Atty. William Greco
William Greco is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Controversy - Tax and Tax Law. William, who practices law in Washington, District of Columbia, has been recognized since 2026.
Profile Summary
About William Greco at a glance
William Greco is a tax and tax litigation attorney based in Washington, District of Columbia, practicing at Kostelanetz LLP. Educated at Harvard University (J.D., 2020). Recognitions include Best Lawyers in America — Litigation and Controversy - Tax (2026) and Best Lawyers in America — Tax Law (2026). Serves clients in Washington, DC and the surrounding metropolitan area.
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About
- William Greco is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Controversy - Tax and Tax Law
- William, who practices law in Washington, District of Columbia, has been recognized since 2026
- This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William is held by other top lawyers in the same geographic and legal practice area
Practice Areas Explained
William Greco's Areas of Practice
Each practice area below reflects the types of cases William Greco handles, with a brief overview of what that area of law covers.
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
William Greco is one of 77,130 tax attorneys indexed nationally. Browse tax attorneys in District of Columbia →
William Greco is one of 2,904 tax litigation attorneys indexed nationally. Browse tax litigation attorneys in District of Columbia →
Jurisdictional Context
Why local counsel matters in District of Columbia
Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in District of Columbia courts without local counsel or pro hac vice admission.
Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.
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