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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! 

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.

Allzap is a Ukrainian IT company that has been developing digital solutions for the automotive market since 2017. We are a team of 10 specialists building software products for businesses engaged in selling auto parts, importing cars from the USA, logistics, and related services. Our Experience:Over 9 years of expertise in developing specialized Automotive software. A DIIA. City resident, confirming compliance with modern IT business standards. Creators of two commercially successful CMS products used by hundreds of companies. Our Core Products:Allzap CMS – a ready-to-use platform for online auto parts stores. It features VIN-based search, supplier integration, API access, SEO, and marketing modules. Currently used by 1,000+ clients. Allauto CMS – a solution for companies selling cars from Copart and IAAI auctions. Includes automated benefit calculation and price comparison between the US and Ukrainian markets. Our Specialization:Development of turnkey digital products for the automotive industry. Automation of complex business processes (large databases, pricing engines, integrations). Long-term client support and continuous product development.  We are open to collaboration with international partners seeking a reliable technology provider in the automotive segment.

Avenga is an international consultancy and technology partner delivering unique solutions that solve complex business and societal challenges. With 6000+ specialists they operate globally and provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and UI design, managed services, product development, and software development. Avenga serves a wide range of industries, from telecom and satellite operators to banking, manufacturing, automotive, mobility, and healthcare - driving their AI-first transformation.  Their AI capabilities are embedded across all offerings, enabling organizations to drive intelligent automation, accelerate decision-making, and deliver highly personalized user experiences. Avenga is a part of the technology pillar within the family owned KKCG Group.  

 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.  

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.

 Qream is a design transformation agency that crafts standout websites and brand identities for tech companies, helping them break through market noise with bold, strategic design. Our focus is on creating meaningful design that drives positive change across industries like Web3, Blockchain, MedTech, FinTech, EdTech, and more.

 Your Shopify expert to deliver the products the customers love. Founded in 2015, Grodas is a full-service digital agency that supports the eCommerce businesses across the globe. Connecting product, design, and technical expertise, we transform your brand with Shopify solutions, freeing you to focus on your business core. Balancing inspiration with conversion with Grodas - Your Shopify success partner.

Fintech Software Development Services. Product Oriented Engineering Culture. Kindgeek is a one-stop-shop product development company that illuminates how finance companies can reach their full potential with digital solutions. More than 200 companies have trusted Kindgeek to build their MVPs, products, and scale engineering teams. From ideation to deployment and beyond, we guide through the whole process of developing fintech products. We build custom solutions from scratch and have white-label solutions that save time to market while resolving core business needs. Our Integration Hub unites fintech leaders, aligning solutions with unique needs. Embrace AI, open banking, chatbots, BNPL, core banking, and WEB 3. 0 through our expert approach. We constantly leverage new technologies and grow into a fintech product and services ecosystem while building long-term partnerships based on trust and collaboration. Looking for a software development partner? Tell us about your project.

Our teams work best as single product engineering units, with goals such as growing an MVP towards product-market-fit, scaling technically and product-wise, or acting as R&D teams within larger companies building product MVPs or pivoting. WHY REBBIX TEAMS ARE EFFECTIVEStrong engineering managersTrack record in building successful online marketplaces and travel productsCo-located teamsResults-oriented cultureOUR EXPERTISEEngineering managementSoftware developmentGrowth & SEOProduct designProduct managementSRE & DevOpsData Analytics

Virtido - Empowering your ideas. We are Virtido, an innovative, Swiss-based business process outsourcing and IT company. We realize your ideas and projects - from strategic concept to technical implementation. We deliver turnkey custom made software in close collaboration (agile development) with our clients – we provide the full project team from architecture over UI/UK, coding, DevOps, QA to project management, Our own nearshoring-platform allows you a cost-effective execution.

Stfalcon has been developing custom web services and mobile apps for over 15 years. Since last year, we've managed to get 15 new projects; the number of employees at Stfalcon has increased by 20%. We operate a management system to the requirements of ISO 9001: 2015. Services we provide:Discovery Phase in 4-6 weeksUI/UX DesignDedicated teamsWeb/Mobile developmentCross-platform app developmentMVP for startups in 2-3 monthsDevOpsOur expertise includes:FinTech / Blockchain / Crypto app developmentTransportation and Logistics Software SolutionsIT solutions for automation in the medical fieldSince 2009, our projects have included Nova Post (the top private parcel delivery service in Ukraine), MeinfernBus (the most prominent German bus operator), CRM, ERP, TMS, and apps for taxi and booking. Contact us, and we will be happy to create something awesome for you!