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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

Linkos Group is a leading Ukrainian IT company, specializing in developing innovative digital solutions tailored for business automation needs.  For over 25 years, Linkos Group has created IT products in e-reporting and e-document management, widely used by accounting professionals and businesses across the country.  Linkos Group product line: ⬢ Medoc is a program for e-document management and e-reporting. Winner of the international competition-festival of the best goods and services: "Choice of the Year 2019" and "Choice of the Year 2020" in the nomination "Commercial Program of the Year for Reporting and Electronic Document Management". Ukraine’s leading e-reporting and e-document management software, trusted for 25+ years. All reports, invoices, acts, and contracts in one platform, with iXBRL and SAF-T UA solutions.  ⬢ SOTA is a web service for e-reporting, tax invoices, contracts, and receipts with browser-based, secure workflows. Submit reports, sign documents, and register receipts. Includes a mobile solution for electronic consignment notes for all transportation participants.  ⬢ Cashalot is an all-in-one solution that integrates software-based cash registers, warehouse accounting, and comprehensive analytics for both cash registers and cashiers. Recognized as the best technological solution (The SUP — Union of Ukrainian Entrepreneurs — 2023 Award).  ⬢ CloudKey is a secure cloud-based electronic signature, provided and safely stored by the Key Certification Centre “Ukraine”. Sign documents anywhere, without being tied to specific hardware. Integrates seamlessly with popular software and e-services for citizens. ⬢ Linkos ERP is a next-gen ERP for efficient governance and operations. A flexible, service-oriented platform featuring low-code/no-code, AI agents, and operational analytics for accounting, finance, logistics, and HR. Scalable, secure, and compliant. ⬢ ISpro is a global ERP software package designated to automate accounting and management at enterprises and budgetary institutions.  ⬢ FlyDoc is a service for direct exchange of primary documents with counterparties from the accounting system.  ⬢ PTAH is a platform that provides roaming of electronic documents between different platforms.

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

You’ve got the strategy. We turn it into working solutions. For 20+ years, Sigma Software has worked with Fortune 500 companies, global vendors and technology start-ups. Our mission is to help innovation leaders move critical initiatives forward by aligning teams, systems, and priorities. With 1,800 engineers in AI, data, cloud, embedded, and cybersecurity, we deliver solutions that scale and last, with ISO-certified quality, security, and compliance embedded from day one. Strategic Initiatives we support:AI Adoption – use AI where it brings tangible value, starting from first pilots and scaling to wider use. Digital Product Innovation – create new software or add digital layers to existing products and services, built with security and compliance in mind. Experience Design – shape journeys across apps and portals so users reach the right outcomes with less friction. Regulatory Compliance – navigating the regulatory landscape complexity and translating standards into working processes for audit-ready operations. Operational Efficiency – replace slow or manual work with modern, automated solutions that cut cost and effort. Managed Services – ensure stability, security, and uptime without draining internal teams. Our work goes beyond solution delivery. Sigma Software Labs works with startups to shape and test new ideas. Sigma Software University not only grows future engineers but also helps our clients build internal capabilities through tailored literacy programs and training. Our R&D teams experiment with emerging technologies early, so when they become relevant, our clients can adopt them faster and with less risk. Together, this cycle of delivery, learning, and exploration makes us better partners and strengthens the outcomes we deliver.

SIM-Networks (Netversor GmbH) is a European IaaS provider with over 10 years of experience in cloud technologies, server infrastructure, and IT outsourcing. We help businesses scale by providing reliable, secure, and high-performance servers in certified data centers in Germany. Our team delivers tailored solutions for businesses of all sizes—from startups to international corporations. ServicesIaaS (Infrastructure as a Service): dedicated and virtual servers, SIM-Cloud (built on VMware)Private and hybrid cloud solutionsServer administration and 24/7 technical supportCybersecurity and backup solutionsData and IT infrastructure migrationHigh-load clusters and Big Data solutionsDomainsCloud technologiesCorporate IT infrastructureCybersecuritySystem integrationBackup and disaster recoveryTechnology StackVMware, Proxmox, OpenStackLinux (Ubuntu, Debian, CentOS), Windows ServerKubernetes, Docker, CI/CDZabbix, Prometheus, Grafana (monitoring)Firewall and DDoS protection (Fortinet, Cloudflare)Networking technologies: Cisco, Juniper, MikroTik 

