Expansio

Expansio is a software house based in Poznań, Poland, founded by Mateusz Jarus. The company has over 12 developers and builds mobile apps, web applications, and machine learning solutions, often for startups and corporations. It's unusual among dev shops in that Expansio itself has built and launched its own products—CodeAll, a chatbot-based coding education platform, and Enter the Game, a corporate training game—giving it direct experience with startup acceleration and product development. The team is structured around a "teal organization" model, which Expansio says influences how it approaches work and communication with clients.

Services and capabilities

Expansio develops iOS and Android apps, typically using React Native for cross-platform work. Backend is handled in PHP. The company also offers machine learning services, particularly for R&D projects. On the frontend, Expansio works with React.js and React Native; it builds responsive web apps, though it notes a preference for template-based website projects over bespoke web builds.

React Native is their stated choice because it allows code written once to run on both iOS and Android with modifications, reducing development time compared to native apps for each platform. When platform-specific functionality is needed, the team can write native code in Java, Objective-C, or Swift. Backend services are developed in PHP.

Machine learning work includes natural language processing and chatbot development. The BigData Chatbot project demonstrates this: it's a machine-learning system that extracts knowledge from uploaded documents and answers questions about them semantically, rather than via keyword matching. The tool is designed for multi-department organizations managing large document collections (regulations, procedures, contracts, documentation).

Mobile app costs range from $20,000 to $60,000 depending on complexity, with more complex projects reaching $100,000. Clients own all intellectual property rights to delivered code.

Notable work

Expansio has deployed apps for Volkswagen: a communication app used by over 10,000 people at Volkswagen Poznań (similar to an internal Facebook with posts, images, videos, event calendar, FAQs, and recruitment integration); and Enter the Game, an educational mobile game deployed to over 1,000 Volkswagen employees teaching Factory 4.0 concepts. The game is now being developed further in cooperation with Ericsson for 5G network education. The company also built a courier app for one of Poland's largest retailers, though details are restricted by NDA.

CodeAll, Expansio's own product, is a mobile chatbot teaching coding through wireless sensors and IoT interactions. Users talk to a chatbot, code on their phone, and see results in physical devices—a light turning on after clapping, a parking sensor, an intelligent fridge. CodeAll was selected to TOP 10 EdTech startups worldwide at South Summit conference and has been presented across South Africa, Switzerland, Spain, and Rwanda.

Client testimonials mention strong project understanding, flexible execution, good communication, and willingness to incorporate user feedback.

Accolades and funding

Expansio has received multiple awards and grant funding. The company was selected to Google Launchpad Start (one of 10 startups in Poland), the Swiss Kickstart accelerator in Zurich (one of 30 selected from 900 applicants globally), and Startup Spark. It won the Edulab competition as the most promising educational startup in Poland and ranked 14th in the 50 Most Creative in Business competition. The company received a 2,200,000 PLN grant from Poland's National Center for Research and Development (NCBR). Mateusz Jarus, the CEO, is an alumnus of Cambridge University's TOP 500 Innovators program (a government-funded MBA-level initiative).

How they work

Expansio operates from Poznań Science and Technology Park, giving access to startup mentors and advisors. The company asks potential clients to think through project functionalities and provide mockups or user flow sketches to enable accurate pricing. The team is described as flexible, taking responsibility for deliverables and applying user feedback iteratively. As a "teal organization," Expansio says it operates with open communication and distributed decision-making, which it claims makes work more efficient.

Team and credentials

The 12+ person team includes Mateusz Jarus (CEO, founder of three startups, graduated Poznań University of Technology, interned at Cambridge and Notre Dame); Marcin (backend and AI engineer specializing in PHP and NLP, 7+ years experience); Przemek (React.js/React Native team lead, 12 years web development); Michał (UX designer, Cambridge and RISD graduate, co-founder of BeCREO Technologies); and Bogdan (embedded systems expert, Ph.D., author of 40+ scientific papers, 15+ R&D projects). Advisory board members include Adrian (data science/ML expert with experience at Avaya, Microsoft, Amazon, Volkswagen) and Łukasz (data scientist/AI architect, 10+ years experience, Ph.D. student, co-author of scientific publications on NLP). Kamil is an AI engineer with 5+ years NLP experience conducting university classes. The team includes several React Native developers, a product manager, copywriter, and online marketing specialist.

Languages: The company works in Polish and English. Bogdan's profile notes he earned his degree "with honors." Adrian and Łukasz have published in top-tier journals and conferences (NeurIPS, InterSpeech, ACL).

The company operates under a teal/turquoise organizational model, which emphasizes self-management and trust-based hierarchies.