NTT Finance Corporation is a major company in the NTT Group, providing financial, payment and billing services for businesses and customers. It describes its role as a comprehensive payments and financial platform within the group, aiming to create new value and contribute to society through sustainable financial services.

Its business spans billing, credit cards, accounting, group finance and venture capital. For organizations, NTT Finance offers collection agency services, consolidated billing and solutions to streamline accounting operations. These include the corporate Billing ONE service, cloud-based electronic book storage through ClimberCloud, accounting consultancy and outsourcing, and accounting workforce development support. Its PaySol solution helps businesses introduce card payments.

Customers can use Web Billing to check charges online, including through a 24-hour service, and can request consolidated bills. The company also provides information and procedures related to payments, invoices, account changes and document reissuance. NTT Finance presents its services as a way to meet diverse needs while supporting customers, business partners and NTT Group companies through payments and financial operations.