Form Your Idaho C Corporation
Build an investor-ready company in the Gem State - issue stock, raise venture capital, and keep costs low with no franchise tax and free annual reports
Filed in Idaho
The Gem State · ID
- State filing fee$100
- Processing time7-10 business days standard (online); 15-20 days paper
- Our formation feeFree (you pay $100 if you choose a paid plan)
- Annual report$0 (free online filing) — due Anniversary month each year; required
- State tax rate5.3% flat corporate income tax
- Expedited option8 working hours (+$40)
Form your Idaho C-Corp — pay only the state filing fee, nothing more.
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Everything to launch your Idaho C-Corp
Free formation means you pay only the $100 state filing fee. All core services are included at no extra charge.
Articles of Incorporation filing
We prepare and submit your Articles of Incorporation to the Idaho Secretary of State.
Registered agent
Required in Idaho — we act as your agent for the first year.
EIN from the IRS
Your federal Tax ID — required to open a US business bank account and file taxes.
Corporate bylaws
Professionally drafted corporate bylaws — defines ownership, voting, and profit splits.
Benefits of forming an C-Corp in Idaho
Idaho pairs one of the fastest-growing state economies in the US with a flat 5.3% corporate income tax, no franchise tax, and a $0 annual report fee, keeping ongoing costs low for a C Corporation. The booming Boise-area tech scene, often called 'Silicon Slopes,' gives founders access to engineering talent and a startup ecosystem well-suited to companies planning to raise venture capital.
No annual report fee - Idaho charges $0 to file the required annual report online
No state franchise tax for corporations in Idaho
The C Corporation structure venture capitalists and institutional investors require to invest
Issue multiple classes of stock and build a clean cap table for priced rounds and SAFEs
Perpetual existence - the corporation survives changes in ownership and directors
QSBS / Section 1202 tax benefits may apply to qualifying Idaho C Corp stock
One of America's fastest-growing economies with a booming Boise-area tech scene
Low cost of living and a business-friendly regulatory environment
Key features of a Idaho C-Corp
- No annual report fee ($0, filed online)
- No state franchise tax
- Investor-ready structure for VC funding and stock issuance
- Flat 5.3% Idaho corporate income tax
- Fastest-growing state economy with a Boise tech hub
Major industries in Idaho
Form your Idaho C-Corp in 6 steps
We handle every step while you stay in the loop. Processing takes 7-10 business days standard (online); 15-20 days paper.
- 01
Choose Your Corporation Name
Your name must include a corporate identifier such as 'Incorporated,' 'Corporation,' 'Company,' 'Limited,' or an abbreviation like 'Inc.' or 'Corp.' Check availability through the Idaho Secretary of State's business entity search.
- 02
Appoint a Registered Agent
Idaho requires a registered agent with a physical street address in the state who is available during normal business hours to receive legal and state notices.
- 03
File Articles of Incorporation
Submit your Articles of Incorporation to the Idaho Secretary of State, listing your authorized shares. The filing fee is $100 and online filing is available.
- 04
Adopt Bylaws and Appoint Directors
Hold an organizational meeting to adopt corporate bylaws, appoint your board of directors, and authorize the issuance of stock to founders. Idaho requires at least one director.
- 05
Issue Stock and File 83(b) Elections
Issue shares to founders and record them on your cap table. Founders with restricted stock should file an 83(b) election with the IRS within 30 days of receiving the stock.
- 06
Obtain an EIN and File the Annual Report
Apply for a free EIN from the IRS for banking, payroll, and tax filing, then file Idaho's free annual report each year during your anniversary month.
Idaho C-Corp costs at a glance
Kicker formation is free — you pay only the required state fees. No hidden charges.
Idaho C-Corp requirements checklist
Everything you need to form and maintain a Idaho C-Corp in 2026.
- File Articles of Incorporation with the Idaho Secretary of State ($100)
- Appoint a registered agent with a physical Idaho address
- Adopt corporate bylaws and appoint a board of directors (minimum one)
- Issue stock to shareholders and maintain a cap table
- Obtain an EIN from the IRS
- File the free annual report each year during your anniversary month
- Hold annual director and shareholder meetings and keep corporate minutes
Filing information
- Formation document
- Articles of Incorporation
- Filing agency
- Idaho Secretary of State
- Registered agent
- Required
- Corporate bylaws
- Recommended
- EIN
- Required
- Name reservation fee
- $20 (4 months)
Free formation — pay only the state fee
Kicker formation is free. You pay the $100 Idaho state filing fee and nothing more for the Starter plan. Optional plans add registered agent, EIN, corporate bylaws, and compliance.
