Looking for a top smart contract developer in Ukraine?

Smart contract development ranges in cost from $5,000 to $100,000 depending on the complexity of programming and deploying the contract. To get started, smart contract developers should define the contract requirements, create the code, test the contract, and deploy it. These steps may sound simple, but smart contracts must consider all rules to ensure a digital transaction works as planned.

Smart contract development is a required skill for any blockchain developer you work with. When hiring a blockchain development company, ask about its experience creating smart contracts and its approach.

To assist you in your search for a partner, we’ve compiled this list of the top smart contract companies in Ukraine. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.

List of the Best Ukraine Smart Contract Developers

  • 1
    $50,000+
    50 - 249 Employees
    Kharkiv Ukraine

    Inn4Science is a blockchain development company headquartered in Las Vegas, with an office in Kharkiv, Ukraine. Founded in 2016, the team of 49 specializes in blockchain, web development, and custom software development. They primarily work with midmarket clients, mainly in the business services, financial services, and marketing industries.

    Industries
    Notable Project

    Inn4Science worked on blockchain development for an online commodity exchange. They provided services including a proof of concept, business analysis, blockchain and web development, design, and technical support. The client was satisfied with the outcome of the project. 

    “Every member of their team was professional and welcomed the use of an agile methodology. The designers captured our ideas perfectly, and the working process was quite seamless and comfortable.” – COO and Co-Founder, Online Commodity Exchange 

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  • 2
    $5,000+
    10 - 49 Employees
    Dnipro Ukraine

    Blaize is a blockchain software development company based in Dnipro, Ukraine. The company, founded in 2016, has a team of more than 25 specialists who provide, among others, blockchain, custom software development, and mobile app development services to small and midmarket companies.

    Clients
    Everstake
    Pandora Boxchain
    Quantfury
    Solana
    Notable Project

    Blaize was hired by a security company to develop a a token bridge that can swap between Ethereum and Hyperledger networks, an application for two-factor authorization that utilizes the company's blockchain and service to keep transaction comments and notifications via Telegram bot, and other later projects. Through this engagement, the company's team and clients feel more assured about data security.

    "With some exceptions, Blaize team always delivered on time and within budget." - CEO, Security Company

  • 3
    $10,000+
    50 - 249 Employees
    Kyiv Ukraine

    Peiko is an IT development company located in Kyiv, Ukraine. Comprising 19 employees, they develop software solutions for various sized companies in IT, business services, finance, and healthcare. Services include frontend and backend development, UX and UI design, database management, testing, QA, and website management.

    Clients
    OrionProtocol - Top 250 Cryptocurrencies on CoinMarketcap. The first gateway to the entire crypto market: aggregating every CEX, DEX, and swap pool into one decentralized platform. The market cap of ORN is 250 000 000$
    LocalAway - Silicon Valley marketplace
    Riabu, ContactsBook, Investros.Exchange - SaaS projects of HongBao Media
    GS Diamonds - australian gewelry eCommerce
    Industries
    Notable Project

    Peiko designed a corporate website from the ground up for an insurance company. They also built a CRM using PHP, HTML, CSS, and MySQL. Peiko’s commitment to understanding business goals and needs has translated into notable results, including high client satisfaction.

    “They’ve successfully applied an agile approach to our project. Balancing quantity with quality in their workflow, they meet deadlines and maintain a high level of professionalism.” – Head of Marketing Communication, Insurance Company

  • 4
    $10,000+
    10 - 49 Employees
    Poltava Ukraine

    Owlab Inc. is a business-oriented software engineering company founded in 2012 with a team of 14 experts. The company is headquartered in Poltava, Ukraine. with a location in Tallinn, Estonia, one in Poltava, Ukraine, and another one in Moscow, Russia. They offer mobile app development, web development, and blockchain assistance to small business clients.

    Clients
    Citizen Cosmetics
    TenX
    Speakly
    Industries
    Notable Project

    A cosmetics company tasked Owlab Inc. to implement their software and services on their e-commerce platform while providing tweaks to their Shopify store. The company was able to reach their deadlines and Owlab Inc. quickly solved any bugs or issues throughout the process.

    "Their response time and ability to work with short timelines were impressive. Also, their ability to learn on the job about our needs and wants." - Chief Technology Officer, Cosmetics Company

  • 5
    $10,000+
    50 - 249 Employees
    Kharkiv Ukraine

    Founded in 2016, IdeaSoft.io is a software development firm that offers custom software development, blockchain, and web development services to their clients in the IT, business services, and education industries. Their 250 employees are based out of offices in New York, NY and Kharkov, Ukraine. .

