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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

30 Years of Future-Proof Software Excellence For over three decades, we’ve delivered world-class software to Fortune 500 companies and innovative startups, navigating every economic climate to optimize production costs and maximize ROI. Our clients trust us to solve complex business challenges with top-tier technical expertise, leading to increased revenue, secured investments, and improved margins. All our technical talent is in-house; we never outsource. We prioritize urgency, clear communication, and the execution power of a large enterprise. With continuous software lifecycle support, we ensure your technology projects consistently meet your business goals. Waverley’s specialists confirmed their competence in: AI & Chatbot development Software product engineering Enterprise digital transformation and consultation Cloud Migration & DevOps IoT architecture & delivery. Proven by Multiple Awards and Listed In: Top 1 Chatbot Companies in Ukraine by The Manifest, 2024 Top 5 Robotics Companies by Clutch, 2024 Top 5 AI Developers by Clutch, 2024 Top 5 Latin America Java Developers, 2024 Top 10 Ukraine Custom Software Developers by Clutch, 2024 Top 10 Eastern Europe IoT Companies by Clutch, 2024 Top 15 Top Diversity & Inclusion Software Development Companies by Clutch, 2024 Top 20 Machine Learning Companies in Eastern Europe by Clutch, 2024

Founded in 2018 in Geneva, Switzerland, Software Service & Innovation (SSI) has grown from a small startup to a recognized provider of IT services. We specialize in bespoke software development, complex IT solutions, and cutting-edge digital transformation, delivering Swiss-quality precision and result-driven solutions to businesses of all sizes. Our expert team is committed to clarity, quality, and responsibility, ensuring that every project we undertake is executed with technical excellence and innovation. Whether you need custom software, cloud solutions, or DevOps expertise, SSI delivers tailored, high-performance solutions designed to maximize your business potential.  Partner with SSI for innovation, reliability, and success in your digital journey! 🚀

The Real-Time Business Platform

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.

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.

Fintech Software Development Partner . doCode is your global software development partner from Eastern Europe. One of our main goals is to help businesses go more digital through our engineering and development expertise. We thrive specifically but not limited to Fintech and we provide services from MVP mobile banking apps to complex enterprise-grade financial solutions. If you share your concept, with our expertise, we’ll make it a successful product. Official AWS Partner ISO 27001 certified Our services: - Expert Consulting - High-level Architecture Development - Proof of Concept - Efficient Cloud Solutions - Full-cycle Product Development & Support - Product Maintenance & Support Cooperation models: - Project development (outsourcing model) - IT staff augmentation - Dedicated teams (outstaffing model) The technologies we use: Front-End: React. js, Vue. js, Angular Back-End: Node. js, Java, GoLang, . NET Mobile Development: React Native, Flutter, Kotlin, Swift DevOps: Amazon Web Services, Google Cloud Platform Design & BA: Prototyping, UI/UX design, Product design & Analytics, Design research & analysis Our already made solutions: CRM systems Administration tools Monitoring systems Custom web platforms Custom mobile applications Data Analytics Fintech: Onboarding & AML | KYC | KYB UK Local Payments | SEPA | SWIFT Currency Exchange Mobile banking | Digital Wallet Card issuing & management BaaS API implementation

Ciklum is a global Experience Engineering firm that stands at the forefront of innovation, blending next-generation product engineering, exceptional customer experiences, and cutting-edge AI. Its global team of over 4,000 highly skilled engineers, experience design specialists and consultants joins forces to engineer technology that paves the way for the future of your business.

Full-service Software Haven Volpis has expertise in diverse niches, from HealthTech and Social Media to Fleet Management, Navigation, Wellness, and EdTech. Now, we're ready to infuse innovation with your groundbreaking ideas. 🟢 WHY US: ▪ Care about relationships. “Clients for life” and “same boat” approach; ▪ Close collaboration - the more you'll be involved the better the result is; ▪ Deliver 101% result with Agile; ▪ Dedicated project managers and transparent delivery tracking to maintain ongoing feedback; ▪ The full-cycle development course, from Business Analysis and planning to QA and incremental improvements. ▪ Both Native & Cross-platform Mobile App development. 🟢 COMPANY PROFILE: ▪ Providing development services starting from 2016; ▪ 35+ team members and keep on growing; ▪ Leading Software Development Agency on Clutch in 2020. ▪ Top User Experience Company in GPS, Navigation & GIS on Clutch in 2024. 🟢 OUR SERVICES: ▪ Product Development; ▪ Mobile App Development (Native and Cross-platform); ▪ Android and iOS App Development; ▪ Full-Stack Web Development; ▪ Discovery Phase & Business Analysis; ▪ UX & UI Design (Web and Mobile); ▪ UX Research and audit; ▪ Product Redesign; ▪ Quality Assurance & Project Management; ▪ Maintenance and Support; ▪ Staff Augmentation. 🟢 TECHNOLOGIES: ▪ Mobile App Development: Android App Development (Java, Kotlin), iOS Development (Objective-C, Swift), Cross-platform App Development (Flutter); ▪ Web Development: JavaScript and related Front-End & Back-End frameworks (React. js, Vue. js, Node. js, Express. js, Nest. js), TypeScript; ▪ UX & UI Design: Figma, Sketch, InVision, Adobe Creative Suite 🟢 BUSINESS MODELS: ✔Time and Material (you pay exactly for the time spent on delivery) ✔Fixed-Price (we estimate the project scope and give definitive cost numbers) ✔Dedicated Team (our engineers get embedded into your team for the project timeframe and adopt your corporate culture)

Creative studio of brave ideas, people & solutions. twid is a creative studio of brave ideas, people, solutions, and clients. We create love around brands and help them to stand out. Our solutions are always based on a deep understanding of the market, competitors, and audience. This allows us to grasp people's attention and arouse strong emotions. Here's what we can do for you: 1. Brand strategy It consists of market research, the study of competitors, products, and customers. In the end, you get a brand positioning model and an understanding of how your product/service differs from competitors. 2. Visual identity Includes a design system and everything that will help clients recognize you: from logo and colors to social network content and merch. 3. Website and mobile app development We have extensive experience and an impressive portfolio in this field. Our solutions include presentation websites and complex e-commerce solutions built from scratch. 4. Communication strategy We find insight and shape the brand's communication based on desk research and interviews. We show how creative ideas are distributed through different channels to provide a coherent impression. 5. Ad campaigns It will allow you to speak out loud and develop your brand. Our team leads ad campaign production at all stages: from creative ideas and video production to further distribution. Additionally: naming, copywriting, sound design, 2D/3D graphics animation, and product packaging design.

Software Development Partner. VNV Solutions is a fairly young, but experienced and reliable company, we are only 1 year old now, but expanded to 60 people already and we dont even think to stop. In fact, VNV Solutions is a company with an innovative approach to how modern IT companies can work,we focus on business domains, not on technologies. We are not just a team of engineers who are experts in technologies, we are a team that has a common goal, values, and most importantly - expertise in business domains and are used to talking with our clients primarily about business value, and not about engineering issues. We use non-standard and new for our field sales methods, the latest approaches to development and working with the client, we are a "Show Kitchen" in the IT market, which is why our clients are so comfortable working with us.

Pecode is a full-cycle development agency focused on creating unique software for game-changing companies. We focus on developing web and mobile applications, from UXUI Design to deploying and maintenance. Our main strength is Quality Assurance. We offer a custom QA strategy and its full implementation. Along with an analysis of functional opportunities and both Manual and Automated testing of the application. Founded in 2017, today Pecode is a community of more than 160 professionals with 7+ years of experience in 10+ industries, and hundreds of successful projects.