Tennessee LLC vs Idaho LLC (2026)
Compare Tennessee LLC vs Idaho LLC on filing fees, taxes, privacy laws, and annual costs. Find out which state is actually better for your business.
By Edmond Hui · Last updated: August 13, 2026
Verdict: Tennessee wins for most businesses
For most Tennessee-based businesses, forming locally in Tennessee is the smarter choice. You avoid paying fees in two states and managing compliance in both. Idaho only makes sense if your business genuinely operates there, and even then the total costs deserve a hard look.
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| Factor | Tennessee | Idaho |
|---|---|---|
| Filing Fee | $300 | $100 |
| Processing Time | Not published by the state | Not published by the state |
| Annual Report Fee | $300 | $0 |
| Annual Report Due | April 1 | Anniversary month |
| State Income Tax | No | Yes |
| Anonymous LLC | No | No |
| Publication Requirement | No | No |
| Foreign LLC Cost (if forming out-of-state) | N/A, you're in your home state | $300 + registered agent ~$150/yr |
Full fee breakdown for either state: Tennessee LLC cost and Idaho LLC cost.
Business Climate: Tennessee vs Idaho
| Factor | Tennessee | Idaho |
|---|---|---|
| 5-year business survival rate | 46.4% (#45 of 51) | 45.6% (#48 of 51) |
| Business application growth (2026 YTD (Jan to Jul) vs 2025 YTD (same months)) | +19.9% YoY (#16 of 51 by volume) | +15.4% YoY (#39 of 51 by volume) |
Sources: U.S. Bureau of Labor Statistics, Business Employment Dynamics · U.S. Census Bureau, Business Formation Statistics (BFS)
Compare LLC Costs: Tennessee vs Idaho
Tennessee
Idaho
Costs include every mandatory state charge: the filing fee, the report fee (annualised where a state files biennially), any state entity-level tax shown in its own row above, a one-time publication cost where a state requires publication, and any one-time registration charge a state requires before the LLC may trade. Annualising makes the 1, 3 and 5 year rows a cost of ownership rather than a payment schedule: a biennial state charges its whole report fee in the years it falls due and nothing in between. Entity-level taxes that only apply after a corporate election, or above an owner or income threshold, are excluded and flagged on the state's own cost page. New York's publication cost is carried at a $250 floor, roughly $200 of newspaper cost in a low-cost county plus the $50 Certificate of Publication fee. No county-clerk-designated New York City newspaper publishes a rate card, so the four-figure NYC estimates in wide circulation cannot be traced to a primary source and are not asserted here; budget for materially more than the floor if you file in a NYC county. Montana's annual report is free when filed by April 15 and $35 after, a waiver the Secretary of State applies at its discretion. Every fee was verified against the state's own fee schedule, statute, or revenue authority on 29 July 2026. Excludes registered agent and legal fees. For informational purposes only, not legal or tax advice.
Filing Fees & Formation Costs
Tennessee charges $300 to form an LLC, while Idaho charges $100. Idaho is $200 cheaper upfront. The cost that usually gets overlooked: if you form in Idaho but operate in Tennessee, you must also register as a foreign LLC in Tennessee (a $300 filing) and maintain a registered agent in Idaho (typically around $150 per year). That puts the realistic first-year cost of the Idaho route at roughly $550, versus $300 for simply forming in Tennessee. Speed isn't a basis for choosing between them: neither Tennessee nor Idaho publishes a standard processing time, so any figure comparing the two is guesswork.
Taxes: Tennessee vs Idaho
Tennessee has no personal income tax, while Idaho taxes individual income. Since pass-through LLC profits are taxed where you live and operate, a Tennessee-based owner keeps Tennessee's no-income-tax benefit either way. Forming in Idaho adds no tax advantage. Idaho levies a personal income tax (flat 5.695%). Tennessee imposes a franchise & excise tax on LLCs: $100 minimum franchise tax plus 6.5% excise tax on net earnings.
Privacy & Asset Protection
Neither Tennessee nor Idaho offers anonymous LLC formation: both states require owner or manager information on public filings. Idaho's annual report requires at least one member or manager (a 'governor'), and filings are public. Business owners who prioritize privacy typically form a holding company in a state like Wyoming or New Mexico instead. Both states provide charging-order protection for LLC members, and for most small businesses the practical difference in asset protection between the two is minimal.
Annual Maintenance Costs
Tennessee LLCs file an annual report ($300, due April 1), and Idaho LLCs file a free annual report (due in the anniversary month). If you form in Idaho while operating in Tennessee, you maintain filings in both states, Idaho's report plus Tennessee's equivalent for your foreign registration, and pay an Idaho registered agent roughly $150 per year. That brings ongoing costs of the Idaho route to roughly $450 per year, versus about $300 to keep a domestic Tennessee LLC in good standing. One more recurring cost to budget for: Tennessee imposes a franchise & excise tax on LLCs: $100 minimum franchise tax plus 6.5% excise tax on net earnings.
When Idaho Actually Makes Sense
Forming in Idaho makes sense in a few specific situations: your business genuinely operates in Idaho, with a real office, employees, or property there, or you're relocating to Idaho in the near future and accept taking on Idaho's personal income tax, which Tennessee doesn't levy. For a typical small business based in Tennessee, none of these usually apply. Registering an Idaho LLC to do business back home means $300 in Tennessee foreign-registration fees, on top of Idaho's $100 formation fee, while Tennessee's own annual report runs $300 a year and is due April 1. When in doubt, form where you actually do business.
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