Dedicated to Being
Your Trusted CPA.
Headquartered in Texas and serving clients nationwide, Vail & Park, P.C. provides a full range of assurance, tax, accounting, advisory, cybersecurity, and transaction support services. Our experienced professionals combine technical expertise with personalized guidance to help clients achieve their goals with confidence.
Our Services
Comprehensive Solutions for Every Need.
From day-to-day accounting to complex audit and advisory engagements, we deliver the expertise your organization requires.
Industries We Serve
Specialized Knowledge Delivered
Through Strategic Solutions.
Our team combines technical expertise with industry-specific experience to help organizations navigate complex challenges, maintain compliance, and achieve their goals.
Real Estate & Construction
Industry-specific accounting, tax strategies, and project cost advisory for developers and builders
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Municipalities
Specialized government audits, compliance, and advisory for local municipalities and public entities
Learn MoreNot-for-Profit Organizations
Financial guidance, compliance, and assurance for mission-driven nonprofits and charitable organizations
Learn MoreService Organizations
Compliance, SOC reporting, assurance, and advisory for professional service providers
Learn MoreEmployee Benefit Plans & Investment Funds
Thorough audit, compliance, and advisory services for retirement plans, benefit plans, and investment funds
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Manufacturing
Cost accounting, operational advisory, inventory management, and compliance support for manufacturers
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SOC reporting, cybersecurity advisory, and strategic assurance for growing technology companies
Learn MoreReal Estate & Construction
Industry-specific accounting, tax strategies, and project cost advisory for developers and builders
Learn More
Municipalities
Specialized government audits, compliance, and advisory for local municipalities and public entities
Learn MoreNot-for-Profit Organizations
Financial guidance, compliance, and assurance for mission-driven nonprofits and charitable organizations
Learn MoreService Organizations
Compliance, SOC reporting, assurance, and advisory for professional service providers
Learn MoreEmployee Benefit Plans & Investment Funds
Thorough audit, compliance, and advisory services for retirement plans, benefit plans, and investment funds
Learn More
Manufacturing
Cost accounting, operational advisory, inventory management, and compliance support for manufacturers
Learn MoreTechnology
SOC reporting, cybersecurity advisory, and strategic assurance for growing technology companies
Learn More
About Vail & Park, P.C.
Our Firm
Founded in 2005 and backed by more than 50 years of combined experience, Vail & Park, P.C. has extensive experience providing accounting services for governmental, for-profit, and not-for-profit organizations across a wide range of industries. For more than 20 years, our firm has built an exemplary track record demonstrating its ability to deliver high-quality services and trusted expertise.
We build long-term relationships by serving as strategic partners and advisors to our clients. By combining professional judgment with technology-enabled processes and the thoughtful use of artificial intelligence, our firm delivers efficient service, practical insights, and tailored solutions for each organization and industry we serve. Our goal is to help clients make informed decisions, support sustainable growth, and move forward with confidence.

Best CPA Firms in Frisco 2026 — BusinessRate
Recognized as one of Frisco's Best CPA Firms for 2026, Vail & Park earned this distinction through verified client feedback and satisfaction ratings. This recognition reflects our commitment to delivering exceptional service, trusted guidance, and lasting value to the businesses, organizations, and individuals we serve.
Why Organizations Choose Us
Why Our Valued Clients Choose Vail & Park, P.C.
Organizations in Texas and the United States trust Vail & Park, P.C. because we bring more than technical and industry experience – we bring genuine partnership and a track record of results.
Long-Term Client Relationships
We invest in partnerships built to last. Many of our client relationships span years and even decades, reflecting the trust, consistency, and personal attention we bring to every engagement. We take pride in serving as more than accountants—we act as trusted strategic partners and advisors who are genuinely invested in our clients' success. By taking the time to understand your organization, goals, and challenges, we provide guidance and solutions that help you move forward with confidence at every stage of your journey.
Experienced Advisors
Backed by more than 50 years of combined experience, our team of CPAs and advisors brings deep expertise across audit, tax, and advisory services. We take pride in building lasting relationships with our clients, helping them navigate complex challenges with practical guidance, personalized solutions, and a commitment to their long-term success.
Personalized Service
No cookie-cutter solutions here. We believe the best results come from understanding the people behind the numbers. That's why we take the time to learn about each client's goals, challenges, and vision for the future. By building strong relationships and tailoring our approach to each organization, we deliver practical guidance, meaningful insights, and solutions designed to support long-term success.
Memberships and Partnerships
President of the Korean American Certified Public Accountants Society of Texas, President of Southern Western Accounting Group, and partnerships with leading service providers such as Repool. These leadership positions and strategic partnerships help strengthen the resources, insights, and solutions we provide to our clients.
Technology
We believe the best results come from combining innovative technology with experienced professionals. Our team utilizes tools such as DataSnipper, AuditDashboard, and artificial intelligence to enhance efficiency, strengthen accuracy, and provide deeper insights. While technology helps us work smarter, it never replaces professional judgment—allowing us to deliver high-quality service, practical guidance, and a better experience for our clients.
Commitment to Quality
Voluntary memberships with AICPA quality centers, rigorous independent partner and engagement quality reviews, ongoing professional development, and the highest ethical standards ensure every deliverable reflects precision and care.
Ready to experience the difference of a trusted advisor?
Testimonials
Trusted by Businesses, Governments, and Individuals Since 2005.
Five-star Google reviews
Read All Testimonials"I would like to recognize the outstanding work of our City Auditor Vail & Park, P.C. and extend a special acknowledgment to Tung and his team for their exceptional service throughout the audit process. Their professionalism, responsiveness, and depth of knowledge were evident at every stage of the engagement. Tung and his team consistently went above and beyond the call of duty to ensure clarity, provide guidance, and support our staff in navigating complex accounting matters. Their collaborative approach not only strengthened the audit process but also helped reinforce sound financial practices and transparency for our city. We sincerely appreciate the time, effort, and dedication they invested in ensuring a thorough and high-quality audit. Tung and his team have been an invaluable partner to the city, and we are grateful for their commitment to excellence."
Finance Department Representative at a City
Attest & Assurance
Services Highlighted
Ready to Move Forward with Confidence?
Let's discuss how Vail & Park, P.C. can support your organization's goals with personalized accounting, advisory, & assurance services.