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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!"

Software engineering and IT consulting Yalantis is a distinguished software engineering and IT consulting company with over 15 years of experience, boasting ISO 9001, ISO 27701, ISO/IEC 27001 and AWS certifications. With a network of development centers spread across Europe and a team of over 500 highly qualified experts, we are well-equipped to deliver exceptional solutions. Our esteemed clientele includes industry leaders such as Toyota Tsusho, Bosch, Zillow, KPMG, Google X, RAKwireless, Orbis Systems, and Healthfully. Our expertise spans IoT, AI and ML, BI and Analytics, Big Data, Data science, Cloud & DevOps, Cybersecurity, Performance engineering, RPA, Low code solutions, UI and UX design, Edge computing, and more. We cater to a diverse range of industries, including Energy and resources, Fintech, Healthcare, ISVs, Logistics, Manufacturing, Real estate, and Automotive. Our comprehensive suite of solutions encompasses SaaS development, end-to-end business solutions, digital transformation, mobile software products, communication tools, and blockchain integration.

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.  

FIVE provides services in the following technological directions:Cloud servers and servicesDesktop applicationsWeb applications and websitesMobile applicationsEmbedded developmentWe have only happy customers! We have successfully completed every project FIVE engineers have been working on!We don't charge for management, all of our invoices include only technical hours. We propose architecture and project analysis for free!We know how to build efficient team and can find great talets to empower your business.

APOM Solutions — IT company customizes and support Software Development Teams and R&D centers in Ukraine. Mainly provides outstaff & outsource services to their clients. We connect clients from all over the world with experienced developers. We create and unite the most powerful international teams.

Mirko Solutions is a software development company providing web and mobile development. Mirko can enhance your processes by implementing custom product design, quality assurance, and consulting services, ensuring that your solutions are tailored to meet your specific needs. With our expertise, your business can streamline operations and achieve greater efficiency.

Virtido - Empowering your ideas. We are Virtido, an innovative, Swiss-based business process outsourcing and IT company. We realize your ideas and projects - from strategic concept to technical implementation. We deliver turnkey custom made software in close collaboration (agile development) with our clients – we provide the full project team from architecture over UI/UK, coding, DevOps, QA to project management, Our own nearshoring-platform allows you a cost-effective execution.

ORIL is a custom software development company established in 2015 with an R&D Center in Lviv and Headquarters in the US. The company specializes in PropTech and also develops technology solutions for various industries, including FinTech, IoT, HealthTech, Marketplaces, and Transportation & Automotive. By focusing on understanding and addressing the needs of each client, we have earned the trust of over 50 companies, making us a reliable partner. Our services include:– Product Strategy Consulting– UI/UX Design– Product Development– Digital Transformation– Salesforce Development– AI EnablementWith over 9 years of experience in web and app development, ORIL has successfully delivered business solutions to clients worldwide. From product strategy and design to implementation and scaling, we offer full-cycle software development. We create web and mobile applications, as well as complex custom platforms, designed to boost user engagement and meet industry demands. We also support organizations in their digital transformation, enhancing operational efficiency and strengthening their market presence.   

Exoft is a custom software development company headquartered in Ukraine with over a decade of experience providing software solutions to clients worldwide. To date, we have successfully completed more than 500 projects for clients within industries such as Healthcare, Logistics, Mobility, Finance, Travel & Hospitality, Construction, etc.  Exoft dedication to customer satisfaction is reflected in the impressive 95% customer satisfaction rate. As a reputable software engineering company, Exoft is a reliable partner for businesses seeking innovative software solutions.  

We treat customer projects as our ventures SPsoft is a Managed Services Provider specializing in end-to-end software development and providing top engineering teams for various aspects of software lifecycle management. Our health-tech and medical device clients recognize SPSoft as their trusted technology partner and advisor with deep experience in HIPAA compliant products and custom solutions development. Our experience includes: healthcare big data visualization, claims processing, SaaS platforms covering patient-payer-provider interactions, telemedicine solutions, patient-provider scheduling solutions with numerous EHR systems integrations, cloud migration, solutions for biotech, clinical trial processes automation, medical device software, machine learning, chatbot/smart assistant, RPA, blockchain, and automated testing solutions. We deliver value to our customers by getting them to the top of leaderboards in their product market niches, optimizing our clients' users' experience, increasing the LTV of our client’s users, and accelerating our clients' product roadmaps. We treat customer projects as our ventures — we do what is best for our clients' business, not what is most profitable for us in the short term.

Euristiq is a global software development company, specializing in innovative digital solutions. As an AWS partner and ISO 27001 certified provider, we ensure the highest standards of security and excellence. We build long-term relationships that benefit our customers, and empower them to break grounds in their industries.  Our expertise focuses on providing practical tech solutions that help businesses work smarter and grow. We specialize in legacy systems modernization, improving performance, security, and compatibility with today’s digital tools, so you’re always ready for the future. With cloud computing, we create flexible, secure systems that scale as your business expands, helping you manage your resources efficiently. Our data management and analytics services turn complex data into clear insights, making it easier to understand your business and identify growth opportunities. We connect devices through IoT to streamline operations and provide real-time insights, so you can make better decisions faster.  We deliver for:- Ryanair, the Europe's largest airline. We modernized a critical application serving over 3 million daily users, enhancing performance and user experience. - Gen Digital, joint Norton and Avast company. We developed a secure, real-time document verification system, streamlining identity authentication processes for Canadian and U. S. Governments. - Philips, electronics manufacturing corporation. We engineered an intelligent, adaptive street lighting control system, advancing smart city initiatives.