Lanzamo
中文

Free formation tools

Tools for starting a U.S. company

Honest, fast calculators that run in your browser. Your numbers stay on your device; the output helps you choose your first move before you buy anything.

Tools
19
formation calculators
Inputs
Local
browser-only
Access
Free
no account wall
Founder operations desk with blank folders and dotted global light Setup route report

Company Setup Report

A printable setup route: country, state, EIN, banking, service path, and compliance.

CountryEINCompliance
Open the tool
Blank planning cards with colored glass markers State fee map

LLC Cost by State

Filing + annual fees for all 50 states, sorted side by side.

FilingAnnualFirst year
Open the tool
Two blank planning stacks divided by azure and coral light Tax split model

LLC vs S-corp Tax Calculator

Estimate S-corp tax savings vs a default LLC, instantly.

ProfitSalarySavings
Open the tool
Blank comparison cards under a dotted globe reflection Country desk

Where to Incorporate: Country Comparison

Compare 13 startup-friendly countries — fees, tax, and the resident-director catch.

FeesTaxDirector rules
Open the tool
Blank decision cards and a brass ring on a founder desk Fit recommender

Find Your Jurisdiction

Answer 6 questions → your best-fit countries, ranked with reasons.

MarketBankingSpeed
Open the tool
Founder operations desk with blank folders and dotted global light Deadline + penalty

Form 5472 Deadline & $25k Penalty Checker

Your Form 5472 due date, days left, and the $25k penalty math — for foreign-owned LLCs.

Due date$25k penaltyWhere to file
Open the tool
Founder operations desk with blank folders and dotted global light SS-4 helper

EIN Without SSN — SS-4 Helper

Map your SS-4, route the international fax, and sequence the EIN to bank and Stripe.

Line 7bFax routingBank/Stripe
Open the tool
Founder operations desk with blank folders and dotted global light BOI status

Do I Still Need a BOI / FinCEN Report?

Do you still owe a FinCEN BOI report? The 2025 rule turns on formation, not nationality.

Formation testExemptionsDeadline
Open the tool
Founder operations desk with blank folders and dotted global light Deadline calendar

LLC Compliance Deadline Calendar

Map your annual report, franchise tax, and federal deadlines — export them as .ics.

Annual reportFranchise tax.ics export
Open the tool
Founder operations desk with blank folders and dotted global light ECI self-check

Do I Owe US Tax? ECI Self-Assessment

A 'points toward / away from US trade or business' verdict — with the 5472 caveat built in.

US trade5472 caveatEIN vs ITIN
Open the tool
Founder operations desk with blank folders and dotted global light Platform matrix

US Bank & Stripe Eligibility Checker

Mercury, Wise, Stripe and more — a ranked eligibility verdict for your exact situation.

MercuryStripeWise
Open the tool
Founder operations desk with blank folders and dotted global light Name diff

Stripe / IRS TIN-Verification Mismatch Fixer

Find the exact character breaking your TIN match — or learn when to just wait.

CP-575Exact charOr wait
Open the tool
Blank planning cards with colored glass markers Two-state cost

Home-State Nexus & Foreign-Qualification Checker

Forming in WY/DE rarely escapes your home-state fee — see if you'll pay both.

Foreign qualCA $800Both states
Open the tool
Blank planning cards with colored glass markers Nexus thresholds

Sales-Tax / VAT-GST Nexus Threshold Checker

US economic nexus and overseas VAT — the threshold that actually applies to non-residents.

US per-stateUK/EU VATNon-resident
Open the tool
Blank comparison cards under a dotted globe reflection PE risk band

Permanent Establishment & Tax-Residency Risk Checker

Does running your company from abroad create a taxable presence? Band your PE risk.

Home officeDependent agentManagement
Open the tool
Magnifying glass over blank naming cards and color tabs Name rules scan

Name compliance checker

Does your name fit your state’s LLC rules? Instant in-browser check for the designator and restricted words.

DesignatorRestricted wordsNext step
Check a name
Blank search papers under an abstract blue light path Official registries

Business name search

Check name availability in any state — direct links to all 50 official registries.

50 statesDirect linksAvailability
Find your state
Blank comparison cards with colored edge tabs Rules matrix

Compare name rules across states

One name, every top formation state — naming rules side by side with each official search.

One nameTop statesSide by side
Compare states
Unbranded color swatches and blank mockups on a desk Brand clearance

Trademark search

Is your name trademarked? Search the official USPTO, WIPO and EU databases free.

USPTOWIPOEUIPO
Open the search