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Since 1999, UST has collaborated with the world's leading companies, creating a powerful impact through transformation. Our digital solutions, proprietary platforms, engineering expertise, R&D, and innovation ecosystem transform key challenges into impactful, disruptive solutions. With deep industry knowledge and a future-ready approach, we bring expertise, innovation, and agility to our clients’ organizations—delivering measurable value and driving positive, lasting change for them, their customers, and communities worldwide. In 2022, UST expanded its presence in Eastern Europe by acquiring the Ukrainian outsourcing company ITernal Group, marking its first office in Ukraine. This acquisition strengthened UST’s position in the Ukrainian market and contributed to the development of the local IT ecosystem. (inventure. com. ua).  In 2024, UST further expanded its SAP partnership into the Ukrainian market in the Sell and Service areas, achieving Silver partnership status.  Together, with 30,000+ employees across 30+ countries, we build for boundless impact—touching billions of lives in the process. For more insights, watch this discussion.  

Rebbix provides product engineering teams that help companies turn ideas into scalable products with measurable impact.  We blend strong product thinking, robust AI-driven engineering, and smart automation to accelerate delivery, reduce operational friction, and keep quality high as products evolve.  Our teams operate as autonomous product units, supporting everything from MVP validation and product evolution to large-scale platform growth and R&D functions inside enterprise-level companies.  OUR EXPERTISEEngineering managementAI-powered software developmentAI-based automationGrowth & SEOProduct designProduct managementSRE & DevOpsData Analytics

Techstack company is an international strategic technology partner with strong Ukrainian roots, delivering comprehensive digital transformation services worldwide. We unite nearly 200 experts across borders, combining staffing, engineering, and optimization services into one powerful offering. With over a decade of excellence, we’ve become a trusted partner for global businesses — 30% of which are $1B+ enterprises — delivering full-stack teams and empowering software engineering leaders. Rooted in our Ukrainian engineering heritage and strengthened by our international presence, Techstack unites the best of Eastern European technical excellence with global business practices, making us a partner capable of both precision in execution and vision in strategy. 💫 The Techstack Difference
Strategic Partnership:- Engineering with product ownership, aligned with your goals- Strong technical leadership and proactive delivery planning- Long-term scalability built into every architectureProfessional Excellence:- Senior-level expertise across all technologies- Cross-functional teams with diverse skill sets- Proficiency with modern tech stacksTransparent Communication: - Regular updates and detailed reporting- Direct access to your dedicated team- Clear project roadmaps & milestone trackingQuality-First Approach:- Rigorous code reviews and comprehensive testing protocols- Strict coding standards adherence- Industry best practices in every deliveryBusiness Value Focus:- Transparent pricing with no hidden fees- Resource optimization strategies- Value-driven development aligned with your goals- Scalable architecture design- User-centric development methodologyModern Technical Capabilities: - Cloud-native solutions- AI & ML integration|- Automated workflows- Agile methodology- Advanced DevOps practicesWe align with your product and business strategy, bring disciplined engineering practices, and build solutions designed for scalability, resilience, and long-term growth. Let’s build something that lasts! 

Technologies with beauty and power. Why endure technical & implementation nuances, if you can delegate the delivery of your cutting-edge product and focus instead on your business development? Movadex is your best partner with digital expertise to guarantee a modern and user-friendly experience for your software product. Movadex is a creative agency and software development company co-founded by Stanford MBA. We create designs, branding, and marketing kits, and work on website & mobile development. We help to develop the best website for businesses, starting from scratch with beautiful UI/UX, and using the latest technologies. With deep experience in mobile development, both native and cross-platform, we can create apps of any level of complexity using innovative technologies like mobile vision and AR. Why choose us? 1. Leading Work Ethic We use Figma, an interactive design tool so you can see the progress and communicate with our designers in real time. Our PMs are SCRUM-certified and will ensure the project delivery is time- and cost-optimized so you can enjoy the flawless performance of your software in a timely manner. 2. Transparent legal and financial framework We estimate the pricing using the standard workflow frameworks and offer various payment options. You will not come across any unexpected bills or hidden fees. Our legal team will provide you with a service agreement, a detailed invoice, and an acceptance of transmission to ensure transparency and your satisfaction. 3. Market-centered approach Movadex merges art and business, offering a groundbreaking software outsourcing model at the highest quality standards geared to the customers your software product will serve. We work using an innovative user-centered approach allowing you to maximize the returns on your investment into your company's online presence and establish a branded digital mark. Movadex services: Branding, UI/UX Design, Responsive Design & Prototyping Mobile & web development Quality Assurance & Test automation

