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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! 

unicrew is a nearshore software development company with offices in Ukraine, Poland, the UK, and Azerbaijan, which helps us align with several time zones. Our key nearshore software development center is inhabited by 100+ programmers, and we continue to hire and grow more IT talents. In addition to being powered exclusively by senior-level engineers, we also focus on high-level experts in business analysis and solution architecture to ensure that our solutions efficiently meet business objectives.

Cleveroad is a forward-thinking custom software development company dedicated to delivering exceptional services across diverse business sectors, from audacious startups to established enterprises and private clients. With a deep understanding of the IT landscape, we specialize in crafting top-notch products driven by the extensive expertise of our senior IT professionals. At Cleveroad, we prioritize quality, security, and technical excellence. We are proud to be ISO 9001 and ISO 27001 certified, demonstrating our commitment to stringent quality control and data security standards. Additionally, we are an AWS Partner recognized for our cloud technical expertise. Our team is dedicated to ensuring every project's success and fostering long-term, productive business relationships with our clients. Let's innovate together and achieve remarkable outcomes.

For over 10 years, we’ve helped startups and enterprises worldwide digitalize their processes, launch successful products, and scale with confidence. We build with the latest technologies—React, React Native, GraphQL, TypeScript, and Node. js— to deliver applications that are stable, scalable, and future-ready.  Industries & business domains we serveManufacturing, Facility management, Logistics & supply chain management, Fintech, Human capital, B2B solutions, Healthcare, ESG & sustainability, E-commerce, Productivity & task management.  Trusted by global brandsHive – Project management tool used by thousands of teamsA. Anthony Corp – Enterprise facility management platformSYNTHO – Music platform that reached $700K in revenue in 2024Multi App – Fintech app with 100K+ downloadsPiraeus Bank Ukraine What we do best🚀 Dedicated teams & engineers – Experts who integrate seamlessly with your workflow🛠️ Full-cycle product development – From strategy and design to launch and support⚡ MVP development – Rapid, market-ready solutions to test and scale your idea✅ Quality assurance & testing – Reliable, bug-free performance every time🎨 UX/UI design – Intuitive interfaces that delight usersOur mission is simple: deliver products that our clients are proud of — and that their customers love.

At Voicerhub, we specialize in transforming customer feedback into actionable insights. With years of experience in CX analytics, AI-powered speech analysis, and multi-channel feedback management, we help businesses enhance customer satisfaction and improve their online reputation.  Our solutions, Voicer and TONY, empower companies to gather and analyze reviews from multiple sources, optimize customer interactions, and boost ratings on platforms like Google Maps. We’ve successfully implemented our technologies in global enterprises, helping them strengthen their brand and customer trust.  We understand that every business is unique, which is why we tailor our approach to your specific needs. Whether you’re a retail chain, service provider, or enterprise-level company, Voicerhub provides the tools and expertise to elevate your customer experience. Let’s build stronger connections with your customers together!     У Voicerhub ми перетворюємо відгуки клієнтів на цінні інсайти. Завдяки досвіду в CX-аналітиці, AI-обробці мовлення та багатоканальному збору зворотного зв’язку, ми допомагаємо бізнесу підвищити рівень задоволеності клієнтів і зміцнити репутацію в інтернеті.  Наші рішення, Voicer та TONY, дозволяють компаніям ефективно збирати та аналізувати відгуки з різних джерел, покращувати взаємодію з клієнтами та підвищувати рейтинги на таких платформах, як Google Maps. Ми успішно впровадили свої технології у міжнародні компанії, допомагаючи їм зміцнювати бренд та довіру клієнтів.  Ми розуміємо унікальність кожного бізнесу, тому адаптуємо підхід відповідно до ваших потреб. Незалежно від того, чи ви роздрібна мережа, постачальник послуг або велика корпорація, Voicerhub надасть вам інструменти та експертизу для покращення взаємодії з клієнтами.  Будуймо міцніші відносини з вашими клієнтами разом!

