About Our Firm

About EWA

Ernst Wintter & Associates LLP is an accounting firm with years of experience helping individuals and businesses with their tax and accounting needs. We pride ourselves on our professionalism, integrity, and exceptional client service.

Our clients are our greatest asset and we empower them with the knowledge to make important financial decisions. We are dedicated to providing our clients with the highest level of quality and service.

Our well-balanced team of professionals has a wealth of experience providing a variety of services to individuals and businesses. Our collective experience means that we can take care of any of your tax and accounting needs quickly and efficiently.

The dedicated accountants we have on staff are constantly expanding their knowledge. We attend more continuing education courses than is required by our profession to ensure that our clients are receiving the most up to date and best practices within the industry.

Our Partners

Our Audit Team

Lisa Jordan, CPA
Tim Phan, CPA
Neal Defossez, CPA
John Buffo, CPA
Anu Pahuja

Our Tax Team

Maggi Beyer, CPA
Yeniy Chan, CPA
Payal Mehta, CPA
Ted Barben, CPA

Operations Team

Mary Clare Wilson
Silvina Arguelles

Certifications & Memberships

Why Choose Us

CPA Auditors with Experience You Can Rely On

CPA Auditors Trusted by 1000+ Satisfied ClientsAt Ernst Wintter & Associates LLP, we understand that when it comes to selecting a firm to manage your financial and compliance needs, trust and expertise are non-negotiable. Our team of highly qualified CPA auditors brings decades of experience to individuals, businesses, nonprofits, and broker dealers throughout Walnut Creek and beyond.

We are more than an accounting firmโ€”we are your financial partners. Since our founding, weโ€™ve built our reputation on integrity, professionalism, and personalized client service. Every client relationship we foster is rooted in the belief that your success is our success. Whether youโ€™re facing an audit, planning for tax season, or navigating the complex world of nonprofit accounting, we are committed to delivering dependable guidance and measurable results.

Why Our Experience Matters

Our collective experience is one of our greatest strengths. Each member of our team contributes unique skills and perspectives, enabling us to serve a wide variety of clients across multiple industries. We have the hands-on knowledge needed to address the unique challenges faced by broker dealers, nonprofit organizations, and individuals with complex tax needs.

As CPA auditors, we specialize in providing precise, compliant audit services. Whether itโ€™s a financial statement audit, a regulatory compliance review, or support with internal controls, our audit process is built on a foundation of rigor and transparency. We understand that audits can be stressful and time-consuming, which is why we approach each engagement with clarity, efficiency, and attention to detail.

Commitment to Education and Best Practices

In a field as dynamic as accounting, staying current is essential. Our team participates in significantly more continuing education courses than required by our profession. This allows us to stay ahead of regulatory changes and evolving industry standardsโ€”so you donโ€™t have to. You can rest assured knowing that our strategies and solutions are built on the most accurate and up-to-date information available.

By applying current best practices and maintaining a future-focused mindset, we ensure that your business is not only compliant today, but also well-positioned for tomorrow.

Personalized, Proactive Service

What sets Ernst Wintter & Associates LLP apart is our unwavering dedication to personalized service. We donโ€™t believe in one-size-fits-all accounting. Our CPA auditors take the time to understand your business structure, financial goals, and industry requirements. From this foundation, we tailor our services to meet your exact needs.

We also believe in proactive communication. Our team is accessible year-roundโ€”not just during busy season. Whether you need quick clarification on a tax matter or strategic insight into your long-term financial planning, we are here when you need us.

Trusted by the Community

Over the years, weโ€™ve helped hundreds of clients achieve financial clarity and peace of mind. Weโ€™ve worked alongside growing startups, established broker dealers, and mission-driven nonprofits to streamline their accounting processes, strengthen their compliance, and plan for sustainable growth.

Clients choose us not only for our credentials, but for our reputation. We are known for being responsive, knowledgeable, and genuinely invested in our clientsโ€™ success. Our firm is built on long-term relationships, many of which span decades.

Industries We Serve

While we are equipped to serve a broad range of clients, we bring particularly strong expertise in:

  • Tax accounting for individuals and businesses

  • Audit services for broker dealers

  • Nonprofit audit and compliance support

  • Regulatory filings and financial reporting

  • Consulting for internal controls and financial operations

Our experience across these areas ensures that we can help you meet not only your compliance obligations but also your strategic financial goals.

To better understand the role and responsibilities of CPA auditors, we recommend reviewing the AICPA’s official resource on audit services.

Let’s Talk About Your Needs

Choosing the right CPA auditors can make all the difference in your financial future. Whether you’re facing an upcoming audit, planning your next tax strategy, or simply need reliable advice, we’re here to help.

Speak with an Expert today to learn how Ernst Wintter & Associates LLP can provide the clarity, confidence, and results you need to move forward with peace of mind.

Scroll to Top
ewa-logo
Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognizing you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.