Springfield CPA Firm for S-Corps & Small Businesses

Looking for a CPA in Springfield? SDO CPA provides virtual tax preparation, bookkeeping, payroll, and fractional CFO services to Springfield 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 Springfield 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 Springfield’s Government, Healthcare, Insurance economy. Whether you’re managing Government contractor compliance requirements and navigating insurance industry regulatory accounting standards or capitalizing on State capital proximity creating steady government contracting and healthcare administration demand, SDO CPA provides the virtual accounting support your business needs.

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

Key Takeaways: Springfield CPA Services

  • Virtual CPA services — Full tax, bookkeeping, and advisory support without geographic limitations
  • Illinois tax expertise — Illinois has a flat 4.95% income tax plus Chicago city-level taxes planning and multi-state compliance
  • Industry focus — Specialized experience with Government, Healthcare, Insurance
  • 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 Springfield, IL

Springfield serves as the Illinois state capital and the economic hub of central Illinois, supporting over 5,100 businesses driven by government operations, healthcare systems, and the insurance industry. The State of Illinois is the region’s largest employer, and dozens of government contracting firms, lobbying organizations, and legal practices operate within blocks of the Capitol Complex along Second Street and Adams Street. HSHS St. John’s Hospital and Memorial Health System anchor a healthcare sector that includes specialty clinics, outpatient surgery centers, and home health agencies across the metro area. Springfield’s insurance industry presence includes companies like Horace Mann Educators Corporation and the Illinois Mutual Life Insurance Company, creating demand for specialized financial reporting and regulatory compliance accounting. The Dirksen Parkway commercial corridor and the growing medical district near the SIU School of Medicine generate steady business formation. SDO CPA serves Springfield business owners across government contracting, healthcare, and insurance with entity structuring, contract revenue recognition, and proactive tax planning. We analyze your financials monthly to help you manage cash flow around government payment cycles and optimize the Illinois PTE election for pass-through income.

Illinois Tax Planning Tip

Illinois has a flat 4.95% income tax that applies to all pass-through entity income. S-Corp owners should evaluate Illinois’s pass-through entity tax (PTE) election to work around the federal SALT deduction cap — this can save $5,000-$20,000 for owners with $200K+ in Illinois-source income. Chicago businesses also face the city’s 0.4% personal property lease transaction tax on equipment rentals.

Springfield is home to 5,100+ small businesses and a population of 113,714. From Government, Healthcare, Insurance to professional services, Springfield business owners need CPAs who understand Government contractor compliance requirements and navigating insurance industry regulatory accounting standards and can provide year-round tax planning — not just compliance.

CPA Services for Springfield Businesses

Common Challenges for Springfield Business Owners

Challenge

Springfield businesses often face Government contractor compliance requirements and navigating insurance industry regulatory accounting standards, 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 Springfield’s business environment, helping you handle Government contractor compliance requirements and navigating insurance industry regulatory accounting standards with confidence.

Challenge

Many Springfield 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 Springfield 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.

“As a government contractor in Springfield, cash flow timing is everything. SDO CPA set up our bookkeeping to track contract milestones and identified $38,000 in deductions related to our office build-out that our previous accountant missed.”
— Patricia W., Government consulting firm owner in Springfield

How to Get Started With SDO CPA

1

Schedule Your Free Consultation

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

Illinois Tax Expertise

We understand Illinois has a flat 4.95% income tax plus Chicago city-level taxes and help Springfield 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 Springfield 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 Springfield?
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 Springfield business?
Yes. CPAs can prepare tax returns and provide accounting services for clients in any state. SDO CPA serves Springfield 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 Government businesses?
Yes. Springfield’s Government 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 Springfield businesses?
Yes. Our fractional CFO services provide cash flow forecasting, budgeting, financial modeling, and strategic planning for Springfield businesses generating $500K+ in revenue that need financial leadership without a full-time hire.
Should my Springfield 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 Springfield business during your free consultation. Learn about our bookkeeping services.

Resources for Springfield Business Owners

Also Serving Central Illinois/Capital Region

SDO CPA provides virtual CPA services to businesses throughout Central Illinois/Capital Region and Illinois.

Ready to Work With a CPA Who Understands Springfield Businesses?

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

Schedule a Call
Licensing & Service Disclaimer: SDO CPA LLC is a Texas-licensed CPA firm serving clients in Illinois under CPA practice mobility provisions. We do not maintain a physical office in Illinois — all services are delivered remotely via secure video, phone, and digital collaboration tools. SDO CPA does not hold a CPA license in Illinois. 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).