Behind Successful Company Are Dedicated People. Behind Every Successful Company Are Dedicated People. Ralabs is an established tech partner to leaders in many industries, including healthcare, fintech and more. Our software solutions strictly adhere to the major international regulations bodies, including GDPR, HIPAA, PCI and DSS, ensuring comprehensive compliance. With over 9 years in the tech industry, our team of 150+ engineers have successfully completed 100+ projects, earning the trust and referrals of our clients. Our Services Include:- Dedicated Teams (React, Python, Node. js, Ruby and others)- Web & Mobile Custom Software Development- Cloud Integration & Serverless Architecture- MVP, PoC, and Project Discover- Open AI Stack Integration- Codeless Development- AI & Data Engineering- UI/UX Design- IoTIT Services:- Custom Software Development: Developing tailor-made software solutions, addressing your tech needs and requirements. - Digital Transformation: Assisting in digital transformation of your organizations systems, optimizing processes and enhancing operational efficiency. - Tech Consultation: Comprehensive technology consultations to help organizations leverage the latest advancements in software and digital solutions. - Product UI/UX Design: Designing products end to end, ensuring intuitive and user-friendly interfaces that enhance the overall user experience. - Post-production Support: Committed beyond development, as we provide ongoing support to ensure smooth operations and address any technical issues that may arise. Discover how Ralabs solutions are ready to transform your businesses tech needs by contacting us today!

Prozori Solutions is a Ukrainian software development and R&D company committed to empowering businesses, startups, and public sector organizations with secure, scalable, and high-performance software solutions. With over 15 years of experience and a team of 80+ professionals, we leverage cutting-edge technologies to drive digital transformation, streamline operations, and foster innovation. Beyond technology, we actively contribute to social impact initiatives, playing a key role in Ukraine’s digital transformation, particularly in Education, Procurement, and Healthcare. Our solutions help modernize public services, improve accessibility, and enhance transparency.

Levi9 IT Services is a new generation IT service company with headquarters in Amsterdam and six delivery centers in Eastern Europe. Founded in 2001 and named after Comet Levy9. The explosion from its collision with Jupiter in 1994 changed the sky forever. Levi9 also aims to make a difference in the history of the IT industry by changing the approach to outsourcing. The company creates innovative solutions for more than 50 clients and specializes in developments for B2B and B2C businesses in the fields of finance, automotive, e-commerce, etc. The company has been operating in Ukraine since 2008 and has a team of almost 300 IT specialists involved in projects remotely or working in modern offices in Kyiv and Lviv. Levi9 specialists regularly support the defenders of Ukraine in frames of military tax project & with different donation projects, the company doubles the tax & levi niners decide where to direct the funds. This way, over 26 million UAH were accumulated in 2 years.

ALGABAS, established in 2008, is pleased to present itself as a technology partner for your projects. Over 15 years, we have evolved from a security systems company into a comprehensive systems integrator and software developer. Our key achievements and competencies:Government Information Systems: Certified Diia. Engine platform developer with successful implementations Information Security: Building secure networks using FortiNet solutions, implementing comprehensive protection systems (ATP, NGFW, DDoS-Protection, WAF, two-factor authentication)Software Development and Implementation: Creation of MES systems based on BAS (1C), product tracking systems implementationComprehensive IT Solutions: Server infrastructure design (Supermicro, DELL, NetAPP), virtualization (VMware), video conferencing systems, technical securityOur professional team ensures full-cycle project implementation: from design to deployment and support. As a single integrator, we optimize both costs and implementation timelines. We would welcome the opportunity to discuss potential collaboration and present our capabilities in detail. Best regards, ALGABAS

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.

Ciklum is a global Experience Engineering firm that stands at the forefront of innovation, blending next-generation product engineering, exceptional customer experiences, and cutting-edge AI. Its global team of over 4,000 highly skilled engineers, experience design specialists and consultants joins forces to engineer technology that paves the way for the future of your business.

StartupSoft is a trusted partner for augmenting your in-house team with remote, top-tier software engineers, including those specializing in AI/ML. Working with startups and Fortune 10 corporations, we ensure the perfect cultural & technical fit, and handle all the back-office management, so you can focus on what matters.