About Us

Oldenburg Accountants & Advisors is a boutique CPA firm serving small and medium-sized business owners. Our clients are closely-held businesses, family-run companies and entrepreneurs in various industries including construction, real estate, manufacturing, staffing, financial services, professionals, and others.

Owner and founder Susan Oldenburg started the firm in 1991 and continues to serve her clients for their accounting, tax and business planning needs. Susan is directly involved with and regularly meets with every business owner. As a CPA, she has a comprehensive knowledge of tax and accounting, and as a business owner, she understands what it takes to run a successful business. Susan is continually learning and always exceeds the Illinois continuing professional education requirements.

OUR PROMISE:

• To always be reachable and highly responsive
• To welcome your questions and to NOT charge for your phone calls
• To give you an up-front fee quote and stick with it
• To deliver our reports on time with accuracy and completeness
• To use our professional expertise to help you lower your tax bill
• To guarantee your complete satisfaction with our work

Member of AICPA and Illinois CPA Society.