TETHYS is focused on deep foundations design and test in onshore and offshore fields with dedicated team of qualified and experienced engineers. We are providing total solutions from engineering and construction to quality assurance. We always strive to support projects and clients with planning, designing and management to get their high satisfaction. Our Services are included as: Pile Integrity Test - PIT Pile Dynamic Analysis - PDA Pile Static Loading Test GRLWEAP - Wave and Driveability Analysis CAPWAP - Pile Loading Capacity Assessment