Colleen Black & Co PC CPA is a CPA firm in Billings, MT serving tax and accounting needs for individuals and organizations. The firm’s stated client focus includes business owners, executives, and independent professionals, with services that cover tax preparation, tax planning, bookkeeping, payroll, and business support.

Its tax work includes individual and business tax preparation, IRS notice and audit help, non-filed returns, back taxes owed, liens, levies, payment plans, and related tax problem support. For business clients, the firm also lists small business accounting, business consultation, payroll services, nonprofit organization support, new business formation, sales tax, and QuickBooks-related assistance.