HHM works as a contractor, house builder and project developer in the Danish residential market. Its activities include detached houses for private clients, terraced housing, apartment and development projects, as well as renovation and commercial construction.

The company coordinates design, engineering, authority documentation, budgeting and execution, with different delivery models depending on the project. For housing buyers and developers, HHM provides conventional permanent construction and development services rather than a catalogue of transportable modular homes.