Costello Company, LLC is a Hebron, CT accounting firm serving individuals, small businesses, executives, and independent professionals. The firm provides accounting, tax, bookkeeping, and advisory support, with services that include personal financial planning, business accounting, cash flow management, and new business formation.

Its tax work covers individual and business tax preparation, tax planning, estate and trust tax services, and help with IRS notices, audits, back taxes, liens, levies, and payment plans. Costello Company, LLC also supports QuickBooks setup and training, including answers to QuickBooks questions and tune-up services.

The firm’s stated client experience includes small businesses, individuals, law firms, and real estate professionals, with remote availability noted in the profile facts.