Banking law covers the many state and federal regulations governing financial institutions. Attorneys who practice in this area of the law handle everything from customer disputes and complaints against a bank, to complex litigation between domestic and foreign institutions, their investors, the government, and other parties. However, most banking law attorneys are hired to provide advice concerning regulatory compliance. Banks may choose to maintain in-house counsel for this purpose, or to seek assistance from an independent law firm.

Banking law also deals with the various transactions that arise as a financial institution goes about serving its customers and growing its business. Legal documents may need to be drafted to address individual accounts, such as a workout agreement for a customer who wants to avoid the repercussions of default. On a larger scale, a bank may need to develop standardized customer agreements in conjunction with new products or lending programs. Transactional matters can also involve the establishment of a de novo charter, the sale or purchase of a branch, or the creation of a new holding company.