Posted: June 14, 2023

Kent, Ohio – Davey Resource Group, Inc., (DRG) a subsidiary of The Davey Tree Expert Company, announces partnership with Singapore-based business intelligence company greehill, which is setting the pace for urban tree monitoring by applying artificial intelligence to a traditionally labor-intensive industry. DRG has a long history of bringing innovative solutions to market, and this is another great example of how DRG will advance urban forestry and tree care across the globe. greehill employee surveying a tree with greehill car in background

Since 2017, greehill has developed 3D digital twins and automated analyses of urban trees through a combination of high-resolution cameras, mobile laser scanning (MLS), terrestrial laser scanning (TLS), satellite imagery and proprietary machine learning algorithms. The solution reduces the time and costs associated with a city-wide tree inventory, making accurate insights accessible to cities of all sizes. The company's aim is to help cities become healthier, safer and more resilient by providing rich and objective information to support urban forest monitoring and decision making.

digital twin of a tree produced by greehill technology

With DRG’s industry expertise and greehill’s solution, DRG and greehill can assess exponentially more trees per day, help cities better calculate the social, environmental and economic benefits provided by existing trees and execute effective tree removal, pruning and planting initiatives to meet each city's agenda. 

With most of greehill’s work being completed in Europe and Asia, greehill is now expanding its activities through North America. The strategic partnership with DRG will help integrate this leading solution into the North American market starting in June 2023.

“This partnership with greehill is exciting because DRG will be able to utilize this new urban forestry technology to complete more urban forestry projects in the U.S. and bring additional value to our clients,” said Josh Behounek, business development manager for DRG. “greehill’s solution helps to drastically reduce the amount of time it takes to collect urban forestry data; therefore, we’ll be able to complete more tree inventories for more cities and use the data to thoughtfully plan tree maintenance and planting projects in our urban areas.”

Gabor Goertz, CEO and co-founder of greehill, said, “The partnership between DRG and greehill brings the best of both worlds to clients across North America. With DRG’s longstanding history of excellence and expertise and greehill’s innovative technology, clients can trust that they receive the most accurate, advanced and up-to-date information about their urban forest possible today.”


Davey Resource Group is a subsidiary of The Davey Tree Expert Company. The Davey Tree Expert Company, established in 1880 and headquartered in Kent, Ohio, provides research-driven tree services, grounds maintenance and environmental consulting for residential, utility, commercial and environmental partners in the U.S. and Canada. With 11,000 employees, Davey Tree is the eighth largest employee-owned company in the U.S. Visit to learn more about Davey Tree and discover your next career opportunity.

greehill is a business intelligence company on a mission to improve urban life through healthier and safer urban trees. The company’s 3D Digital Twin Technology is accelerating the digital transformation of green asset management to enhance urban sustainability, biodiversity, resilience, and well-being. greehill's unique combination of laser scanning, machine learning and AI helps cities to create digital tree inventories and monitor urban forests. Founded in Singapore in 2017, greehill has grown rapidly into a multinational company with offices also in Berlin, Budapest, Paris, and San Francisco. Follow greehill on its journey to redefine how cities use technology to manage the urban environment at


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