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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

Straight talk and smart execution for leaders making critical technology decisions. We combine technology expertise with sharp business thinking to build software solutions that last.

Since 2013, Relevant Software has been delivering tailored software development solutions across diverse sectors such as fintech, healthcare, and construction, partnering with mid-sized businesses and large enterprises, including those in the Fortune 500. We also help our clients gain a competitive advantage, reach new markets, and enhance operational efficiency through innovative technologies such as IoT, machine learning, and AI.  With self-sufficient teams and timely delivery, we provide end-to-end software development solutions that solve complex challenges, ensuring your business stays efficient, competitive, and always relevant.  10+ years of software development excellence. 200+ projects across diverse industries. 150+ dedicated software engineers. 92% of the team are senior and middle-level engineers. 97% client retention for new projects and support. 80% employee retention with a 5-year average tenure.

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.

CallChecker is an AI-powered call analytics platform designed to give businesses complete control over their call-based operations. Whether you’re managing a call center, sales team, or customer support department, CallChecker helps you monitor 100% of your calls, surface valuable insights, and make data-driven decisions that drive growth. We don’t just help teams hear what’s being said — we help them understand what it means. What sets us apart:► Analyze every call (not just a sample) to ensure total visibility► Cut costs by 10x by automating manual quality control processes► Transform agent training and coaching with fast, AI-backed feedback► Ensure rule compliance through AI-enhanced script tracking► Enable faster onboarding and smarter development decisionsWith multilingual support and rapid setup, CallChecker is the go-to solution for teams looking to scale quality, not just volume.

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.

At CodeIT, we accelerate digital transformation through cutting-edge software product development. Our team of early technology adopters and rockstar innovators delivers top-quality solutions for businesses worldwide. We believe in fostering a global community of skilled developers eager to tackle complex software projects. By adopting emerging technologies and championing innovative approaches, CodeIT helps shape the future of the tech industry.

Product development company that drives growth COAX has been transforming bold concepts into market-ready products for 14 years. Our team offers full-cycle development services for startups and established businesses in B2B and B2C markets. WHAT WE DO Product discovery and strategy development Fast and scalable MVP development Implementation of complex cloud solutions AI/ML integration and custom model development Product-as-a-Service Seamless API integrations IoT integrations of any complexity Bespoke web, mobile, and cross-platform development Legacy software modernization and reengineering User-centered and sustainable UI/UX design Comprehensive quality assurance and testing automation DevOps and Site Reliability Engineering (SRE) IT consulting and ongoing post-launch support Digital marketing We're all about delivering excellence, and we do it fast. More than just development – we offer deep commitment, expertise, and community support. We drive growth through technology, helping our clients find shortcuts they never thought of – and win user hearts with optimal solutions. INDUSTRIES WE KNOW BEST ✓ Travel & hospitality ✓ Ecommerce ✓ Finance ✓ Transport & logistics ✓ Real estate & construction ✓ Health & fitness We build lasting partnerships, earning your trust with tangible results. That's why we choose to focus on several niches instead of trying to be Jack of all trades – and it pays off with in-depth expertise and ability to deliver exceptional solutions. WHY CHOOSE COAX ➊ A team adjusting to your schedule and needs ➋ Guaranteed data protection ➌ Skilled engineers with a holistic approach to development ➍ Efficient and transparent processes ➎ Expertise in your niche Need a hand with developing software solution that hits the spot?

Founded in 2018 in Geneva, Switzerland, Software Service & Innovation (SSI) has grown from a small startup to a recognized provider of IT services. We specialize in bespoke software development, complex IT solutions, and cutting-edge digital transformation, delivering Swiss-quality precision and result-driven solutions to businesses of all sizes. Our expert team is committed to clarity, quality, and responsibility, ensuring that every project we undertake is executed with technical excellence and innovation. Whether you need custom software, cloud solutions, or DevOps expertise, SSI delivers tailored, high-performance solutions designed to maximize your business potential.  Partner with SSI for innovation, reliability, and success in your digital journey! 🚀

We are a dedicated team of IT professionals based in Ukraine, with over 3 years of experience in providing innovative technology solutions to businesses worldwide. Our journey began with a passion for harnessing the power of technology to drive progress and streamline operations for our clients. Today, we are proud to be a trusted partner to organizations across industries, delivering cutting-edge software solutions and IT services that make a difference. What We Do Best:Custom Software Development: We specialize in building bespoke software tailored to your unique needs, ensuring seamless integration with your business processes. Web & Mobile Development: Our team creates high-performance, user-friendly websites and mobile applications that provide exceptional experiences for your customers. IT Consulting & Strategy: Leveraging our deep industry knowledge, we guide in selecting the right technologies, developing efficient IT strategies, and optimizing existing systems. At FixIT, we are driven by a relentless commitment to excellence and a passion for helping our clients succeed in a rapidly evolving digital landscape. Our team is dedicated to staying ahead of the curve, continuously learning, and adapting to new technologies to ensure we provide solutions that drive lasting success.  

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.

For more than 10 years, URich has been specializing in developing complex websites, and user-friendly and attractive mobile applications that fully meet the expectations of its customers. We have rethought the company's vision and mission in these turbulent times. The company has focused on custom development of complex e-commerce systems, warehouse accounting systems, and ERP systems for process automation using a modern technology stack. We are also a partner of Shopify in developing themes and applications for this system. Trust is key when it comes to choosing a partner for your project. We understand that, which is why we're proud to say that we've successfully delivered over 300 projects for clients in 35+ countries. The secret of our success lies in the collective efforts of a team that values honesty, hard work, professionalism, and communication skills.