IRS Tax Center

Disaster Information
Help for Hurricane Victims:Special tax relief and assistance is available to taxpayers in the Presidentially-declared Disaster Areas.
- Help for Hurricane Victims: Information on Tax Relief, Charitable Issues
- Tax Relief in Disaster Situations
Overview
Starting, Operating or Closing a BusinessWhether 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 themGetting Started
Tax Information for BusinessesIf 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
Need an IRS form or publication?
Electronic Filing
e-file for Business and Self-Employed TaxpayersThe 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.
Employees
Businesses with EmployeesInformation 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 OfficeIRS 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 ClassroomView 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.
Resources
Small Business ResourcesThis 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.
Join the SB/SE Mailing List
The Small Business/Self-Employed Division has a free electronic mail service designed to provide tax information for small business owners. Sign-up for the Small Business/Self-Employed mailing list and you will receive information about i mportant upcoming tax dates, what's new on the IRS Web site, recently added tax forms and publications, IRS News Releases and special IRS announcements.
- Subscribe to e-News for Small Businesses
[Note for partners: the URL for the mailing list is subject to change without notice, and should be reviewed monthly for viability.]
Abusive Tax Schemes
Tax Scams - How to Recognize and Avoid ThemTo 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/ProfessionsSpecific tax information for Agriculture, Automotive, Construction, Entertainment, Fishing, Gas Retailers, Manufacturing, Real Estate, Restaurants, Tax Professionals, and other industries.
Tax Information for International Businesses
This section provides information on international taxes.
Tax Information for Tax Professionals
This section provides information for tax practitioners and other tax professionals.