tang advisory

Financial clarity. Digital security.

Certified public accountant (show on map)

Tax preparation, bookkeeping, and cybersecurity consulting from a licensed CPA with Big 4 and cloud security experience.

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About

Tang Advisory is the trade name of Tang Enterprises LLC, a Washington limited liability company and registered CPA firm. Founded by George Tang, CPA, who started his career at PwC and later served as lead assessor on SOC 2 examinations at Coalfire and built cloud infrastructure at AWS, the firm bridges the gap between traditional accounting and modern cybersecurity.

Tang Advisory provides tax preparation, bookkeeping, and SOC 2 Type I and Type II examinations, along with cybersecurity consulting, to individuals, small businesses, and SaaS & tech companies across Oregon, Washington, and nationwide. The firm holds 20+ professional certifications including CPA (WA & OR), CISSP, CISM, CRISC, CCSP, and AWS Security Specialty, and uses TaxDome as its SOC 2 Type II audited practice management platform.

Licensed CPA with Big 4 (PwC) background

20+ professional certifications including CISSP, CISM, CRISC, CCSP

Lead assessor on SOC 2 examinations for major hyperscalers (AWS, Azure, Google Cloud, Microsoft 365, Oracle Cloud, IBM Cloud)

Direct work with founder — no junior associates or rotating teams

Same-day responses and personal attention

SOC 2 Type II audited practice management platform (TaxDome)

CPA firm with both tax/accounting and cybersecurity expertise

Services

Tax Preparation

Accurate individual and business tax returns with year-round support and IRS representation.

Year-round support IRS representation Multi-state filing Quarterly estimates Entity structure advice (LLC vs. S-Corp)

Bookkeeping

Clean, organized financials so you always know where your business stands.

Monthly reconciliation Accounts payable & receivable Financial statement preparation Cash flow management QuickBooks setup & cleanup Payroll processing support Tax-ready financials Catch-up bookkeeping

SOC 2 Compliance

Navigate SOC 2 audits with confidence. From readiness to certification.

SOC 2 Type I and Type II examinations Readiness assessment Certification support Lead assessor on AWS, Azure, Google Cloud, Microsoft 365, Google Workspace, Oracle Cloud, IBM Cloud

Credentials & Certifications

CPA License (Washington)

Since 2014

CPA License (Oregon)

Since 2014

CISSP

CISM

CRISC

CCSP

CompTIA Security+

CIPP/US

CIPM

AWS Security Specialty

AWS SA Pro

Microsoft Cybersecurity Architect (SC-100)

Azure Security Engineer (AZ-500)

Google Cloud Engineer

HITRUST CCSP

POC

Open FAIR

CCSK

Frequently Asked Questions

What services does Tang Advisory offer? +

Tang Advisory offers tax preparation, bookkeeping, and SOC 2 compliance services for individuals, small businesses, and SaaS/tech companies.

Where is Tang Advisory licensed? +

Tang Advisory is licensed in Washington and Oregon since 2014.

Does Tang Advisory handle SOC 2 examinations for major cloud platforms? +

Yes, George Tang has served as lead assessor on SOC 2 examinations for AWS, Azure, Google Cloud, Microsoft 365, Google Workspace, Oracle Cloud, and IBM Cloud.

What certifications does the founder hold? +

George Tang holds 20+ professional certifications including CPA (WA & OR), CISSP, CISM, CRISC, CCSP, CompTIA Security+, CIPP/US, CIPM, AWS Security Specialty, AWS SA Pro, Microsoft Cybersecurity Architect (SC-100), Azure Security Engineer (AZ-500), Google Cloud Engineer, HITRUST CCSP, POC, Open FAIR, and CCSK.

Who does Tang Advisory work with? +

Tang Advisory works with individuals and families navigating complex tax situations, freelancers and small business owners in Oregon and Washington, tech employees with stock options/RSUs, and SaaS companies needing SOC 2 certification.

Is Tang Advisory a financial institution under GLBA? +

Yes, as a CPA firm, Tang Advisory is a financial institution under the Gramm-Leach-Bliley Act (GLBA) and maintains privacy and safeguards obligations accordingly.

What is Tang Advisory's approach to client service? +

Clients work directly with George Tang — not a junior associate or rotating team. Every client gets personal attention and same-day responses.

Does Tang Advisory use a secure client portal? +

Yes, Tang Advisory uses TaxDome, an SOC 2 Type II audited practice management and client portal platform, for secure document exchange, e-signatures, engagement letters, invoicing, and messaging.