Construction Testing Solutions Group, a provider of geotechnical consulting, construction materials testing and surveying and monitoring services, completed the acquisition of In Situ Site Investigation, a provider of geotechnical and geo-environmental site investigation. Financial terms were not disclosed. “In Situ Site Investigation is an extraordinary company with a fantastic service offering and team and we are excited to be working with them. Continuing to grow our capabilities and expand our portfolio whilst at the same time growing and further strengthening our client relationships across our business is critical to our ongoing success and is at the very heart of our strategy. This acquisition complements the previous deals announced over the past two years and reinforces our commitment to growth through attracting complimentary businesses and market leading talent," Phil Coles, CTS Group CEO.