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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.

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 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.  

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

JEVERA (previously called JBS) is a Ukrainian software development company established back in 2010. We focus on custom software development and legacy migration, helping our clients to compete and launch digital services and tech products faster. Our main domains of expertise are Telecommunications, Retail, and Healthcare. Back in 2015, our tech team developed a low-code platform that we actively use in commercial projects to accelerate software development.

Custom Software, B2C & B2B E-Commerce, CRM & ERP SolidBrain is a software development company represented almost worldwide. SolidBrain offers the development of commercial websites from scratch, namely from the analysis of business ideas and the creation of MVP to the deployment of full-fledged web resources. Our specialization is eCommerce projects, CRM, ERP, and B2B automation. That is why we know the nuances and master the tools of eCommerce. It sets us apart from the competition, and in turn, gives you the following advantages: 📎 obtaining an effective resource with an attractive interface and decent functionality; 📎 convenient and affordable site management; 📎 easy-to-use navigation of the commercial platform; 📎 the best implementation of your ideas thanks to our huge experience in trade and analytics; 📎 competent placement of important information on the main page that encourages consumers to take active action; 📎 working with a resource adapted to mobile devices and thus increasing your customer base; 📎 the ability to place more than 10 mln items in the online store with fast loading of product cards. 📌 The main task of SolidBrain is to make your company a leader among competitors, increasing clients profits. 🎯 Our main goal is to develop an effective concept for creating websites that can increase rankings and generate systematic income of the appropriate level. ⭐️ We are proud of: 📌 creation of effective functional tools that brings a high conversion of online stores; 📌 development of projects with corporate identity, attractive design and convenient usability; 📌 fast loading of pages on websites with a great variety of goods; 📌 deep analysis and accuracy of determining the target audience and its needs; 📌 establishing productive communication between business and end-users through proven techniques in the field of web design.

Software engineering and IT consulting Yalantis is a distinguished software engineering and IT consulting company with over 15 years of experience, boasting ISO 9001, ISO 27701, ISO/IEC 27001 and AWS certifications. With a network of development centers spread across Europe and a team of over 500 highly qualified experts, we are well-equipped to deliver exceptional solutions. Our esteemed clientele includes industry leaders such as Toyota Tsusho, Bosch, Zillow, KPMG, Google X, RAKwireless, Orbis Systems, and Healthfully. Our expertise spans IoT, AI and ML, BI and Analytics, Big Data, Data science, Cloud & DevOps, Cybersecurity, Performance engineering, RPA, Low code solutions, UI and UX design, Edge computing, and more. We cater to a diverse range of industries, including Energy and resources, Fintech, Healthcare, ISVs, Logistics, Manufacturing, Real estate, and Automotive. Our comprehensive suite of solutions encompasses SaaS development, end-to-end business solutions, digital transformation, mobile software products, communication tools, and blockchain integration.

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

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.

Link The World To Digital. We are a leading software development company based in Ukraine, specializing in delivering tailored software solutions and top-notch IT consulting services globally. Our expert technical team, headquartered in Kyiv, consists of highly skilled web and mobile developers, inquisitive business analysts, talented UI/UX designers and QA engineers, and dedicated project managers. As a software outsourcing company and web development agency, we thrive on unlocking new opportunities for start-ups and establishment businesses that are looking to drive innovation and growth. Our main values are high-quality work, agile development methodologies, and excellent communication with clients at all stages of work. We assist our clients in achieving digital transformation by serving as a strategic partner, which results in the enhancement of their products, acceleration of service delivery, optimization of operational efficiency, and expansion into new markets. We are rapidly implementing AI and machine learning solutions into our clients' products and evolving as an AI development company. Our services include: Discovery stage (Business analysis) UX/UI design Mobile App Development Web App Development QA and testing DevOps IT consulting Our holistic approach ensures that we address every aspect of your project, from concept to deployment, to provide you with the most effective digital solutions. Proudly recognized as an Upwork Top Rated Agency, we've consistently proven our commitment to delivering excellence and innovation in every project we undertake.

ORIL is a custom software development company established in 2015 with an R&D Center in Lviv and Headquarters in the US. The company specializes in PropTech and also develops technology solutions for various industries, including FinTech, IoT, HealthTech, Marketplaces, and Transportation & Automotive. By focusing on understanding and addressing the needs of each client, we have earned the trust of over 50 companies, making us a reliable partner. Our services include:– Product Strategy Consulting– UI/UX Design– Product Development– Digital Transformation– Salesforce Development– AI EnablementWith over 9 years of experience in web and app development, ORIL has successfully delivered business solutions to clients worldwide. From product strategy and design to implementation and scaling, we offer full-cycle software development. We create web and mobile applications, as well as complex custom platforms, designed to boost user engagement and meet industry demands. We also support organizations in their digital transformation, enhancing operational efficiency and strengthening their market presence.   

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.