51-State Knowledge Base. Every state. Every filing.
Business filing requirements vary widely by state: which forms, which deadlines, which fees, which agency, which renewal cycle. Most online resources are out of date or generic. Our 51-State Knowledge Base is complete and current: every filing requirement in every state, updated as states change rules. Free, no signup, deep linking.
How we handle 51-State Knowledge Base, end-to-end.
Business filing requirements vary widely by state: which forms, which deadlines, which fees, which agency, which renewal cycle.
Pick your state
State landing page lists every filing requirement: entity formation, EIN, BOI, sales tax, employment tax, annual report, registered agent, foreign qualification, dissolution. Organized by lifecycle.
Pick your filing
Each filing has its own page: form name, filing fee, processing time, where to file (state agency), required information, renewal cadence.
See the rules
Plain English explanation of the legal requirement, deadlines, penalties for missed filings, recent legislative changes (e.g., PA Act 122 of 2022).
Take action
Each page links to our service if you want help filing, or to the state SOS page if you want to file yourself. Free education; paid execution.
A clean handoff, in four steps.
You give us the basics. We handle the state, the IRS, and the compliance clock so you can focus on the business.
A name that's actually available.
Real-time check against the state register, USPTO trademark database, and matching domains.
Filed with the Secretary of State.
We submit your Articles, pay the state fee on your behalf, and return the stamped certificate.
EIN + the right tax setup.
Federal Employer ID with the IRS, plus state tax accounts when your business needs them.
Registered Agent + deadline tracking.
Your agent on file in every state, with every renewal and annual report tracked in one calendar.
Transparent 51-state knowledge base pricing.
Government fees pass through at cost. No upsells.
Free access
Browse, search, and use the entire knowledge base. No signup. No paywall. No premium tier.
Get startedAPI access (commercial)
For accountants, lawyers, and businesses wanting programmatic access. API for state filing requirements, fees, and deadlines. Integrate with your tools.
Get startedEnterprise white-label
Major accounting, banking, or business-services platforms licensing the knowledge base for their tools. Includes API, content licensing, ongoing updates.
Get startedAbout the 51-State Knowledge Base.
Is everything really free?
How current is the information?
What if my state's rules are different from what's listed?
Can I use this for legal advice?
Why do you publish this?
Do you cover federal filings?
Recommended add-ons
Most customers add these to keep their business compliant year-round.
Registered Agent
Most orderedRequired for every registered business entity in every state.
Compliance Monitoring
Best valueTrack every annual report, registered agent renewal, and license deadline.
Annual Report Filing
RecommendedAuto-file your state annual report. Never miss a deadline.
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.