Business Details
Your Trusted Tax & Business Consulting Partner
Castle Rock is a strategic partner dedicated to delivering high-touch, high-value tax and accounting services with a proactive, year-round approach. Our team combines extensive expertise in tax planning, cross-border fluency, and industry-specific knowledge to provide comprehensive solutions tailored to each client's unique needs. With over a decade of experience working with successful businesses, we have developed a proven process that extends beyond tax season, ensuring continuous support for financial compliance and goal achievement. Our commitment to efficiency, accuracy, and integrity drives every interaction, leveraging state-of-the-art technology to streamline operations while maintaining meticulous attention to detail. We prioritize building long-term relationships through transparent communication and ethical practices, empowering clients to focus on high-level business strategy while we manage complex financial responsibilities.Our cross-disciplinary team of CPAs, CFPs, and industry experts delivers concierge-level service, specializing in multi-state and multinational tax solutions, business consulting, and proactive financial planning. By integrating advanced analytics and customized reporting, we provide actionable insights that enhance decision-making and drive sustainable growth. Our dedication to client success is reflected in our year-round engagement model, which emphasizes strategic tax planning, cash flow management, and tailored financial guidance. Through a combination of technical expertise, personalized service, and technological innovation, we help businesses navigate complex regulatory landscapes while optimizing financial outcomes. Our reputation is built on consistent delivery of accurate, timely solutions that align with evolving business objectives and industry standards.
Services
Tax Planning
Accounting
Bookkeeping
Business Consulting
Payroll Services
International Tax
Estate Tax
Tax Audit Representation
Financial Statements
Cash Flow Planning
Highlights and features
- We offer over a decade of experience in tax and accounting services.
- Our team provides year-round proactive financial consultations.
- We specialize in cross-border tax solutions for multi-national companies.
- We leverage state-of-the-art technology for optimal efficiency.
- Our commitment to integrity ensures trustworthy financial management.
Services
Tax Planning & Preparation
We develop customized tax strategies through year-round planning, leveraging advanced technology for accuracy. Our services include business tax returns, international tax coordination, estate tax planning, and audit representation. Specializing in multi-state and multinational compliance, we minimize tax burdens while ensuring regulatory adherence. Our proactive approach combines quarterly tax provisions with strategic analysis to optimize financial outcomes for businesses and high-net-worth individuals.
Accounting & Bookkeeping
Our comprehensive accounting services include monthly bookkeeping, financial statement preparation, and cash flow analysis. Using professional-grade software, we deliver accurate reporting and actionable insights. We handle accounts receivable/payable management, payroll processing, and budget projections while maintaining strict compliance with accounting standards through detailed compilation services and regular client consultations.
Business Consulting
As strategic partners, we provide year-round financial guidance focused on tax optimization and business growth. Our consulting services cover business structure analysis, cash flow planning, financial statement interpretation, and M&A tax planning. We help clients make data-driven decisions through performance metrics analysis and customized financial strategy development aligned with long-term objectives.
Payroll Services
We offer full-service payroll solutions including tax calculations, direct deposit processing, and compliance reporting. Our services cover monthly, bi-weekly, and semi-monthly payroll cycles with integrated tax filing and year-end W-2/1099 preparation. We ensure accurate payment processing while maintaining compliance with federal, state, and local employment regulations through automated systems and expert oversight.
Tax Audit Representation
We provide expert representation during tax audits with IRS, FTB, and other agencies. Our services include documentation preparation, audit strategy development, and direct communication with tax authorities. We handle all aspects of audit resolution from initial examination through final settlement, ensuring proper compliance while protecting client interests throughout the process.
People
Matthew C. White
Senior Managing Partner
JD, CPA, CFP, MBA professional with extensive experience in tax strategy, estate planning, and business consulting. Specializes in cross-border tax solutions and complex financial planning for high-net-worth clients.
Patrick White
Managing Partner
CPA and CFP with expertise in business tax planning, financial consulting, and strategic advisory services. Focuses on delivering comprehensive solutions for business owners and executives.
Tuyen Nguyen
Associate Partner
CPA with specialized knowledge in business taxation and compliance. Provides strategic guidance on tax optimization and financial reporting for multi-jurisdictional operations.
Daniela Salgado
Senior Manager
Experienced accounting professional managing financial reporting and payroll services. Specializes in financial statement preparation and business process optimization for corporate clients.
Eunice Kang
Senior Accountant
CPA with expertise in tax compliance and financial analysis. Focuses on delivering accurate reporting and strategic tax planning solutions for business clients.
Questions
What accounting services do you offer for businesses?
We provide monthly bookkeeping, financial statement preparation, budget projections, payroll processing, and cash management services tailored to business needs.
How do you handle international tax requirements?
Our team specializes in cross-border tax coordination, including tax treaties, FBAR filings, foreign trust reporting, and multi-jurisdictional compliance.
What sets your tax planning approach apart?
We use year-round strategic planning with quarterly tax provisions, cost segregation analysis, and customized tax-saving strategies aligned with business goals.
Do you offer business consulting services?
Yes, we provide year-round financial consulting focused on tax optimization, business structure planning, cash flow management, and strategic decision support.
How do you ensure accuracy in tax filings?
We combine advanced accounting software with CPA-reviewed processes and meticulous quality checks to guarantee precise, compliant tax submissions.
