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.
Best Smart Contract Companies
460 Companies - Rankings updated: July 04, 2026
DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.
ITRex delivers end-to-end AI and data solutions from strategic planning to real-world deployment. The companys expertise spans LLM integration, RAG, copilots, SLMs, and autonomous AI agents, all engineered for reliability and scale. [... see all ITRex Group reviews ]
Location
Aliso Viejo, California
Number of Employees
250 - 499
Average Hourly Rate
$50/hr
Minimal Budget
$50,000 & Up
Portfolios Count
5 Projects Listed
ITRex Group Services
Software Development
Mobile App Development
Software Testing
AI Development
IoT
Blockchain
IT Compliance Solution
IT Services
Big Data Analytics
Cloud Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Dollar Shave Club
Jib Jab
21st Century Fox
Procter & Gamble
Meet Me
Dun & Bradstreet
Data sourced from the agency's DesignRush profile
ITRex Group Reviews & Testimonials
Tammy Walker Owner at Retail Company
5.0★
IT Services Review from Tammy Walker
Extremely creative and awesome company name. It sounds trustworthy.
Ambisafe, established in 2015, is a leading Smart contract development and blockchain software company offering fintech solutions for fundraising and capital management. [... view Ambisafe profile ]
Location
San Francisco, California
Number of Employees
Under 49
Ambisafe Services
Software Development
Blockchain
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Transforming Business Through Scalable Software and Ethical AI
SumatoSoft helps global enterprises and ambitious startups bridge the gap between traditional digitalization and the AI frontier. As a premier AI software development company, we build more than just code; we engineer governed AI ecosystems and scalable platforms that turn raw data into a competitiv [... see all SumatoSoft reviews ]
Location
Boston, Massachusetts
Number of Employees
100 - 249
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
10 Projects Listed
SumatoSoft Services
Software Development
Mobile App Development
IoT
UI/UX Design
Big Data Analytics
IT Services
AI Development
Wearables
IT Compliance Solution
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Glamz - Platform for Beauty Professionals
Tartle – Big Data Trading Platform
Smart integration
Fuelz - Aggregator Web Platform
Umergence
MyMediAds
Toyota
Widgety
Sous Kitchen
Boxforward
Data sourced from the agency's DesignRush profile
SumatoSoft Reviews & Testimonials
Sergey Novik Co-Founder at El Pixel
5.0★
Staff Augmentation Review from Sergey Novik
Were developing an internal image processing tool for our design team and needed two machine learning engineers, since our core developers were busy with other client projects. We required extra hands familiar with Python and computer vision, so after a developers market review, we hired them from SumatoSoft.The SumatoSoft developers joined our team and were able to swiftly adapt to our workflows, which resulted in them delivering the working models well before our hard deadline.Communication was straightforward throughout the engagement. We had video calls and exchanged brief text updates on a weekly basis. The delivered code is clean, and pull requests are well-documented.I appreciate that they pushed back on a few of our initial architecture ideas. They challenged our original approach and proposed a better method for handling the model weights. We plan to bring them back for the next phase of development.
SumatoSoft is the firm to work with if you want to keep up to high standards. The professional workflows they stick to result in exceptional quality. Important, they help you think with the business logic of your application and they don’t blindly follow what you are saying. Which is super important. Overall, great skills, good communication, and happy with the results so far.
eCommerce Development Review from Alexander McCaig
The system has produced a significant competitive advantage in the industry thanks to SumatoSoft’s well-thought opinions. They shouldered the burden of constantly updating a project management tool with a high level of detail and were committed to producing the best possible solution.
IntelliBlockTech, a prominent blockchain and smart contract development and consulting company in the USA, offers a wide array of services in the blockchain technology domain. [... view IntelliBlock Technologies profile ]
Location
Albany, New York
Number of Employees
Under 49
IntelliBlock Technologies Services
Software Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Product engineering for fintech, digital assets, AI, and automation
Aetsoft is a US-based product engineering company helping businesses design, build, and scale complex digital platforms across fintech, digital assets, commerce, AI, and automation. [... view Aetsoft profile ]
Location
Sheridan, Wyoming
Number of Employees
50 - 99
Portfolios Count
5 Projects Listed
Aetsoft Services
Software Development
AI Development
AI Development
Blockchain
Blockchain
Mobile App Development
Mobile App Development
IoT
IoT
Wearables
Wearables
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
EvaCodes, a top-rated Web3 and smart contract development company, offers a wide range of services and solutions in the blockchain and web3 space. [... view EvaCodes profile ]
Location
Miami, Florida
Number of Employees
50 - 99
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
8 Projects Listed
EvaCodes Services
Blockchain
Software Development
Mobile App Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Genesis360 is a digital transformation consultancy and custom software development company that empowers small to medium enterprises (SMEs) with digital solutions. [... view Genesis360 profile ]
Location
Cleveland, Ohio
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
Under $1,000
Portfolios Count
5 Projects Listed
Genesis360 Services
Web Development
Mobile App Development
Software Development
Blockchain
Staff Augmentation
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
8Cell is a software development company with 11+ years of experience, 100+ developers and 100+ projects who always deliver great results. [... view 8Cell Tech profile ]
Location
Claymont, Delaware
Number of Employees
50 - 99
Average Hourly Rate
$100/hr
Minimal Budget
Under $1,000
8Cell Tech Services
Mobile App Development
Software Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
We take brands, websites, and products to the next level.
We take brands, websites, and products to the next level.
Phenomenon Studio delivers UX/UI design, MVP development, and product redesign for SaaS, fintech, and healthtech startups, with clients including KlickEx and Isora. Its 600+ projects have helped raise over $500M. The software development firm is best for startups needing design-led product development. [... see all Phenomenon Studio reviews ]
World's #1 Rated & Reviewed App, Website & Software Development Company
World's #1 Rated & Reviewed App, Website & Software Development Company
Probey Services builds websites and mobile apps on WordPress, Shopify, and Flutter, for clients like Lineage and Gunzilla Games. Its team of 320+ developers covers eCommerce, healthcare, and edtech across 30+ countries. Best fit for SMBs needing affordable development services. [... see all Probey Services reviews ]
Goji Labs builds custom web and mobile apps, AI-powered products, and digital platforms for startups and nonprofits, with clients like WWF and WHO. It serves healthcare, fintech, and media verticals. A practical fit for early-stage startups and mission-driven organizations needing a product partner. [... see all Goji Labs reviews ]
Accelerating Software Development - Building Offshore Software Development Centers
Accelerating Software Development - Building Offshore Software Development Centers
Saigon Technology builds custom web, mobile, and AI software, with 900+ projects delivered for clients like Standard Chartered Bank and Abbott. Its ISO-certified team of 350+ developers covers healthcare, fintech, and logistics. Best fit for companies seeking cost-effective offshore development. [... see all Saigon Technology reviews ]
Zazz builds custom enterprise software using Node.js, .NET, Java, and Python, with SOC 2, ISO 27001, and HIPAA compliance. The software development agency serves the Government of Ontario platform and global financial services firms. Best fit for enterprises needing security-first software development. [... see all Zazz reviews ]
AppMakers USA builds custom web, mobile, and SaaS products using React, Node.js, and Flutter, with 400+ apps delivered across fintech, healthcare, and edtech. The software development company is the best fit for startups and SMBs needing a Los Angeles-based partner for MVPs or full-cycle builds. [... see all AppMakers USA reviews ]
Snotor is a Web and Mobile Application Development company that helps you enhance the value of your business, reach your strategic goals, and win the market. With 16 years of experience and 450+ projects delivered we have helped many companies across various industries to conduct their digital shift [... see all Snotor reviews ]
HDWEBSOFT is a leading software outsourcing company in Vietnam, known for its high-quality services, affordable pricing, and reliable team. With over 250 experienced engineers and a decade of expertise, HDWEBSOFT has helped businesses of all sizes from around the world to develop and launch successful [... see all HDWEBSOFT reviews ]
BitsWits builds iOS, Android, Flutter, and React Native apps alongside AI and blockchain solutions, with a four-week delivery guarantee. Its work spans healthcare, fintech, and eCommerce, making the software development company suitable for businesses needing fast, affordable mobile app development. [... see all BitsWits reviews ]
Newwave Solutions builds custom web, mobile, and enterprise software from Vietnam, with over 800 projects across fintech, healthcare, and eCommerce. Its 300+ engineers cover Java, React, and Flutter. Best fit for companies needing cost-effective offshore development with Asia-Pacific market experience. [... see all Newwave Solutions reviews ]
Simpalm builds mobile, web, and AI apps using React Native, Flutter, and Node.js, with clients like University of Maryland and AudioBooksNow. The software development agency serves startups, nonprofits, and government. It’s best for businesses needing a US-based mobile and web development partner. [... see all Simpalm reviews ]
The Right Technology Partner Can Change Everything
The Right Technology Partner Can Change Everything
TechnoYuga builds AI-powered mobile apps, web platforms, and SaaS products using Flutter and React Native, with clients in fintech, healthcare, and logistics. The software development agency has served startups and SMEs since 2019. Best fit for startups needing AI-first mobile and web development. [... see all Technoyuga Soft reviews ]
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. [... see all Closeloop Technologies reviews ]
HTMLPanda is a leading website development company founded in 2014. With offices in Boston, Walpole & NYC, we have collaborated with clients all over the world. Our cutting-edge web development services include WordPress development, Drupal development, Woocommerce development, Shopify development. [... see all HTMLPanda reviews ]
Top AI, IoT, SaaS, Mobile App & Software Development Company
Top AI, IoT, SaaS, Mobile App & Software Development Company
Kuchoriya TechSoft is a leading AI, IoT, Mobile App & Website Development, Digital Marketing, and Remote Engineers company, delivering innovative, scalable, and secure digital solutions with a strong focus on quality and emerging technologies. For more: https://clutch.co/profile/kuchoriya-techsoft [... see all Kuchoriya TechSoft reviews ]
Top rated Artificial intelligence solutions company
Top rated Artificial intelligence solutions company
Innovacio Technologies builds AI, ML, and mobile solutions across supply chain, healthcare, and fintech, with 130+ AI projects and clients including GrayMatter Robotics and Beauty Pie. Its 96.5% retention rate spans 10+ countries. Best fit for SMEs needing AI-first product development. [... see all Innovacio Technologies reviews ]
Proud 2024 Webby Award winner in the Responsible AI category and winner of the European Technology Awards for App Development in 2021. [... see all Wolfpack Digital reviews ]
Meet The Partner Behind Your App's Success | Make It App'n!
Meet The Partner Behind Your App's Success | Make It App'n!
Meet your award-winning app development team, dedicated to turning your vision into scalable and profitable digital apps and software. [... see all Chop Dawg reviews ]
Empower Your Business With Future Ready IT Solutions
Empower Your Business With Future Ready IT Solutions
A3Logics is a premier IT solutions development company specializing in cutting-edge technologies like Artificial Intelligence (AI), Blockchain, and the Internet of Things (IoT). We leverage innovative technologies to create solutions that are not only secure & compliant but also scalable & impactful [... see all A3Logics reviews ]
TRIARE builds web and mobile apps for clients like MGM and Amazon, with a focus on transportation, education, and entertainment. Its team serves clients across the US, UK, and Germany. The software development firm is best for startups and SMBs needing a cost-effective offshore development partner. [... see all TRIARE reviews ]
ELEKS, a trusted partner for guaranteed software engineering excellence, quality, and transparency.
ELEKS, a trusted partner for guaranteed software engineering excellence, quality, and transparency.
ELEKS builds custom enterprise software across fintech, healthcare, energy, and logistics, with 1,000+ projects delivered over 30 years. It serves Fortune 500 companies and names like DPD and Drax. The software development firm is best for mid-to-large enterprises needing complex software development. [... see all ELEKS reviews ]
Full cycle software development company that launches high-quality digital products with Lean Startup approach. In other words, we are building scalable apps in a wise staged approach that allows to save money and time and still have high-quality product. [... see all You Are Launched reviews ]
Award-Winning AR / VR / XR / AI / WebGl Experiences
Award-Winning AR / VR / XR / AI / WebGl Experiences
Groove Jones is an innovative technology company that specializes in creating AI/VR/AR software solutions for a wide range of industries, including advertising, entertainment, marketing, health, and training. [... see all Groove Jones reviews ]
Glorium Technologies builds full-cycle software, AI, and ERP solutions for healthcare, fintech, and real estate, with clients including Agfa, NikoHealth, and CAE. Its team has served 20M+ end users. Best fit for mid-market companies in industries needing a compliance-first development partner. [... see all Glorium Technologies reviews ]
Pixelette Technologies - Leading the way in AI & Blockchain
Pixelette Technologies - Leading the way in AI & Blockchain
Pixelette Technologies builds custom software, AI, blockchain, and mobile apps for clients like Dodge, McDonald's, and moTV. Its full-cycle team covers Python, Java, and Go across healthcare and enterprise verticals. Best fit for startups and enterprises needing end-to-end software outsourcing. [... see all Pixelette Technologies reviews ]
An IT partner with time-tested expertise in solving complex software challenges requiring narrow specialization. Explore 40+ case studies on DesignRush. [... see all SEVEN reviews ]
Enterprise Software & AI Engineering - Silicon Valley Rigor, Nearshore Speed
Enterprise Software & AI Engineering - Silicon Valley Rigor, Nearshore Speed
Cheesecake Labs builds mobile, web, blockchain, and AI apps using React Native and Flutter, with clients including MoneyGram and Fortune 500 energy firm AES. The software development agency is the best fit for startups and mid-market teams needing a nearshore full-cycle product partner. [... see all Cheesecake Labs reviews ]
Helping Forward Thinking Companies Transform Digital Visions Into Value
Helping Forward Thinking Companies Transform Digital Visions Into Value
Award-winning USA-based Generative-AI consultancy developing the future of intelligent solutions. We revolutionize business with cutting-edge, responsive AI technologies delivered cost-effectively, and specialize in delivering projects on-time and within budget. [... see all GenAI-Labs reviews ]
JPLoft enables you to bring your vision to life with expert Software Development tailored to your needs. Deep industry expertise accelerates our success in crafting custom apps, SaaS, AI, and digital solutions. We collaborate closely, ensuring clear communication and delivering results that exceed [... see all JPLoft reviews ]
Our commitment is to SDLC Corp’s excellence in delivering transformative Software Development solutions. Our extensive expertise ensures success in even the most complex mobile, web, AI, and blockchain projects. We blend innovation with precision to drive growth and empower businesses worldwide. [... see all SDLC Corp reviews ]
Digis is a Software Development company with a team of 200+ professionals dedicated to Custom Development (Web & Mobile) and design. We have a wealth of experience across several industries, particularly in Education, Healthcare, Fintech, E-Commerce, Media & Entertainment, GIS and Automotive. [... see all Digis reviews ]
Your links to the world of I.T | Custom Software Development and Mobile App Development Experts
Your links to the world of I.T | Custom Software Development and Mobile App Development Experts
Linkitsoft is a leading provider of custom software solutions and mobile app development services. With a team of highly skilled professionals, we specialize in crafting innovative and cutting-edge solutions tailored to meet the unique needs of our clients. Experience to deliver exceptional results. [... see all LinkitSoft reviews ]
When Uteek was initially launched with just three individuals who shared a vision. Today, it has evolved into an organization with over 35 talented professionals dedicated to:1. Web Design & Development2. Mobile App Design & Development3. Software Development4. Graphic Design5. Marketing [... see all UTEEK reviews ]
Engineering Intelligent Solutions Through Design and Code - Web, Mobile AI, Blockchain
Engineering Intelligent Solutions Through Design and Code - Web, Mobile AI, Blockchain
SapientPro builds SaaS, Web3, and AI-driven software, having developed 200+ projects across fintech, eCommerce, and healthcare since 2017. Its team covers everything from smart contracts to ERP development. Best fit for startups and scaleups needing a tech partner for complex product builds. [... see all SapientPro reviews ]
The Development Partner for SaaS, Sport & FinTech Leaders.
The Development Partner for SaaS, Sport & FinTech Leaders.
Coderfy is TOP-rated full-cycle web solutions company focused on:- custom software and web applications- mobile apps and custom AI chatbots- web design and website development at a fair price - full-stack web development, CRM and ERP systems, outsourcing including PM and BA services [... see all Coderfy reviews ]
Infograins Software Solutions Pvt. Ltd., established in 2013 by Ajay and Vipin Shukla, delivers innovative IT services, including blockchain solutions, mobile app development, custom software development, staff augmentation, and AI integration. Our dedicated team provides goal-oriented solutions. [... see all Infograins reviews ]
KodersPedia is a Palo Alto, California-based mobile app development company specializing in end-to-end digital solutions. Founded in 2020, the company offers services including mobile app development, game app development, website development, and staff augmentation. KodersPedia caters to a diverse range of [... see all Koderspedia reviews ]
Zamratech, a globally recognized company based in the United States, has become a leading worldwide application developer. We provide a comprehensive range of digital services, including web design, mobile app development, software development, and cross-platform development, offering a complete 360-degree [... see all Zamratech reviews ]
Revolutionizing Mobile Solutions with AI-Powered Innovation for Your Business
Revolutionizing Mobile Solutions with AI-Powered Innovation for Your Business
At Mobcoder, we help our clients realize the potential of rapidly evolving mobile technologies, from developing an app strategy to launching mobile applications. We have the expertise to take the app development plan through the mobile product design, development, testing and launch phases. [... see all Mobcoder reviews ]
Building Custom Software and Mobile App Solutions Since 2008
Building Custom Software and Mobile App Solutions Since 2008
Clients cite responsive delivery and strong technical communication. Cubix ships production-ready software across React, Flutter, and enterprise ecommerce stacks, serving Fortune 500 accounts including Sony, Walmart, and PayPal since 2008.The Florida-based firm completed one mobile app in under six months [... see all Cubix reviews ]
Top 1% Software Development Company Trusted By Fortune 500
Top 1% Software Development Company Trusted By Fortune 500
CraftedQ is a one-stop shop for all your digital needs. Our team of 300+ experts in full-stack development, DevOps, cloud architecture, product development, digital consulting, UI/UX design and project management can help your business create a comprehensive digital presence. [... see all CraftedQ reviews ]
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