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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 Gold 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

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.

“Vchasno” offers digital solutions for simple and transparent business management, including electronic document management, HR process automation, issuance of electronic receipts, creation of secure digital signatures, contract exchange with partners, processing of waybills, and submission of reports for private entrepreneurs. All services are provided online — quickly, conveniently, and with full legal security.  Vchasno’s digital services are part of the Ukrainian product IT company group — Vchasno Group. Vchasno offers the following range of services: Vchasno. EDO — a convenient service for managing all your documents in one place: create, sign, exchange, and store them online. Vchasno. Kadry — an HR electronic document management service. Vchasno. Kasa — a software-based cash register (PRRO) for issuing receipts and fiscalizing payments. Vchasno. KEP — a secure digital signature service. Vchasno. Zvit — a unified platform for small and medium-sized businesses, enabling you to prepare and submit reports, sign documents, and manage bank accounts from a single dashboard. Vchasno. EDI — a solution built on international standards to automate and optimize electronic document flow. Its main goal is to digitize all document-related processes across industries — from retail and logistics to banking. Vchasno. TTN — a reliable tool trusted by thousands of carriers and suppliers. It simplifies goods tracking and digitizes the exchange of waybills.

Coderfy, a bespoke software development company, specializes in crafting tailored solutions for diverse industries, including web and software development, quality assurance, UI/UX design, and advanced ChatGPT chatbots. Based in Ukraine, USA, and the UK, we provide cost-effective and timely solutions, seamlessly executing projects aligned with your strategic goals. Experienced in: Custom Software Development🚀💻: We create scalable, robust, and tailor-made software solutions that drive efficiency and growth for businesses of all sizes. Web Design and Development🎨🌐: Our team of expert designers and developers craft stunning websites and web applications that leave a lasting impression on users while delivering exceptional functionality. Mobile App Development📱✨: We excel in developing feature-rich mobile apps that cater to diverse platforms, ensuring seamless user experiences. IT Consulting🤝🔍: Our seasoned consultants provide strategic guidance to help clients leverage technology for competitive advantage, offering insights that align IT with business goals. Custom ChatGPT chatbots🤖💬. Leveraging OpenAI's advanced language models, we design and develop custom ChatGPT chatbots that enhance customer engagement, streamline operations, and provide valuable assistance on your website in 24 hours. Stack Programming Languages📝💻: JavaScript, TypeScript, PHP Frontend🖼️🌐: React, Angular, Next. js, Nuxt. js, Vue. js, HTML/CSS/JS + JQuery, Bootstrap, Tailwind, yii2 Mobile App Development📱🚀: React Native, Flutter Backend⚙️🔧: Node. js, Express. js, Nest. js Databases🗃️🔍: MySQL, MongoDB, Redis, Firebase DevOps and Repositories🛠️🔄: Linux Repositories, Docker, Kubernetes, CI/CD, Git, Gitlab, Github Other Technologies🌐🔧: Nginx, Strapi, Sendgrid, Postman, Twilio, REST API, WebSocket Choose Coderfy for a customized approach to software development that's "Half the price & Faster twice!"

Geniusee is a software development company that creates unique software products.  Founded in 2017 in Kyiv, the company has gathered 200+ geniuses who have implemented more than 180 projects in FinTech, EdTech, AI, and other industries. Our clients range from huge market players such as Dell and Bloomberg to mid-sized businesses and startups that are backed by Andreessen Horowitz, TechStars, and YC. We provide full-cycle software development, tech and business consulting, and support for our clients at all stages of development. Geniusee is a certified AWS Consulting and AWS Advanced Tier Service Partner with AWS Lambda Service Delivery Designation and AWS Education Services Competency. Among significant achievements that prove the high quality of Geniusee services are Certificates: ISO 9001:2015 - Quality Management and ISO 27001 - Information Security Management. What we offer:- Discovery Phase for detailed product scoping in 2-3 weeks- Web/mobile product development`- MVP for startups and businesses in 2-3 months- Complex cloud solutions implementation based on Amazon Web Services, Google Cloud, Azure- AI staff augmentation services- CTO as a service at all stages of development- Dedicated teams with proven expertise & certifications- User-centered product design by UI/UX experts- Data science: proof of concept (POC) based on analytics & modeling- Product maintenance and support services- Legacy reengineering service Our expertise includes:- Serverless Architecture- Frontend development based on React and Vue. js- Backend development based on Node. js, Python, . NET, Java, and PHP- Mobile development based on ReactNative, Swift, and Kotlin- Amazon Web Services- Business Analysis- Data Science, AI & ML- DevOps Engineering- UI/UX Design- Automation and manual quality control and assuranceLook no further! Innovate, Accelerate, and Thrive together with the Geniusee team!