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 Platinum 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

Founded in 2015 and based in Kharkiv, Ukraine, CleverCrew is a bunch of tech enthusiasts who love building web and mobile apps. We handle everything from the ground up and stick around for the long haul to make sure things run smoothly. We are really into turning big ideas into software that works seamlessly.

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.

Spacebring is the coworking space management software designed to streamline operations, save time, and increase customer loyalty. Save 15–20 hours per week by automating bookings, invoicing and other administrative tasks. Deliver an exceptional customer experience through a branded web portal and mobile app that ensures consistent engagement. Get started within hours and focus on growing your coworking or shared space business — onboarding with Spacebring has never been easier.

Intobi strives for innovation and progress while helping clients benefit from tailor-made tech solutions. We develop custom software applications to ensure both monetary gains and savings 💰As a tech partner, we take pride in our involvement across all phases of the project life cycle, encompassing business analysis, research, evaluation, UX/UI design, development, and support.  Advanced Services:💻 Web developmentIntobi provides end-to-end solutions for all Web-related necessities. Our strengths are user-centric SaaS platforms, admin panels, dashboards, CRM systems, etc.  📱Mobile developmentWe specialize in building functional and user-friendly mobile apps for both iOS and Android, using either native or cross-platform technologies.  🏢 Enterprise software developmentCRM, ERP, SCM, and EAM. Re-engineering migration maintenance. Expanding, modifying, and adding new functionality to existing systems.  If you're seeking a committed tech partner, feel free to reach out to us, and we will dive deeper into discussing your project.

Since 2008, we have completed over 1,800 successful projects for 500 clients across 23 countries. Our expertise spans industries such as retail, distribution, FMCG, pharmaceuticals, banking, manufacturing, and telecommunications. We collaborate with both large enterprises and smaller companies, helping them achieve their strategic goals. Our core areas include business analytics, integration, and data management. We implement modern systems as well as advanced analytics tools, artificial intelligence, and machine learning to ensure your data drives business growth. We cover the full cycle of projects for analytical applications on Qlik BI platforms, from designing an application to launching it into commercial operation. All applications are developed by certified, experienced consultants governed by world class development standards. These standards specify and regulate all aspects of creating high quality, easy-to-use, high-performance applications including rules for developing boot scripts, models and user interface, testing and documentation. With RBC Group, your business gets smarter. Follow us for the latest updates and valuable insights to stay ahead of the trends!

Software development services that deliver value. At Clover Dynamics, our mid-to-senior developers and subject matter experts drive full-cycle product development excellence, all backed by a 1-year warranty. Benefits for our Client ✓ 1-year warranty to ensure that our client's products perform well long after the launch. ✓ Unique AgilePulse™ methodology, ensuring on-time, complete, and high-quality delivery. ✓ Code quality - we follow CISQ, and ISO5055 standards and use Sonar, Github Copilot and Linters to ensure high code quality ✓ On-time product delivery - otherwise we pay a fee ✓ Cost-effectiveness through Customized Pricing - for our Clients' convenience Time&Material /Monthly fixed payment/ Fix-Price available. ✓ Fast project kickoff with an expertly vetted & efficient engineering team composition. ✓ Swift Team setup / Team Extension, starting from 3+ weeks ✓ Regular demo, reports to make our Client feel confident that everything is going fine with a product development. ✓ Friendly and Transparent Communication with Clover's Top Management and Team. ✓ Outcome-Oriented Culture Services ✓ Custom software development (Web & Mobile) ✓ Team extension & staff augmentation ✓ R&D and Discovery ✓ Architecture design ✓ UX-UI design ✓ Project management ✓ Quality Assurance & testing ✓ Maintainance after Product Launch Expertise ✓ Browser extensions ✓ Real-time communication (Chat & Messaging apps, Audio & Video calls) ✓ FinTech ✓ AI & Machine Learning ✓ WebRTC ✓ Marketplaces & Match-making platforms ✓ Document management systems ✓ Financial management systems ✓ End-to-end encryption ✓ E-commerceTech