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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

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At Blackbird, we empower startups to thrive. Specializing in Seed and Series A companies, we extend runways by enabling engineering teams to focus on growth-driven features while we take care of everything else. With offices not only in Ukraine but also in Colombia, Spain, and Poland, we bring deep expertise in SaaS, cloud-native products, frontend applications with React, and both native and cross-platform mobile apps—all within a fast-growing tech ecosystem that operates with zero downtime. Want to know how we can help? Reach out! Our team will conduct a comprehensive tech assessment and present tailored options to elevate your startup to the next level.

 GlobalLogic, a Hitachi Group Company, is a leader in digital product engineering. We help our clients design and build innovative products, platforms, and digital experiences for the modern world. By integrating our strategic design, complex engineering, and vertical industry expertise with Hitachi’s Operating Technology and Information Technology capabilities, we help our clients imagine what’s possible and accelerate their transition into tomorrow’s digital businesses. Headquartered in Silicon Valley, GlobalLogic operates design studios and engineering centers around the world, extending our deep expertise to customers in the automotive, communications, financial services, healthcare & life sciences, media and entertainment, manufacturing, semiconductor, and technology industries.

N-iX is a global software solutions and engineering services company that helps the world’s leading organizations turn challenges into lasting business value, operational efficiency, and revenue growth using advanced technology. With over 2,200 professionals across Europe, the Americas, and APAC, N-iX delivers expert solutions in cloud, data analytics, embedded software, IoT, AI, machine learning, and other technology domains. Being in business for over two decades, N-iX has worked with dozens of industry-leading enterprises and Fortune 500 companies to create value across a wide variety of sectors, including finance, manufacturing, supply chain, retail, and more. Our unique combination of business domain expertise and technical know-how enables us to effectively collaborate with ISVs, tech companies, and enterprises of all sizes. Thanks to the strong tech ecosystem and partnerships with AWS, GCP, Microsoft, SAP, OpenText, Snowflake, and others, we bring extra speed, scale and efficiency to more than 160 organizations across the globe. N-iX is recognized by numerous industry awards, such as CRN Solution Provider 500, ISG Provider Lens™, Modern Application Development services providers by Forrester, Everest Group’s Data & AI services PEAK Matrix, Global Outsourcing 100 by IAOP, etc.

Newsoft is a software development company that provides businesses with top-notch tech talents and helps build powerful software products. Our core values revolve around Сreating Value and Win-Win cooperation. Awards:▪️ Top Shopify Company in Ukraine according to Clutch (2024, 2023) ▪️ Top E-Commerce Developers in Lviv according to Clutch (2024, 2023) ▪️ Top B2B company in Lviv according to Clutch (2019, 2020) ▪️ Top Mobile App Developers in Lviv according to Clutch (2021) Newsoft in numbers: ▪️ 30+ highly skilled engineers ▪️ Trusted by 10 current clients ▪️ Thriving partnerships with 30+ organizations ▪️ Over 4 years of industry experience ▪️ 60% skilled professionals with a long-standing career ▪️ Average partnership duration of 2+ years Let’s cooperate and create value together.

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.

Intellectsoft is a digital transformation consultancy that provides cutting-edge engineering solutions for global organizations with the mission to help enterprises accelerate the adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation. Intellectsoft has been named as Top Custom Software Development Company in 2024 by FirmsTalk, Top App Development Company in 2024 by Business of Apps and received over 16 awards in 2024 alone. The Company’s services portfolio offers strategic IT consulting, CX design, development, and full lifecycle management of custom software products and applications, and system integration. Whether it is a consumer-oriented app or a transformative enterprise-class solution, the company leads the process from ideation and concept to delivery and provides ongoing support through its IS360 framework.

Founded in 2018 in Kyiv, Ukraine, Metinvest Digital is an IT company delivering end-to-end digital transformation solutions for industrial and large enterprise clients. It specializes in implementing SAP-based ERP systems and modules, developing AI and computer vision applications, and building data analytics platforms. The company also provides enterprise cybersecurity solutions and deploys secure cloud infrastructure, covering the entire project lifecycle from consulting to ongoing support.

Solidity is a leading IT company renowned for delivering innovative and reliable solutions to businesses around the world. Specialising in high-performance systems, Solidity ensures that customer's operations run smoothly around the clock. The company's expert team, trusted technologies and commitment to innovation make it a preferred partner for organisations seeking to optimise their business performance. Solidity partners with global vendors to deliver cutting-edge solutions that ensure security, operational efficiency and competitiveness in a rapidly evolving marketplace.  The company's core services include Financial Security, providing advanced fraud prevention and risk management solutions; Custom Software Development, creating scalable solutions tailored to business needs; and IT Infrastructure Solutions, designing and supporting systems that optimise business operations and ensure business continuity.  With strong partnerships with industry leaders such as IBM, Cisco, Check Point and Red Hat, Solidity integrates the latest technologies to deliver secure, reliable and high-performance solutions that enable businesses to thrive in a dynamic digital landscape.

IdeaSoft is an EU-based custom software development company with more than 8 years of experience and 350+ delivered projects. We provide innovative solutions for early-stage startups and implement high-tech technologies into enterprise ecosystems.  IdeaSoft is an official partner and member of Sigma Software Group since 2021.  OUR AREAS OF EXPERTISE: Blockchain solutions & Web 3 DeFi & CeFiSmart Contract Development Fintech & Banking Web & Mobile Development (iOS, Android)QA Testing & Technical SupportUX/UI AI/ML IT Consulting & Product DesignWe have a proven track record of successful project launches, contributing to over 350 large-scale initiatives across corporate, enterprise, and government sectors.  

 We are SP-Lutsk LLC, a Ukrainian IT company headquartered in Lutsk. With a team of 30+ professionals, we help businesses worldwide automate processes, reduce costs, and launch scalable digital products. Our mission is to turn ideas into reliable, future-proof software solutions.   Our ExpertiseWeb Development — modern, scalable web solutions with React, Next. js, Django, Node. jsMobile App Development — high-performance iOS & Android appsUI/UX Design — intuitive and user-centric digital experiencesQA & Testing — comprehensive functional and UX testingCybersecurity — full-stack protection of apps and dataAutomation & Integrations — system integration, workflow optimization, trigger-based systemsDevOps / DevSecOps — CI/CD pipelines, cloud (AWS, Kubernetes, Docker), Infrastructure as Code   Experience & AchievementsDelivered 50+ projects across e-commerce, SaaS, logistics, and warehouse managementBuilt SKUdrop (e-commerce/logistics), optimizing international shipping and order managementDeveloped SaaS products such as QRCodeveloper, AI Excel Bot, and JustHeadshots. ai used by clients all over the worldEstablished global collaborations with partners in the US, Australia, EU and Asia   Why Clients Choose UsTailored approach: solutions aligned with specific business goalsTransparency: regular reporting, demos, and open communicationFlexibility: Agile methodology and fast adaptation to changesQuality focus: code reviews, testing, and technical debt managementLong-term support: post-launch maintenance, optimization, and scaling  We don’t just deliver tasks — we aim to become your trusted technology partner.