Top 100 Smart Contract Companies

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Top 100 Smart Contract Companies

August 2022

Looking for a top smart contract developer?

A smart contract is software for managing digital transactions such as the exchange of cryptocurrencies. The transaction only occurs when pre-defined conditions are met, which means smart contract computer programs must define rules and enforce them. 

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List of the Best Smart Contract Developers

  • 91
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • Gdynia, Poland

    Nextrope is a software development company that focuses on blockchain, fintech and tokenization projects. They have been on the market since 2016. Although they have mainly served startups and SMEs, they also have experience working with large financial institutions. They offer end-to-end custom software development services — from technological consulting and product design to front- and backend development and maintenance.

    Clients

    • Alior Bank
    • Lex Secure
    • Stable Foundation
    • Proxy Partners

    Industries

    Notable Project

    Nextrope was hired by an IT service provider to conduct a full tokenization process for their sales platform. They were hired for their Clutch rating and positive reviews on their profile. 

    "From their communication to project management, everything was properly organized."

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  • 92
    • $10,000+
    • 50 - 249 employees
    • Boca Raton, FL

    The SilverLogic is an artificial intelligence development company. The Boca Raton, Florida-based firm was founded in 2012. The small team provides Artificial Intelligence, ux/ui design, mobile app development, web development, and more.

    Industries

    Notable Project

    The SilverLogic developed a custom point-of-sale system with financial integrations, including QuickBooks and more. There's also account management and reporting features to increase company bandwidth. 

    "Whereas most firms would build whatever we told them to, SilverLogic has thought things through with us." 

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  • 93
    • Scheduling

      4.8
    • Quality

      4.3
    • Cost

      4.8
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Austin, TX

    Based in Austin, Texas, OINO is a software development company. Founded in 2018, the midsize team specializes in custom software development, enterprise app modernization, mobile app development, web development, and more.

    Industries

    Notable Project

    OINO designed and developed a mobile app prototype for a dating platform. They initially led a discovery phase before building the prototype.

    "They were very communicative."

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  • 94
    • $10,000+
    • 10 - 49 employees
    • Islamabad, Pakistan

    Blockchain company Softtik Technologies is based in Islamabad, Pakistan. The small team provides blockchain. The company was launched in 2018.

    Industries

    Notable Project

    An NFT company was looking to launch their brand online, so they engaged with Softtik Technologies for Ethereum blockchain development and tokenization, graphic design, and web development services.

    "The best part about working with them was how well-rounded they were — they brought a bit of everything to the table."

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  • 95
    • $50,000+
    • 10 - 49 employees
    • Mattoon, IL

    Launched in 2018, Build Online is a website development firm. Their small team is headquartered in Mattoon, Illinois and focuses on web development, mobile app development, custom software development, ux/ui design, and more.

    Clients

    • Guestio
    • Tithely

    Industries

    Notable Project

    Build Online is developing an app that will allow a rodent control firm to save time and money. They're also creating a pitch platform, which will help the company with their client meetings.

    "Their team has been phenomenal with keeping us updated throughout the whole thing and making adjustments."

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  • 96
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.7
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • Kuusalu Vald, Estonia

    Etheric OÜ is a design agency founded in 2018 with headquarters in Kuusalu vald, Estonia, and an office in Prague. Their team of 10 professionals specialize in web development, UX/UI design, and web design, working with all kinds of clients from consumer products, education, and financial services industries, among others.

    Clients

    • Moneta Bank
    • Mastercard CZ&SK
    • Trader Joe
    • Polymarket

    Industries

    Notable Project

    Etheric was hired to improve the UI/UX of a DeFi platform. The client wanted their site to be more visually appealing and easy to navigate since they offer a variety of products.

    "Their workflow was very effective, and their response times were quick."

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  • 97
    • $5,000+
    • 10 - 49 employees
    • Kyiv, Ukraine
    Tech Band is a blockchain company. Established in 2016, the team offers blockchain, custom software development, web development, and mobile app development. Their small agency is located in Kyiv, Ukraine.

    Clients

    • Nimbus
    • Crypto Snake
    • Flare Finance
    • Unicorn.win

    Industries

    Notable Project

    TechBand Blockchain Development Company provided a creative agency with blockchain consulting services for their startup idea. They performed a market analysis and conducted one-hour consulting sessions.

    "They have blockchain expertise and a good team of analysts and developers who know the cryptocurrency market well."

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  • 98
    • $25,000+
    • 50 - 249 employees
    • San Francisco, CA

    Double Coconut is a web development firm based in San Francisco, Calif. Founded in 2011, their team of 30 serves clients in the gaming, marketing, and entertainment sectors. Services include mobile development, programming, and AI.

