Oldenburg Accountants & Advisors Email Format

AccountingIllinois, United States1 Employees

Oldenburg Accountants & Advisors is a small, owner-led CPA practice based in Grayslake, Illinois, founded in 1991. It provides tax, accounting, and advisory services to small and mid-sized enterprises in northern Illinois and the Chicagoland area, with a client base that is typically family-owned and multi-generational. The owner, Sue Oldenburg, works directly with every business owner client to sustain long-term relationships.

The firm emphasizes proactive, data-informed guidance that helps clients interpret financial indicators and make decisions grounded in reality. Its services cover profitability tracking across multiple dimensions, cash-flow forecasting, peer benchmarking, defining critical success factors, and establishing KPIs, as well as presenting financial information to lenders to support loan applications.

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