H4 was founded on February 29, 2016 in Warsaw.
Since then, we have prepared and implemented countless systems, web applications and dedicated specialist solutions.
Our clients are companies from many types of very diverse industries.
Throughout the years of operation, H4 has completed about 200 projects. We work in various models of cooperation, both as subcontractors for the Agency, offering programming services, as well as directly for the client, offering full service.Check the range of services
Our systems work in projects for large corporations and public institutions. They also help in the development of foundations, associations and small family businesses. We provide services available to everyone, and our systems have been used in projects for, among others: