Based on the provided reviews, Custom Tax & Business Services is a trusted firm for company setup and tax preparation. Multiple reviewers highlight their reliable and professional service over many years. Clients report being impressed by their speed, responsiveness, and confidence. The service is noted for correcting past returns and finding missed refunds, providing significant financial relief and peace of mind. Reviews describe the team as helpful and thorough, especially in complex or difficult personal circumstances, ensuring things are done correctly. Clients express deep gratitude for the help provided to them and their families. The firm comes highly recommended, with clients stating they will continue using the services and recommending them to others.