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Leobit is a full-cycle . NET, AI, and web application development provider for technology companies and startups primarily located in the US, EU, and the UK. We have representative offices in Austin, TX (USA), Tallinn (Estonia), Kraków (Poland), London (UK) and the development center in Lviv (Ukraine) with 170+ talented software engineers, architects, QA experts, and UI/UX designers. Our Achievements:Microsoft Solutions Partner - Digital & App InnovationISO 9001:2015 and ISO 27001:2022 CertifiedISTQB Gold PartnerTop . NET Developers in 2025 by ClutchCustomer Service Department of the Year in 2025 by Stevie® AwardsLeobit has successfully delivered over 150 well-designed and well-factored web & mobile applications to technology companies ranging from Fortune 500 firms to Silicon Valley startups. Our Services:. NET software developmentAI/LLM software developmentCustom software developmentDedicated development teamWeb app developmentMobile app developmentCloud developmentSoftware architecture designUI/UX designBusiness analysisQuality assuranceApp support & maintenanceTechnology consultingOur Key Technologies:Microsoft Stack: . NET, ASP. NET, C#, Azure, WCF, Entity Framework, MaUI, BlazorWeb/Frontend: React, Angular, Vue, jQuery, TypeScriptBackend: . NET Core/C#, Ruby, Node, PHP, PythonMobile Technology Stack: iOS, Android, Flutter, Swift, KotlinAI integration

Coderfy, a bespoke software development company, specializes in crafting tailored solutions for diverse industries, including web and software development, quality assurance, UI/UX design, and advanced ChatGPT chatbots. Based in Ukraine, USA, and the UK, we provide cost-effective and timely solutions, seamlessly executing projects aligned with your strategic goals. Experienced in: Custom Software Development🚀💻: We create scalable, robust, and tailor-made software solutions that drive efficiency and growth for businesses of all sizes. Web Design and Development🎨🌐: Our team of expert designers and developers craft stunning websites and web applications that leave a lasting impression on users while delivering exceptional functionality. Mobile App Development📱✨: We excel in developing feature-rich mobile apps that cater to diverse platforms, ensuring seamless user experiences. IT Consulting🤝🔍: Our seasoned consultants provide strategic guidance to help clients leverage technology for competitive advantage, offering insights that align IT with business goals. Custom ChatGPT chatbots🤖💬. Leveraging OpenAI's advanced language models, we design and develop custom ChatGPT chatbots that enhance customer engagement, streamline operations, and provide valuable assistance on your website in 24 hours. Stack Programming Languages📝💻: JavaScript, TypeScript, PHP Frontend🖼️🌐: React, Angular, Next. js, Nuxt. js, Vue. js, HTML/CSS/JS + JQuery, Bootstrap, Tailwind, yii2 Mobile App Development📱🚀: React Native, Flutter Backend⚙️🔧: Node. js, Express. js, Nest. js Databases🗃️🔍: MySQL, MongoDB, Redis, Firebase DevOps and Repositories🛠️🔄: Linux Repositories, Docker, Kubernetes, CI/CD, Git, Gitlab, Github Other Technologies🌐🔧: Nginx, Strapi, Sendgrid, Postman, Twilio, REST API, WebSocket Choose Coderfy for a customized approach to software development that's "Half the price & Faster twice!"

Beskyd Com is a company that has been implementing innovative financial technologies in Ukrainian banking institutions since 2003. Our solutions for electronic banking using local bank cards were widely used even before the entry into the Ukrainian market of such giants as Visa and Mastercard and worked in the National Bank of Ukraine, JSC Oschadbank, Privatbank, and a number of other banks in Ukraine and Moldova. Today, we proudly provide 24/7 operation of the SBON+ platform at JSC Oschadbank, which accepts and processes more than 25% of all utility, budget, and other payments in cash and non-cash form in Ukraine. Since 2019, we have been providing a full range of IT outsourcing and outstaffing services, helping companies effectively develop, maintain, and modernize their software solutions. We involve our specialists at all stages of the development life cycle — from design to implementation and support. Our solutions already support real business processes in the seaport of Senegal, the  bike-sharing system, and the railway infrastructure of Ireland. For five years, we have specialized in developing distributed Web3 applications for DeFi projects based on leading blockchains such as Solana, NEAR Protocol, and others. We integrate artificial intelligence into decentralized applications (dApps), create AI bots to automate complex business processes, and develop smart contracts of any complexity — from MVP prototypes to scalable and reliable systems.

