Find a company

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

The Real-Time Business Platform

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.

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.

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! 🚀

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!

We provide comprehensive solutions that help you grow your business in the digital environment. From effective software to integration services.

Quality and Expertise. Founded in 2000, Soft industry Alliance focused on building a strong core team of professionals. Today, SIA is an international company, with offices in Ukraine and Estonia, with a team of 100 strong specialists in development, testing, business analytics, and project management. Growth, development, balance and harmony – this is the concept of the infinity sign. Being placed on our logo, this symbol reflects the Soft Industry’s business model: full software development life cycle and focus on a win-win long-term partnership. Our expertise: - Industrial automation; - Enterprise software development; - Custom software development; - Web development; - Mobile application development; - DevOps; - Testing & QA; - Dedicated team (Team-As-a-Service) / outsource.

Vector Software is an experienced IT outsourcing company offering premium custom offshore development services. Established in 2014 the company has quickly grown into a prosperous software development company. We provide our customers with the best solutions in the field of customized software development. Having experienced and skilled outsourcing software developers with extensive technology expertise allows us to deliver software solutions of different complexities on time.

Scaling up engineering capacity. WeOne is an IT company, and a hiring platform for businesses of any size. Our goal is to connect IT professionals with companies in need. To provide this mission we’ve built our solution based on AI, and given a convenient way to connect businesses with desired talents. More than this, all talents on the platform are not only preselected by AI, they put through the vetting process, that contains fact checking, English proficiency tests, and qualification interviews with a coding challenge. On top of that, our company has enough capacity to advise and help in the areas of our expertise.

Allzap is a Ukrainian IT company that has been developing digital solutions for the automotive market since 2017. We are a team of 10 specialists building software products for businesses engaged in selling auto parts, importing cars from the USA, logistics, and related services. Our Experience:Over 9 years of expertise in developing specialized Automotive software. A DIIA. City resident, confirming compliance with modern IT business standards. Creators of two commercially successful CMS products used by hundreds of companies. Our Core Products:Allzap CMS – a ready-to-use platform for online auto parts stores. It features VIN-based search, supplier integration, API access, SEO, and marketing modules. Currently used by 1,000+ clients. Allauto CMS – a solution for companies selling cars from Copart and IAAI auctions. Includes automated benefit calculation and price comparison between the US and Ukrainian markets. Our Specialization:Development of turnkey digital products for the automotive industry. Automation of complex business processes (large databases, pricing engines, integrations). Long-term client support and continuous product development.  We are open to collaboration with international partners seeking a reliable technology provider in the automotive segment.

ELITEX. Beyond expectations. Since 2015, we have been successfully delivering projects, as well as building engineering teams for our customers from the USA, UK & EU. We have delivered for companies in FinTech, News & Media, Content Management, E-learning, Property Management, Telecommunications & E-Commerce. We hire only the best talent. Our experts have experience writing software for Fortune 500 & Fortune Global 500 companies. ELITEX mission is to build a lasting partnership with every customer, based on strong expertise, attention to details, efficient communication, and mutually beneficial collaboration. Our approach results in synergy between the customer and our team. This makes us successful.