Nissi Group Inc

Nissi Group, Inc. (NGI), is a national independent management, consulting, and support services firm. Nissi Group, Inc. (NGI), is a national independent management, consulting, and support services firm that focuses on the issues and needs affecting ...

Nissi Group, Inc. (NGI), is a national independent management, consulting, and support services firm. Nissi Group, Inc. (NGI), is a national independent management, consulting, and support services firm that focuses on the issues and needs affecting the service industry, both public and private. We are particularly known for our specialized expertise in project management, customer service reviews (which includes our Mystery Rider/Shopper service), in addition to professional administrative services and support. Since 2005, NGI has been providing management and support services to both the public and private sectors.