Get latest articles and stories on Business at LatestLY. Guidehouse, a leading global provider of consulting and managed services to public sector and commercial clients, today announced the commencement of its operation from Chennai. Guidehouse is the fastest-growing global consulting firm, serving both commercial and public sector markets supporting clients within sectors including Healthcare, Life Sciences, Financial Services, Energy, Sustainability, and Infrastructure. Business News | Guidehouse Commences Operation in Chennai.