Blackthorn Vision is a software development company that specializes in creating custom solutions to meet any business needs. Founded by a team of experienced engineers, we’ve been providing our services since 2009. We are dedicated to helping companies bring their ideas to life and embrace innovations. Our team is focused on delivering quality products and supporting clients at every stage of their project’s lifecycle – from product discovery to implementation to post-launch optimization. Blackthorn Vision is there when you need us most. Reach out today and start making your vision a reality tomorrow!

Since 1999, UST has collaborated with the world's leading companies, creating a powerful impact through transformation. Our digital solutions, proprietary platforms, engineering expertise, R&D, and innovation ecosystem transform key challenges into impactful, disruptive solutions. With deep industry knowledge and a future-ready approach, we bring expertise, innovation, and agility to our clients’ organizations—delivering measurable value and driving positive, lasting change for them, their customers, and communities worldwide. In 2022, UST expanded its presence in Eastern Europe by acquiring the Ukrainian outsourcing company ITernal Group, marking its first office in Ukraine. This acquisition strengthened UST’s position in the Ukrainian market and contributed to the development of the local IT ecosystem. (inventure. com. ua).  In 2024, UST further expanded its SAP partnership into the Ukrainian market in the Sell and Service areas, achieving Silver partnership status.  Together, with 30,000+ employees across 30+ countries, we build for boundless impact—touching billions of lives in the process. For more insights, watch this discussion.  

You’ve got the strategy. We turn it into working solutions. For 20+ years, Sigma Software has worked with Fortune 500 companies, global vendors and technology start-ups. Our mission is to help innovation leaders move critical initiatives forward by aligning teams, systems, and priorities. With 1,800 engineers in AI, data, cloud, embedded, and cybersecurity, we deliver solutions that scale and last, with ISO-certified quality, security, and compliance embedded from day one. Strategic Initiatives we support:AI Adoption – use AI where it brings tangible value, starting from first pilots and scaling to wider use. Digital Product Innovation – create new software or add digital layers to existing products and services, built with security and compliance in mind. Experience Design – shape journeys across apps and portals so users reach the right outcomes with less friction. Regulatory Compliance – navigating the regulatory landscape complexity and translating standards into working processes for audit-ready operations. Operational Efficiency – replace slow or manual work with modern, automated solutions that cut cost and effort. Managed Services – ensure stability, security, and uptime without draining internal teams. Our work goes beyond solution delivery. Sigma Software Labs works with startups to shape and test new ideas. Sigma Software University not only grows future engineers but also helps our clients build internal capabilities through tailored literacy programs and training. Our R&D teams experiment with emerging technologies early, so when they become relevant, our clients can adopt them faster and with less risk. Together, this cycle of delivery, learning, and exploration makes us better partners and strengthens the outcomes we deliver.

Linkos Group is a leading Ukrainian IT company, specializing in developing innovative digital solutions tailored for business automation needs.  For over 25 years, Linkos Group has created IT products in e-reporting and e-document management, widely used by accounting professionals and businesses across the country.  Linkos Group product line: ⬢ Medoc is a program for e-document management and e-reporting. Winner of the international competition-festival of the best goods and services: "Choice of the Year 2019" and "Choice of the Year 2020" in the nomination "Commercial Program of the Year for Reporting and Electronic Document Management". Ukraine’s leading e-reporting and e-document management software, trusted for 25+ years. All reports, invoices, acts, and contracts in one platform, with iXBRL and SAF-T UA solutions.  ⬢ SOTA is a web service for e-reporting, tax invoices, contracts, and receipts with browser-based, secure workflows. Submit reports, sign documents, and register receipts. Includes a mobile solution for electronic consignment notes for all transportation participants.  ⬢ Cashalot is an all-in-one solution that integrates software-based cash registers, warehouse accounting, and comprehensive analytics for both cash registers and cashiers. Recognized as the best technological solution (The SUP — Union of Ukrainian Entrepreneurs — 2023 Award).  ⬢ CloudKey is a secure cloud-based electronic signature, provided and safely stored by the Key Certification Centre “Ukraine”. Sign documents anywhere, without being tied to specific hardware. Integrates seamlessly with popular software and e-services for citizens. ⬢ Linkos ERP is a next-gen ERP for efficient governance and operations. A flexible, service-oriented platform featuring low-code/no-code, AI agents, and operational analytics for accounting, finance, logistics, and HR. Scalable, secure, and compliant. ⬢ ISpro is a global ERP software package designated to automate accounting and management at enterprises and budgetary institutions.  ⬢ FlyDoc is a service for direct exchange of primary documents with counterparties from the accounting system.  ⬢ PTAH is a platform that provides roaming of electronic documents between different platforms.