    Clients

    • WB
    • Ellen Degeneres
    • BET Networks
    • SAP

    Industries

    Notable Project

    Double Coconut develops PC and mobile games and also converts games developed in-house so they’re accessible on additional platforms. They’re currently building a mobile game with Unity for cross-platform use.

    “I have great confidence in their work. They stick to their budget and they’re cost-effective.”

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  • 99
    • $10,000+
    • 50 - 249 employees
    • Rīga, Latvia

    Crypton Studio is a software company based in Riga, Latvia, and founded in 2015. With over 10 employees, they offer blockchain, mobile app development, and web development solutions to small and medium-sized businesses alike.

    Industries

    Notable Project

    Crypton Studio was tasked with integrating blockchain to a DeFi platform. Technologies used include Solidity and Vue.js. They were hired for their affordability.

    "Their output was the most important for us and the team has covered all our needs."

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  • 100
    • $5,000+
    • 2 - 9 employees
    • Boston, MA

    Consensus Creative is a small web design agency. Launched in 2020, the firm is headquartered in Toronto, Canada. Their services include web design, web development, and graphic design.

    Clients

    • Toronto Arts Academy
    • Harmony Home Cleaning
    • Palace Theatre

    Industries

    Notable Project

    Consensus Creative has provided web development services for an education consulting company. They've developed and designed the platform using WordPress, and they also integrated e-commerce functionality.

    "They are experts at what they are doing and genuinely care for your success."

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  • 101
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Wrocław, Poland

    Ulam Labs is a software development company from Poland that specializes in of Python and blockchain. Founded in 2012, they have 20+ developers who serve startups and small-to-medium businesses in the fintech, telecommunications, e-commerce, banking, supply chain, production, and manufacturing sectors. Their services include custom software development, DevOps, consulting, and outsourcing. 

    Clients

    • Mobile Vikings
    • Lendingblock
    • Willard Agri-Service
    • RankSense

    Industries

    Notable Project

    Ulam Labs is the long-term development partner to a data science company. The team has supported a range of development projects, leading the initial scope sessions to plan the project.

    "Ulam is the only dev team I go to; I don’t see how they could do anything better."

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  • 102
    • $1,000+
    • 50 - 249 employees
    • Lahore, Pakistan

    Software Alliance is a blockchain company. Their small team is in Lahore, Pakistan; Lahore, Pakistan and Lahore, United Kingdom. Their services include blockchain, e-commerce development, mobile & app marketing, and mobile app development. The agency was launched in 2009.

    Industries

    Notable Project

    Software Alliance helped develop custom software, mobile application, and chrome extension for a software startup. The team worked on the designs and mockups based on the client's specifications and workflows.

    "They were an all-in-one software development company."

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  • 103
    • Scheduling

      4.6
    • Quality

      4.7
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Tallinn, Estonia

    4ire Labs is a blockchain and app development company located in New York City, with an additional office in Kiev, Ukraine. Founded in 2010, 4ire Labs' team of around 35 employees specializes in mobile app development, UI/UX design, and custom blockchain development. 4ire Labs primarily works with small businesses in the consumer products, media, and retail industries. 

    Clients

    • SEB bank
    • Ohman
    • GIZ
    • GIZ and other financial institutions (Sweden).

    Industries

    Notable Project

    A media company hired 4IRE to carry out a feasibility study on the architecture and design of a new utility crypto token as well as understand timescales and costs associated with developing the MVP.

    "They were super efficient, friendly, and driven to ensure the project succeeds."

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  • 104
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.7
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 10 - 49 employees
    • Manchester, United Kingdom

    Founded in 2010, Silverchip is located in Manchester, United Kingdom. Their team of 13 employees provides mobile app development and custom software development services for enterprise, midmarket, and small businesses.

    Clients

    • Suits Me Banking
    • England Squash
    • LGBT Foundation
    • Boundary Outlet

    Industries

    Notable Project

    Silverchip developed a documentation system to make it quicker and more customizable. They built out the database architecture and added a template builder. They developed with React, JavaScript, and C++.

    “They enjoy what they do, and it shows in what they deliver to their clients.”

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  • 105
    • Scheduling

      4.2
    • Quality

      5.0
    • Cost

      4.5
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • T'bilisi, Georgia

    AI firm MaxinAI was launched in 2017. Their midsize team is located in Tbilisi, Georgia. MaxinAI provides Artificial Intelligence, custom software development, BI & big data consulting & SI, cloud consulting & SI, and more.

    Industries

    Notable Project

    MaxinAI provides development services for a software development company. They are supporting the client's various development projects.

    "MaxinAI makes our communication more fluid and transparent by having a weekly online meeting."

