ITASCA, IL (January 1, 2022) — CDH, P.C. (CDH), a leading international accounting and advisory firm, has united with Pier & Associates, Ltd. (Pier), an Illinois-based full-service accounting firm. Strategic growth is a primary initiative for both CDH and Pier.

“As we expand within the Chicagoland market and beyond, we are confident that Pier will bring enhanced expertise to our advisory services,” said Wendy Kelly, CEO and Managing Principal of CDH. “We have worked with Pier for many years, and they have impressed us with their commitment to holistically serving their longstanding client relationships, providing personal attention, responsiveness, and value. Together we have many synergies, and there is no limit to what we can achieve together.”

Pier, an Illinois-based accounting firm, was founded in 1991 and provides accounting, audit, tax and business advisory services to individuals and private companies in various industries. Founder Mary Lou Pier has successfully led the firm over the years and will continue as an important part of CDH.

“Our affiliation with CDH will allow us to build on the success that we have realized over the past thirty years,” said Mary Lou Pier, Founder of Pier & Associates. “As we integrate our teams of exceptional professionals, we look forward to deepening our relationship and broadening our services to clients. Our strong culture and focus on client service closely mirror that of CDH. In today’s world of constant change, we believe forming the right alliance will allow us to continue to provide the high quality of services we have taken pride in for years.”

Founded in 1996, CDH provides private companies and organizations with industry-focused assurance, accounting, tax and advisory services to help clients overcome today’s challenges and plan for tomorrow. CDH is a member of Moore Global, a strategic affiliation that connects CDH to accounting firms worldwide and expands its international expertise.

In 2021, CDH was recognized as one of the Best Places to Work in Illinois for the tenth year by the Daily Herald Business Ledger and is among the nation’s top 300 accounting and business consulting firms.

About CDH

CDH is dedicated to providing a full suite of services, including public accounting and advisory, to businesses and individuals worldwide. Our experience spans numerous market sectors, including manufacturing, nonprofit, distribution, and hospitality. For more information, visit

For further information, please contact Charlene DeCrease by e-mail at [email protected].