There are many options when it comes to assess trees and the area surrounding them both above and below ground level. We can assist you with the following tools.
PiCUS Sonic Tomograph
Scanning to measure hollowness and break resistance 
Treeqinetic pulling test
Complete risk assessment and calculation of safety and risk 
TreeTronic
Scanning to measure hollowness and early fungi infection 
IML Resi
Inspection drill detecting rot, cavities and cracks 
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Ground Penetrating Radar
Subsurface detection, mapping and visualization
Air-knife
Digging with air. Non-destructive for utilities and tree roots 
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