🇺🇸 USA Business & Tax Calculators Suite (2026)
15 free interactive tax, compliance, and financial estimators for foreign-owned US LLCs, non-resident founders, Amazon sellers, and freelancers.Updated for IRS 2026 tax regulations, Form 1040-NR ECI brackets, state annual compliance costs, and Mercury bank account approvals.
🔴 High Priority US Entity & State Selection
State comparison, non-resident 0% tax rules, and entity structure decision tools.
Wyoming vs Delaware vs New Mexico LLC Comparison Tool
Compare formation fees ($60 vs $90), privacy protection, annual report costs, and state income tax rules for non-residents.
Non-Resident Alien US Tax & ETBUS Eligibility Checker
Determine whether your US LLC qualifies for 0% US Federal Income Tax based on physical presence, US employees, and ETBUS rules.
US LLC vs C-Corporation Decision Matrix Tool
Compare Single-Member LLC pass-through tax treatment against 21% C-Corp double taxation for VC fundraising vs bootsrapped agencies.
🟠 IRS Compliance & Late Penalty Exposure
Form 5472 $25,000 penalties, FinCEN BOI reporting deadlines, and IRS audit risk estimators.
IRS Form 5472 & 1120 Late Filing Penalty Estimator
Calculate statutory IRS penalties ($25,000 per unfiled form) and compounding interest for overdue foreign-owned single-member LLC filings.
FinCEN BOI Report Deadline & Civil Penalty Checker
Check your exact Beneficial Ownership Information (BOI) filing deadline under Corporate Transparency Act and estimate $590/day non-compliance fines.
US LLC State Annual Compliance & Franchise Tax Estimator
Calculate mandatory annual report fees and franchise taxes across all 50 US states (Wyoming $60, Delaware $300, California $800).
🟡 Formation Costs, Banking & EIN Processing
Complete LLC setup cost breakdowns, EIN processing timelines, and Mercury bank approval odds.
US LLC Formation & Non-Resident Overhead Cost Calculator
Calculate total state filing fees, Registered Agent fees, US virtual physical address, EIN processing, and Form 5472 accounting costs.
IRS EIN Application Timeline & Document Checker (Without SSN)
Estimate processing time for obtaining an Employer Identification Number (EIN) via Form SS-4 for foreign founders without an SSN or ITIN.
US Business Bank Account Approval Probability Checker
Check non-resident approval odds for Mercury Bank, Relay Financial, and Wise Business and receive custom banking recommendations.
🔵 Federal Income Tax, Self-Employment & Sales Tax
Form 1040-NR brackets, 15.3% SE tax exemptions, and e-commerce economic nexus tools.
US Federal Income Tax Calculator (Form 1040-NR)
Calculate progressive US federal tax brackets (10% to 37%) for ECI income derived from US trade or business operations.
US Self-Employment Tax (15.3%) Exemption Checker
Verify statutory exemption from 15.3% Social Security & Medicare Self-Employment Tax for Non-Resident Aliens under IRC Sec 1402.
US Sales Tax Economic Nexus Calculator for Foreign Sellers
Track state revenue thresholds ($100,000 / 200 transactions) across Amazon, Shopify, and Stripe sales to determine sales tax registration duties.
🟢 IP Trademarks, FBAR Reporting & Custom Quizzes
USPTO trademark registration costs, FBAR/FATCA reporting, and interactive state recommenders.
USPTO Federal Trademark Registration Cost Calculator
Calculate total costs for registering a US federal trademark with USPTO including class fees ($250-$350) and TEAS Plus filing options.
FBAR (FinCEN 114) & FATCA Account Exemption Checker
Check $10,000 foreign bank account threshold for mandatory FBAR filing and calculate non-willful penalty exposure ($15,611+).
Which US State Should You Form Your LLC In? Interactive Quiz
Answer 4 simple questions about your business model to get an immediate recommendation between Wyoming, Delaware, New Mexico, or Florida.
Frequently Asked Questions (US Business & Tax)
Quick authoritative guidance on foreign owner 0% tax rules, IRS Form 5472 $25,000 penalties, FinCEN BOI deadlines, and state selection.
Need Personal Guidance from a US Corporate Tax & IRS Compliance Specialist?
Get your foreign-owned US LLC formation, SSN-less EIN application, IRS Form 5472/1120 filing, FinCEN BOI report, and Mercury bank account setup managed by certified US tax advisors.