Where science and technology work for you. At Abto Software, we harness the power of cutting-edge technologies to deliver custom solutions tailored to your business needs. As a Microsoft Gold Certified Partner, we specialize in areas like . NET development, AI and machine learning, cloud solutions, mobile and web development, and legacy system modernization. Since 2007, our team has successfully delivered over 50 enterprise-level projects across industries such as healthcare, retail, FinTech, energy, and government. Our expertise spans from building scalable cloud-native applications to deploying AI-powered tools that streamline operations and enhance decision-making. Key achievements include crafting healthcare platforms that improve patient outcomes, developing AI-driven recommendation engines for retail, and migrating legacy ERP systems to modern architectures. What sets us apart is our client-first approach—we listen, collaborate, and deliver solutions that drive measurable results. Whether you're a startup or an established enterprise, we ensure transparency, flexibility, and technical excellence in every project. Let us transform your vision into reality. Partner with Abto Software to elevate your business through innovative technology.

We offer expert SERVICES for your business needs, discover how we can help your business succeed. Web DevelopmentWe specialize in designing and developing custom, responsive and user-friendly websites that align with your business goals and objectives. Mobile DevelopmentWe offer professional mobile app development services to create cutting-edge, high-performing and user-friendly mobile applications across various. UI/UX DesignWe provide expert UI/UX design services to create intuitive and visually stunning digital interfaces that enhance user experience and drive conversions. We provide innovative technology SOLUTION for your business growth, browse to see how we can help your business reach new heights. Dedicated TeamDedicated Team helps companies achieve cost-efficient and flexible delivery of IT services by providing access to our skilled team. For BussinesBusiness Solution provides established companies with customized technology solutions that drive efficiency, growth. For StartUpStartUp Solution helps new businesses establish a solid online presence and streamline operations with cutting-edge technology. Ready to share your business idea WITH US?We are professionals, engineers, and designers who solve complex business challenges and create the best solutions.

We are a reputable IT Innovation House with a strong track record in supporting businesses from Pre-Seed to Series C, global accelerators, and VCs alike. Employing our ScaleFlex™ methodology as a framework for all engagements, we free business leaders to focus on commercial priorities.  

We are a software development company that provides digital technology services. From mobile and web development to custom software solutions. We are dedicated to delivering innovative, high-quality solutions tailored to your unique needs. 🎯 We are extremely strong at:1. GPS & Maps🗺. We worked with:GoogleMaps, HereSDK, MapBox, AppleMaps2. Banking & Payments📈 We worked with: ID validation services, Crypto services, Payment systems, Integrations. 3. Social & Loyalties👪 We developed: Rewards, loyalty cards, Social networks, Chats

Product development company that drives growth COAX has been transforming bold concepts into market-ready products for 14 years. Our team offers full-cycle development services for startups and established businesses in B2B and B2C markets. WHAT WE DO Product discovery and strategy development Fast and scalable MVP development Implementation of complex cloud solutions AI/ML integration and custom model development Product-as-a-Service Seamless API integrations IoT integrations of any complexity Bespoke web, mobile, and cross-platform development Legacy software modernization and reengineering User-centered and sustainable UI/UX design Comprehensive quality assurance and testing automation DevOps and Site Reliability Engineering (SRE) IT consulting and ongoing post-launch support Digital marketing We're all about delivering excellence, and we do it fast. More than just development – we offer deep commitment, expertise, and community support. We drive growth through technology, helping our clients find shortcuts they never thought of – and win user hearts with optimal solutions. INDUSTRIES WE KNOW BEST ✓ Travel & hospitality ✓ Ecommerce ✓ Finance ✓ Transport & logistics ✓ Real estate & construction ✓ Health & fitness We build lasting partnerships, earning your trust with tangible results. That's why we choose to focus on several niches instead of trying to be Jack of all trades – and it pays off with in-depth expertise and ability to deliver exceptional solutions. WHY CHOOSE COAX ➊ A team adjusting to your schedule and needs ➋ Guaranteed data protection ➌ Skilled engineers with a holistic approach to development ➍ Efficient and transparent processes ➎ Expertise in your niche Need a hand with developing software solution that hits the spot?

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.

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.