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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

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.

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.

ARTJOKER is a full-scope outsourced software consulting company that provides product discovery, custom software solutions, and cost-saving DevOps services for startups, medium-sized businesses, and large corporations in Fintech, Ecommerce, Real Estate, and Logistics. We focus on integrating AI into our solutions to enhance innovation and efficiency. For 18 years, ARTJOKER, as an EU-based company, has been a reliable partner for businesses in Western Europe, Israel, and the USA. Our team offers expert engineering support and valuable insights to help our clients solve their most challenging business problems.

CallChecker is an AI-powered call analytics platform designed to give businesses complete control over their call-based operations. Whether you’re managing a call center, sales team, or customer support department, CallChecker helps you monitor 100% of your calls, surface valuable insights, and make data-driven decisions that drive growth. We don’t just help teams hear what’s being said — we help them understand what it means. What sets us apart:► Analyze every call (not just a sample) to ensure total visibility► Cut costs by 10x by automating manual quality control processes► Transform agent training and coaching with fast, AI-backed feedback► Ensure rule compliance through AI-enhanced script tracking► Enable faster onboarding and smarter development decisionsWith multilingual support and rapid setup, CallChecker is the go-to solution for teams looking to scale quality, not just volume.

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.

ImproveIT Solutions is a full-service software development company that builds awesome digital products and strong engineering teams for hi-tech corporations and startups. Сore focuses are custom web/SaaS, AI and mobile app development. We also provide strong DevOps & Cloud engineers (AWS, GCP, Azure). WHAT CAN WE DO?create your own dedicated development team in Eastern Europe and transfer it to you for direct cooperation (buyout option)provide 1 qualified specialist as an ad-hoc team extension on a part-time or full-time basisbuild your product from scratch according to your needsOUR SERVICES:Mobile App Development (iOS, Android, hybrid): Swift, SwiftUI, Objective-C, Java, Kotlin, React Native, FlutterWEB development: React, Vue, Angular, TypeScript, Node, . Net, Python, PHP, JavaAI and ML Expertise: utilizing advanced algorithms and neural networks for business optimizationMVP development developing a cost-effective MVP from scratch according to your business needsUI/UX design: prototyping, branding, UI and UX design for web and mobile productsQuality assurance: our quality control team ensures that code is bug-free before a product release PROVEN EXPERTISE: Travel and HospitalityHealthCare and WellnessMedia and EntertainmentLogistics and DeliveryReal EstateE-commerce and RetailFinTech and accountingEducation and e-learningWHY OUR CLIENTS CHOOSE US:- we are transparent and realistic in our commitments- our portfolio includes solutions used in 75 countries- fast allocation of talents: from 2 days to 2 weeks- 80% of our engineers have 4-20 years of experience- all developers speak English- flexibility in cooperation models: long-term or short-term, part-time or full-time, fixed price or team extension starting from 1 developer. For more details visit our websitewww. improveit. solutionsor contact us viaE-mail: info@improveit. solutionsPhone: +48 459 56 80 65WhatsApp +380502096705

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!

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.

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! 🚀

Teamvoy is a technology consulting and custom software development company that helps businesses bring digital ideas to life. For over a decade, we’ve delivered tailored, scalable, and high-quality solutions across a range of industries including Banking, Insurance, Manufacturing, Healthcare, Retail, and Logistics. We go beyond simply building software — we act as a strategic partner, committed to long-term collaboration, open communication, and full transparency throughout every project phase. We specialize in:- Custom software product development- System modernization- IT audit and cost optimization- Digital product design- Proof of Concept (PoC) developmentOur teams are experienced in both established and emerging technologies, including AI, cloud, data, IoT, and blockchain. Technology expertise includes:Web: Ruby on Rails, Java, JavaScript, Node. jsMobile: iOS, Android, React Native, Swift, Kotlin, FlutterBlockchain: Solidity, Solana, EthereumWith 11+ years of experience, 150+ projects delivered, and 70+ engineers on board, Teamvoy is trusted by companies around the world to solve complex challenges through technology. Let’s build the future together. 📧 contact@teamvoy. com🌐 https://teamvoy. com/

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.