Duncanville CPA Firm for S-Corps & Small Businesses

Looking for a CPA in Duncanville? SDO CPA is headquartered right here in Duncanville, TX. We provide tax preparation, bookkeeping, payroll, and fractional CFO services to local and nationwide 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 (Local Office)

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 chose Duncanville as the home base for SDO CPA. Whether you’re managing small business franchise tax compliance or capitalizing on the cost advantages of operating outside Dallas proper, SDO CPA provides the accounting support your business needs — with a local office just minutes from downtown.

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

Key Takeaways: Duncanville CPA Services

  • Local CPA office — SDO CPA is headquartered at 214 S Main St, Suite 101-C, Duncanville, TX 75116
  • Texas tax expertise — Texas has no state income tax, but franchise tax (margin tax) applies to most businesses planning and multi-state compliance
  • Industry focus — Specialized experience with Retail, Healthcare, Professional Services
  • 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 Duncanville, TX

Duncanville sits at the crossroads of I-20 and US-67, just 15 minutes south of downtown Dallas. With a population of roughly 40,000, the city offers Duncanville business owners lower operating costs than neighboring Dallas while maintaining easy access to the entire DFW metroplex. SDO CPA chose Duncanville as our home base for exactly these reasons — and we understand the economics that make this community attractive to small business owners.

Along Main Street and the Cedar Ridge commercial area, local retailers, healthcare providers, and professional services firms serve both Duncanville residents and the broader Best Southwest corridor that includes DeSoto, Cedar Hill, and Lancaster. Texas franchise tax affects businesses with revenue over $2.47 million, but even smaller Duncanville businesses benefit from proactive tax planning around S-Corp elections, reasonable compensation, and retirement contribution strategies that reduce federal tax obligations.

As a Duncanville-based firm, SDO CPA provides something most virtual CPAs can’t: a local office where clients can drop off documents, have face-to-face meetings, or simply work with a CPA who understands the Best Southwest business community firsthand. We combine this local presence with cloud-based tools that let us serve you efficiently year-round.

Texas Tax Planning Tip

Texas doesn’t have a state income tax, but the Texas franchise tax (margin tax) applies to businesses with revenue above $2.47 million. S-Corp and partnership owners should analyze whether the E-Z Computation rate (0.331% of revenue) or the standard rate (0.75% of margin) produces a lower tax bill. Many Duncanville businesses overpay because they default to the E-Z rate without running both calculations.

Duncanville is home to over 2,800 small businesses and a population of 40,223. From Retail, Healthcare, Professional Services to education, Duncanville business owners need CPAs who understand small business franchise tax compliance and can provide year-round tax planning — not just compliance. As the home base of SDO CPA, Duncanville businesses get the added advantage of working with a truly local firm.

CPA Services for Duncanville Businesses

Common Challenges for Duncanville Business Owners

Challenge

Duncanville businesses often face small business franchise tax compliance and choosing the right entity structure, 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 Duncanville’s business environment, helping you handle franchise tax compliance and entity structuring with confidence.

Challenge

Many Duncanville 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. Plus, our office is right here in Duncanville.

Challenge

Tax preparation alone doesn’t help Duncanville 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.

“Having a CPA right here in Duncanville makes all the difference. SDO CPA restructured my LLC as an S-Corp and helped me set up proper reasonable compensation. I saved $9,200 in self-employment taxes in the first year.”
— Jennifer L., Professional services firm owner in Duncanville

How to Get Started With SDO CPA

1

Schedule Your Free Consultation

Book a call to discuss your Duncanville 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 Duncanville Business Owners Choose SDO CPA

Your Local CPA

SDO CPA is headquartered in Duncanville. We’re not a remote-only firm — you have a local office for in-person meetings, document drop-offs, and face-to-face tax planning discussions.

Texas Tax Expertise

We understand Texas has no state income tax, but franchise tax (margin tax) applies to most businesses and help Duncanville businesses maximize tax advantages while managing federal obligations.

Transparent Pricing

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

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 Duncanville?
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.
Is SDO CPA located in Duncanville?
Yes. SDO CPA is headquartered at 214 S Main St, Suite 101-C, Duncanville, TX 75116. We serve local Duncanville businesses with both in-person and virtual options, and we also serve clients nationwide through our cloud-based systems.
Do you specialize in Retail businesses?
Yes. Duncanville’s Retail sector has unique accounting needs including inventory management, sales tax compliance, and seasonal cash flow planning 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 Duncanville businesses?
Yes. Our fractional CFO services provide cash flow forecasting, budgeting, financial modeling, and strategic planning for Duncanville businesses generating $500K+ in revenue that need financial leadership without a full-time hire.
Should my Duncanville 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 Duncanville business during your free consultation. Learn about our bookkeeping services.

Resources for Duncanville Business Owners

Also Serving Best Southwest & Dallas-Fort Worth

SDO CPA provides CPA services to businesses throughout Best Southwest and the Dallas-Fort Worth metroplex.

Ready to Work With a CPA Right Here in Duncanville?

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. Our team provides tax preparation, bookkeeping, and advisory services to clients nationwide. Services requiring CPA licensure are performed by Texas-licensed CPAs. We do not provide attest services (audits, reviews, or compilations). Per Texas State Board of Public Accountancy regulations (22 TAC §501.82).