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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

CiviMobile is a powerful, free mobile application that brings the core features of CiviCRM—the open-source constituent relationship management platform—to your fingertips. Designed specifically for non-profits, non-governmental organizations, political groups, sports clubs, and other community-focused entities, CiviMobile enables users to access and manage their organizational data seamlessly from any location and on multiple devices.  With CiviMobile, users can streamline their workflows and boost efficiency by managing contacts, activities, cases, and events directly from their mobile devices. Whether it's adding or calling organizational contacts, updating schedules, or tracking event participation, the app ensures essential tools are always at hand, making it particularly valuable for fieldwork and on-the-go operations.  In today’s mobile-driven world, where smartphones serve as indispensable organizers, CiviMobile takes productivity to the next level by enhancing time management and organizational processes. The app is available in 11 languages and, as of early 2023, is trusted by organizations across the USA, Germany, the UK, Australia, France, Canada, the Czech Republic, Belgium, and beyond.  CiviMobile is more than an app—it’s a companion for modern organizations striving to stay connected, organized, and effective.  

R&D teams for any challenge. Crunch is a digital partner for global organizations that want to grow their business fast or strengthen their software development capabilities. Our expertise gives companies in the US, UK, Canada, Switzerland, Germany, Netherlands, Denmark, and Norway a competitive edge to achieve business goals. Our expertise includes end-to-end software development, digital services and consulting, AI&ML development, DevOps and cybersecurity competencies. Why companies choose us: Full-cycle development from a rough idea to ongoing support and maintenance; Effective recruitment process allows us to build dedicated teams faster than other IT companies do; Assemble the team of middle and senior qualified software engineers nearshore; Proven DevOps expertise that allows organizations to automate core processes. Technologies we work with: Backend: Python, Java, C#, . NET, Ruby on Rails, Node. js, C++, Scala Frontend: Angular, React, Vue. js, jQuery, Ember, TypeScript Mobile: React Native, Xamarin, Ionic, Kotlin, Swift Just drop us a line, we are ready to implement all your bold ideas!

“Vchasno” offers digital solutions for simple and transparent business management, including electronic document management, HR process automation, issuance of electronic receipts, creation of secure digital signatures, contract exchange with partners, processing of waybills, and submission of reports for private entrepreneurs. All services are provided online — quickly, conveniently, and with full legal security.  Vchasno’s digital services are part of the Ukrainian product IT company group — Vchasno Group. Vchasno offers the following range of services: Vchasno. EDO — a convenient service for managing all your documents in one place: create, sign, exchange, and store them online. Vchasno. Kadry — an HR electronic document management service. Vchasno. Kasa — a software-based cash register (PRRO) for issuing receipts and fiscalizing payments. Vchasno. KEP — a secure digital signature service. Vchasno. Zvit — a unified platform for small and medium-sized businesses, enabling you to prepare and submit reports, sign documents, and manage bank accounts from a single dashboard. Vchasno. EDI — a solution built on international standards to automate and optimize electronic document flow. Its main goal is to digitize all document-related processes across industries — from retail and logistics to banking. Vchasno. TTN — a reliable tool trusted by thousands of carriers and suppliers. It simplifies goods tracking and digitizes the exchange of waybills.

Linkup Studio is a full-cycle digital product development company with 11 years of market experience. We specialize in software design, development, management, and marketing. Founded in Lviv, Ukraine, our main operations are now based in Wroclaw, Poland, with representatives in Tallinn, Estonia, and New York, USA. Over the past eleven years, we have worked in more than 35 countries and successfully completed over 150 projects worldwide. We’ve collaborated with renowned brands such as Porsche, TATA, BOSCH, FreeStone Group, and Reverso, earning top design and software awards. Linkup is part of InSoft Partners, a group of companies with over 1,000 talented professionals operating globally.

Scelex is a software and service technology company. We deliver tailored software solutions through a dedicated end-to-end development process, utilizing the latest technologies to address the distinct needs of each client. We've brought together all the best practices and ideas, that we discovered while working in large IT-corporations, to create a unique company, that will satisfy clients' business needs and produce high-quality solutions.  Scelex's mission is to empower businesses through innovative technology solutions that enhance efficiency, drive growth, and create competitive advantages in the ever-evolving digital landscape. Our expertise includes:- Serverless Architecture- Frontend Development based on React- Backend Development based on Node. js- Mobile Development based on React Native for both iOS and Android devices- Amazon Web Services (AWS)- DevOps Engineering- UI/UX Design- Quality AssuranceWe are eager to collaborate with you and help transform your ideas into leading products. Contact us to discuss how our expertise can contribute to your project's success.

Deviart is a boutique agency with the focus on Website Development services. We apply the most successful and most effective practices in Web Development, focusing on the management coherence, communication transparency and technical solutions feasibility. And we are sure that the success of our solutions is not a simple exaggeration, but a distinct and consistent consequence of our client-oriented policy. We are serious and perceptive experts in WordPress development, our qualitative output is pixel-perfect, good-performative flexible websites built from scratch, the right solution to satisfy the need of our clients. Our expertise- Full-Stack Web Development services- Design (PSD/Sketch/XD/Figma…) to WordPress- WordPress Theme and Plugin Development- Fixes/optimization/improvements

Pecode is a full-cycle development agency focused on creating unique software for game-changing companies. We focus on developing web and mobile applications, from UXUI Design to deploying and maintenance. Our main strength is Quality Assurance. We offer a custom QA strategy and its full implementation. Along with an analysis of functional opportunities and both Manual and Automated testing of the application. Founded in 2017, today Pecode is a community of more than 160 professionals with 7+ years of experience in 10+ industries, and hundreds of successful projects.

T18 is a leading Ukrainian IT company that specializes in software development for clients in the financial sector. We offer a broad range of services and products, including web design and development, integration with financial systems and implementation of highly-scalable banking products. Our products are highly acclaimed for technological and innovative features, which helped our customers become top competitors in the market.

SuoQ. App is a leading provider of smart AI-powered queue management and customer experience solutions, trusted by businesses and government agencies worldwide. Our expertise lies in creating scalable, cloud-based, and on-premise systems that streamline service delivery, reduce wait times, and enhance client satisfaction. With years of experience in queue automation, appointment scheduling, feedback collection, and digital signage, we have successfully implemented solutions for banks, healthcare providers, public service offices, retail chains, and educational institutions. Each project is tailored to our client’s unique needs, ensuring maximum efficiency and ROI. We believe that time is the most valuable resource for both customers and service providers. That’s why SuoQ focuses on seamless integration, user-friendly interfaces, and real-time analytics — giving you full control over service flow and performance. Partner with SuoQ to transform the way you serve your clients and make every interaction faster, smarter, and more enjoyable.

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

Avenga is an international consultancy and technology partner delivering unique solutions that solve complex business and societal challenges. With 6000+ specialists they operate globally and provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and UI design, managed services, product development, and software development. Avenga serves a wide range of industries, from telecom and satellite operators to banking, manufacturing, automotive, mobility, and healthcare - driving their AI-first transformation.  Their AI capabilities are embedded across all offerings, enabling organizations to drive intelligent automation, accelerate decision-making, and deliver highly personalized user experiences. Avenga is a part of the technology pillar within the family owned KKCG Group.