About Demian & Company, LLC

We Make Numbers Work for You

For over 30 years, Demian & Company, LLC has been improving financial scenarios for businesses and individuals across the nation.

What began as a simple vision — to make financial life stress-free — has evolved into a trusted partnership with accomplished clients who demand more than one-size-fits-all solutions.

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Boutique CPA Firm

Excellence delivered with exceptional service.

30+ Years of Experience

Building wealth for accomplished clients since 1995.

Custom Solutions for Individuals and Businesses

Because your goals deserve more than one-size-fits-all.

Financial Control Begins with One Step

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Three Decades of Distinction: Your Financial Partner Since 1995

Founded in 1995, Demian & Company, LLC has grown from a small New Jersey practice into a nationwide CPA firm renowned for integrity, precision, and personalized service. For nearly three decades, we’ve been helping individuals and businesses across the U.S. achieve financial clarity and confidence, delivering boutique-level attention with national reach.

At the heart of our firm is Peter Demian, CPA, our Founder and Principal. With over 30 years of proven experience, Peter has shaped Demian & Company into a trusted partner for clients who value expertise, transparency, and genuine care. His leadership and commitment to excellence ensure that every client receives the clarity, confidence, and proactive guidance they deserve.

Our personalized approach has earned us one of the highest client retention rates among CPA firms. This is because at Demian & Company, we don’t just manage numbers; we build lasting relationships founded on trust and tangible results.

About Peter Demian

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Why Clients Choose Us Year After Year

Choosing the right CPA isn’t just about numbers — it’s about finding a partner who truly understands your goals.

Here’s why individuals and businesses nationwide continue to trust us with their finances:

Personalized Service That Puts You First
No cookie-cutter solutions here. Every client receives a tailored financial strategy built around their unique needs, goals, and challenges. We listen, adapt, and deliver — so you always feel supported and understood.
Technology That Simplifies Your Life
We combine modern accounting technology with real human expertise. From secure digital document sharing to virtual consultations, our tools make managing your finances faster, safer, and stress-free — without losing the personal connection.
Proactive Guidance for Real Growth
We don’t wait for problems to appear — we anticipate and prevent them. Our proactive approach helps you uncover opportunities, minimize risks, and make smarter decisions before issues impact your bottom line.

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Serving Clients Nationwide

From our offices in Cranford and East Brunswick, NJ, we proudly serve clients across 49 states.

Whether you’re around the corner or across the country, our secure digital tools and proven processes make expert CPA support just a call or click away.