SOPHIA PENG CPAS, INC.

Certified Public Accountants
California Licensed CPA Firm · Est. 2025

Expert Accounting, Tax, and Advisory services for the San Francisco Bay Area and clients throughout California — practical, effective, and tailored to your unique needs.

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25+

Clients served in our first year

35+

Tax returns prepared including complex cross-border filings

6+

Comprehensive accounting and financial reporting services including consolidated financials and audit support

About Our Firm

WELCOME TO SOPHIA PENG CPAS, INC.

We are a California Licensed Accounting Firm (CBA), established in July 2025, bringing dedicated financial expertise to the San Francisco Bay Area and clients throughout the state.

Our Mission

To simplify the complex and clarify intricate tax and financial landscapes; empowering our clients to make wise, strategic choices that protect wealth and fuel long-term growth. Striving for perfection, we turn complex compliance into a solid foundation for future success.

What We Do

Accounting, Tax & Advisory

Trusted Financial Reporting

  • Bookkeeping and reconciliations with automation tools, managing outsourced payroll
  • Comprehensive accounting and financial reporting services including consolidated financials and audit support
  • Compilation or review of financial statements following applicable standards

Expert Tax Services

  • Preparation and filing of tax returns for C corporations, S corporations, Partnerships, Trusts, Estates, Tax-exempt organizations, and High-net-worth individuals, including cross-border and multi-entity structures tax compliance
  • Tax planning, projections, and quarterly estimates

Business Advisory

  • Advisory services on formation, restructuring, dissolution, sale, or acquisition of business entities
  • Accounting system setup and financial reporting optimization
  • Special projects or consultations as agreed

How We Help & Recent Work Includes

Tax Compliance: Tech Startups, Venture Funds & Cross-Border Businesses

  • Tax compliance for venture fund structures: LPs, GPs, LLCs, SPVs, and C-Corps
  • Tax returns with international information reporting (Forms 5471 & 5472) for high-tech companies with Cayman, BVI, HK, CN and other foreign structures, and tax provision
  • Tax returns for Delaware C-Corps, LLCs, LPs, and S-Corps, including R&D tax credit elections and multi-state apportionment
  • Amended returns with penalty abatement for new clients
  • §409A analysis and forecasting

Accounting & Reporting: CFOs, Founders & Companies Preparing for Audits or M&A

  • Consolidated financials (multi-tier, multi-year) for a Cayman AI tech company with U.S., HK, and CN subsidiaries including complex intercompany reconciliations, outsourced foreign accounting coordination, EY audit support, M&A due diligence, and financial forecasts through 2028
  • Full-year and quarterly consolidated financials for a multi-BVI HoldCo consumer tech company (Cayman, U.S., HK, CN) across 4,000+ transactions with JY audit support, Gusto payroll, and Delaware franchise tax filings
  • Full-year and monthly financial statements for a biotechnology company's U.S. subsidiary, including coordination with KPMG for financial statement consolidation.
  • Annual financial statements for multiple tech companies for investor review

Individual Tax: High-Net-Worth Individuals, Executives & Equity Compensation

  • Complex Form 1040 returns including Forms 5472, 2555, 1116, Schedules A/B/C/D/E, including multiple rental properties, and complex multi-K-1 pass-through reporting with multiple PFICs and Form 8621 filings
  • Planning for QBI, AMT, net investment income tax, and passive activity rules
  • Quarterly estimated tax calculations and equity compensation planning for RSU vesting, ISO/NQSO exercises, and capital gains

Credentials

  • California CPA Licensed since 2016
  • Over 13 years of experience in public accounting
  • Big 4 experience · Recent nearly 4 years at EY & PwC
  • Master of Taxation · University of Southern California
  • Master of Accountancy · California State University, Los Angeles
  • Bilingual · English and Mandarin
Sophia Peng, CPA — LinkedIn Profile

About the Founder

About Sophia Peng, CPA

Sophia Peng has served as a licensed CPA in California since 2016, bringing over 13 years of experience in public accounting, including nearly four with Big Four firms. She earned a Master of Accountancy from California State University, Los Angeles, and a Master of Taxation from USC. Sophia collaborates with diverse clients—from high-net-worth individuals and expatriates to small and large enterprises, trusts, and nonprofits—providing expert tax planning, compliance, bookkeeping, payroll, and financial reporting. With extensive experience in both U.S. and international taxation, Sophia specializes in handling complex tax situations for multi-entity and multi-tiered structures. She's well-versed in managing consolidated tax compliance for groups with multiple subsidiaries, joint ventures, partnerships, REITs, blocker corporations, and foreign investors — ensuring every detail of ownership, withholding, and reporting is handled with care and precision.

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