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All resources in one place.

8 calculators, 25 free legal form builders, 377-term glossary, 50+ deep guides, 4 case studies, 10 webinars. Everything organized.

377Glossary termsCross-referenced + guide-linked

50+In-depth guidesTax, funding, IP, how-to

25Free legal formsInteractive builder

8CalculatorsFree + interactive

Calculators & interactive tools

Run the math before you start.

Entity Type QuizLLC vs S-Corp vs C-Corp · 5 questions to your answer S-Corp Savings CalculatorSee how much SE tax you would save Formation Cost CalculatorReal total cost in any state Self-Employment Tax Calculator2026 SE tax on your net earnings Business Name GeneratorIndustry × style × structure Sales Tax Rate LookupState + local rates by state Payroll Tax CalculatorEmployer FICA + FUTA + SUTA + WC Annual Report Due DatesDue dates and fees by state LLC Cost by State5-year sortable comparison AI Logo MakerGenerate logo concepts in seconds Business License LookupState + city + industry License Cost by StateSortable comparison

Free legal forms library

25 attorney-reviewed templates with live preview.

All 25 templatesBrowse the full library Single-Member Operating AgreementSole-owner LLC Multi-Member Operating AgreementTwo-or-more-owner LLC Corporate BylawsFor C-Corps and S-Corps Founder Stock Purchase AgreementWith 83(b) acknowledgment Mutual NDATwo-way confidentiality Employment AgreementW-2 employee terms Independent Contractor Agreement1099 contractor terms Master Services Agreement (MSA)Ongoing service relationships Promissory NoteDocumenting a loan

Glossary & reference

Plain-language definitions and references.

Business + Legal + Tax Glossary377 cross-referenced terms Learning CenterTopic browse of all guides SitemapEvery page, grouped

Foundation guides

What you need to know before forming.

What is an LLC?Definition + when to form What is an EIN?Federal tax ID What is a Registered Agent?Required role What is an Operating Agreement?Internal LLC governance What is BOI Reporting?FinCEN beneficial ownership Single-Member LLCSolo founder structure Multi-Member LLCTwo or more owners LLC vs Sole ProprietorLiability and tax differences LLC vs CorporationWhen to pick which S-Corp vs C-CorpTax classification choices

Tax guides

How LLC, S-Corp, and small business taxes actually work.

How LLCs Are TaxedFour classifications + elections LLC Tax ClassificationHow to pick and elect Quarterly Estimated TaxesSafe harbor + penalty math Self-Employment Tax15.3% breakdown + reduction Small Business Deductions50+ write-offs 1099 vs W-2 ClassificationIRS test + ABC test 2026 Tax DeadlinesEvery federal date Sales Tax NexusMulti-state compliance

Funding + equity guides

Raising capital, cap tables, founder equity.

How to Raise VCDilution math + stages SAFE Notes ExplainedY Combinator instrument Convertible NotesDebt that converts Founder Equity SplitsThe conversation founders avoid Equity Vesting + Cliffs4-year, 1-year cliff Small Business LoansSBA, bank, online Building Business CreditDUNS + Net-30 path Writing a Business PlanSBA template + lean canvas

How-to operational guides

After formation: dissolve, add members, hire.

How to Dissolve an LLCWithout leaving liability How to Add an LLC MemberOA amendment + tax change How to Convert LLC to CorpFor VC raise How to Move an LLCStatutory domestication How to Open Business BankingDocuments + bank choice How to Write an OARequired sections How to Hire First EmployeeW-2 setup checklist How to Change RASwitching providers How to Get Business LicenseFederal/state/county/city

IP guides

Trademarks, copyright, patents, fair use.

Copyright BasicsWhat it protects, how long © Symbol UsageWhen and how to use Fair Use ExplainedThe four factors DMCA TakedownNotice and counter-notice Patent BasicsUtility vs Design vs Plant Provisional vs Utility PatentStrategy + timing Trademark vs Copyright vs PatentWhich applies Work for HireEmployer ownership doctrine Trade Secret ProtectionIndefinite, if kept secret IP LicensingRoyalties + scope + term

Post-incorporation operator guides

After incorporation: equity, cap table, data room.

Post-Incorporation Checklist12-month timeline First 30 DaysCritical action items 83(b) Election WalkthroughStep-by-step Founder Stock Purchase Agreement GuideVesting + IP + 83(b) 409A Valuation GuideWhen + how much Equity Grant MechanicsGranting options properly Option Pool SizingDilution math Investor Data Room ChecklistWhat to include

International founder guides

Forming a US business from abroad.

For International FoundersHub page 8-Step LLC for Non-US ResidentsFull path US Stripe for International FoundersSetup + rejection reasons US Bank Account for Foreign LLC OwnersPartner banks ITIN vs EINTwo different tax IDs Form 1042 Withholding30% default + treaty reductions US Tax Treaty BenefitsCountry examples Virtual OfficeRegistered agent vs business address

Case studies

Detailed founder stories.

Halftide AIUK founders → Delaware C-Corp → $2.1M seed Pinecrest GoodsMulti-state sales tax compliance Marsh Properties12 LLCs across 3 states Linden ApothecaryTrademark + Brand Registry

Webinars

Recorded sessions from specialists.

Webinar library10 recorded sessions

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Why File.Business

Built on the same infrastructure used by 220,000+ businesses.

SOC 2 Type II audited

Independent annual security audit covering access control, change management, incident response, and data handling. Current report on request.

All 51 US jurisdictions

Every state plus DC plus Puerto Rico - direct filings, not third-party reseller. We hold registered-agent qualifications in every state we operate.

Deadline guarantee

If we miss a filing deadline on a service you pay us to manage, we pay the state penalty. Specific to each plan and the filings it includes.

4.9 from 8,200+ verified reviews

Independently verified by Trustpilot + Google + our own NPS infrastructure. Customer success team within reach by email, chat, or phone.

60-day money-back promise

Change your mind in the first 60 days and we refund our service fee in full. State filing fees pass through at cost and are non-refundable once paid to the state.

E&O insured

Errors and omissions coverage protects you from service errors. Carrier and certificate available on request for enterprise clients.

Bundle & save

Recommended add-ons

Most customers add these to keep their business compliant year-round.

Registered Agent

Most ordered

Required for every registered business entity in every state.

$99 /year Add →

Compliance Monitoring

Best value

Track every annual report, registered agent renewal, and license deadline.

$19 /month Add →

Annual Report Filing

Recommended

Auto-file your state annual report. Never miss a deadline.

$99 /year Add →

Why File.Business

Premium compliance, no service-fee markup.

Trust you can verify

SOC 2 Type II audited platform. 220,000+ businesses served. 60-day money-back on service fees. State fees passed through at cost with no hidden markup. Explicit AUP on restricted industries.

A compliance partner, not a transaction

Most providers go quiet after checkout. We auto-track every annual report, registered agent renewal, and license deadline across your entities. The Business OS dashboard keeps your compliance score visible year-round.

Premium experience competitors cannot match

Premium positioning, transparent pricing, no service-fee markup on state or federal filings. Premium positioning, transparent pricing, no service-fee markup on state filings.

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