Sonja Sonderman

Senior Manager, Tax Services
Professional Experience

Sonja Sonderman rejoined GreerWalker in 2023 and is a Senior Manager in the Tax Services group serving clients primarily in the manufacturing and distribution industry. Prior to rejoining the firm, Sonja most recently worked in the Tax Department of a Fortune 500 multinational corporation where she focused on US International taxation and resolving global tax issues. In addition, Sonja spent ten years at the largest US utility company focusing on federal taxation, energy tax incentives and regulatory matters.

With her 20+ years’ experience in both public accounting and industry, Sonja strives to be a trusted advisor and to provide high-quality service to her clients’. Furthermore, she is eager to resolve her clients’ global and domestic tax issues by finding solutions through tax planning and compliance.

Industry Focus

Manufacturing, Distribution, Global Services

Areas of Expertise

Business Taxation, Global Tax Issues, Cross-border Transactions, Income Tax Planning, Energy Incentives, Expatriate Services, Individual Taxation


Bachelor of Arts in Accounting, Queens University of Charlotte, NC



Certified Public Accountant, North Carolina, Certificate # 27650

Professional Affiliations
  • American Institute of Certified Public Accountants
  • North Carolina Association of Certified Public Accountants

Get In Touch With Us

Should be Empty:
Get in Touch With GreerWalker