About Us

GeoSIP is a Queensland company providing products and services Australia-wide.

GeoSIP directors, Johan Tijssen and Glen Donoghoe have extensive experience and expertise in construction and sustainable industries. Together with their network of specialists they are able to supply a superior building block system and provide services to the Australasian market.

Johan Tijssen

Director

Johan is a qualified builder with 20 years experience including building Hempcrete houses. He is a key figure in the development of the hemp building industry in Australia. He has developed certification, manuals and training programs to meet the growing interest and demand for hemp as a sustainable building material.

Glen Donoghoe

Director

Glen is a qualified business manager with over 30 years experience in management and operations across a diverse range of industries. During his entrepreneurial career as a business developer he has founded and worked with a number of successful organisations.

He has worked in natural resource management, and developed and introduced energy-efficient technologies to the HVAC industry. 

MOBILE +61 416 331 008
Sunshine Coast, QLD Australia

MOBILE +61 416 331 008
Sunshine Coast, QLD Australia