    Clients
    Porsche
    Bittrex
    Securitize
    Neura
    Industries
    Notable Project

    IdeaSoft.io recently worked on web development for a broker company. They implemented a ranking system through a database they developed for that client.

    “The database is available to specific customers, and it’s going quite well.” — CEO, Broker Company

     

  • 6
    $25,000+
    50 - 249 Employees
    Kyiv Ukraine

    Unicsoft is a blockchain and artificial intelligence development company headquartered in Kyiv. Founded in 2005, the team of 120 experts specializes in blockchain, AI, big data, predictive analytics, cryptocurrency solutions, custom software development, web, and mobile development. They provide fully-managed and dedicated team services for the sustainable growth of SME and start-ups, primarily in the supply chain and fintech industries.

    Clients
    Hoodifood
    MakerDAO
    Executive Eye
    Goforit
    Industries
    Notable Project

    Unicsoft developed native Android and iOS applications for a network security startup. The end-clients are software developers and system administrators, and the startup needed sophisticated programming expertise. They produced technical specifications and integrated security features into the UX. The client reported that their technical expertise and communication skills exceeded their expectations.

    "Unicsoft was able to quickly work with us to define the necessary product and functionality and then dive in." - Founder, Security Startup

  • 7
    $10,000+
    10 - 49 Employees
    L'viv Ukraine

    Dapplica is a blockchain development company founded in San Francisco in 2018 with no more than 50 experts. They specialize in blockchain services, web development, and mobile app development solutions for both small and medium-sized companies.

    Clients
    WAX (Worldwide Asset eXchange)
    Prospectors.io
    Crypto Lions
    Industries
    Notable Project

    Dapplica provided various services for a blockchain company. Dapplica worked on various projects for the company, including design, development, and blockchain work. The company is happy with Dapplica’s quality of work.

    “Dapplica is an industry leader.” - Co-Founder, Blockchain Company

  • 8
    $5,000+
    10 - 49 Employees
    Kharkiv Ukraine

    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 completed multiple development projects for a PC software company. They worked including product API and development and database maintenance. Over time, the agency took on more projects for the client.

    "They’re very prompt, attentive and organized. They’re a very professional organization."  Product Marketing Manager, PC Software Company

  • 9
    Undisclosed
    50 - 249 Employees
    Dnipro Ukraine

    Apriorit is a software product engineering company founded in 2002 with offices in Dover, Del., and Budapest, Hungary. Apriorit boasts a team of more than 200 employees who are well-versed in custom software development, web development, and mobile app development. 

    Clients
    Fortune 500 security solution vendors
    Fortune 500 virtualization technology vendors
    SaaS solution providers (CRM
    HR
    Industries
    Notable Project

    Apriorit developed Android and iOS applications for a mobile security company and was later contracted for further development of Chrome extensions and Windows and Linux projects. Apriorit provided long-term technical support for all platforms. 

    "Their project managers have taken away many of the headaches associated with software development, and I’ve learned to trust that, if I require something from them, I will receive a reply and it will be done." — CEO, Mobile Security Company 

  • 10
    $10,000+
    50 - 249 Employees
    Odesa Ukraine

    482.solutions is a blockchain development and consulting firm that was founded in 2013. They employ 34 staff in their office in Odesa, Ukraine, where they provide innovated blockchain engineering for small and midmarket companies in fintech, energy, and e-government. Services include custom software development, security, and IoT development.

    Clients
    Ambrosus
    REMME
    Worldbiz
    Miralab
    Industries
    Notable Project

    482.solutions used an IBM Hyperledger Fabric model to create an identity management and authentication system powered by blockchain for an IT and services company. They also added innovative features on top of the existing framework. They impressed the client with their reliable communication, high-quality work, and expert advice.

    “They’re always very prepared. Before we started working with them, we had several meetings in which they brought a lot of materials, samples, case studies, and they always tell us what will be best for our business.” – CEO, IT & Services Company

  • 11
    $25,000+
    250 - 999 Employees
    Kyiv Ukraine

    Prime Holding JSC is a software development company founded in 2013. Based in Sofia, Bulgaria, their team of over 250 engineers services mostly midmarket and enterprise companies. They specialize in industries like financial services, IT, and business services. They offer custom software development, enterprise app modernization, and CRM consulting and SI services.

    Clients
    Blue Chip Companies
    Fortune 500 companies
    Startups and Scaleups from USA
    UK and Switzerland
    Industries
    Notable Project

    Prime Holding JSC provided web development and data migration services to an e-learning platform. The team created web applications that stream audio, video, and voice, using HTML5 and WebRTC. The team meets and exceeds expectations. 

