CPA Services in California, California

Looking for a CPA in California? SDO CPA provides virtual tax preparation, bookkeeping, payroll, and fractional CFO services to California businesses specializing in S-Corps and partnerships. We provide upfront estimates — if scope changes, we discuss it first. Schedule a free consultation.
Serena Do, CPA — Managing Partner of SDO CPA

Serena Do, CPA

Managing Partner | Duncanville, TX (Serving California Virtually)

18+ Years Experience | AICPA Member

Licensed CPA — Texas State Board of Public Accountancy

With 18+ years of experience helping business owners across the country, I bring specialized expertise to California’s Technology, Entertainment, Agriculture economy. Whether you’re managing Highest state income tax rate in the nation at 13.3% demands proactive tax planning for business owners or capitalizing on California’s $3.9 trillion GDP ranks as the world’s 5th largest economy, with massive small business growth across all sectors, SDO CPA provides the virtual accounting support your business needs.

We offer cloud-based tax preparation, bookkeeping, payroll, and fractional CFO services designed for California business owners who want proactive guidance — not just annual tax filing.

Key Takeaways: California CPA Services

  • Virtual CPA services — Full tax, bookkeeping, and advisory support without geographic limitations
  • California tax expertise — California has a 13.3% top individual income tax rate, the highest in the US. The Franchise Tax Board imposes a minimum $800 annual franchise tax on LLCs and S-Corps. The pass-through entity elective tax (AB 150) at 9.3% allows owners to work around the federal SALT deduction cap. planning and multi-state compliance
  • Industry focus — Specialized experience with Technology, Entertainment, Agriculture
  • Transparent pricing — Upfront estimates starting at $300/month; if scope changes, we discuss it first
  • Responsive support — Direct CPA access, same-day responses

Accounting & Tax Services in California, CA

California is home to over 4.2 million businesses, making it the largest state economy in the United States with a GDP exceeding $3.9 trillion. From Silicon Valley’s tech corridor to Los Angeles’ entertainment industry, San Diego’s biotech cluster, and the Central Valley’s $50 billion agricultural output, California businesses face some of the most complex tax environments in the country. The state’s 13.3% top individual income tax rate, $800 minimum franchise tax on LLCs and S-Corps, and layered city-level business taxes create planning challenges that demand specialized CPA guidance. SDO CPA helps California business owners navigate the pass-through entity elective tax under AB 150, structure entities to minimize franchise tax exposure, and implement strategies that reduce overall state tax liability. Whether you’re a startup founder in the Bay Area or a manufacturing company in the Inland Empire, our team provides virtual CPA services tailored to California’s unique regulatory landscape.

California Tax Planning Tip

California business owners should evaluate the PTE elective tax each year, as paying 9.3% at the entity level generates a dollar-for-dollar credit on personal returns, effectively bypassing the $10,000 SALT cap. Proper entity structuring can also minimize the $800 minimum franchise tax across multiple entities.

California is home to 4,200,000+ small businesses and a population of 39,029,342. From Technology, Entertainment, Agriculture to professional services, California business owners need CPAs who understand Highest state income tax rate in the nation at 13.3% demands proactive tax planning for business owners and can provide year-round tax planning — not just compliance.

CPA Services for California Businesses

Common Challenges for California Business Owners

Challenge

California businesses often face Highest state income tax rate in the nation at 13.3% demands proactive tax planning for business owners, making tax planning and cash flow management more complex than standard approaches allow.

Our Approach

We provide proactive tax planning and fractional CFO services tailored to California’s business environment, helping you handle Highest state income tax rate in the nation at 13.3% demands proactive tax planning for business owners with confidence.

Challenge

Many California business owners struggle to get timely responses from their CPA, especially during busy seasons when questions are most urgent.

Our Approach

SDO CPA provides direct access to your CPA team with same-day response times. No call centers, no waiting weeks for answers.

Challenge

Tax preparation alone doesn’t help California business owners understand their financial position or make informed decisions throughout the year.

Our Approach

We deliver monthly financial reports with actionable insights, helping you understand cash flow, profitability, and tax liability before year-end.

“We were paying way too much in California state taxes. SDO CPA restructured our entity setup and implemented the PTE elective tax, saving us $38,400 in our first year.”
— Kevin M., E-commerce business owner in California

How to Get Started With SDO CPA

1

Schedule Your Free Consultation

Book a call to discuss your California business, current financial setup, and goals.

