Greenwood represents lenders with commercial real estate projects, construction loans, and other transactional matters. He also represents clients facing bankruptcy disputes, litigation, loan workouts, restructuring, and complex real estate issues. He resolves title issues for property owners and title insurance companies when mortgages or deeds are defective or when the property is sold for delinquent taxes.

Paul is recognized in Best Lawyers in the categories of Banking and Finance Law and Bankruptcy and Creditor Debtor Rights/Insolvency and Reorganization Law. In 2017 he served as the Chair of the Bankruptcy and Commercial Law Section of the Birmingham Bar Association.