ZONE3000 is a 2400+ experts strong technology innovator ranked within TOP-10 Ukrainian IT companies by DOU. We focus on Data Governance, Generative AI and Machine Learning solutions. Vertical focus is on Technology, Construction, E-commerce & Retail, Real Estate & PropTech. The company started its operations in 1998, is privately held and grows organically. Average customer engagement exceeds 10 years, and we are proud of unparalleled staff retention rates. ZONE3000 is actively hiring both within and outside of Ukraine. US, European and MENA markets is our main focus.

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.  

a-Gnostics is a pioneering deep tech startup dedicated to crafting innovative industrial AI products. Among these are cutting-edge solutions like 👂🤖🏭 Di-agnostics — Shazam for industrial equipment, utilizing the sounds emitted by machinery, along with an IIoT device. ⚡️ ECF or Energy Consumption Forecasts — AI and Machine Learning solution to revolutionize energy management and forecasting. Tailor-made forecasts and insights crafted to suit your business unique requirements, ensuring relevance and actionable intelligence.

Straight talk and smart execution for leaders making critical technology decisions. We combine technology expertise with sharp business thinking to build software solutions that last.

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.

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.

Are you looking for someone to bring your ideas to life? Or open your business to the mobile/web industry with over 7 billion users worldwide? Is it time to finally go "online"?If your answer is yes to any of those, then Deviark would be the best match for you. We can offer you a team of experienced Mobile Developers, Front-End, Back-End Developers, UI/UX Designers, QA Engineers, and Project Managers. They would all make sure that your ideas and thoughts are transitioned into the final solution and that all your requests are fulfilled (or at least 99 % of them)We have worked on over 40+ apps & websites so far & we're proud of each and every of those. With us, you'll get a top-notch team and the highest quality of services possible:✅ A professional team of engineers with experience in mid and large scale solutions✅ Clear and smooth communication with all team members working on your project✅ Code made in accordance with all industry standards and approaches✅ Ability to check the status at each given momentWe want to become your development partner and grow with you exponentially. With benefits for each side.

Link The World To Digital. We are a leading software development company based in Ukraine, specializing in delivering tailored software solutions and top-notch IT consulting services globally. Our expert technical team, headquartered in Kyiv, consists of highly skilled web and mobile developers, inquisitive business analysts, talented UI/UX designers and QA engineers, and dedicated project managers. As a software outsourcing company and web development agency, we thrive on unlocking new opportunities for start-ups and establishment businesses that are looking to drive innovation and growth. Our main values are high-quality work, agile development methodologies, and excellent communication with clients at all stages of work. We assist our clients in achieving digital transformation by serving as a strategic partner, which results in the enhancement of their products, acceleration of service delivery, optimization of operational efficiency, and expansion into new markets. We are rapidly implementing AI and machine learning solutions into our clients' products and evolving as an AI development company. Our services include: Discovery stage (Business analysis) UX/UI design Mobile App Development Web App Development QA and testing DevOps IT consulting Our holistic approach ensures that we address every aspect of your project, from concept to deployment, to provide you with the most effective digital solutions. Proudly recognized as an Upwork Top Rated Agency, we've consistently proven our commitment to delivering excellence and innovation in every project we undertake.