Fairfield CPA Firm for S-Corps & Small Businesses

Looking for a CPA in Fairfield? SDO CPA provides virtual tax preparation, bookkeeping, payroll, and fractional CFO services to Fairfield 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 Fairfield 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 Fairfield’s Professional Services, Healthcare, Education economy. Whether you’re managing Many Fairfield business owners operate home-based professional services firms and need proper home office deduction structuring and entity planning or capitalizing on Fairfield University and Sacred Heart University create a steady pipeline of educated workers and entrepreneurial activity in the town center, SDO CPA provides the virtual accounting support your business needs.

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

Key Takeaways: Fairfield CPA Services

  • Virtual CPA services — Full tax, bookkeeping, and advisory support without geographic limitations
  • Connecticut tax expertise — CT has 6.99% top individual rate. Pass-through entity tax (PTET) available at 6.99% for SALT cap workaround. No local income taxes. planning and multi-state compliance
  • Industry focus — Specialized experience with Professional Services, Healthcare, Education
  • 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 Fairfield, CT

Fairfield combines a New England town center charm with serious economic output, anchored by General Electric’s former headquarters campus (now occupied by multiple corporate tenants) and two universities that enroll a combined 14,000 students. Fairfield University’s Dolan School of Business produces a steady stream of finance and accounting graduates who launch practices in the area. The Post Road commercial corridor stretches through the Fairfield town center and Black Rock Turnpike districts, hosting professional services firms, medical practices, and specialty retail. Sacred Heart University’s recent $150 million campus expansion has boosted construction activity and local employment. Fairfield Metro station provides direct access to Manhattan in 75 minutes, supporting a commuter population that often runs side businesses alongside corporate careers. The Penfield Beach and Southport Harbor areas attract seasonal tourism that supports hospitality businesses from May through October. SDO CPA helps Fairfield professionals and side-business owners structure S-Corps, claim proper home office deductions, and coordinate PTET elections with their W-2 income for maximum tax efficiency.

Connecticut Tax Planning Tip

Connecticut’s PTET allows S-Corps and partnerships to pay entity-level tax, generating a federal deduction to bypass the SALT cap. Combined with CT’s lack of local income taxes, proper entity structuring can significantly reduce overall tax burden for business owners.

Fairfield is home to 4,100+ small businesses and a population of 61,512. From Professional Services, Healthcare, Education to professional services, Fairfield business owners need CPAs who understand Many Fairfield business owners operate home-based professional services firms and need proper home office deduction structuring and entity planning and can provide year-round tax planning — not just compliance.

CPA Services for Fairfield Businesses

Common Challenges for Fairfield Business Owners

Challenge

Fairfield businesses often face Many Fairfield business owners operate home-based professional services firms and need proper home office deduction structuring and entity planning, 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 Fairfield’s business environment, helping you handle Many Fairfield business owners operate home-based professional services firms and need proper home office deduction structuring and entity planning with confidence.

Challenge

Many Fairfield 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 Fairfield 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.

“I run a consulting firm from my Fairfield home while still working a corporate job. SDO CPA structured my S-Corp and home office deduction correctly, saving me $16,200 in taxes on my side business income.”
— Linda T., Independent management consultant in Fairfield

How to Get Started With SDO CPA

1

Schedule Your Free Consultation

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

Connecticut Tax Expertise

We understand CT has 6.99% top individual rate. Pass-through entity tax (PTET) available at 6.99% for SALT cap workaround. No local income taxes. and help Fairfield 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 Fairfield 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 Fairfield?
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 Fairfield business?
Yes. CPAs can prepare tax returns and provide accounting services for clients in any state. SDO CPA serves Fairfield 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 Professional Services businesses?
Yes. Fairfield’s Professional Services 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 Fairfield businesses?
Yes. Our fractional CFO services provide cash flow forecasting, budgeting, financial modeling, and strategic planning for Fairfield businesses generating $500K+ in revenue that need financial leadership without a full-time hire.
Should my Fairfield 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 Fairfield business during your free consultation. Learn about our bookkeeping services.

Resources for Fairfield Business Owners

Also Serving Fairfield County

SDO CPA provides virtual CPA services to businesses throughout Fairfield County and Connecticut.

Ready to Work With a CPA Who Understands Fairfield 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 Connecticut. Services requiring CPA licensure are performed by Texas-licensed CPAs. We do not provide attest services (audits, reviews, or compilations) for Connecticut entities. Per Texas State Board of Public Accountancy regulations (22 TAC §501.82).