HYYH CPA. LLC

中文简介（优化版）

HYYH CPA. LLC 是一家美国注册会计师事务所，立足美国、服务全球，重点面向北美及亚洲的跨境经营企业、在美上市/拟上市公司及其关联实体，提供审计与资本市场合规相关的专业服务。我们深耕美国监管框架与国际财务报告体系，帮助客户在多法域、多准则环境下实现高质量披露与稳健治理。

我们的核心服务包括：

• PCAOB 审计与资本市场支持：为在美上市公司、Pre-IPO 企业及需满足 PCAOB 监管要求的机构提供审计、申报配合与持续合规支持。
• US GAAP / IFRS 会计与财务报告咨询：涵盖复杂会计判断、准则转换、财务报表与披露要求、监管问询应对等。
• SOX 内部控制（ICFR）与风险治理：协助建立、优化与测试内部控制体系，提升合规效率与经营透明度。
• 国际税务与跨境架构规划：提供跨境税务合规、交易结构设计、全球税负优化与税务风险管理建议。
• 并购与交易服务（M&A）：包括财务尽职调查、交易会计/税务结构咨询及并购后整合支持。

我们以专业严谨的执业标准、对监管趋势的深入理解以及跨文化协作能力，为客户提供可落地、可审计、可持续的解决方案，助力企业在北美与亚洲市场稳健发展。

English Version (Optimized)

HYYH CPA. LLC is a U.S. CPA firm with a global service footprint, specializing in audit and capital-markets compliance for companies across North America and Asia. We primarily serve cross-border businesses, U.S.-listed and pre-IPO companies, and their related entities. With deep expertise in U.S. regulatory requirements and international reporting frameworks, we help clients achieve high-quality financial reporting and resilient governance in multi-jurisdiction environments.

Our core services include:

• PCAOB Audits & Capital-Markets Compliance for U.S. registrants, pre-IPO issuers, and other entities subject to PCAOB oversight.
• US GAAP / IFRS Accounting & Financial Reporting Advisory, including complex technical accounting, standard conversions, disclosure readiness, and regulatory query support.
• SOX / ICFR Internal Control Services, covering control design, optimization, and testing to strengthen compliance and transparency.
• International Tax & Cross-Border Structuring, supporting compliance, transaction structuring, tax efficiency, and risk management.
• M&A and Transaction Support, including financial due diligence, deal accounting/tax structuring, and post-merger integration assistance.

We deliver rigorous, practical, and execution-ready solutions backed by strong regulatory insight and cross-border collaboration, enabling clients to grow confidently in both North American and Asian markets.