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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

We engineer software with Radical Efficiency. Radency provides full-cycle development services covering every aspect of building digital products. The solutions we engineer range from customer-facing mobile apps, to complex web applications. Here’s what our clients appreciate the most about Radency: ✔️ Engineers selected from hundreds. Radency engineers go through rigorous selection and our competitive in-house training and certification program. ✔️ Result Focused, not Hours Focused. We achieve maximum efficiency through expert development and a reliable process of continuous iteration and communication. ✔️Dedicated product teams. We build an expert team around each project. The team is solely committed to one product and works directly with a client over a long-term period. Services we provide: - Custom Software Development (Web & Mobile) - Team extension & IT Staff Augmentation - UI/UX Design - Quality Assurance

CodeGeeks Solutions is a software development company led by top-notch experts with over 15 years of experience in the industry. We are passionate about delivering innovative solutions, combining technical excellence with a deep understanding of our clients’ industries. From startups to enterprises, we’ve helped numerous businesses automate workflows, optimize processes, and enhance user experiences. With expertise in AI and SaaS development, we help companies streamline operations, boost efficiency, and drive growth. Our services include mobile and web app design, custom software and AI development. At CodeGeeks, transparency, collaboration, and a customer-centric approach drive every project.  

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.

Reenbit is a сlient-focused software development company based in Eastern Europe. We stand out from the crowd because we're a solution partner ready to take customer challenges head on. We propose profound technical expertise and can work within any models that fit our client's needs, offering a dedicated team approach or staff augmentation. Our core specialities are software development and cloud consulting. Additionally, we offer mobile development, quality assurance, business analysis and business intelligence services. Cloud engineering services:Cloud consultingCloud developmentData engineeringSecurityDevOps maintenance and supportSoftware development services: Web developmentBack-end developmentFront-end developmentSaaS developmentDatabase consultingPOC, MVP, Prototype improvementWe are experts in the following technologies and tools:. NET: . NET Framework, . NET CORE, . NET 5/6, ASP. NET/CORE/MVC/Web Forms, Razor, Blazor, Entity Framework/Core, Web API, Roslyn. Azure: App Services, Function Apps, Logic Apps, Virtual Networks, Application gateways, Storage Accounts, Notification Hub, SignalR, Azure SQL, SQL Elastic pools, Data Factory, Event Hub, API Management, Service Bus, Azure Active Directory, Key Vault, Application Insights, Azure Cosmos DB, ARM Templates. Database: MS SQL, MySQL, PostgreSQL, Maria DB, Mongo DB, Cosmos DB, Azure Table Storage,  Redis DB, Azure Data Factory. Data Engineering: Power BI, Azure Data Factory, Azure Data Lake. CI/CD: Azure DevOps, Docker, Kubernetes, Github Actions, Jenkins. Cross-platform mobile development: React Native, Ionic. WEB: Angular, React, Node. js. Reenbit. Superior technical solution delivery to businesses on the verge of transformation.

Emotion is a boutique digital studio that creates websites and web app designed to elicit strong emotional responses while delivering a seamless user experience. We design and develop interfaces, create concepts for digital products, and bring them to life. Our projects prioritize aesthetics, current technologies, and human-centric marketing. Our Services:Website (App) Design & Development: Promo sites, corporate platforms, multi-page websites, and e-commerce solutions with modern CMS and features. Digital Automation: Integration of analytics, CRMs, payment systems, and AI tools to streamline your business processes.  We offer tailored solutions to meet your goals and help your business grow. Let's explore how we can help you achieve your business objectives through exceptional web design, intuitive user interfaces, and strategic digital marketing! 

