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Allen Bromberger is nationally recognized for his groundbreaking work on the development of non-profit and for-profit legal structures that support the simultaneous pursuit of financial and social goals. From foundations and family offices to funds and entrepreneurs, Bromberger offers counsel and has served as a trusted advisor and connector for his clients for 35 years.

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Carly Leinheiser has spent the last decade practicing corporate and tax law with a particular focus on advising non-profit organizations and mission-driven businesses. Her advice is rooted in a deep understanding of the unique legal and business needs of organizations and companies that seek to maximize both social impact and financial returns.



A leader in legal structures for investing for social and financial returns, Bromberger Law brings innovative law solutions for investing in change. 

Business law for impact has become highly niche, so we guide organizations to navigate stakeholder relationships, strategic partnerships, M&A, and more.

For decades, we have supported corporate and family foundations, family offices, and individuals with cutting-edge solutions for investing in & donating to values-aligned organizations, enabling the greatest good possible.


 Our best practices for contract hybrids became nationally adopted at the intersection of business and philanthropy.

An innovative perspective to today’s modern nonprofit with options for engaging commercially and responsibly, advising decision-makers, from structures to successful spin-offs and running nonprofits, we support you.


"Allen Bromberger is my go-to for legal advice. He listens with a big heart, keen mind, he understands my business, and always provides practical, useful advice when I need it. He’s attentive and makes himself available when urgent matters arise. His experience, insight and judgment have been invaluable over the years. Plus, working with him is always fun—Allen is a talented lawyer and he lives his values!"
- Sharon Rowe, CEO/Founder, Eco-Bags Products

“I have worked with Allen Bromberger for more than a decade, relying on him for start-up, day-to-day, and strategic advice. Allen is the smartest and most knowledgeable person I know when it comes not just to legal issues, but to the financial and human aspects of nonprofit management. He is accessible and able to adjust quickly to unexpected or urgent events. A great asset for your organization.”

- Georganne Chapin, President & CEO, Hudson Center for Health Equity & Quality

“Carly has been an immense help to our organization over the years. She is very knowledgeable and gets to the bottom of tricky legal questions quickly. She always keeps our mission in mind and helps us find the best path to accomplish our charitable goals—an incredible resource for advising on nonprofit law issues!”

- Karen M. Sandler, Executive Director, Software Freedom Conservancy

“Not only have we worked with Allen directly, but we've also been referring nonprofits leaders and board members with the toughest, weirdest, and most complex matters to him for more than ten years. Allen is knowledgeable, pragmatic, and gets the jobs done.

- John MacIntosh, Managing Partner, SeaChange Capital Partners

“With Allen by my side, I have not only a terrific lawyer, but I also have a compassionate human being who is rooting for me and for my work. As an individual artist with no long-term institutional affiliation, I had to create a smart and caring community—Allen is central to that.

- Anna Deavere Smith; Actress, Playwright, and Professor

Proudly Supporting Our Clients


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Grunin Center for Law and Social Entrepreneurship
Social Venture Circle
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Stanford Social Innovation Review
Thomas Reuters Foundation
 Law 360
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