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Leobit is a full-cycle . NET, AI, web, and mobile 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), 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 27001:2013 CertifiedISTQB Gold PartnerTop . NET Developer in Ukraine 2023 by Clutch#1 IT Employer in Lviv, Ukraine by DOULeobit 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. In addition to our software development services, we have a Leobit Design Studio that specializes in creating an engaging digital experience for your business. Link: https://leobit. design/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:. NET software developmentAI/LLM software developmentCustom software developmentDedicated development teamWeb app developmentMobile app developmentCloud developmentSoftware architecture designUI/UX designBusiness analysisQuality assuranceApp support & maintenanceTechnology consulting

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.

Software solutions for your business growth. SmartTek Solutions is a software development company that delivers software products, managed IT outsourcing services, and solution engineering to world-renowned customers. Our mission is to deliver intelligent and smart solutions to our clients, leveraging cutting-edge technologies and talented people across the globe. By leveraging top-notch technologies combined with the latest innovations and trends, SmartTek constantly helps companies stay at the forefront of a tech-driven business environment. We specialize in: → Web Development → AR/VR Development → ERP Development → Mobile Development → Cloud Development → IoT Development → Dedicated Team (R&D) → Technology Consulting. Industry and domain expertise: FinTech, Healthcare, Real Estate, AgriTech, PropTech, Trading, Logistic, EdTech, Automotive. Whether it's ERP implementation, VR training simulator, or eCommerce website development, we perceive each of our clients' requests with passion, creativity, and readiness to deliver incredible results. We're looking forward to getting in touch with you!

IoT, Digital Health, Fintech, and custom software Vakoms is a custom software development company, delivering end-to-end IT solutions and services, including IoT. Product development solutions Full cycle product development Prototyping and MVP development Firmware and embedded development Software development services Internet of Things (home automation), firmware & embedded software for digital health companies fintech development Web: web apps, APIs, Big Data and cloud solutions Mobile: native and cross-platform apps for iOS and Android Desktop: native and cross-platform apps for Windows, macOS, Linux Key technologies Python, Java, C/C++, Node. js, JavaScript, TypeScript, Angular, React, Qt, QML, Swift, Kotlin. Cooperation models Dedicated team Staff augmentation

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.

At Unicore Group, we specialize in delivering end-to-end solutions that transform your ideas into thriving businesses. From conceptualizing your vision to acquiring and retaining users, our customized services are designed to meet your unique goals and drive sustainable growth. Our Core ExpertiseCustom Solution Development: Create custom software and tools to meet the specific needs of your business. Outstaffing Services: Expand your team with top-quality professionals who can be easily integrated into your projects. Design on Demand: Elevate your brand with visually stunning and impactful designs tailored for your audience. Mobile Marketing Personalised: in-app traffic attraction solutionsWhy Choose Unicore Group?We are dedicated to understanding your business’s unique challenges and opportunities. By working closely with you, we ensure that every solution is customized to deliver measurable results. From strategy to execution, our team provides exceptional service and support at every stage of your journey. Let’s build your success together.

✅ We effectively cooperate with non-technical clients, providing CTO-as-a-Service solutions. If you are at the beginning of the startup path, we are the right team to assist you with the technical aspect of your project. 🧩 If you already have a team and the product on the market, we can collaborate on a team augmentation basis. Our developers are proficient in English, attentive to details, and can efficiently work with your in-house engineers and managers. It will be a missing puzzle that will fit perfectly into your ecosystem. 🎯 Our main focus and expertise are in the following domains: - On-demand Map-based apps; - Social-networking apps; - Photo & Video apps; - Dating apps; - Sport and Fitness; - Wellness and Healthcare; - eCommerce; - FinTech. 💎 We have a proven 5-year history of successful consulting and full-cycle development cases in the digital area. 💻 Here is our tech stack:- Swift, Objective-C for iOS;- Java, Kotlin for Android;- Flutter & React Native for Hybrid apps;- React. js for web pages;- Node. Js for the backend. 🔐 We have high standards in code creation and contributed to the open-source dev community. But what’s more important, we have an organized delivery process, tailored for every project because no two cases are alike. For making our Code perfect, we integrate Unit tests, do daily Pull-Requests & Code Reviews, apply Automated testing, and use styling libraries, that allow us to keep the same pattern of coding when working as a team. 🌐 Our partners are located in Canada, the US, and Israel and we have successful cooperation cases in which our devs became dedicated team members of our partner’s company. It just feels like you are working with in-house product engineers. 📌 We are currently open for new collaboration so if you need a streamlined and proficient development team for your geolocation-based, social, or wellness project, feel free to get in touch with us.

