Indiana Bookkeeping Services

Indiana is one of the easiest states in the country to get sales tax right and one of the easiest to get payroll wrong. Sales tax is a flat 7% statewide with no local add-ons — one rate, everywhere, no destination lookup. Income tax is a flat state rate. The complication is the county income tax: every Indiana county levies its own, at its own rate, and the rate that applies to an employee is generally determined by where they lived on a set annual determination date rather than where they work. Get the county wrong on a new hire and the error repeats every pay run until someone notices.

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On This Page

• Indiana’s small-business tax landscape
• County income tax follows residence, not the office
• One sales-tax rate, statewide
• The biennial report is easier to forget than an annual one
• Indiana cities we serve
• Indiana FAQs

Indiana’s Small-Business Tax Landscape

Indiana Department of Revenue and Secretary of State, checked 3 October 2026. County income tax rates are set by county and change — confirm current rates and the applicable determination date with the Department or your CPA.

County Income Tax Follows Residence, Not the Office

Every Indiana county levies a local income tax, and for employees the applicable county is generally the one they lived in on the annual determination date — not the county where your office sits.

That single distinction produces most of the Indiana payroll errors we see. A business in Marion County with staff commuting from Hamilton, Hendricks, Johnson and Boone counties has four different county rates to apply, and the default assumption — everyone gets the employer’s county — is wrong for most of the workforce.

Because the rate is small, the error is not obvious in any single pay run. It compounds quietly across a year and across every affected employee, and the correction, when it comes, is retrospective and awkward. The prevention is simply capturing county of residence at hire and reviewing it annually — a bookkeeping routine, not a tax decision.

One Sales-Tax Rate, Statewide

Indiana charges 7% sales tax and permits no local add-ons. For an Indiana seller selling to Indiana customers, that is the entire rate question — no county tables, no destination sourcing within the state, no district stacking.

It is worth appreciating what that removes, because businesses in Colorado, Washington and Arizona spend real money managing exactly this. In Indiana the discipline reduces to the fundamentals: reconcile tax collected against tax remitted every month, document exemption certificates properly, and make sure refunds reverse the tax as well as the sale.

Exemption certificates are the one place Indiana sellers do get caught, particularly those selling to manufacturers and farmers where exemptions are common. A missing certificate turns an exempt sale into an assessed one at audit.

The Biennial Report Is Easier to Forget Than an Annual One

Indiana requires a business entity report with the Secretary of State, and for most entities it is biennial rather than annual.

That sounds like a saving and in practice is a hazard. An annual obligation becomes a habit; a two-yearly one never does. Nobody builds a routine around something that happens every other year, so it is reliably the filing that lapses — and a lapsed entity surfaces at a bank, in due diligence, or when a customer asks for proof of good standing.

We keep a filing calendar alongside the books for exactly this category of obligation: small, infrequent, and disproportionately costly to miss.

Indiana Cities We Serve

Dedicated local guide: Indianapolis — plus Fort Wayne, Evansville, South Bend, Carmel, Fishers and Bloomington, and every corner of the state, all served remotely. Browse all locations.

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Indiana Bookkeeping FAQs

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