    “Essentially, we have never had a situation where our team could not do what was needed within the timeframe that was needed.” — Chief of Innovation, E-Learning Platform

  • 12
    $10,000+
    50 - 249 Employees
    Kyiv Ukraine

    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

    4ire Labs was tasked with creating a mobile app for a document management company. The client wanted an app that would allow users to create and sign documents directly from their mobile phones in order to help their customers save time. 4ire Labs initially developed and launched an Android version of the app, and following its success, the client requested an iOS version. The client was impressed with the team at 4ire Labs' flexibility and communication skills throughout the project. 

    "4ire Labs really impressed me. I liked the flexibility and speed of their communication; they also have rockstars in design and usability." - CEO, Document Management 

  • 13
    $10,000+
    10 - 49 Employees
    Kyiv Ukraine

    Aegas is an IT-outsourcing company founded in 2017 with no more than 50 employees. They offer custom software, web, and mobile app development solutions from their office in Kyiv, Ukraine. They work with small businesses.

    Clients
    AWJ
    Industries
    Notable Project

    Aegas developed a website for an African safari tour. The site was built with a modern interface and had numerous features to educate users. The site has provided an overall better user experience than before.

    “I've been very impressed with the evolution of our partnership and the maturity of such a group of young and dedicated experts.” - Founder & Director, African Safari Tour

  • 14
    $10,000+
    50 - 249 Employees
    Zaporizhzhia Ukraine

    openGeeksLab is an IT development company of around 50 employees, established in 2015. Their headquarters is in Toronto, Canada, with a second location in Zaporizhzhia, Ukraine. They offer services in mobile app development, web development, and blockchain. They serve small, midmarket, and enterprise clients in the business, energy, financial, and healthcare industries.

    Clients
    the Hub
    Knok
    SolarHome
    Magra
    Industries
    Notable Project

    A sports services company hired openGeeksLab to develop an app targeting the golf industry. They developed the backend with Node.js and the frontend with React Native, Flux, and RxJS. This app tracks and records golf scores, statistics, real-time performance, geolocation, and social media sharing. The client saw high user flow and a 45% increase in profit.

    “They constantly strive for excellence, which sets them apart from other companies. They build highly-professional apps, provide unique solutions, and respond to tough time challenges.” – CEO, Sports Services Company
     

  • 15
    $10,000+
    10 - 49 Employees
    Kyiv Ukraine

    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 Harbor worked with a software company to provide ongoing support to the in-house development team. They have a proven track record of success with the client. 

    "We wouldn’t have continued working with Team Harbour if they weren’t doing a good job." – CEO, Software Company

     

  • 16
    $5,000+
    10 - 49 Employees
    Kyiv Ukraine

    Pharos Production Inc. is a software development company in Las Vegas and Kyiv, Ukraine. Founded in 2013, they have about 12 employees that serve mostly midmarket and small-business clients in the IT, financial, and telecommunications industries. Services include mobile app development, blockchain, and web development.

    Clients
    Evo
    Social Media Broadcaster
    Cashsmiths
    Kimlic
    Industries
    Notable Project

    Pharos Production Inc. provided software and blockchain development for a gambling tech company. Their team coded in Scala to execute integrations and handled frontend development. Their work received positive feedback and the client is pleased.

    “The team is responsive and communicative.” – CTO, Gambling Tech Company

  • 17
    $5,000+
    10 - 49 Employees
    Kyiv Ukraine

    Founded in 2018, Idealogic is a development firm headquartered in Kyiv, Ukraine with a team of 42. They specialize in development services including artificial intelligence, Blockchain, and app development. They work with small and mid market companies in the financial services, business services, and education industries. 

    Clients
    Fincloud
    UBeat Musical App
    HealthLife
    Industries
    Notable Project

    Idealogic partnered with a FinTech company to offer up development expertise and resources. They provided first-stage MVP design, web development, and branding application. While the project is currently ongoing, the client is impressed with the initial work.

    “Idealogic is timely, responding quickly to our requests. As the former CTO of a Ukrainian bank, their CEO is knowledgeable about finance and banking. His managers understood all the tasks we’ve given them.“ –– Co-Founder, FinTech Platform

  • 18
    $50,000+
    10 - 49 Employees
    Kyiv Ukraine

    INC4 is a software firm founded in 2013 with fewer than 50 members. They offer blockchain, custom software development, and web development solutions from their office in Kyiv, Ukraine. They work primarily with clients in the fields of financial and IT services as well as advertising.