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  • 106
    • Scheduling

      5.0
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • Guadalajara, Mexico

    INMEDIATUM is an enterprise app development company located in Guadalajara, Mexico. It was founded in 2008 and has 14 employees. The team offers mobile app development; productivity, collaboration & UC consulting and SI; and ERP consulting and SI services. They serve midmarket and enterprise clients in the manufacturing, transportation, and business services industries.

    Clients

    • Lunbeck
    • Endress+Hausser
    • moneyamigo
    • Fiat Chrysler Automobiles

    Industries

    Notable Project

    An automated market research platform needed a partner that could develop a tool that fit its business model and scale their business. They hired Inmediatum.

    "Their ability to grasp rough concepts and materialize it into a product that was beyond our own expectations."

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  • 107
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • Warszawa, Poland

    EthWorks is a Warsaw, Poland based blockchain app development and design agency founded in 2017. Their 8 employees offer web development, custom software development, UX/UI design, and blockchain development services

    Clients

    • Maker Foundation
    • Polkadot
    • Bitcoin.org
    • Ethereum foundation

    Industries

    Notable Project

    EthWorks was hired by a digital hedge fund to revamp its platform and improve design and user experience. 

    "Ethworks did a fantastic job on the website. It looks very professional and performs much better. Since the team completed this project, our investors have been engaging much more effectively with the platform." —Manager, Hedge Fund

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  • 108
    • Scheduling

      4.7
    • Quality

      4.9
    • Cost

      4.6
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • Port St. Lucie, FL

    Ideators is a small e-commerce development firm. The Austin, Texas-based company was established in 2019. Their services include e-commerce development, web development, cybersecurity, digital strategy, and more.

    Clients

    • KPMG
    • OKEx
    • Engro
    • Medtronic

    Industries

    Notable Project

    Ideators deploys their cybersecurity specialists to augment a telecommunications company's team. They presented their team's profiles and shared their tailored solution for the client's requirements.

    "Their team is highly accurate and skilled in their core domain."

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  • 109
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    Heveloon ltd is a mobile app development company in London, United Kingdom. Founded in 2018, they have about 5 employees that serve mostly small-business and midmarket clients in the medical, business, and financial services sectors. Services include mobile app development, blockchain, and enterprise app modernization. 

    Clients

    • Cocconapp
    • TherapYOU
    • Cabalda
    • Wtatruffles

    Industries

    Notable Project

    Heveloon ltd provided custom software development services for a blockchain-powered fashion marketplace. This mainly involved API management and the implementation of blockchain tools.

    "They were a very professional and skilled team."

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  • 110
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • L'viv, Ukraine

    Unit Space is an IT solutions and software development company, founded in 2016. They employ 20 industry professionals in their office in Kharkov, Ukraine, where they provide modern solutions for software design and development to small and midmarket companies. Services include web and mobile app development, e-commerce, and CMS.

    Clients

    • Ultra.io
    • Ambrosus
    • Sally
    • Monero Crypto

    Industries

    Notable Project

    Unit Space collaborated with a digital agency to provide a web platform for its client. The project consists of a mobile application that will control the platform. They used .Net, Angular, and MongoDB.

    "The developers were dedicated to their tasks."

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  • 111
    • $5,000+
    • 10 - 49 employees
    • Ahmedabad, India

    Innvonix Technologies is a web development company based in Ahmedabad, India. It has more than 40 employees and was founded in 2014. They specialize in mobile app development, web development, e-commerce development, web design, and custom software development. The team serves small business and midmarket clients in the IT sector.

    Clients

    • Enlighten
    • PlusGuest
    • Packaging Square
    • Cashmere Polo Club

    Industries

    Notable Project

    An online networking company hired Innvonix Tech Solutions Private Limited for website design, development, and implementation. They also manage social media campaigns.

    "Every milestone is regularly discussed and written clearly."

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  • 112
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.3
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • Las Vegas, NV

    Adoriasoft is a software development agency located in Apple Valley, Minnesota with additional offices in Ukraine and Isreal. Since 2010, their team of about 20 work with primarily small businesses. They specialize in web design and development, blockchain, mobile app development, UX/UI, AI development, and cybersecurity. 

    Clients

    • Digitex
    • Snaphappi
    • Dropsend
    • Easy File Shredder

    Industries

    Notable Project

    Adoriasoft developed a webcam driver for a software company that allows the app to interface with other webcam enabled desktop apps. The team handled all aspects of development, including the install.

    "They kept us in the loop regarding progress, stuck to deadlines, and delivered very good results."

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  • 113
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      4.6
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • Montreal, Canada

    Webisoft is a full-service web and mobile development company based in Montreal, Canada. The company, founded in 2016, has a team of more than ten that provides web development, custom software development, mobile app development, UX/UI design, and IoT development services. Webisoft serves small and larger-sized companies in various industries that include business services, IT, and e-commerce. 

