Selleo

Selleo is a software development partner headquartered in Poland, specializing in custom web and mobile solutions. Since 2005, they have been crafting software for clients globally, focusing on industries such as EdTech, HRTech, and SaaS. Their team of over 100 developers, designers, and tech leads work collaboratively to transform complex ideas into scalable digital solutions.

Selleo offers a range of services including custom software development, DevOps, SaaS development, and UX/UI design. They emphasize a full-cycle product development approach, from discovery and scoping to design, development, testing, and launch. Their process includes rapid prototyping for validation and AI integration to enhance product functionality and user experience.

Clients appreciate Selleo's quality, communication, and proactive approach, as evidenced by their 4.7/5 rating on Clutch. They are recognized for building lasting partnerships and delivering value through structured, transparent, and predictable execution. Their expertise in creating learning management systems and HR technology solutions helps organizations scale development and improve performance.