology to keep up with the increase. Our platform is designed to be scalable and able to be implemented across several nations. We collaborated with Closeloop Technologies to work with our staff in order to scale up the programme.An whole agile team is provided by Closeloop Technologies to participate in our programme. At first, we gave them the data in hopes that they would aid in our execution. They have combined Spring Boot, JavaScript, and AWS cloud technologies.The platform is a value stream and full-suite insurance lifecycle. It is an internal iterative software programme.Working with Closeloop Technologies is simple. They pick up new roles rapidly and possess agile team abilities that are industry standard. The staff not only fits right in, but they also contribute their knowledge and perspectives, making them a vital component of the programme.

Software Development Review from Henrique Dubugras
Services that had been slow or unavailable for weeks had to be brought back up. We must bring back our vital business role. After learning about our issue, the Closeloop project manager assigned a senior database specialist to address it. Our main programmer had a direct conversation with the database specialist of Closeloop after they listened to our problem and asked some follow-up questions. Within less than two hours, the solution to our issue had been verified and implemented.

Software Development Review from Bill Rogers
We occasionally utilize outsourced resources to increase our team's ability to satisfy the commercial demands of our clients. This time, my goal was to create and enhance the products we were providing to clients. Their engineers joined our own team to work on the project, creating MetaTrader-based software for our traders. They assisted us in creating and refining a suite of services that give our clients more functionality; up until that point, the solution had been erratic and unconventional. Their most recent endeavor was the development of an income trading module. We employed a scrum methodology with sprint deliverables and agile planning. Along with narrative points, we also used our in-house bug tracking application for project and task management. Everything was really accurate.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsYour Custom Product Lab
We are a leading app design and development company headquartered in Texas, with a dedicated development center in India. With over 75 talented employees, we have successfully delivered 100+ projects across various industries...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- Blockchain
- IoT
- Show more
- Location
- Houston, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 13 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSimublade Services
Data sourced from the agency's DesignRush profileTavus Savve Opar Beer Run Just Live DoughFi Caristas Used Engines Oral Assist Crowdtrace
Simublade Reviews & Testimonials

Mobile App Development Review from Undisclosed
Simublade developed a mobile application for a liquor delivery company. Their work also included design and user interface. The application is now complete and awaiting launch in the App Store. The client is happy with Simublade’s work, particularly their superior customer service and the personal touch they put on their work. The team stuck to deadlines and communicated clearly during the project.

Software Development Review from Quinn Favret
Simublade provided frontend development with React. Their team integrated the system to API endpoints. Simublade has built a functional frontend. The code has become an integral part of the business. Their team was communicative and flexible. The work was very clean and well-organized.

Web Development Review from Roy de la Rosa
From scratch, Simublade designed and developed a social justice application for iOS and Android. The team implemented a feature to temporarily maintain deleted items in the Cloud. They also developed a website. Simublade delivered a product that not only exceeded the client’s expectations but also received positive user feedback for its modern aesthetic and innovative features. The team provides guidance to support lasting collaboration. Their timeliness and commitment result in a valuable partnership.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsFull-cycle Flutter app development agency
Krootl is a Flutter development agency building scalable mobile and web apps. We help startups and enterprises launch MVPs, modernize legacy systems, and grow products with cross-platform solutions and a strong product focus...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- Design Services
- Digital Strategy
- Show more
- Location
- Kyiv, Ukraine
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 16 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsKrootl Services
Data sourced from the agency's DesignRush profileCookerUA Phable Worderfood
Top Mobile App Development Company Powered by AI & Blockchain
Ultrashield Technology is a top mobile app development company in INDIA, specializing in iOS, Android & cross-platform apps. With expertise in AI/ML, LLMs, and Blockchain, we deliver secure, scalable, and future-ready digital solutions trusted by startups and enterprises...
Top Services:
- Mobile App Development
- AI Development
- Software Development
- Blockchain
- Web Development
- Show more
- Location
- Noida, India
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 9 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsUltrashield Technology Services
Data sourced from the agency's DesignRush profileNinjaHoldings PLINX CybSafe BYHOURS Astrotalk ERP BUDDIES Victory Cruise Lines Cranes24 Sunfood Superfoods Platzi
Ultrashield Technology Reviews & Testimonials

