Martis Capital, a middle-market private equity firm, completed a majority investment in NaviMed Capital-backed Lighthouse Lab Services, a provider of turnkey lab build-out and management services. Financial terms were not disclosed. "This is a tremendous milestone for the entire Lighthouse team. We are thrilled to have the opportunity to work with Martis Capital to advance our mission and help laboratories across the country start, run, and grow quality testing operations. We have had two great years working with NaviMed Capital and are delighted that they will remain involved in this next chapter, as well. With this amazing support, I couldn't be more excited for the bright future of Lighthouse," Mark Roth, Lighthouse Lab Services CEO.