Together, Beyond Expectations. With nearly two decades of experience on the global IT market, CHI Software is your go-to provider of AI solutions, bringing a real difference to businesses. We create intelligent virtual assistants that boost customer engagement, optimize workflows, and improve overall business performance even with minimum budgets. CHI Software offers full-cycle chatbot development, from conceptualization and design to implementation and ongoing support. In our work, we apply natural language processing (NLP), machine learning, and deep learning, ensuring our solutions are scalable and can be integrated with various platforms like websites, mobile apps, and social media channels. Our team takes a personalized approach to each project, delivering solutions tailored to specific business goals. Our extensive experience with AI, alongside our commitment to innovation, enables us to create chatbots that not only meet but exceed expectations. Partner with CHI Software to experience the full potential of AI chatbot technology (it’s huge!) and stay ahead in the rapidly evolving digital landscape.

Geniusee is a software development company that creates unique software products.  Founded in 2017 in Kyiv, the company has gathered 200+ geniuses who have implemented more than 180 projects in FinTech, EdTech, AI, and other industries. Our clients range from huge market players such as Dell and Bloomberg to mid-sized businesses and startups that are backed by Andreessen Horowitz, TechStars, and YC. We provide full-cycle software development, tech and business consulting, and support for our clients at all stages of development. Geniusee is a certified AWS Consulting and AWS Advanced Tier Service Partner with AWS Lambda Service Delivery Designation and AWS Education Services Competency. Among significant achievements that prove the high quality of Geniusee services are Certificates: ISO 9001:2015 - Quality Management and ISO 27001 - Information Security Management. What we offer:- Discovery Phase for detailed product scoping in 2-3 weeks- Web/mobile product development`- MVP for startups and businesses in 2-3 months- Complex cloud solutions implementation based on Amazon Web Services, Google Cloud, Azure- AI staff augmentation services- CTO as a service at all stages of development- Dedicated teams with proven expertise & certifications- User-centered product design by UI/UX experts- Data science: proof of concept (POC) based on analytics & modeling- Product maintenance and support services- Legacy reengineering service Our expertise includes:- Serverless Architecture- Frontend development based on React and Vue. js- Backend development based on Node. js, Python, . NET, Java, and PHP- Mobile development based on ReactNative, Swift, and Kotlin- Amazon Web Services- Business Analysis- Data Science, AI & ML- DevOps Engineering- UI/UX Design- Automation and manual quality control and assuranceLook no further! Innovate, Accelerate, and Thrive together with the Geniusee team!

StartupSoft is a trusted partner for augmenting your in-house team with remote, top-tier software engineers, including those specializing in AI/ML. Working with startups and Fortune 10 corporations, we ensure the perfect cultural & technical fit, and handle all the back-office management, so you can focus on what matters.

For over 10 years, we’ve helped startups and enterprises worldwide digitalize their processes, launch successful products, and scale with confidence. We build with the latest technologies—React, React Native, GraphQL, TypeScript, and Node. js— to deliver applications that are stable, scalable, and future-ready.  Industries & business domains we serveManufacturing, Facility management, Logistics & supply chain management, Fintech, Human capital, B2B solutions, Healthcare, ESG & sustainability, E-commerce, Productivity & task management.  Trusted by global brandsHive – Project management tool used by thousands of teamsA. Anthony Corp – Enterprise facility management platformSYNTHO – Music platform that reached $700K in revenue in 2024Multi App – Fintech app with 100K+ downloadsPiraeus Bank Ukraine What we do best🚀 Dedicated teams & engineers – Experts who integrate seamlessly with your workflow🛠️ Full-cycle product development – From strategy and design to launch and support⚡ MVP development – Rapid, market-ready solutions to test and scale your idea✅ Quality assurance & testing – Reliable, bug-free performance every time🎨 UX/UI design – Intuitive interfaces that delight usersOur mission is simple: deliver products that our clients are proud of — and that their customers love.

Where science and technology work for you. At Abto Software, we harness the power of cutting-edge technologies to deliver custom solutions tailored to your business needs. As a Microsoft Gold Certified Partner, we specialize in areas like . NET development, AI and machine learning, cloud solutions, mobile and web development, and legacy system modernization. Since 2007, our team has successfully delivered over 50 enterprise-level projects across industries such as healthcare, retail, FinTech, energy, and government. Our expertise spans from building scalable cloud-native applications to deploying AI-powered tools that streamline operations and enhance decision-making. Key achievements include crafting healthcare platforms that improve patient outcomes, developing AI-driven recommendation engines for retail, and migrating legacy ERP systems to modern architectures. What sets us apart is our client-first approach—we listen, collaborate, and deliver solutions that drive measurable results. Whether you're a startup or an established enterprise, we ensure transparency, flexibility, and technical excellence in every project. Let us transform your vision into reality. Partner with Abto Software to elevate your business through innovative technology.