Howell Tax Service LLC is a tax preparation provider in Zion, Illinois, serving clients in Lake County. The firm works with individuals, small businesses, and taxpayers with multi-state returns, with services centered on income tax filing and related tax needs.

Its listed capabilities include standard and multi-year income tax returns, electronic filing, tax planning, sales tax, bookkeeping, payroll, accounting services, new business formation, and IRS notice and audit help. The source notes in-person service by appointment and states that the business is backed by over 15 years of experience.