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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! 

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.

Custom Web Application Development CompanyInoxoft is a trusted, award-winning custom software development company with headquarters in Philadelphia, USA. With over 10 years of experience, a team of more than 200 in-house engineers, and a track record of successfully delivering over 200 projects, Inoxoft builds scalable, secure, and innovative digital solutions to help startups and small to medium-sized businesses achieve their goals. Key Facts:10+ years on the market200+ in-house engineers200+ completed projectsISO 27001 certified for top securityMicrosoft Gold, Google Cloud, and ISTQB Silver partnershipsInoxoft services:Custom Software DevelopmentWeb & Mobile App DevelopmentAI & Machine Learning SolutionsUI/UX DesignQuality AssuranceIT SecurityData Science & Big Data AnalyticsTeam Extension & Dedicated TeamsTechnology StackInoxoft’s specialists leverage Python, . NET, JavaScript (Node. js, ReactJS, React Native), and iOS to build scalable, secure solutions. Industries ExpertiseWith over 200 completed projects, Inoxoft excels in building solutions for:Healthcare: Secure medical softwareEducation: Interactive e-learning platformsFinance: Robust fintech solutionsLogistics: Supply chain optimizationReal Estate: Property management toolsWhy Clients Choose Inoxoft:Partnership Approach: Treating clients as collaborators, fostering teamwork, and achieving successful outcomes. Effective Project Management: Clear communication, timely delivery, and regular updates via tools like Jira and Slack. High-Quality Deliverables: Robust, functional, and visually appealing solutions that drive satisfaction. Business mindset and maturity: Clients emphasize the automation of business processes, which saves time and boosts efficiency.  

Software Design and Development Partner. At OTAKOYI, we believe that the technology world can do better, and we start with ourselves. When you partner with us, you gain a trusted ally to navigate the challenges and opportunities of the ever-evolving tech landscape. Our collaboration goes beyond mere partnership; it reflects our deep commitment to your project’s success, anchored in radical honesty and transparency. We take pride in our enduring partnerships with industry leaders such as Lenovo, Philip Morris, Credit Agricole, METRO, Engel & Völkers, KIA, Kraft Heinz, OKKO, Knight Frank, ETA+, WWG, MBC, Landmark Group, and NAI Global. Behind each name is a story of long-term, trustworthy collaboration and inspiring mutual results. Our services include:- End-to-end Software Development- IT Staff Augmentation & Team Extension- IT Consulting & Digital TransformationWe cover the following expertise areas:- AI, ML, and Data Science- Application Re-Engineering- Software Development for Startups- Web App Development- Mobile App Development- DevOps & Cloud Services- Blockchain- Product Design

New Line Technologies is a software development company with 15+ years of experience specializing in FinTech and Real-Time Multimedia solutions. We provide full-cycle development and ongoing technical support to clients in the USA and Europe, helping them navigate complex industry challenges with scalable, innovative software.  Our expertise lies in creating secure financial applications, high-performance multimedia systems, and interactive solutions that leverage real-time technologies to deliver seamless user experiences. Our industry focus and deep technical proficiency allow us to support clients from concept to deployment, ensuring a perfect alignment with their business goals.

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.

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!

Creating High Value for the Future. With delivery centers in Ukraine and the Netherlands, we design, develop and support innovative software solutions, helping companies to reach their goals, create high value and stay ahead of competitors. We provide Western European and US based clients a high value services, where quality and performance are equally important. Having a strong team of skilled innovative developers, quality engineers, project managers and business analysts, PROBEGIN is an experienced system integrater and has build many high value platforms over the years for it’s clients. We are growing steady and setting up virtual nearshore development centers (NDC) for diverse software development companies in the financial, e-commerce, health care, media & entertainment,energy, games and gambling verticals. PROBEGIN is a technology solutions company with 6 years of experience on the market and over 250 satisfied clients. We help leading companies and tech startups to stay ahead of competition with skilled talented IT specialists and business insights. We value the relation highest and adopt our services on the needs of our client. We prefer to be on the background, so you can shine with your product, project or services. We sharpened our expertise to deliver highly-functional solutions and establish long-term partnership with our clients. We have integrated Agillity in our corporate culture and we understand in order to deliver agile services, we should be Agile individuals. The key approach from PROBEGIN is that we customize how we work for you, adopting the team to your company and assisting through the full life cycle of your product, project or service. Regardless of technology platform, PROBEGIN can work either as a custom software project developer or as a seamless addition to your in-house technology staff. Get in touch with us now and experience our approach first hand.

SuoQ. App is a leading provider of smart AI-powered queue management and customer experience solutions, trusted by businesses and government agencies worldwide. Our expertise lies in creating scalable, cloud-based, and on-premise systems that streamline service delivery, reduce wait times, and enhance client satisfaction. With years of experience in queue automation, appointment scheduling, feedback collection, and digital signage, we have successfully implemented solutions for banks, healthcare providers, public service offices, retail chains, and educational institutions. Each project is tailored to our client’s unique needs, ensuring maximum efficiency and ROI. We believe that time is the most valuable resource for both customers and service providers. That’s why SuoQ focuses on seamless integration, user-friendly interfaces, and real-time analytics — giving you full control over service flow and performance. Partner with SuoQ to transform the way you serve your clients and make every interaction faster, smarter, and more enjoyable.

Levi9 IT Services is a new generation IT service company with headquarters in Amsterdam and six delivery centers in Eastern Europe. Founded in 2001 and named after Comet Levy9. The explosion from its collision with Jupiter in 1994 changed the sky forever. Levi9 also aims to make a difference in the history of the IT industry by changing the approach to outsourcing. The company creates innovative solutions for more than 50 clients and specializes in developments for B2B and B2C businesses in the fields of finance, automotive, e-commerce, etc. The company has been operating in Ukraine since 2008 and has a team of almost 300 IT specialists involved in projects remotely or working in modern offices in Kyiv and Lviv. Levi9 specialists regularly support the defenders of Ukraine in frames of military tax project & with different donation projects, the company doubles the tax & levi niners decide where to direct the funds. This way, over 26 million UAH were accumulated in 2 years.

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!

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.