Irvine CPA Firm
Tax, Accounting & Advisory for Orange County
More than accountants. Duffy Kruspodin partners with Orange County businesses, finance leaders, and families for tax, audit, and advisory support all year long.
Trusted Orange County CPA Firm for Businesses and Families
Duffy Kruspodin, LLP brings 35+ years of experience and a 200+ person CPA-led team to Orange County. From our office in the Irvine Business Complex, we provide tax, audit, accounting, and advisory services built around responsive, real conversations — not just year-end check-ins.
Tax, Audit, Accounting, and Advisory Services We Offer
Tax
Audit & Assurance
Accounting & Finance
AI Advisory
HR Services
IT Services
Marketing & Growth
Transaction Advisory
Not sure where to begin?
Why Duffy Kruspodin in Irvine?
We’re a CPA and advisory firm — built for real relationships, long-term decisions, and steady growth.
Irvine and the wider Orange County market are home to fast-growing technology firms, real estate and development companies, manufacturers and distributors, healthcare practices, and professional services firms. We help these businesses plan ahead, manage tax exposure, and put the right financial systems in place to support growth.
We provide services beyond tax and accounting: responsive, real conversations, and a team that plans ahead and follows through.
What clients appreciate:
- Services that go beyond tax and accounting – including finance, operations, and advisory
- Responsive, real conversations – not just year-end check-ins
- A team that plans ahead, follows through, and brings the right people together
Let’s talk about what’s possible.
Industries We Serve Locally
Arts & Entertainment
Construction
Manufacturing & Distribution
Not-for-Profit
Professional Services
Real Estate
Restaurants & Hospitality
Office Details
What Our Clients Have to Say.
This is a 5-star accounting firm with 5-star staff. I highly recommend them.
Anonymous
I have been using this company for years and they are outstanding in many ways. Thank you for making, what can be unpleasant, a great experience. I APPRECIATE you very much!
Laura B.
Precise accounting, professional team, reliable, ethical. Everything I could ask for in a business accountant. Our complex industry (healthcare) is well served by Duffy every day.
Britten D.
My partnership with DK is the lifeblood of my company and personal well-being. Through thick and thin, DK stands by me, never wavering. DK’s expertise in strategic planning and meticulous attention to detail is superior.
Arthur G.
CEO
I have been working with Duffy Kruspodin, LLP for almost twenty years now. While that already speaks for itself, I have to say that I feel I am working with the best accounting firm in our area! They respond to each and every email and phone call the same day and I would recommend them to anybody looking for a good CPA!
Alexandra B.
Duffy Kruspodin, LLP has been our lifeline for developing our businesses for for over 30 years. We wouldn't think of changing direction or making a major decision without their sage advice. Our relationship through the years has been extraordinary. We are genuinely grateful for all the assistance they’ve given us through the start-up, expansion and sale of our companies.
Drs. Gordon and Karen B.
DK has handled my business, personal and family accounting needs for almost 20 years. In that time DK has become a very trusted business partner not only providing excellent accounting services but financial planning, business strategies and consultant services. DK has earned my trust throughout our continuing relationship.
Scott G.
DK has been a trusted partner from the very first day that we are with them. They have always been one step ahead of us in our accounting needs for our rapid growth. The one thing that I will say about DK is their in-depth knowledge and their friendly staff. We appreciate the partnership we have with DK.
Eddie W.
CEO
Every Decision Deserves The Right Partner.
Frequently Asked Questions
Where is Duffy Kruspodin's Irvine office located?
Our Irvine office is at 2 Park Plaza, Suite 525, in the Irvine Business Complex near John Wayne Airport - convenient to Newport Beach, Costa Mesa, and Tustin. Call (949) 535-0885.
Do you serve businesses across Orange County?
Yes. From our Irvine office we serve clients throughout Orange County, including Newport Beach, Costa Mesa, Anaheim, and beyond, with tax, accounting, audit, and advisory services.
What industries do you serve in Orange County?
We work extensively with technology, real estate, manufacturing and distribution, professional services, and healthcare organizations.
Can you handle both my business and personal taxes?
Yes. Many Orange County clients rely on us for coordinated business and individual tax planning, plus estate, gift, and trust strategies.