Yoss Allen Bernstein Lightfoot, LLP is a Claremont, CA accounting firm serving individuals, businesses, and non-profit organizations. Its listed services include tax preparation and planning, accounting, bookkeeping, payroll, and new business formation, with additional support for personal financial planning, estate and trust tax matters, and business advisory needs.

The firm also lists services for QuickBooks, including setup, training, answers to QuickBooks questions, and tune-up support. Its public materials identify industry experience with construction, dentists, healthcare, hospitality, law firms, manufacturers, and real estate. Tax-related capabilities include individual and business tax preparation, cryptocurrency accounting services, tax relief, IRS audit representation, non-filed returns, back taxes owed, payroll tax problems, IRS payment plans, and getting an IRS file.