Nutshell is a web and mobile customer service management (CRM) service. Contains web applications, as well as mobile apps for iOS and Android platforms. Nutshell is headquartered in the city of Ann Arbor, Michigan. Nutshell integrates with other SaaS services for small businesses, including G Suite, Office 365, Zendesk, MailChimp, and Wufoo. In March 2014, Nutshell discontinued integration with LinkedIn, in response to a ban on LinkedIn API access to CRMs, including Nutshell, Zoho, and Capsule.