    Clients

    • Proprio Direct
    • Edigo
    • PING CRM

    Industries

    Notable Project

    Webisoft developed a blockchain platform's software and assisted them through the security auditing process. Technologies used include dApp, API, and MongoDB.

    "When questions popped up or changes were requested, they were on point ready to make those ideas come to life."

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  • 114
    • Scheduling

      4.5
    • Quality

      4.4
    • Cost

      4.6
    • NPS

      4.6
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Noida, India

    Appventurez is a software development company that was founded in 2018. With a team of 64 employees, they have offices in Noida, India, San Jose, Calif., Johannesburg, and Doha, Qatar. Their main service lines are mobile app development, web development, and blockchain.  

    Clients

    • PWC
    • Walmart
    • Discovery
    • Pepsico

    Industries

    Notable Project

    Appventurez redesigned a mobile application for a building materials manufacturer. They analyzed the existing platform, studied other e-commerce applications, and came up with wireframe variations.

    "We were impressed by their reactivity, professional approach, and dedication."

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  • 115
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Barangaroo, Australia

    UPCORE is a Barangaroo, Australia-based mobile application development firm. They offer mobile app development, web design, custom software development, branding, and more and were founded in 2016.

    Clients

    • Mobile development
    • custom software development
    • Website development

    Industries

    Notable Project

    UPCORE developed a software company’s web, iOS, and Android apps. They used the client’s designs and mockups in building the solution, which was integrated with cloud storage and various third-party services. 

    "They earnestly put in a lot of thought and effort into the project."

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  • 116
    • $25,000+
    • 50 - 249 employees
    • Dallas, TX

    Inclusion - The Cloud company is a cloud consulting & SI company. The midsize team is based in , Argentina. Their services include cloud consulting & SI, IT staff augmentation, HR services, custom software development, and more.

    Clients

    • Good Year
    • The World Bank Group - BID
    • SC Johnson
    • AES

    Industries

    Notable Project

    A research and advertising agency hire Inclusion Cloud for custom software development services. The team was tasked with administrating the client's project development with streamlined payment procedures.

    "The way the whole company drove to satisfy a client's needs was impressive."

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  • 117
    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom

    Pixelette Technologies Ltd is a SEO services firm headquartered in London, United Kingdom. They focus on search engine optimization, conversion optimization, digital strategy, social media marketing, and more and were launched in 2018.

    Industries

    Notable Project

    A real estate agency hired Pixelette Technologies Ltd to provide SEO services. The team is tasked with improving the client's search engine ranking. 

    "Pixelette Technologies Ltd's SEO services have been effective in bringing in a lot of business to RoomsinHuddersfield."

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  • 118
    • $5,000+
    • 10 - 49 employees
    • Pelham, NH

    Founded in 2017, OnDemandStartups is an app development company with locations in Chennai, India and Chicago. With a team of fewer than 50 employees, the company provides mobile and custom software development services. Their clientele is composed mainly of small businesses in the IT industry.

    Clients

    • MyGroser
    • Paddle
    • Boon4

    Industries

    Notable Project

    OnDemandStartups developed a digital asset management ecosystem for a business services company. They built the client's software to capture and track the client's assets in the construction industry.

    "The speed of execution and talented and creative UI/UX team, yet keep things simple and user-friendly are amazing."

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  • 119
    • $10,000+
    • 10 - 49 employees
    • Cincinnati, OH

    Founded in 2014, Team Harbour is a development, AI, and blockchain company based in Cincinnati, Ohio. They primarily work with small businesses in the financial services, e-commerce, and real estate industries. 

    Clients

    • XchangePlus
    • VISA
    • COMO Global
    • RINA Systems

    Industries

    Notable Project

    Team Harbour provides design and front- and backend development services to a real estate technology company. They work in React on the frontend. The team has also rewritten code and provided QA services.

    "They go out of their way to make sure that there won’t be any delays and clarify things."

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  • 120
    • $25,000+
    • 10 - 49 employees
    • Montreal, Canada

    Underlabs Inc. is a software engineering development business based in Montreal, Canada. Founded in 2009, the small team of 3 specializes in mobile app development, UX/UI design, and custom software development. They focus on business services, consumer products and services, advertising, and marketing.  

    Clients

    • Aeroports de Montréal International
    • Morgan Stanley
    • IATA
    • DAC Aviation

    Industries

    Notable Project

    Underlabs Inc. worked on a cloud-based solution for an educational course rating platform. They built a cloud-based platform that allows students to rate classes and professors. The solution includes end-to-end encryption and a custom avatar builder for users.

    “Underlabs combined functional features and game-inspired design to create a platform that is both usable and fun.” – Angel Investor, Educational Course Rating Platform

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