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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.

Mirko Solutions is a software development company providing web and mobile development. Mirko can enhance your processes by implementing custom product design, quality assurance, and consulting services, ensuring that your solutions are tailored to meet your specific needs. With our expertise, your business can streamline operations and achieve greater 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

Blackthorn Vision is a software development company that specializes in creating custom solutions to meet any business needs. Founded by a team of experienced engineers, we’ve been providing our services since 2009. We are dedicated to helping companies bring their ideas to life and embrace innovations. Our team is focused on delivering quality products and supporting clients at every stage of their project’s lifecycle – from product discovery to implementation to post-launch optimization. Blackthorn Vision is there when you need us most. Reach out today and start making your vision a reality tomorrow!

Uptech is a mobile and web development company where ideas and expertise meet to become great software solutions. We help aspiring startups, and well-established businesses bring their bold ideas to life and launch mobile and web apps. Over more than 8 years of work, we've worked with some of the innovative companies, including Aspiration, Dollar Shave Club, Drone Base, Yaza. We've seen our clients grow from small startups to scalable companies – and celebrated every victory with them (and our clients raised $2. 2M 🚀)Our mission is to build successful software solutions that make a change in people’s lives. And we dare to make a change with you!By working with us, you not only get a 5-star product. You get- smooth communication & full support,- transparency of all processes,- a proactive experienced team,- an outside perspective view of the product, and- openness.  What services we provide:Discovery Stage (Business analysis)UX/UI DesignMobile App DevelopmentWeb App DevelopmentCustom Software DevelopmentWebsite DevelopmentStaff AugmentationOur technology stack: Kotlin, Java, Swift, React, Node. js, AWS. To know the price and duration of development, contact us at hello@uptech. team. We will specify the features of your app and provide you a full time&cost estimate.

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.  

Code for business, care for the world. Keenethics is a top-rank software engineering company focusing on end-to-end web development following Agile principles. Since 2015, we've worked with clients worldwide, primarily from the United States, the United Kingdom, and the EU. Our clients include enterprises such as Epson and proptech startups like Ruuster. We develop custom solutions for industrial tech, HRtech, and edtech. So far, our team of 100+ specialists has executed over 120 projects in: - web development - mobile development - MVP - SaaS development - UX/UI design - AI & machine learning - no-code Our key services: 1. Ideation and Discovery — Business analysis and UI/UX 2. Prototyping and Validation — Bubble for a 3x speed of development 3. Development — JS-based tech stack and cross-functional agile teams 4. Product growth and team augmentation — Elixir and Rust technologies 5. Maintenance — DevOps, AWS, Google Cloud Platform, and Azure technologies

Prozori Solutions is a Ukrainian software development and R&D company committed to empowering businesses, startups, and public sector organizations with secure, scalable, and high-performance software solutions. With over 15 years of experience and a team of 80+ professionals, we leverage cutting-edge technologies to drive digital transformation, streamline operations, and foster innovation. Beyond technology, we actively contribute to social impact initiatives, playing a key role in Ukraine’s digital transformation, particularly in Education, Procurement, and Healthcare. Our solutions help modernize public services, improve accessibility, and enhance transparency.

North South Tech is a leader in digital and app innovation and a Microsoft Partner, helping businesses harness the power of cloud, AI and automation. North South Tech focuses on digital and app innovation, delivering high-impact solutions across cloud,automation, and AI to drive efficiency, scalability, and business transformation. By connecting world-class engineering talent with enterprises, we accelerate software development, optimize performance, and drive digital transformation. Our expertise in Microsoft (Azure) and other technologies like Amazon (AWS), Google (GCP) that enables organizations to build scalable, high-performing applications that unlock new growth opportunities in an AI-driven world.

Trusted software development partner. Brainence is a software development company building first-class products and growing development teams. Over the past 7 years, we've teamed up with over 50 startups and established enterprises, helping them create impactful software solutions and hire top tech talent. Our services: Full-cycle custom software development Dedicated engineering teams for hire Web and mobile development SaaS development and cloud migration Customization development UI/UX design Quality assurance and testing DevOps Our technology stack: ReactNative Angular React . NET . NET Core Node. js ASP. NET

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.