H&R Block is a trusted business known for its professional and knowledgeable tax preparers. Many clients have had positive experiences, especially with staff members like Tammy Donaldson, who has helped clients for years by providing helpful guidance and ensuring accurate tax returns. Customers appreciate her expertise, which has led to less stress during tax season and better financial outcomes. New clients also find the staff friendly and supportive, with some mentioning a positive experience with other team members. Overall, H&R Block offers reliable service, helpful advice, and a welcoming environment, making it a popular choice for individuals and small business owners alike.