Who We Are
A Trusted Partner for Every Stage of Growth
Get to know Duffy Kruspodin, a Southern California CPA firm built on people-first values, professional integrity, and proven results across tax, audit, and advisory services.
Experienced CPAs. Trusted Partners. Local Leadership.
Accurate, Timely, and Strategic Support for Complex Tax Needs
Duffy Kruspodin is a Southern California CPA firm built on relationships, results, and a lasting commitment to professional integrity. Since our founding in 1990 by Tom Duffy and Mark Kruspodin, we’ve grown from a single office in Woodland Hills to four locations and more than 200 professionals serving clients across California and beyond.
From the beginning, our mission has been simple: serve clients better and work with people we trust. Today, that people-first approach continues to guide everything we do, from tax and audit services to comprehensive advisory, HR, IT, marketing support, and more.
Our Founding and Growth
Our Mission and Values
At Duffy Kruspodin, we’re more than accountants. We’re collaborative professionals committed to integrity, respect, and open dialogue. Our mission is to enhance the entrepreneurial experience while supporting our team, clients, and community through every stage of growth.
This commitment shows in how we work: proactively, transparently, and always in partnership with the people we serve.
Professional Recognition
Global Perspective. National Insight. Local Focus.
Duffy Kruspodin is proud to be a member of PrimeGlobal, a leading international association of independent accounting firms, and the AICPA Major Firms Group, an exclusive forum of the top 100 CPA firms in the U.S.
These affiliations keep us connected to emerging industry trends, global best practices, and a broader network of resources — so we can bring forward-thinking insight to every client relationship.
Industries We Serve
Our team has specialized experience across a wide range of sectors. We regularly work with:
