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

10 Companies-Rankings updated: October 18, 2026
Smart Contracts

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.

Smart Contract Development × Construction × $50,000 & Up ×Clear Filters
  • Talentica Software

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Building Products AI-Native Way

    Talentica offers product engineering, with a playbook-driven approach refined across more than 200 products over 22 years. Its 200+ GenAI-certified developers deployed AI features in 60% of products. Recommended for startups and SaaS companies needing MVP development, AI integration, or product scaling...

    Top Services:

    • Software Development
    • AI Development
    • IT Services
    • Big Data Analytics
    • Blockchain
    • Show more
    Location
    Pune, India
    Number of Employees
    500 - 999
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    7 Projects Listed

    Talentica Software Services

    • Software Development
    • AI Development
    • IT Services
    • Big Data Analytics
    • Blockchain
    • Mobile App Development
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Wideorbit
    • Sema4.AI
    • Realization Technologies Inc.
    • TailoredMail
    • StructuredWeb Inc
    • Amplify
    • Mist Systems (Juniper Company)
    Data sourced from the agency's DesignRush profile

    Talentica Software Reviews & Testimonials

    • Ashish Sharma
      Ashish Sharma Sr Engineering Manager at OpenGov India Pvt Ltd
      4.7★

      Software Development Review from Ashish Sharma

      Talentica has proven to be an exceptional software outsourcing partner, consistently exceeding expectations in both the quality of their resources, deliverables and their commitment to our success. They function not merely as a vendor, but as an extension of our core engineering team.Key Highlights of our Partnership:High Resource Quality: The engineers provided by Talentica are technically strong and highly competent. They integrate seamlessly with our internal teams and quickly take ownership of complex projects.Commitment and Reliability: Talentica is a truly reliable partner that consistently demonstrates a strong willingness to go beyond the standard scope of work. They proactively identify risks and contribute innovative solutions.Critical Project Support: Their expertise was pivotal in two critical areas:Data Pipeline & Reporting: They were instrumental in both enhancing and maintaining a reliable data pipeline & reporting infrastructure. Software Upgrades: They managed challenging, large-scale software upgrades, ensuring we successfully transitioned to modern technology stacks with minimal disruption.Overall, Talentica is a dependable and high-value partner assisting our mission-critical projects.

    • Anonymous
      Anonymous Advisor at IT Company
      5.0★

      Software Development Review from Anonymous

      We had created a conceptual framework to authenticate and verify the provenance, transaction history, and authorship of blockchain-based NFTs. Talentica was brought on board to test and refine the concept from both functional and engineering perspectives, and later to build a Minimum Viable Product (MVP) aligned with the agreed specifications and constraints.

    • Anonymous
      Anonymous Engineering Manager at SaaS Company
      5.0★

      Software Development Review from Anonymous

      For several years, the team was composed entirely of Talentica contractors. Since January 2022, I have been directly managing them. The Talentica team handled the admin tooling backend, which included multiple Python Flask services with Postgres and Elasticsearch. These services operated in a service-oriented architecture deployed on Kubernetes, using Istio for service mesh and Spinnaker for deployments.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • A Versatile Tech Company!

    Softeq is a versatile technology and Greentech company offering a wide range of services, including embedded system development, machine learning, digital transformation, hardware design, UX/UI design, and more...

    Top Services:

    • Mobile App Development
    • Software Development
    • Software Testing
    • Blockchain
    • Wearables
    • Show more
    Location
    Houston, Texas
    Number of Employees
    250 - 499
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    8 Projects Listed

    Softeq Services

    • Mobile App Development
    • Software Development
    • Software Testing
    • Blockchain
    • Wearables
    • UI/UX Design
    • Cybersecurity
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Lenovo
    • Epson
    • Microsoft
    • WTA
    • NVIDIA
    • Verizon
    • G.J.Gardner
    • Walt Disney Parks and Resorts
    • Happiest Baby
    Data sourced from the agency's DesignRush profile

    Softeq Reviews & Testimonials

    • Quan Gan
      Quan Gan Owner at Gantom Lighting & Controls
      5.0★

      Software Development Review from Quan Gan

      We collaborated with Softeq to develop an infrared emitting platform. Softeq provided software development and support services, streamlining our project. While our hardware technology was excellent, Softeq elevated our company's products with superb software development and implementation solutions. Working with Softeq was highly beneficial for us, as the agency managed our projects more efficiently due to exceptional project management and organized workflows.

    • Jeff Johnston
      Jeff Johnston Founder and Chief Executive Officer at A-List Enterprises
      5.0★

      Mobile App Development Review from Jeff Johnston

      We hired Softeq for mobile app development services. Softeq developed a functional and user-friendly app, efficiently integrating productivity features like calendar, contacts, and task management. The agency organized regular meetings with our product management department, communicated effectively, and promptly resolved issues. Softeq's team worked diligently and provided valuable insights. We were satisfied with Softeq's services.