2

Get Your Custom Proposal

Receive a clear proposal with upfront estimates — if scope changes, we discuss it first.

3

Seamless Onboarding

We connect to your QuickBooks or Xero and organize your books within 30 days.

4

Ongoing Partnership

Monthly reports, proactive tax planning, and year-round CPA access.

Why California Business Owners Choose SDO CPA

California Tax Expertise

We understand California has a 13.3% top individual income tax rate, the highest in the US. The Franchise Tax Board imposes a minimum $800 annual franchise tax on LLCs and S-Corps. The pass-through entity elective tax (AB 150) at 9.3% allows owners to work around the federal SALT deduction cap. and help California businesses maximize tax advantages while managing federal obligations and multi-state complexity.

Transparent Pricing

Clear monthly estimates for standard services. We scope your needs upfront and communicate before any additional work. See our pricing.

Cloud-Based & Virtual

Access your financials anywhere. We work with QuickBooks Online, Xero, Gusto, and Ramp to keep your California business running smoothly.

S-Corp & Partnership Specialists

Our clients are pass-through entity owners. We handle reasonable compensation analysis, K-1 preparation, QBI optimization, and entity selection.

Responsive Communication

Get answers when you need them. Our team responds within one business day, and you’ll have direct access to your CPA.

Frequently Asked Questions

How much does a CPA cost for a small business in California?
At SDO CPA, bookkeeping starts at $300-$500 per month for a single entity. Full-service packages including bookkeeping, tax planning, and advisory range from $1,000-$2,000 per month with upfront estimates — if scope changes, we discuss it first. View our pricing.
Can a virtual CPA serve my California business?
Yes. CPAs can prepare tax returns and provide accounting services for clients in any state. SDO CPA serves California businesses through secure cloud-based tools including QuickBooks Online, Gusto, and encrypted document sharing with the same quality as a local firm.
Do you specialize in Technology businesses?
Yes. California’s Technology sector has unique accounting needs including industry-specific deductions, revenue recognition, and compliance requirements that we address with tailored solutions.
What is the difference between a bookkeeper and a CPA?
A bookkeeper records transactions and maintains financial records. A CPA is a state-licensed professional who can prepare and sign tax returns, provide tax planning advice, represent you before the IRS, and offer strategic financial guidance that bookkeepers cannot.
Do you offer fractional CFO services for California businesses?
Yes. Our fractional CFO services provide cash flow forecasting, budgeting, financial modeling, and strategic planning for California businesses generating $500K+ in revenue that need financial leadership without a full-time hire.
Should my California business be an S-Corp or LLC?
It depends on your net income. Generally, businesses earning over $60,000 in net profit may save on self-employment taxes by electing S-Corp status. Use our S-Corp tax calculator to estimate savings, then schedule a consultation for personalized analysis.
How quickly does SDO CPA respond to questions?
We respond to all client inquiries within one business day. For urgent tax matters, we prioritize same-day responses. You’ll have direct access to your CPA — no call centers or gatekeepers.
What accounting software do you work with?
We work with QuickBooks Online, Xero, Gusto for payroll, and Ramp for expense management. We’ll recommend the best setup for your California business during your free consultation. Learn about our bookkeeping services.

Resources for California Business Owners

Also Serving California

SDO CPA provides virtual CPA services to businesses throughout California and California.

Ready to Work With a CPA Who Understands California Businesses?

Schedule your free consultation today. We’ll analyze your tax situation and provide an upfront estimate with no obligation.

Schedule a Call
Licensing Disclaimer: SDO CPA LLC is a Texas-registered CPA firm providing tax preparation, bookkeeping, and advisory services to clients nationwide under CPA practice mobility provisions. SDO CPA does not hold a CPA license in California. Services requiring CPA licensure are performed by Texas-licensed CPAs. We do not provide attest services (audits, reviews, or compilations) for California entities. Per Texas State Board of Public Accountancy regulations (22 TAC §501.82).
California Notice: SDO CPA does not hold a California CPA license, is not registered as an out-of-state firm with the California Board of Accountancy, and does not maintain a California office. We do not provide attest services for California entities.