Software Development Review from George Kalogeropoulos
The collaboration between Ultrashield Technology proved to be an excellent experience for our HealthSherpa team. Our enrollment platform underwent improvements in flow, functionality and user-agent navigation through their helpful assistance. Their team restructured our requirements into clean effective solutions which matched our operational systems perfectly. Clear communication along with quick response times characterized our entire work engagement with Ultrashield Technology. The system updates have brought positive changes that we can clearly see since deployment. They acted as both a trustworthy and proficient collaborator throughout our entire project work period.
Shiv Verma's Review Sourced from Google
We partnered with Ultrashield Technology to develop a mobile app for our EdTech platform, and the experience was outstanding. From the initial concept to final deployment, their team demonstrated professionalism, innovation, and deep technical know-how.The app is intuitive, fast, and packed with features that truly enhance the learning experience for our users. They delivered everything on time and were always available for support or changes.If you're looking for an Excellent Mobile App Development Company in Noida, Ultrashield Technology is the one to trust. We couldn’t be happier with the results!
Mukesh S's Review Sourced from Google
I’m incredibly impressed with Ultrashield Technology for developing the perfect mobile app for my food delivery business. From understanding my requirements to executing a seamless, user-friendly, and scalable app — their team was professional, responsive, and highly skilled.Their attention to detail, design sensibility, and technical expertise truly exceeded my expectations. The app has already improved our customer engagement and order efficiency, and we’ve been getting amazing feedback from users.Without a doubt, Ultrashield Technology is the Best Mobile App Development company in India. Highly recommended for anyone looking to build a top-tier app for their business!
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsBoutique Engineering Studio
EltexSoft is a boutique engineering studio of 35 to 50 senior developers, building web, mobile, and AI products for startups and established companies since 2015. We embed as a long-term extension of your team, the engineers who scope the work are the ones who ship it...
Top Services:
- eCommerce Development
- AI Development
- Web Development
- Software Development
- Mobile App Development
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 3 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsEltexSoft Services
Data sourced from the agency's DesignRush profileRiseMD Fortune 500 INC 5000 AI eCommerce
EltexSoft Reviews & Testimonials
Yana Vlasova's Review Sourced from Google
Choose EltexSoft for perfection! LA's best-kept secret in software development. Our experience was top-notch—5 stars all the way!
Dasha Ozerchuk's Review Sourced from Google
EltexSoft is a software dream team! Their LA-based wizards turned our ideas into digital magic. 5 stars for excellence!
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsDroids On Roids is a mobile & web development company fromPoland, est. in 2011ABOUT US✔ 100% office-based team of 45+ talented professionals✔  We’re helping our clients to achieve their challenging business goals ✔ Among our partners are great start-ups (GIPHY, Electric Objects)...
Top Services:
- Software Development
- Mobile App Development
- Wearables
- IoT
- Product Design
- Show more
- Location
- Wroclaw, Poland
- Number of Employees
- Under 49
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $25,000 - $50,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDroids On Roids Services
Data sourced from the agency's DesignRush profileGIPHY Cam Skybuds Loop
Droids On Roids Reviews & Testimonials
Gabrielle BS's Review Sourced from Google
I recommend DoR as a software Tech Company! We've been working with them for 2 years and have had a great experience :)
Antoni Jakubowski's Review Sourced from Google
I highly recommend DOR as a software house specialising in mobile app development. They are known for their expertise in delivering high-quality software solutions with a focus on meeting clients' measurable business objectives
Natalia Urbańska's Review Sourced from Google
If you're looking for a professional company developing mobile apps in Flutter, Android & iOS for international clients - this is it. Plus awesome team and cool office in the heart of Wroclove.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Explore Software Development Specializations
- .Net
- Agile Consulting
- AgTech
- ASP.NET
- Automotive
- Banking
- Biotech
- C#
- Cloud Application Development
- CRM Development
- Cryptocurrency
- Data Mining
- DeFi
- Eastern Europe
- Educational
- Enterprise
- Fintech
- Flutter Development
- Foodtech
- for Small Business
- Gaming
- Golang
- Google App Engine
- Government
- Healthcare
- Hospitality
- HR Tech Solution
- Java
- JavaScript Development
- Laravel
- Legal
- Machine Learning
- Manufacturing
- MVP Development
- Nearshore
- Node.js
- Offshore
- Outsourcing
- Performance Testing
- PHP
- Python Django
- Real Estate
- Robotics Process Automation
- SaaS Development
- Salesforce Consulting
- Software Consulting
- Software Maintenance
- Startups
- Unity
Popular Services
Why companies trust DesignRush
Every agency is independently vetted before it can be listed or ranked
Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.
Latest Trends Related to Smart Contract Development