We develop modern web applications and software tools for international companies and startups, and we assist with migrating applications to a world-class level

Founded in 2022, in the heart of Kyiv, Zapal aims to provide top-notch IT solutions with product vision. We ignite SMBs, startups, SaaS platforms, businesses, and NGO’s with our powerful engineering & design solutions.  Thus, you may focus on scaling up and traction, while we handle all the tech and push the boundaries of your project. Our clients’ success stories already include projects like: Investment platform development, Educational project release, Mental Health App creation, retail company & HoReCa software development & lots of others. Core Services to boost your project with Zapal:Web developmentMobile development based on Flutter and React NativeDevOps engineeringAutomation and manual quality assuranceUI/UX designIdentity and branding designZapal’s product-centric IT services are already in France, UK, USA, Canada and more to be deployed. Our expertise, dedication, and creativity has already developed innovative and cost-effective solutions for our clients, optimized and automated processes, and boosted sales for businesses. Zapal aims to build strong, long-lasting partnerships. You too?Let’s ignite your project with our powerful design and engineering solutions!Contact Zapal: hello@zapal. tech, or directly our CTO: bohdan. kucheriavyi@zapal. tech

Sombra: Turning tech challenges into success. Sombra is a global software development and consulting company. With over 335 experts across Europe, Latin America, Canada, and the US, that develops, crafts, and delivers IT solutions in financial services, healthcare, e-commerce, energy, logistics, telecommunications, and many others. In an industry where grand promises often overshadow what really matters, we focus on getting things done right for over 10+ years. We cut through the buzzwords to deliver the right solutions for your business with real impact and measurable results. With an average client engagement of nearly 4 years and a Net Promoter Score of 84, we build enduring relationships that adapt to your evolving business needs. With 98% of our projects delivered on time and within scope, we bring the right expertise to complement your tech strategy. Choose Sombra as your strategic partner for solutions grounded in reality, driven by your success, and always done right.

We create memorable digital experience. URBSoft is a team of young and ambitious people who will help you look at your product with new eyes! Our Mission: We are here to develop for you a quality product that will take your business to a whole new level. We work and improve every day so that the difference between expectation and reality is minimal. Our Values: Efficiency We know which resource is the most valuable, and we respect our client's time. That's why our team is always ready to meet tight deadlines while doing quality work! Trust. We work for the future, so we will do everything to make you remember us only in a positive way! Quality. As banal as it may sound, but it is no less important. In our view, quality is the work that makes you say "Wow, that's what we wanted! Our Philosophy: We are the ones who do our work with a smile on our faces. We are the ones who are not pissed off by the word "edit". We are the ones who create a product as if it were for ourselves. We are those who believe in a powerful symbiosis of enthusiasm and great skills. We believe this list will grow. But for now, it's the foundation by which we are already prepared to do the possible and the impossible! There are no limits to perfection, but we are constantly looking for them! That is why the final result is so important for us, which will lead us and our client to a new level of success. We are ready to prove all the above not only in words but also during cooperation!

Mobile App Design and Development Company Perpetio is your one-stop destination for app & web design and development. Operating since 2014, we’ve successfully delivered 150+ projects that top the charts in the market and are used by millions of people worldwide. Being a full-stack development company with an HQ in Tallinn, Estonia, and an R&D office based in Lviv, Ukraine, we cover: Business Analysis Planning, UI/UX Design Backend/Client Architecture Development Quality Assurance Deployment Maintenance and Support. If you’re looking for a winning partnership, contact us today and let’s get started! 🥇 Why Choose Us? - Our apps top the charts in AppStore/Google Play - 9+ years of success and counting - 100% English-speaking team Whether you need to launch your MVP quickly or need expert consultancy for your business, Perpetio is a great partner to help you succeed. So why wait? Let's create something amazing together! 🤝

 GRT is all about creating smart, scalable solutions that drive real results. With over 12 years in the game and 120+ successful projects, we’ve helped businesses like yours turn big ideas into impactful products.  Here’s what working with us looks like: 🚀 Tailored Solutions, Tangible Results - Logistics app? We cut delivery wait times by 34% for one of our clients. -Healthcare IoT solution? 96% bug-free performance in just three months for another.  🤝 A Partner, Not Just a Provider - We don’t just take your project and run. From discovery workshops to regular updates, we collaborate with you every step of the way.  🛠 Expertise You Can Trust - We specialize in logistics, healthcare, and entertainment apps, but we are not limited to those. - Cutting-edge tech stack: Flutter, Laravel, Vue. js, AWS, and more.  🔄 Processes That Work for You - Discovery → Design → Development → Support—our milestone-driven process ensures clarity and results at every stage.  At GRT, we focus on what matters to you: delivering solutions that scale with your growth, delight your users, and create measurable value.  Let’s build something extraordinary together. Ready to chat?