Bolnick Tax Group LLC is a tax and accounting firm based in Marengo, IL. The firm provides tax and financial advice for individuals and businesses, with services that include individual and business tax preparation, tax planning, bookkeeping, payroll, accounting services, and help with IRS notices and audits.

The firm works with small businesses and individuals, and its listed industry experience includes real estate, manufacturing, law firms, hospitality, healthcare, dentists, and construction. Source materials also describe a focus on serving CPA firms and tax practitioners by acquiring standalone 1040 clients that may no longer fit their current business model.