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Mobile App Design and Development Company Perpetio is your one-stop destination for app & web design and development. Operating since 2014, we’ve successfully delivered 150+ projects that top the charts in the market and are used by millions of people worldwide. Being a full-stack development company with an HQ in Tallinn, Estonia, and an R&D office based in Lviv, Ukraine, we cover: Business Analysis Planning, UI/UX Design Backend/Client Architecture Development Quality Assurance Deployment Maintenance and Support. If you’re looking for a winning partnership, contact us today and let’s get started! 🥇 Why Choose Us? - Our apps top the charts in AppStore/Google Play - 9+ years of success and counting - 100% English-speaking team Whether you need to launch your MVP quickly or need expert consultancy for your business, Perpetio is a great partner to help you succeed. So why wait? Let's create something amazing together! 🤝

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.

In 2022, as busy parents and engineers, we found ourselves facing the same fertility struggles that touch so many families. That's when we realized we needed a better way—a more convenient, clearer way to understand our bodies. So, we created Ovul. Our little egg-shaped ovulation monitor combines the best of technology with the convenience, reliability, and clarity every family deserves. This digital fertility tracker is designed to slip easily into your daily routine, offering precise insights with privacy and ease. Whether you're searching for how to check ovulation at home or looking for a modern alternative to a traditional fertile focus saliva ovulation microscope, Ovul brings innovation and comfort together. This is our story of innovation and support, woven into every Ovul ovulation monitor, making sure no one feels alone on their journey to parenthood.

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.

Since 1999, UST has collaborated with the world's leading companies, creating a powerful impact through transformation. Our digital solutions, proprietary platforms, engineering expertise, R&D, and innovation ecosystem transform key challenges into impactful, disruptive solutions. With deep industry knowledge and a future-ready approach, we bring expertise, innovation, and agility to our clients’ organizations—delivering measurable value and driving positive, lasting change for them, their customers, and communities worldwide. In 2022, UST expanded its presence in Eastern Europe by acquiring the Ukrainian outsourcing company ITernal Group, marking its first office in Ukraine. This acquisition strengthened UST’s position in the Ukrainian market and contributed to the development of the local IT ecosystem. (inventure. com. ua).  In 2024, UST further expanded its SAP partnership into the Ukrainian market in the Sell and Service areas, achieving Silver partnership status.  Together, with 30,000+ employees across 30+ countries, we build for boundless impact—touching billions of lives in the process. For more insights, watch this discussion.  

We provide comprehensive solutions that help you grow your business in the digital environment. From effective software to integration services.

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.

Impressit combines deep AI engineering expertise with a rapid deployment model to help mid-market and enterprise companies move from AI experimentation to production-ready systems.  Rather than offering staff augmentation or generic consulting, Impressit provide integrated teams that take ownership of delivery while working within your existing processes and infrastructure.  Our approach centers on building secure, scalable AI platforms — from RAG systems and voice interfaces to custom copilots — that remain under your control, avoiding the limitations and risks of public LLM dependencies.

Span LLC is part of the international Span Group headquartered in Croatia, with over 30 years of experience in building and developing information systems for businesses worldwide. With three decades of experience, Span has become a trusted technology partner for companies in the global market. In the past 5 years alone, the team has successfully delivered over 1,400 complex IT projects. The company maintains strategic partnerships with leading global manufacturers of IT equipment, data center solutions, software, and major public cloud service providers. Span places particular emphasis on its Microsoft partnership, holding 12 advanced specializations in key areas: from infrastructure and security to modern solutions using artificial intelligence. In Ukraine, the Span team has been operating since 2018 and has already twice earned the Microsoft Partner of the Year status! The Ukrainian team of certified specialists helps businesses, government institutions, and charitable organizations modernize their operations through modern technologies. The company`s services include: building cloud and on-premises infrastructure, strengthening cybersecurity, automating business processes, implementing data analytics systems, software audit and licensing, technical support, deploying enterprise AI solutions, and many others. Span Ukraine`s comprehensive approach ensures maximum effectiveness of implemented solutions. This includes training sessions for users to help them work effectively with new tools, specialized training for clients' technical teams, as well as ongoing technical support and consultations at all stages of cooperation. Span builds a true ecosystem around its clients, growing side by side with their business through regular free training events on new technologies, sharing international project experience, and organizing technology meetups together with leading software vendors.

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.  

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.

Everlabs is a full-cycle software partner born in Cherkasy, Ukraine and now collaborating with clients and teams across the US and Europe. For 11+ years our cross-functional squad of engineers, designers and PMs has delivered SaaS, e-commerce and logistics platforms that reach millions of users and helped founders like Trainual and GoldAvenue scale or exit successfully. Clients score us a perfect 5. 0 on Clutch for quality, schedule and value.   Ruby on Rails is still our happy place, ReactJS powers our front-ends and Swift/Kotlin keep us native, yet we reach for . NET, NodeJS or serverless whenever that’s the smartest fit. We pair that technical range with lean, transparent workflows and an ownership mindset that treats every project as a product, not just a backlog. Behind the scenes you’ll find a knowledge-sharing culture, professional–development budgets and a flexible hybrid setup — so if you’re a curious engineer, designer or QA looking to work with modern tech and real product challenges, we’d love to meet you. Follow #teameverlabs on Instagram and see how we work! 🚀