    Clients
    JetHash
    Nextadnet
    SmartyAds
    Industries
    Notable Project

    INC4 developed a custom software solution for an advertising platform. INC4 also designed a UX/UI solution to complement the backend development. The platform enjoyed working with INC4.

    “INC4’s strongest suit is its expertise and experience in ad technology.” - VP of Partnership Integrations, Advertising Platform

  • 19
    $10,000+
    10 - 49 Employees
    L'viv Ukraine

    Redentu is a development agency based in Lviv, Ukraine and founded in 2014. It has about 12 employees. Redentu specializes in web development, UX/UI design, and mobile app development. They primarily work with small businesses and work with a variety of industries including business services, advertising, and consumer products.

    Clients
    Rexpax
    Ventcontrol
    RaceChip and a lot of Start-ups
    Industries
    Notable Project

    Redentu developed a new website for an event services software company. The company, which sells tickets, wanted to improve its client base. The client prides Redentu on their high-quality work.

    "Redentu helped us to improve our Google base on our public website, which is helpful for search engine optimization and Ad Words."- CTO, Event Services Company

  • 20
    $10,000+
    50 - 249 Employees
    Kharkiv 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
    Ambrosus
    Sally
    Monero Crypto
    Alignment
    Industries
    Notable Project

    Unit Space designed and developed an e-commerce platform for a retail company that sells pet products. They built the website on WordPress using a simple end-to-end process and used cutting-edge tools to maintain outstanding communication. The new site Unit Space delivered has empowered the client to expand their reach internationally.

    “Since Unit Space created a website site for our company, we’ve been able to start selling our products to customers in Europe, Russian, Ukraine, and beyond. Unit Space always answered my questions and fulfilled my requests without any issues. Our communication was the best I’ve experienced.” – CEO, Retail Company

  • 21
    $10,000+
    50 - 249 Employees
    Kyiv Ukraine

    TrendLine Global is a global software development, outstaffing and outsourcing company with offices in London; Frankfurt, Germany; Irvine, Calif.; and Kyiv, Ukraine. Founded in 2010, they have 40 employees specializing in hiring remote developers, web and mobile app development, blockchain technologies, and IT solutions. They work for small and midmarket companies in finance, IT, and business services.

    Clients
    TSI Analytics Inc.
    Skywire Technologies (Pty) Ltd
    Splynx
    NuTheorie
    Industries
    Notable Project

    TrendLine Global provided resources to build an e-commerce store for a telecommunications provider. They also helped design the UI/UX and implement SEO. The e-commerce store has launched and seen increased sales.

    “TrendLine Global's resources show expertise, diligence, and flexibility, as evidenced by their top-notch deliverables and ongoing support. As a result we’ve got sales increasing due to the well-performing e-commerce store.” – Director, Telecommunications Provider

  • 22
    $10,000+
    50 - 249 Employees
    Kyiv Ukraine

    Mangosoft is a software development agency founded in 2016. Based in Los Angeles, with an office in Kiev, Ukraine, the team of 43 specializes in mobile app development, web development, and IT strategy consulting. They primarily serve small business and mid-market clients in the eCommerce, financial services, and IT industries. 

    Clients
    Meethoneybee
    Liveraise
    Veggie Weekend
    Rage of Realms
    Industries
    Notable Project

    Mangosoft works on backend web development for a financial technology lending platform. The team augments the current in-house development team, helping mainly with backend work. They also work on APIs, frontend, database, and security, as needed. Overall, the client was impressed with the team's work. 

    "They always double check their work and make sure it’s done correctly. They don’t turn anything in that hasn’t been properly reviewed by their team." — CEO, Lending Platform

  • 23
    $5,000+
    50 - 249 Employees
    Kharkiv Ukraine

    Interactivated Ecommerce is an e-commerce development firm in Groningen, Netherlands; Kharkiv, Ukraine and Benalmádena, Spain. The firm specializes in e-commerce development and has a midsize team.The firm was founded in 2013.

    Industries
    Notable Project

    Interactivated Ecommerce was hired to take over a fashion company's website. Then, they were asked to develop a new Magento e-commerce site. The team now continues to update and maintain the platform. 

    "From the beginning of our collaboration, everything has been great."

  • 24
    $10,000+
    10 - 49 Employees
    Zaporizhzhia Ukraine

    CubeX-Ukraine is a software and applications solutions company based in Zaporizhia, Ukraine. Founded in 2017, they employ 21 staff who provide web, design and e-commerce solutions for various businesses. They also specialize in mobile app development, website design, and dashboard creation.

