For the Fourth Year in a Row, TLG Has Been “Ranked” by the Prestigious U.S. Legal 500 in the 2025 National Not-for-Profit Category – One of Only 18 Law Firms Nationwide and the Only Boutique Firm

For the fourth year in a row, the Tenenbaum Law Group PLLC has been “ranked” by the prestigious U.S. Legal 500 for 2025 in its national Not-for-Profit category. One of only 18 law firms ranked nationwide and the only boutique firm, this is a highly coveted, distinguished honor. TLG Managing Partner Jeff Tenenbaum is also one of only five members of the U.S. Legal 500 Not-for-Profit Hall of Fame. Details can be found here and here.

Here is Legal 500’s 2025 editorial overview of the firm:

“Providing ‘world-class service’, Tenenbaum Law Group PLLC assists a wide range of nonprofit and tax-exempt organizations across the United States with matters involving federal tax exemption, corporate governance, and regulation related to lobbying, political activity, and nonprofit fundraising, as well as gift restrictions and agreements. Jeffrey Tenenbaum leads the practice from the Washington DC office. Tenenbaum has longstanding experience advising nonprofit organizations on complex matters involving sensitive business and governance issues. Another key member of the Washington DC office, the ’incredibly hard-working’ Susan Hamsher, focuses on laws governing lobbying and election-related activity by tax-exempt organizations.”

Here are excerpts from the 2025 published Legal 500 client testimonials:

  • 'The expertise of the TLG team on issues that are unique to non-profit organizations is unmatched. Because of this specialized experience, they can utilize existing templates, research and know-how to handle projects far more efficiently than larger firms.'
  • ‘Jeffrey Tenenbaum has an exceptional ability to provide extremely thorough, current, and expert advice, but also to deliver it in a manner that is easy to understand. He also excels at balancing the legal risk with the business/political risk.'
  • ‘TLG provides world-class service. Attorneys are incredibly sharp, savvy, and responsive to an array of needs and unique challenges. While all other firms and advisors informed us that our pursuit for c3 status was impossible, the firm proceeded and won the unimaginable.'
  • ‘Jeff Tenenbaum has such a depth of knowledge. He has been our counsel for over 20 years, is always available and remembers the details.'
  • ‘Accessible, deep expertise and responsive professional services and counsel.'
  • ‘Jeff Tenenbaum is hands down, provides spot-on, thoughtful guidance and knows every crevice of nonprofit law, therefore serving as an amazing resource and advocate for our organization.'
  • 'Susan Hamsher: incredibly hard-working, dedicated to our success, and able to turn our thoughts into well-crafted, unbeatable legal arguments.'

In addition to other honors and recognitions, in its first five years of existence (2020-25), TLG was awarded the (top) Tier 1 designation in the Washington, DC metropolitan area for Nonprofit/Charities Law by Best Law Firms. TLG Managing Partner Jeff Tenenbaum was the recipient of Association TRENDS & CEO Update’s 2025 Association Industry Partner of the Year Award, was the 2006 recipient of the American Bar Association’s Outstanding Nonprofit Lawyer of the Year Award, is one of only five attorneys in the prestigious U.S. Legal 500’s Not-for-Profit Hall of Fame, is listed in the 2012-25 editions of Best Lawyers for Nonprofit/Charities Law nationally, and is listed in the 2014-25 editions of Super Lawyers in its Nonprofit Organizations category.