IRS Tax Center


Starting, Operating or Closing a Business Whether you are a budding entrepreneur, or an established business owner, you will find everything you need to start and manage your business venture.

Business Taxes The form of business you operate determines what taxes you must pay and how you pay them.
Tax Gap Fact Sheets Find resources on this page pertaining to the tax gap — the difference between the amount of tax that taxpayers should pay and the amount that is paid voluntarily and on time.

Getting Started

Tax Information for Businesses If you run a small business or are self-employed, the IRS web site offers a wide variety of information to help you.

Checklist for Starting a Business This checklist provides the basic steps you should follow to start a business.

Business Structures When beginning a business, you must decide what structure to use. Legal and tax considerations enter into this decision.

Employer ID Numbers (EINs) An Employer Identification Number (EIN) is also known as a Federal Tax Identification Number, and is used to identify a business entity. Generally, businesses need an EIN.

Online Application - Form SS-4, Employer Identification Number (EIN) Apply online for the Employer Identification Number (EIN), also known as a Federal Tax Identification Number.

IRS Forms and Publications

Forms and Publications Need an IRS form or publication?

Electronic Filing

e-file for Business and Self-Employed Taxpayers The IRS offers several electronic filing options designed specifically for the business filer. There are several ways you may choose to participate in the IRS e-file for Business programs.

Electronic Federal Tax Payments (EFTPS) Businesses and individuals can use the Electronic Federal Tax Payment System to pay all their federal taxes electronically, 24 hours a day, 7 days a week, via the phone, personal computer (PC) software or the Internet. Visit the EFTPS web site for all the latest information! Or visit the Department of Treasury's Financial Management Services web page on EFTPS.

QuickAlerts "More" e-file Benefits for EROs Get on board and be one of the thousands of tax professionals that currently receive information on “up-to-the-minute” e-file events.


Businesses with Employees Information about hiring, recordkeeping, and other topics for business owners with employees.

Independent Contractors vs. Employees Before you can determine how to treat payments you make for services, you must first know the business relationship that exists between you and the person performing the services.

Employment Taxes for Small Business If you have employees, you are responsible for Federal Income Tax Withholding, Social Security and Medicare taxes and Federal Unemployment Tax Act (FUTA).

IRS Withholding Calculator This easy-to-use calculator can help you figure your employees' Federal Income Tax Withholding so you can withhold the correct amount from their pay.

Retirement Plans for Small Businesses Are you looking for information on employee retirement plans in order to provide better service to all your employees?

Talk With the IRS

Contact My Local Office IRS Taxpayer Assistance Centers are your one-stop resource for face-to-face tax help and solutions to tax problems, every business day.

Taxpayer Advocate Service The Taxpayer Advocate is an independent organization within the IRS. They help taxpayers resolve problems with the IRS and recommend changes that will prevent the problems.

Learning Center

On-Line Classroom View a streaming video of an IRS Small Business Workshop, take an IRS course or complete an online self-directed version of a workshop taught live around the country.

Small Business Tax Workshops Throughout the country various non-profit and government organizations offer small business workshops.


Small Business Resources This section offers links to a broad range of resources across federal and state agencies.

Small Business Products Online Ordering Looking for a tool to help you meet your tax requirements? Choose from our free products, developed especially for the Small Business/Self-Employed person, and obtain updated information on existing products.

Abusive Tax Schemes

Tax Scams - How to Recognize and Avoid Them To help the public recognize and avoid abusive tax schemes, the IRS offers an abundance of educational materials. Participating in illegal schemes to avoid paying taxes can result in imprisonment and fines, as well as the repayment of taxes owed with penalties and interest. Education is the best way to avoid the pitfalls of these "too good to be true" tax scams.

Resources for Specific Communities

Industries/Professions Specific tax information for Agriculture, Automotive, Construction, Entertainment, Fishing, Gas Retailers, Manufacturing, Real Estate, Restaurants, Tax Professionals, and other industries.

Business Provisions of the Economic Stimulus Package

Frequently asked questions for businesses

FS-2008-21, Business Provisions of the Economic Stimulus Act of 2008

IR-2008-58, IRS To Issue Guidance on Special 50-Percent Depreciation Allowance

IR-2008-22, 2008 Economic Stimulus Act Provides Tax Benefits to Businesses

Video: Economic Stimulus Package: Section 179 Depreciation

Transcript: Economic Stimulus Package: Section 179 Depreciation

Video: Economic Stimulus Package: 50% Special Depreciation

Transcript: Economic Stimulus Package: 50% Special Depreciation


IRS Tax Center