Adage Accounting Inc. is a tax and accounting firm based in Glendale Heights, IL, serving individuals, small businesses, and other business clients. The firm describes its work as professional, personalized guidance across financial and business needs, with services ranging from basic tax management and accounting support to more detailed financial statement and planning work.

Its listed capabilities include tax preparation and tax planning, bookkeeping, payroll, sales tax, IRS notice and audit help, and support for new business formation. Clients can also access online resources intended to assist with tax processes and financial decision-making, including tax forms, publications, financial calculators, news, and related links.

The firm works with clients through in-person and remote service formats, with a focus on understanding client needs through communication, research, and analysis.