Riverside Assessments LLC acquired software as a service platform ESGI LLC for an undisclosed amount.

Riverside, doing business as Riverside Insights, is a portfolio company of Alpine Investors and is based in Itasca, Ill.

Founded in 2001, ESGI, or Educational Software for Guiding Instruction, creates real-time, early childhood student data in reports, graphs, parent letters and flashcards.

Alpine and Riverside were advised by Wilson Sonsini Goodrich & Rosati, while ESGI was advised by Dorsey & Whitney. Craig-Hallum Capital Group was the M&A adviser.

Alpine Investors targets midmarket companies in the software and services industries.