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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

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! 🚀

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.

R&D center and Development Team for your business. Newxel is a global provider of R&D centers and dedicated tech teams, offering end-to-end recruitment and back-office services. Choose Newxel for Rapid setup of global R&D centers / offshore teams in 3-5 weeks. Commitment to recruiting 5 engineers in the first month, 20 in three months, and 100 in a year. Transfer of all back-office operations to Newxel's side to reduce overhead. No-risk partnership with payment only once the team is formed. Transparent pricing model with a fixed price per talent per month. Our main services are IT Staff Augmentation. Custom Software Development. HR Outsourcing. Newxel's team of 30+ recruiters will search for top talents for your business in Ukraine, Poland, Romania, Portugal, Turkey, and Bulgaria. Once your Dream Team is hired, our local operations team and people partners provide ongoing support, ensuring high team satisfaction and performance, resulting in a 94% retention rate!

Top Python & Django Development Company since 2011 Why do clients choose us? We specialize in Python & Django software development only We're experts in Django security, scaling & performance related tasks We're among the top at Clutch. co Because of Our Portfolio We authored Python/Django book What do we do? Digitalize and automate business processes for small and medium-sized companies. Also, we build and launch MVPs for brand-new SaaS startups How do we do it? We provide a complete cycle of services from product strategy to launch and monthly support retainers. Software Startup Workshop (aka Discovery Phase) UX & Design stage MVP development: Agile ideology + Scrum methodology Launch and Post-Release support with monthly retainers Our Team 35+ experts on board Full-stack developers with 10+ years of experience OpenSource lovers and contributors: https://github. com/softformance Our 3 Core Principles Focus on high-level Client's Business Needs Shipping beats Perfection Team-client communication is of the same importance as Code Quality Does it resonate with you? Then contact us to help you out with your project!

Reenbit is a сlient-focused software development company based in Eastern Europe. We stand out from the crowd because we're a solution partner ready to take customer challenges head on. We propose profound technical expertise and can work within any models that fit our client's needs, offering a dedicated team approach or staff augmentation. Our core specialities are software development and cloud consulting. Additionally, we offer mobile development, quality assurance, business analysis and business intelligence services. Cloud engineering services:Cloud consultingCloud developmentData engineeringSecurityDevOps maintenance and supportSoftware development services: Web developmentBack-end developmentFront-end developmentSaaS developmentDatabase consultingPOC, MVP, Prototype improvementWe are experts in the following technologies and tools:. NET: . NET Framework, . NET CORE, . NET 5/6, ASP. NET/CORE/MVC/Web Forms, Razor, Blazor, Entity Framework/Core, Web API, Roslyn. Azure: App Services, Function Apps, Logic Apps, Virtual Networks, Application gateways, Storage Accounts, Notification Hub, SignalR, Azure SQL, SQL Elastic pools, Data Factory, Event Hub, API Management, Service Bus, Azure Active Directory, Key Vault, Application Insights, Azure Cosmos DB, ARM Templates. Database: MS SQL, MySQL, PostgreSQL, Maria DB, Mongo DB, Cosmos DB, Azure Table Storage,  Redis DB, Azure Data Factory. Data Engineering: Power BI, Azure Data Factory, Azure Data Lake. CI/CD: Azure DevOps, Docker, Kubernetes, Github Actions, Jenkins. Cross-platform mobile development: React Native, Ionic. WEB: Angular, React, Node. js. Reenbit. Superior technical solution delivery to businesses on the verge of transformation.

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Crafting Excellence & Delivering Web/Mobile Apps. Count on LaSoft, your reliable partner in software development. Since 2014, we've been crafting and delivering cutting-edge web and mobile applications for startups, SMBs, and enterprises across the globe. From the bustling tech hubs of the USA, Canada, Netherlands, Israel, Germany, Switzerland, and the UK to dynamic markets like Saudi Arabia and Nigeria, our reach knows no bounds. At LaSoft, we specialize in a diverse range of services tailored to elevate your business: Software Development: Tailored solutions just for you. UI/UX: Designing captivating interfaces that resonate with your audience. MVP Development: Transforming ideas into market-ready products quickly. IT Consulting: Offering strategic guidance to optimize your technological initiatives. Web and Mobile Development: Building intuitive and scalable platforms for seamless user experiences. Product Design: Shaping innovative concepts into compelling digital products. Dedicated Team: Providing expert teams dedicated to your project's success. Quality Assurance: Ensuring the highest standards of performance and reliability in every project we undertake. Our dedicated team has successfully supported hundreds of web projects to ensure their continued success. The products we craft are trusted by top Silicon Valley companies. Why LaSoft? Established Expertise: Over ten years, we've mastered the IT market, refining our approach to consistently deliver exceptional results. Extensive Portfolio: We've proudly crafted 100+ successful products, each a testament to our commitment to excellence and innovation. Diverse Industry Expertise: With experience across 19 industries, we understand the nuances of each sector and its distinct challenges. Multifaceted Team: With a roster of over 120 professionals, including experts from diverse backgrounds and specialties, we bring a wealth of skills and perspectives to every project. Choose LaSoft: Your success partner. Build greatness with us.

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.

ARTJOKER is a full-scope outsourced software consulting company that provides product discovery, custom software solutions, and cost-saving DevOps services for startups, medium-sized businesses, and large corporations in Fintech, Ecommerce, Real Estate, and Logistics. We focus on integrating AI into our solutions to enhance innovation and efficiency. For 18 years, ARTJOKER, as an EU-based company, has been a reliable partner for businesses in Western Europe, Israel, and the USA. Our team offers expert engineering support and valuable insights to help our clients solve their most challenging business problems.

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.

Full-Cycle Software Development Company,Since 2000 Established in 2000, DevCom is a full-cycle custom outsourcing software development company. DevCom handles project development throughout the entire lifecycle: starting with strategic planning, through application development and quality assurance, to technical delivery, production maintenance, and support. Services: Custom Software Development Web / Desktop / Mobile Development Dedicated Development Teams IT Support Testing / QA Expertise: Cloud (AWS, Azure) DevOps SaaS API App Re-Engineering Custom Business Management Systems, CRM/ERP Databases Business Intelligence Industries: Logistics and Transportation Healthcare Finance Nonprofits Construction and Engineering Retail and E-commerce Sport and Entertainment