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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

Avenga is an international consultancy and technology partner delivering unique solutions that solve complex business and societal challenges. With 6000+ specialists they operate globally and provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and UI design, managed services, product development, and software development. Avenga serves a wide range of industries, from telecom and satellite operators to banking, manufacturing, automotive, mobility, and healthcare - driving their AI-first transformation.  Their AI capabilities are embedded across all offerings, enabling organizations to drive intelligent automation, accelerate decision-making, and deliver highly personalized user experiences. Avenga is a part of the technology pillar within the family owned KKCG Group.  

Cody Solutions - Increases revenue per employee by business process automation, offering end-to-end services from process mining to custom AI, RPA and IoT solutions. We help businesses boost efficiency, cut costs with seamless technology integration across industries like logistics & inventory, healthcare, retail, and education.  

Stfalcon has been developing custom web services and mobile apps for over 15 years. Since last year, we've managed to get 15 new projects; the number of employees at Stfalcon has increased by 20%. We operate a management system to the requirements of ISO 9001: 2015. Services we provide:Discovery Phase in 4-6 weeksUI/UX DesignDedicated teamsWeb/Mobile developmentCross-platform app developmentMVP for startups in 2-3 monthsDevOpsOur expertise includes:FinTech / Blockchain / Crypto app developmentTransportation and Logistics Software SolutionsIT solutions for automation in the medical fieldSince 2009, our projects have included Nova Post (the top private parcel delivery service in Ukraine), MeinfernBus (the most prominent German bus operator), CRM, ERP, TMS, and apps for taxi and booking. Contact us, and we will be happy to create something awesome for you!

SOFTWARE DEVELOPMENT & MANAGED SERVICES FOR AWS-BASED BUSINESSESWe build, modernize, and support software products optimized for cost, security, and top performance. By partnering with Romexsoft, you gain the benefits of a high-performing in-house team — without the overhead costs. Established in 2004, Romexsoft is an AWS Advanced Tier Services Partner, a trusted software development vendor, and a managed services provider. We have a proven track record in industries such as Healthcare, Biotech, Fintech, E-commerce, EdTech, and AdTech. Our services:- Custom Software Development (web and mobile)- AWS Cloud Consulting- Software Testing- DevOps Services (24x7 AWS DevOps Support, Cost Optimization, Security Optimization, Modernization, CI/CD)Expertise:- Cloud Application Development- Application Modernization- AWS Cloud Migration- Infrastructure on AWS- DevOps Services- 24x7 DevOps Support

FIVE provides services in the following technological directions:Cloud servers and servicesDesktop applicationsWeb applications and websitesMobile applicationsEmbedded developmentWe have only happy customers! We have successfully completed every project FIVE engineers have been working on!We don't charge for management, all of our invoices include only technical hours. We propose architecture and project analysis for free!We know how to build efficient team and can find great talets to empower your business.

The Real-Time Business Platform

Are you looking for someone to bring your ideas to life? Or open your business to the mobile/web industry with over 7 billion users worldwide? Is it time to finally go "online"?If your answer is yes to any of those, then Deviark would be the best match for you. We can offer you a team of experienced Mobile Developers, Front-End, Back-End Developers, UI/UX Designers, QA Engineers, and Project Managers. They would all make sure that your ideas and thoughts are transitioned into the final solution and that all your requests are fulfilled (or at least 99 % of them)We have worked on over 40+ apps & websites so far & we're proud of each and every of those. With us, you'll get a top-notch team and the highest quality of services possible:✅ A professional team of engineers with experience in mid and large scale solutions✅ Clear and smooth communication with all team members working on your project✅ Code made in accordance with all industry standards and approaches✅ Ability to check the status at each given momentWe want to become your development partner and grow with you exponentially. With benefits for each side.

Scaling up engineering capacity. WeOne is an IT company, and a hiring platform for businesses of any size. Our goal is to connect IT professionals with companies in need. To provide this mission we’ve built our solution based on AI, and given a convenient way to connect businesses with desired talents. More than this, all talents on the platform are not only preselected by AI, they put through the vetting process, that contains fact checking, English proficiency tests, and qualification interviews with a coding challenge. On top of that, our company has enough capacity to advise and help in the areas of our expertise.

APOM Solutions — IT company customizes and support Software Development Teams and R&D centers in Ukraine. Mainly provides outstaff & outsource services to their clients. We connect clients from all over the world with experienced developers. We create and unite the most powerful international teams.

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.

We're a full-cycle consulting and software development company, with expert product teams experienced in Finance and Media & Entertainment, with a special emphasis on Ticketing. At Softjourn, we turn ideas into working software and are passionate about our work. Our team specializes in creating software for fintech, event ticketing, and media companies. We know your industry and speak the same language.  We work closely with our clients from start to finish. Our engineers use their skills and industry knowledge to build software that meets your current needs and helps you grow. As technology changes, we proactively keep up with new developments to ensure your business stays competitive.