    • Trent Gardner
      Trent Gardner Information Technology (IT) Manager at G.J. Gardner Homes
      5.0★

      Software Development Review from Trent Gardner

      We worked with Softeq for software redevelopment services to improve our company's proprietary software. Softeq updated the business platform, streamlining operations and enhancing the platform's user UI and functionality. This improvement aided our sales, job estimating, purchase orders, and administration efforts. Softeq's team was professional, attentive, and prompt in implementing feedback. The agency delivered high-quality work, impressing our company's internal stakeholders.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Unlock the BlackBox, achieve your Vision

    BlackBox Vision is a boutique digital product development studio based in Buenos Aires, Argentina, dedicated to helping startups and scale-ups bring their ideas to life...

    Top Services:

    • Mobile App Development
    • Software Development
    • Product Design
    • UI/UX Design
    • VR/AR
    • Show more
    Location
    Victoria, Argentina
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    13 Projects Listed

    BlackBox Vision Services

    • Mobile App Development
    • Software Development
    • Product Design
    • UI/UX Design
    • VR/AR
    • Blockchain
    • AI Development
    • IoT
    • Wearables
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Centro del Marmol
    • Criptoladrillo
    • Compra Futura
    • SURA Seguros
    • Answer Seguros
    • Daniela de Lucia
    • Tervey
    • Unmano
    • Spoilertime
    • Pro-Athletes
    Data sourced from the agency's DesignRush profile
  • End-to-end software development with built-in compliance

    For growth-stage software companies operating in regulated environments, where enterprise deals, audits, and regulations block growth, Corpsoft Solutions is a compliance-native software development partner that designs and builds audit-ready systems from day one...

    Top Services:

    • Software Development
    • IT Compliance Solution
    • AI Development
    • Cybersecurity
    • Cloud Consulting
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    9 Projects Listed

    Corpsoft Services

    • Software Development
    • IT Compliance Solution
    • AI Development
    • Cybersecurity
    • Cloud Consulting
    • Web Development
    • Web Design
    • IT Services
    • Business Consulting
    • Investment
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Interstat LLC (Remoni Health)
    • Proxuma B.V.
    • DermSnap (DappleDoc)
    • Midland Fixings Ltd (t/a MIDFIX)
    • S&E Caretrade (Ramblegard)
    • Reportil
    • Minty Living, LLC
    • My Office Help
    Data sourced from the agency's DesignRush profile
  • Dont settle for off-the-shelf. Expertly crafted & custom-tailored software from the USA.

    K-Optional Software: where your success is our success. From secure solutions that scale to an uncompromising focus on return on investment, we're the company that delivers. Dont settle for off-the-shelf. Expertly crafted & custom-tailored software from the USA...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $50,000 & Up

    K-Optional Software, LLC Services

    • Mobile App Development
    • Software Development
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Viapath Technologies
    • AllModular Systems
    • Assemplify
    • University of Arkansas
    • University of Texas Austin
    • Flowty
    • RepairDispatch
    Data sourced from the agency's DesignRush profile

    K-Optional Software, LLC Reviews & Testimonials

    • Michael Levy
      Michael Levy President at Flowty
      5.0★

      Software Development Review from Michael Levy

      Flowty is a blockchain-based platform providing various transaction services around NFTs. K-Optional wears many hats in support of Flowty including Front End, Back End, business strategy, SEO and more.The K-Optional team has been incredible to work with. They are proactive, supportive, smart, thoughtful and, most importantly, fit seamlessly into our team and company culture. To put it succinctly, we tried to hire them full-time...and then tried to buy their company to acqui-hire them.Some of their strengths include: reliability, responsiveness and creativity. There are many groups out there that can perform some version of the work we are looking for. There are not many groups that are responsive at all hours of the day, deliver consistently and able to present data-backed business strategies.

    • Jane Smarovozova
      Jane Smarovozova Creative Director at McSwain
      5.0★

      Software Development Review from Jane Smarovozova

      We collaborated with K-Optional to develop a custom inventory management dashboard tailored for real estate clients. We provided the creative vision and detailed designs, while their team focused on the software development, ensuring that every element was implemented perfectly. We worked hand-in-hand flawlessly, resulting in a sleek, user-friendly interface that not only looks great but functions seamlessly. The synergy between design and development allowed us to deliver a product that exceeded client expectations, combining aesthetics with powerful functionality.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Innolab AI builds revenue engines, not just software. Jane creates pipeline. Luna closes it.

    Innolab AI builds AI systems that sell for you.Jane replaces SDR teams with automated, hyper-personalized outbound.Luna calls and books meetings 24/7 with human-like conversations.We help B2B leaders generate pipeline, cut admin time, and scale revenue without chaos...

    Top Services:

    • AI Development
    • Mobile App Development
    • Web Development
    • Software Testing
    • Blockchain
    • Show more
    Location
    Columbus, Ohio
    Number of Employees
    50 - 99
    Average Hourly Rate
    $59/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    2 Projects Listed

    Innolab Services

    • AI Development
    • Mobile App Development
    • Web Development
    • Software Testing
    • Blockchain
    • Staff Augmentation
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Flonest
    • Dollar Shave Club
    • Buddy Lee Jump ropes
    Data sourced from the agency's DesignRush profile

    Innolab Reviews & Testimonials

    • Buddy Lee
      Buddy Lee CEO at Buddy Lee Jump Ropes
      5.0★

      B2C Apps Review from Buddy Lee

      Innolab delivered exactly what we needed a high quality, AI powered jump training app with realtime feedback and sleek design. The team was professional, collaborative, and hit every milestone on time. Highly recommend them for any innovative app development.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Crafting technologies to move business.