Starter
- Articles of Incorporation filing
- Name availability check
- Digital document delivery
- Formation status tracking
Booster
- Everything in Starter
- Registered agent (required in Idaho)
- EIN / Federal Tax ID
- Expedited processing (1–2 days)
- Corporate bylaws
- Priority support
- Kicker Voice — 3-day free trial
- Kicker Pay — free for 15 days
Founder
- Everything in Booster
- Business mailing address
- Bookkeeping — 3 months free
- Dedicated account manager
- Rush processing
- Kicker Voice — 6-day free trial
- Kicker Pay — free for 30 days
Kicker
- Everything in Founder
- ITIN filing & preparation
- Same-day priority processing
- 2nd year annual filing $0
- Kicker Voice 12-day + Kicker Pay 60 days free
Compare all plans on our pricing page.
Idaho C-Corp questions, answered
Common questions about forming an C-Corp in Idaho. Can't find an answer? Talk to our team.
How much does it cost to form a C Corporation in Idaho?
The state filing fee for Articles of Incorporation is $100, paid to the Idaho Secretary of State. Idaho charges no fee for the required annual report, so ongoing compliance costs are minimal.
How fast can I incorporate in Idaho?
Standard online processing through the Idaho Secretary of State takes 7-10 business days, while paper filings take 15-20 days. Expedited service is available for faster turnaround.
Does Idaho charge a franchise tax or annual report fee for corporations?
No. Idaho has no corporate franchise tax, and the annual report - while required each year during your anniversary month - is free to file online. The state corporate income tax is a flat 5.3%.
Why choose a C Corporation instead of an LLC?
A C Corporation is the structure venture capitalists and institutional investors require. It lets you issue stock and equity, build a cap table, run priced rounds and SAFEs, and maintain a board of directors with perpetual existence that survives ownership changes.
How is a C Corporation taxed?
C Corporations pay the 21% flat federal corporate income tax plus Idaho's 5.3% flat corporate income tax. Dividends paid to shareholders are taxed again on their personal returns - the 'double taxation' tradeoff for the investor-friendly structure.
What is the 83(b) election and QSBS, and do they apply to my Idaho C Corp?
Founders who receive restricted stock should file an 83(b) election with the IRS within 30 days of receiving it to lock in tax treatment early. Qualified Small Business Stock (QSBS) benefits under Section 1202 may also apply to eligible C Corporation stock, so consult a tax advisor about your situation.
Does my Idaho C Corporation have to file a BOI report with FinCEN?
No. Under FinCEN's March 2025 interim final rule, US domestic entities and US persons are exempt from Beneficial Ownership Information reporting. Only foreign-formed entities registered to do business in a US state still need to file.
Is Idaho a good state for startups and tech companies?
Yes. The Boise metro area has become a fast-growing tech hub - often called 'Silicon Slopes' - home to companies like Micron and HP. Combined with a low cost of living, no franchise tax, and free annual reports, Idaho is an attractive base for a C Corporation.
Idaho government filing resources
Filing fees for common C-Corp services
Official Idaho state charges for the filings you may need after formation — our service fee is separate, and we confirm the current amount before filing.
Reservation lasts 4 months (~120 days) per Idaho Code 30-1-402/53-603.
$10 flat fee, same regardless of entity type (LLC/corp/nonprofit).
Learn moreCertified Copy = $10 base + $0.25 per page (includes the original filing and all amendments).
$10.00 statutory fee per document (apostille or certificate of authentication).
Same Foreign Registration Statement form and $100 base fee applies to Business Corporation (covers C-Corp and S-Corp).
Learn moreIdaho does not publish a flat reinstatement base fee on any reachable Secretary of State page, and the reinstatement form is not a downloadable PDF (generated in SOSBi…
Learn moreEverything you need to run your Idaho C-Corp
Formation is the first step — stay compliant and operational with these services.
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Ready to form your Idaho C-Corp?
Formation is free — you pay only the $100 Idaho state filing fee. Personal-asset protection, pass-through taxation, and a complete document package, filed in 7-10 business days standard (online); 15-20 days paper.
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