Why ontoit advisory services? At Ontoit, we specialise in Infrastructure Advisory, Project Management and Program Advisory with a commitment to achieving the best project outcomes for our clients. We bring a readiness to solve the unexpected, agility to adapt and a tenacity to pursue perfection.Why choose ontonto innovation? Onto Innovation collaborates with its customers around the globe to develop innovative, data-driven solutions that increase the yield and profitability of their microelectronics and display manufacturing operations.