Our philosophy is simple: Our success comes from helping others succeed.
More than 50 years of successful project partnerships showcase our design expertise in comprehensive architecture and engineering. We’re dedicated to creating solutions that work, maintaining long-term partnerships, and retaining talent. GLHN works as a trusted advisor and extension of your staff, leveraging the team’s collective expertise to provide solutions that meet both immediate and long-term future needs. We’re more than your consultants—we’re your partners.
Culture & Values
GLHN Team Members Raft the Snake River in Jackson WY at the RMA APPA Annual Education Conference
GLHN President Henry Johnstone in the field!
A Rewarding Surprise!
In 2018 the students of College of Architecture Planning & Landscape Architecture (CAPLA) at the University of Arizona surprised GLHN by submitting the Environment & Natural Resources 2 (ENR2) building completed in 2015 for the USGBC Heavy Metal award and won! Joyce Kelly a key team member for the project accepted the award on behalf of GLHN.
GLHN cutting the ribbon on another 50 years of business
An annual tradition of camping and family fun on Mt. Lemmon
Working in the Big Room
As a multidiscipline firm working in a collaborative environment is an essential part of our project planning and company culture