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Internal Revenue Service's Overview

Total employees46944
HeadquartersWashington
Founded1862

The Internal Revenue Service (IRS) is the revenue service of the United States federal government. It is a bureau of the Department of the Treasury and is responsible for collecting U.S. federal taxes and administering the Internal Revenue Code, the main body of federal statutory tax law. Its duties include providing tax assistance to taxpayers, processing tax returns, and pursuing and resolving instances of erroneous or fraudulent tax filings. The IRS also oversees various benefit programs and conducts criminal investigations into tax-related offenses.

Where is Internal Revenue Service's Headquarters?

HQ Function

The IRS headquarters directs national tax administration programs, develops policies and regulations, and provides overall leadership and support for the agency's operations across the country.

Notable Features:

The headquarters building is a historic federal structure, part of the Federal Triangle complex, known for its Neoclassical architecture. It houses the office of the IRS Commissioner and key administrative functions.

Work Culture:

As a major government agency, the work culture is typically formal and mission-driven, emphasizing public service, adherence to legal and ethical standards, accuracy, and efficiency in administering the nation's tax laws. Recent initiatives focus on improving taxpayer experience and modernizing processes.

HQ Significance:

The IRS headquarters is significant as the command center for the United States' tax system, impacting nearly every individual and business in the country. Decisions and policies originating here have wide-ranging economic and social effects.

Values Reflected in HQ: The headquarters' imposing architecture and strategic location reflect governmental authority, stability, and the serious nature of its mission. Modernization efforts also reflect a commitment to improving service and efficiency.

Location:

The IRS maintains a global presence primarily to serve U.S. taxpayers living and working abroad and to collaborate with international tax authorities. This includes offices and personnel stationed in several U.S. embassies and consulates around the world. These international posts help overseas Americans understand their tax obligations, provide taxpayer services, facilitate information exchange under tax treaties, and support efforts to combat international tax evasion and financial crimes.

Street Address:

1111 Constitution Avenue, NW

City:

Washington

State/Province:

D.C.

Country:

USA

Internal Revenue Service's Global Presence

Nationwide, USA

Address: Hundreds of local offices across all 50 states and U.S. territories.

Offer accessible, localized support for individuals and businesses, helping them understand and meet their tax obligations.

Austin, Texas, USA

Address: 3651 S IH 35, Austin, TX 78741 (Example of a major Submission Processing Center)

Serves as a high-volume processing hub for tax documents from specific geographic regions or for particular types of tax forms.

Kansas City, Missouri, USA

Address: 333 W Pershing Rd, Kansas City, MO 64108 (Example of a major Campus/Service Center)

Key operational site supporting national tax administration, often specializing in certain programs or taxpayer segments.

Ogden, Utah, USA

Address: 1973 N Rulon White Blvd, Ogden, UT 84404 (Example of a major Campus/Service Center)

Contributes to the national tax processing workload and houses specialized units for various IRS functions.

International Posts (e.g., London, UK; Paris, France; Frankfurt, Germany)

Address: Typically located within U.S. Embassies or Consulates.

Provide specialized tax assistance to the U.S. expatriate community and support international tax compliance efforts.

Buying Intent Signals for Internal Revenue Service

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of Internal Revenue Service

As of April 2025, Internal Revenue Service' leadership includes:

Danny Werfel - Commissioner of Internal Revenue
Douglas O'Donnell - Deputy Commissioner, Services and Enforcement
Jeffery Tribiano - Deputy Commissioner, Operations Support
Marjorie Rollinson - Chief Counsel
Ursula Gillis - Chief Information Officer (CIO)
Melanie Krause - Chief Data & Analytics Officer
Annalicka Wisdom - Chief, Agency-Wide Shared Services
Kenneth C. Corbin - Commissioner, Wage and Investment Division & Chief Taxpayer Experience Officer

Investors of Internal Revenue Service

Internal Revenue Service has been backed by several prominent investors over the years, including:

The Internal Revenue Service is a bureau of the U.S. Department of the Treasury and is funded by congressional appropriations from the U.S. federal budget. It does not have private investors.

Executive New Hires/Exits in the Last 12 Months

Hire2
Exits1

The IRS has seen significant leadership appointments over the past year, focusing on enhancing taxpayer services, modernizing its technology infrastructure, and strengthening legal counsel, supported by new funding initiatives. These changes aim to improve the agency's overall effectiveness and public engagement.

Departures

Nancy Sieger, Nancy Sieger retired as IRS CIO, marking a transition in the agency's technology leadership.

New Appointments:

Marjorie Rollinson, Marjorie Rollinson was appointed as the new IRS Chief Counsel following Senate confirmation.
Ursula Gillis, Ursula Gillis was appointed as the new IRS Chief Information Officer to lead technology initiatives.

Technology (Tech Stack) used by Internal Revenue Service

Discover the tools Internal Revenue Service uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Internal Revenue Service Email Formats and Examples

The Internal Revenue Service generally uses a standard email format for its employees, which is common across U.S. federal government agencies. The most prevalent format is [first].[last]@irs.gov. While there might be minor variations for specific roles or legacy systems, this format is widely used for official communication.

[first].[last]@irs.gov

Format

jane.doe@irs.gov

Example

95%

Success rate

News and media

ReutersMay 30, 2024

US IRS to make free Direct File tax system permanent

The U.S. Internal Revenue Service announced it will make its Direct File free tax return preparation system a permanent option for taxpayers and plans to expand its scope for the 2025 tax season. This decision follows a successful pilot program that drew 140,000 users....more

IRS.gov NewsroomApril 9, 2024

IRS Commissioner Werfel highlights customer service gains, modernization successes during filing season as Inflation Reduction Act work continues

IRS Commissioner Danny Werfel reported significant improvements in IRS customer service and the successful management of another tax season, attributing these successes to ongoing efforts funded by the Inflation Reduction Act aimed at modernizing the agency....more

U.S. Department of the TreasuryFebruary 22, 2024

New IRS Analysis Shows Top One Percent Evaded $160 Billion in Taxes Annually; Closing Tax Gap Key to Ensuring All Americans Pay What They Owe

An analysis by the IRS and Treasury Department revealed that the top one percent of U.S. households failed to pay over $160 billion in owed taxes in 2021, highlighting the importance of IRS efforts, boosted by Inflation Reduction Act funds, to ensure compliance among the wealthiest taxpayers....more

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