    Since 2009, Dom & Tom has built their reputation on designing and developing applications meant to build and scale digital businesses. From startups to enterprise clients, the apps we craft for our clients help them to be more profitable, efficient, and competitive in their markets...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • Web Design
    • Web Development
    • Software Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up

    Dom & Tom, Inc Services

    • Mobile App Development
    • UI/UX Design
    • Web Design
    • Web Development
    • Software Development
    • AI Development
    • Digital Strategy
    • Staff Augmentation
    • IoT
    • WordPress Website Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Bloomberg
    • Turner Construction
    • The MITRE Corporation
    • General Electric
    • UOVO
    • Valmont Industries
    • Samsung Electronics
    • AM Best
    • Fitch Ratings
    • NBA
    Data sourced from the agency's DesignRush profile
  • EMERGE

    Award WinnerRecipient of a Best Design Award for outstanding work.

    Digital Product Agency delivering Consumer-grade UX Design for B2B & Enterprise.

    EMERGE is a top-rated UX Design Agency and Digital Product Consultancy and a trusted partner for B2B leaders across technology, healthcare, and manufacturing sectors. We specialize in driving business growth by crafting elevated, engaging digital products and services...

    Top Services:

    • UI/UX Design
    • Product Design
    • Design Services
    • Software Development
    • Mobile App Development
    • Show more
    Location
    Portland, Oregon
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed

    EMERGE Services

    • UI/UX Design
    • Product Design
    • Design Services
    • Software Development
    • Mobile App Development
    • Web Development
    • eCommerce Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Mercedes Benz
    • Intel
    • McAfee
    • AT&T
    • Home Depot
    • Nike
    • Splunk
    • HPE
    • Stanford University
    • UCSF
    Data sourced from the agency's DesignRush profile
  • Succeed Faster with Syberry.

    Austin-based Syberry builds custom software that companies own outright, replacing costly SaaS tools, modernizing legacy systems, and putting AI to work with people firmly in control. Since 2011, our team has shipped 300+ solutions for startups and Fortune 200 brands. A distinctive delivery process, run on...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Cloud Consulting
    • IoT
    • Show more
    Location
    Austin, Texas
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up

    Syberry Services

    • Software Development
    • Mobile App Development
    • AI Development
    • Cloud Consulting
    • IoT
    • Software Testing
    • ERP Consulting
    • CRM Consulting
    • Cybersecurity
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Crux
    • Chipply
    • GiveMeTheWin.com
    • Goodwin & Co.
    • JLL
    • Bridgewater
    • THG Energy Solutions
    • Verified Credentials
    • Broadridge
    • Daimler Truck
    Data sourced from the agency's DesignRush profile

    Syberry Reviews & Testimonials

    • Andrew Stanifer
      Andrew Stanifer Review from Google
      5.0★

      Andrew Stanifer's Review Sourced from Google

      I cannot say enough good things about Syberry and the experience I had with them! The entire team was extremely customer focused and incredible to work with. They will without out a doubt be our continued partner and go-to for any future software development!

    • Parker Collins
      Parker Collins Review from Google
      5.0★

      Parker Collins's Review Sourced from Google

      Syberry is the best! I can't even find the words to express how happy I am with my experience. This was the first time my company created a customized program, so I was initially very hesitant and apprehensive about the project. Syberry helped us transform a very lengthy and involved Excel sheet containing a large volume of important and sensitive information into a program that streamlined a complex process into a highly efficient system. Rudy was my main point of contact, and he was with me every step of the way. I can't say enough good things about the team we worked with to develop the program. By the end of the project, it was very sad to see them go. We looked forward to our weekly meetings with our dedicated Syberry team. I already have plans to start another project with Syberry and am looking forward to it! Thank you again, Syberry Team! You are all the best!

    • Jose Basa
      Jose Basa Review from Google
      5.0★

      Jose Basa's Review Sourced from Google

      We've done multiple projects with Syberry and found them to be professional and effective. They utilize current development methodologies and have solid project management. They were able to deliver timely work and stay within budget - areas where other offshore firms I've used struggle. I highly recommend them for any of your future technical projects.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Engineers private LLM systems, sovereign AI deployments, and agentic architectures for enterprises

    Tensorsoft is an AI-first software development company helping growing businesses build scalable, intelligent, and future-ready digital solutions. We specialize in designing and developing custom software, mobile applications, and AI-powered platforms that solve real business problems and accelerate growth...

    Top Services:

    • AI Development
    • Software Development
    • Blockchain
    • IoT
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up

    TensorSoft.AI Services

    • AI Development
    • Software Development
    • Blockchain
    • IoT
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • PayTM
    • Astrotalk
    • Hyperiux
    Data sourced from the agency's DesignRush profile

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