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Idaho new business filings

New businesses in Idaho, by county

662 new LLCs and corporations with an Idaho address filed with the Secretary of State in the last 7 days of published filings (Oct 16–22, 2026), and 1,086 since Oct 12. The busiest counties since Oct 12: Ada (386), Canyon (135), Kootenai (109), Bonneville (71), Bannock (37).

662Last 7 days
1,086Since Oct 12 (Oct 12–22)
43Counties with a new filing (since Oct 12)

Statewide trend

Our records start on Oct 12, 2026, so there's only 1 full week of history so far. This chart grows every week as new filings come in.

Week (Mon–Sun, by filing date)Filings
Week of Oct 12607
Week of Oct 19 (Oct 19–22 so far)479

Lighter bars are weeks we only have part of. Idaho publishes filings about a week after they're filed, so the newest days keep filling in for a while.

All 44 counties

CountyLast 7 daysSince Oct 12
Ada County230386
Adams County01
Bannock County2237
Bear Lake County36
Benewah County25
Bingham County916
Blaine County1523
Boise County11
Bonner County2334
Bonneville County3871
Boundary County59
Butte County00
Camas County23
Canyon County85135
Caribou County25
Cassia County1012
Clark County01
Clearwater County13
Custer County13
Elmore County45
Franklin County46
Fremont County48
Gem County48
Gooding County13
Idaho County410
Jefferson County1529
Jerome County46
Kootenai County70109
Latah County610
Lemhi County34
Lewis County11
Lincoln County23
Madison County2127
Minidoka County49
Nez Perce County1016
Oneida County44
Owyhee County34
Payette County611
Power County14
Shoshone County37
Teton County911
Twin Falls County2029
Valley County66
Washington County45

Counts leave out filings whose only address is a registered agent's office or a mail drop, and companies whose address is outside Idaho. Records start Oct 12, 2026; updated Oct 23, 2026 from Idaho Secretary of State public records.

Leads by line of work

For the busiest counties, there are pages built around what insurance agents, CPAs and bookkeepers, merchant services reps, and web and marketing agencies each look for in a new business.

Ada County: InsuranceAda County: CPA & bookkeepingAda County: Merchant servicesAda County: Web & marketingCanyon County: InsuranceCanyon County: CPA & bookkeepingCanyon County: Merchant servicesCanyon County: Web & marketingKootenai County: InsuranceKootenai County: CPA & bookkeepingKootenai County: Merchant servicesKootenai County: Web & marketingBonneville County: InsuranceBonneville County: CPA & bookkeepingBonneville County: Merchant servicesBonneville County: Web & marketingBannock County: InsuranceBannock County: CPA & bookkeepingBannock County: Merchant servicesBannock County: Web & marketingBonner County: InsuranceBonner County: CPA & bookkeepingBonner County: Merchant servicesBonner County: Web & marketingJefferson County: InsuranceJefferson County: CPA & bookkeepingJefferson County: Merchant servicesJefferson County: Web & marketingTwin Falls County: InsuranceTwin Falls County: CPA & bookkeepingTwin Falls County: Merchant servicesTwin Falls County: Web & marketingMadison County: InsuranceMadison County: CPA & bookkeepingMadison County: Merchant servicesMadison County: Web & marketingBlaine County: InsuranceBlaine County: CPA & bookkeepingBlaine County: Merchant servicesBlaine County: Web & marketing

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