Sikich is a professional services firm founded in 1982 and headquartered at 1415 W. Diehl Road in Naperville, Illinois, in the Chicago metropolitan area. As of 2024-2025 the firm reports nearly 2,000 employees and operates from approximately 40 locations across the United States, with additional offices internationally. CEO Christopher Geier leads the company. In May 2024, Sikich secured a $250 million minority growth investment from Bain Capital while maintaining majority ownership control.
Sikich operates a broad technology practice that implements and manages multiple ERP and CRM platforms, including Oracle NetSuite, Microsoft Dynamics 365, Salesforce, and Oracle Cloud. The firm received Oracle NetSuite's 5-Star Partner Award in 2018 and again in 2019, and in April 2025 was recognised with NetSuite's Winter 2025 Alliance Partner Spotlight Award in the Biotech and Biopharma category for its SuiteSuccess for Life Sciences offering, which targets pre-revenue life-sciences organisations going live in as little as 60 days.
The NetSuite practice serves discrete manufacturing, process and chemical manufacturing, distribution, life sciences (with more than 275 implementations cited), horticulture, and professional services. Sikich also offers ongoing support, helpdesk, training, and managed services such as its System Administrator for Life Sciences (SAL) for NetSuite. Beyond technology, Sikich is one of the larger CPA-affiliated firms in the United States and provides advisory, audit, and tax services alongside its technology practice.