We’re a front-end development and design company that specializes in transforming your ideas into custom user interfaces using the latest technologies. Such companies as American Airlines, JetBlue, Bosch, Siemens, Linkedin, BMW, and Porsche use our solutions. Single focus on front-end technologies and designTop-notch technical background of our devs (no Junior developers). Outstanding soft skills with direct communication with our developers, with no third-person involvement, if needed. 7 years on the IT battlefield, 9. 9/10 willing to refer score. The single focus on front-end technologies and constant improvement of our developers allows us to build and grow your digital product and really meet your business goals.  Let's talk about building something amazing today 🚀

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.

Onix is a full-cycle software development company that builds well-suited solutions to drive company outcomes for startups, small and medium-sized businesses. 1100+  Successfully delivered projects24+  Years of experience in software development55+ Countries represented by clients370+ Talented multi‑dimensional expertsWe’re a competent software development team that delivers reliable products for various industry domains:-> eLearning-> Travel & Tourism-> Healthcare-> FinTech-> Sports & Fitness-> Retail & E-commerce-> SaaSWe offer a full range of software development services to shape your idea into a viable product and help your business succeed. Our development services comprise well‑established methodologies and years of experience in building exceptional custom software solutions on time and within budget!Get innovative, secure, and solid products using our full-cycle software development services:-> Mobile App Development (iOS, Android, cross-platform solutions)-> VR/AR Development-> Web Development-> UI/UX Design-> DevOps-> QA-> Building a Dedicated Team-> Discovery Phase-> MVP Development-> UX Audit-> Lean InceptionOur solutions boost clients' business efficiency and satisfy users'expectations. We use a reliable and top-notch set of technologies to deliver products of the highest quality. Backend development: Python, Node. js, Java, Ruby, PHPFrontend development: React. js, Vue. js, CSS, HTML5Mobile development: Kotlin, Flutter, Swift, Objective-C, React NativePlatform customization: Shopify, WordPress, Salesforce,  Magento,OpenCart, CanvaVR/AR and 3D design: Unity, Visual Studio, Blender, Maya, Houdini, V-RayCloud storage: AWS, Azure, Google Cloud Platform,  Heroku, DigitalOceanOur software development model is fully transparent and efficient since we use the agile approach to manage the development process. Need help developing a web or mobile app?GET IN TOUCH WITH US FOR A FREE CONSULTATION!

Eventyr is a team of technical and business professionals who deliver advanced software development services for different business areas. We aim to build long-term, mutually beneficial relationships with our clients and solve their issues with cutting-edge software solutions. Your business is growing — we are growing together with you. Our company is a member of Sigma Software Group, which unites more than 9000 employees in 11 countries.  

Scelex is a software and service technology company. We deliver tailored software solutions through a dedicated end-to-end development process, utilizing the latest technologies to address the distinct needs of each client. We've brought together all the best practices and ideas, that we discovered while working in large IT-corporations, to create a unique company, that will satisfy clients' business needs and produce high-quality solutions.  Scelex's mission is to empower businesses through innovative technology solutions that enhance efficiency, drive growth, and create competitive advantages in the ever-evolving digital landscape. Our expertise includes:- Serverless Architecture- Frontend Development based on React- Backend Development based on Node. js- Mobile Development based on React Native for both iOS and Android devices- Amazon Web Services (AWS)- DevOps Engineering- UI/UX Design- Quality AssuranceWe are eager to collaborate with you and help transform your ideas into leading products. Contact us to discuss how our expertise can contribute to your project's success.