    Clients
    Bonzer
    Schedfast
    Hub Culture
    Flat Snapp
    Notable Project

    CubeX-Ukraine developed a web app and updated a Wordpress CMS platform for an IT consulting firm. They performed full stack development and integrated UX/UI features. The development exceeded expectations and the app has garnered an increase in users and overall sales for the client.

    “Their team was highly professional and timely throughout the project—they went beyond our expectations. Our client has observed an increase in sales and the number of their users on the platform. Their internal workflow has become easier too.” – CEO, IT Consulting Firm

  • 25
    $5,000+
    50 - 249 Employees
    Kyiv Ukraine

    Founded in 2005, Magnise is a development firm. Their team of around X employees is based in Kyiv, Ukraine. They focus on custom software, web, and mobile app development.

    Clients
    NASA
    Market Traders Institute
    Inc.
    CurrenEx
    Industries
    Notable Project

    Magnise developed a trading platform for a computer software company. The team built multiple versions of the platform, including a multi-broker version. Data shows that 88% of users see it as the best platform on the market.

    "We work almost a decade together and have created a product together, which brings a high value and a huge comfort for our customers." – CEO, Trading Platform

  • 26
    $25,000+
    50 - 249 Employees
    Kyiv Ukraine

    Openware SAS is a Paris-based software development firm that was founded in 2006. Their team of around 30 employees provides blockchain and custom software development services to mostly mid-market financial services and IT companies.

    Industries
    Notable Project

    Together with a blockchain market, Openware SAS created an exchange with a series of technologies. The client praised them for their technical competency and professionalism. 

    "They’re a proper software engineering firm." – Founder, Blockchain Marketplace

  • 27
    $10,000+
    10 - 49 Employees
    Kyiv Ukraine

    EvaCodes is a full-stack custom software development company based in Kyiv, Ukraine. The company, founded in 2019, has a team of more than ten that provides custom software development, web development, mobile app development, blockchain, and e-commerce development services. EvaCodes serves mid-market and small companies in various industries that include business services, financial services, and consumer products & services.

    Clients
    Dimo
    Nebeus
    Industries
    Notable Project

    A shop-builder startup hired EvaCodes to provide front end development for their mobile app and related websites. EvaCodes worked on the designs and the wireframe provided by the startup and developed them into a fully functional iOS app that connects to an external website. They completed the project and met the startup's expectations with their work. To date, the resulting app hasn't been launched yet, but feedback from initial user tests have been mostly positive.

    "We were very satisfied with the work of EvaCodes and plan to continue working with them in the future." - COO, Shop-Builder Startup 

  • 28
    $10,000+
    50 - 249 Employees
    Kyiv Ukraine

    Intellica is a custom software development company that was founded in 2015. They employ 80 staff across four offices in Bratislava, Slovakia; Zurich, Switzerland; Kyiv, Ukraine; and Vinnytsia, Ukraine. They work with startups and established businesses, providing specialist services in data analytics, data science, Blockchain & DLT apps development, and applications delivery for web, mobile and e-commerce.

    Clients
    Buzzmove
    Quadrotech
    Modum
    Alprockz
    Industries
    Notable Project

    Intellica developed several websites for a digital payment company by implementing several tools, including infographics and online calculators. Juggling multiple tasks, they proved to be capable and produced fulfilling final products. The websites appeal to users and have earned very positive feedback.

    “They were easy to communicate with throughout the project. We provided feedback along each step of the way and they made corrections accordingly. We’ve heard feedback that our sites are very modern and attractive. Users are really happy with how the platforms look.” – Founder, Digital Payment Company

  • 29
    $10,000+
    10 - 49 Employees
    Kyiv Ukraine

    Ukrlogika is an AI firm launched in 2014. Headquartered in Kharkiv, Ukraine, their small team focuses on Artificial Intelligence, mobile app development, custom software development, and web development.

    Industries
    Notable Project

    A payment platform hired Ukrlogika to rebrand their products and services. The team also redesigned the UI of the client's website and kiosks and created marketing content for their financial literacy programs.

    "Ukrlogika thinks out of the box and produces something valuable, even under pressure."

  • 30
    $10,000+
    10 - 49 Employees
    Kyiv Ukraine

    Founded in 2018, CML Team LTD is a software development firm that offers custom software development, web development, and blockchain services to their clients. Their 50 employees are based out of offices in London and Kyiv.

    Clients
    CryptoTax.io
    CryptoMinerWorld.com
    Xamoom.com
    PartyBunny
    Industries
    Notable Project

    CLM Team LTD recently worked on front-end development for a broker office. They created a back-office system to improve solution processes for that client.

    “Having a fully-functional back office system was vital for providing brokerage solutions to our clients.” — COO, Broker Office

     

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