Professional services firm Sikich has agreed to acquire Oak Brook-based public accounting firm Scanlan & Leo Ltd.

"The addition of Scanlan & Leo will strengthen our accounting, tax and audit services," said Tom Krehbiel, partner-in-charge of Sikich's CPA services, in a statement. "We look forward to drawing on the Scanlan & Leo team's experience working with a diverse range of industries to bolster our service offerings."

Scanlan & Leo offers accounting, audit, tax compliance and planning, and advisory services to companies across industries.

Scanlan & Leo Co-Owner John Scanlan added: "We were drawn to Sikich because of the firm's impressive talent and commitment to technology-driven innovation. We're excited to be able to offer our clients access to a wider range of solutions. This move will also give our employees access to new resources and growth opportunities."

The Scanlan & Leo team will join Sikich's Naperville office. Scanlan and Joseph Leo will join Sikich as partners. The transaction is scheduled to close on Nov. 1.