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Corporate, Cash Flow & ValuationStartups: Cloud & SaaSRetail & Unit EconomicsLoans & DebtShipping & LogisticsMarketplace & Platform Fees
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Useful Resources

A curated collection of trusted government agencies, financial standards boards, and business resources to help you make informed decisions.

Government Agencies

Internal Revenue Service (IRS)

Official US government site for tax forms and information.

Small Business Administration (SBA)

Resources and support for small business owners.

Social Security Administration

Retirement and disability benefits information.

Financial Standards

FASB

Financial Accounting Standards Board - GAAP standards.

SEC

U.S. Securities and Exchange Commission.

Federal Reserve

Central bank of the United States.

Tax & Legal

Tax Foundation

Independent tax policy research.

LegalZoom

Online legal help for business formation.

Nolo

Legal articles and forms for small businesses.

Business Tools

SCORE

Free business mentoring and education.

US Chamber of Commerce

Advocating for American business.

Bureau of Labor Statistics

Labor market activity and working conditions.

Note: These are external links to third-party websites. BusinessTaxCal is not responsible for their content.

BusinessTaxCal

The ultimate collection of business, tax, and finance calculators. Precision tools for your financial decisions.

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Tax Tools

  • Year-by-Year & Federal Core
  • Refunds, Withholding & IRS Tools
  • Filing Status, Income & Rates
  • Self‑Employed, 1099 & Specific Income
  • States, Cities & Local Taxes
  • State & Local Additional Sales & Income
  • Branded Tax Tools

Paycheck & Income

  • Universal Paycheck & Take‑Home
  • State‑Specific Paychecks
  • Overtime, PTO & Hours
  • Pay Types, Raises & Commission
  • Payroll Systems & Brand Pages
  • Employer Payroll Taxes

Business & Finance

  • Corporate, Cash Flow & Valuation
  • Startups: Cloud & SaaS
  • Retail & Unit Economics
  • Loans & Debt
  • Shipping & Logistics
  • Marketplace & Platform Fees

Investments & Real Estate

  • Investments & Property
  • Investing & Markets
  • Retirement & Social Benefits
  • Real Estate & Mortgages
  • Savings, Banking & CDs
  • Inflation, Currency & Ratios
  • Currency, Money & Converters

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