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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

Achieve Unparalleled Business Success with Customized Web | Mobile | AI SolutionsFounded in 2015 by a visionary team of 15 strategists, Requestum has grown into a dynamic community of experts dedicated to reshaping the digital landscape and transforming bold ideas into powerful solutions. Today, we boast a team of over 100 professionals, working with clients in 20 countries on 50+ diverse products, earning industry recognition. What Sets Us Apart?Results-Oriented Solutions – We develop future-ready solutions that address critical business challenges and drive measurable success. Strategic Approach & Innovation – Our team applies analytical thinking at every stage, ensuring optimal development efficiency and effectiveness. Uncompromising Quality – We adhere to rigorous standards, delivering reliable, high-performance software that exceeds client expectations.

Techstack company is an international strategic technology partner with strong Ukrainian roots, delivering comprehensive digital transformation services worldwide. We unite nearly 200 experts across borders, combining staffing, engineering, and optimization services into one powerful offering. With over a decade of excellence, we’ve become a trusted partner for global businesses — 30% of which are $1B+ enterprises — delivering full-stack teams and empowering software engineering leaders. Rooted in our Ukrainian engineering heritage and strengthened by our international presence, Techstack unites the best of Eastern European technical excellence with global business practices, making us a partner capable of both precision in execution and vision in strategy. 💫 The Techstack Difference
Strategic Partnership:- Engineering with product ownership, aligned with your goals- Strong technical leadership and proactive delivery planning- Long-term scalability built into every architectureProfessional Excellence:- Senior-level expertise across all technologies- Cross-functional teams with diverse skill sets- Proficiency with modern tech stacksTransparent Communication: - Regular updates and detailed reporting- Direct access to your dedicated team- Clear project roadmaps & milestone trackingQuality-First Approach:- Rigorous code reviews and comprehensive testing protocols- Strict coding standards adherence- Industry best practices in every deliveryBusiness Value Focus:- Transparent pricing with no hidden fees- Resource optimization strategies- Value-driven development aligned with your goals- Scalable architecture design- User-centric development methodologyModern Technical Capabilities: - Cloud-native solutions- AI & ML integration|- Automated workflows- Agile methodology- Advanced DevOps practicesWe align with your product and business strategy, bring disciplined engineering practices, and build solutions designed for scalability, resilience, and long-term growth. Let’s build something that lasts! 

We build products that make money

About Servus Systems Integration LLCServus Systems Integration LLC (SSI) is your trusted partner for seamless payment processing solutions. With over 20 years of experience in the payment industry, we empower businesses of all sizes to accept payments effortlessly across various POS terminals. Our team of experts leverages this deep understanding to develop and implement robust, brand-agnostic payment solutions. This translates to:Flexibility: Integrate seamlessly with any POS terminal you use, regardless of the brand. Proven Success: Backed by dozens of successful installations, our solutions are reliable and efficient. Peace of Mind: Benefit from our extensive industry knowledge and a team dedicated to your success. We understand that every business has unique needs. That's why we take a personalized approach, tailoring our payment solutions to perfectly integrate with your existing systems and workflows. Ready to streamline your payment processing and unlock new growth opportunities? Contact Servus Systems Integration today!Компанія Servus Systems Integration LLC (SSI) — ваш надійний партнер з питань інтеграції безпроблемних рішень для обробки платежів. Завдяки понад 20-річному досвіду роботи в платіжній індустрії, ми допомагаємо підприємствам будь-якого масштабу легко приймати платежі на різних POS-терміналах. Наша команда експертів використовує ці глибокі знання для розробки та впровадження надійних універсальних платіжних рішень. Це означає:Гнучкість: Безпроблемна інтеграція з будь-яким POS-терміналом, незалежно від бренду. Доведена успішність: Наші рішення, підтверджені десятками успішних інсталяцій, є надійними та ефективними. Спокій: Скористайтеся нашими глибокими знаннями галузі та командою, яка прагне вашого успіху. Ми розуміємо, що кожен бізнес має унікальні потреби. Саме тому ми використовуємо персоналізований підхід, адаптуючи наші платіжні рішення для ідеальної інтеграції з вашими існуючими системами та робочими процесами. Готові оптимізувати обробку платежів та відкрити нові можливості для зростання? Зверніться до Servus Systems Integration вже сьогодні!

Our teams work best as single product engineering units, with goals such as growing an MVP towards product-market-fit, scaling technically and product-wise, or acting as R&D teams within larger companies building product MVPs or pivoting. WHY REBBIX TEAMS ARE EFFECTIVEStrong engineering managersTrack record in building successful online marketplaces and travel productsCo-located teamsResults-oriented cultureOUR EXPERTISEEngineering managementSoftware developmentGrowth & SEOProduct designProduct managementSRE & DevOpsData Analytics

EDUTAINMENT APPS MADE BY PARENTS Bini Games was started in 2012 by four parents with 9 years of experience in children's education. Now it's a big team of designers, artists, animators and developers, inspired by the idea of bringing fun into early education. MISSION We believe that love of learning is natural for kids. We want to change the boring conventional approach to kids' education and help them preserve natural curiosity and joy of learning.

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!"

OUR GOAL IS TO CREATE AND IMPLEMENT A DIGITALISATION CULTURE IN AGRI COMPANIES TO IMPROVE OPERATIONAL EFFICIENCYIT-Company Agrichain was founded in 2017 by Victor Ivanchik, CEO of agro-industrial holding Astarta-Kyiv. IT-Company Agrichain was founded in 2017 by Victor Ivanchik, CEO of agro-industrial holding Astarta-Kyiv. AgriChain is an inHouse IT company in a high-tech, innovative holding focusing on the complete digitalization of processes and tools of management - Astarta-Kyiv. AgriChain is an agrochain. Our philosophy and the main goal are laid In the name of the company - "the creation of a comprehensive software product for agribusiness management, which will become the standard for the agricultural industry". AgriChain is a team of agrarians and IT experts who have come together for the primary purpose. Through continuous analysis, market, and technological research, we create and implement effective tools for managing agricultural production processes. Already today, AgriChain solutions have helped many agribusinesses: - to organize quality land bank management, production processes, and the condition of the crops - automate and expedite workflow - Reduce production costs - optimize logistics and storage processes - to create operational reporting, and this is just the beginning of the way to our goal.

Expert design & development team to create top-notch 💫 product experience. Since 2016 we’ve created 90+ projects for startups and businesses worldwide. Our work has global 🏆 awards and is loved by hundreds of thousands of people 🌎We deliver the best product experience by blending three key areas of expertise: product♟️ strategy, user-centric🧍design, and 🛠️ custom development.

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.

GreenM Delivers Secure AI Solutions Tailored to the Healthcare Industry. Our deep healthcare analytics expertise and AI development capabilities, combined with a collaborative approach, enable our customers to implement AI-driven solutions in just 4 weeks. Bring your AI vision to life — with no need for internal expertise!