New Haven CPA Firm for S-Corps & Small Businesses

Looking for a CPA in New Haven? SDO CPA provides virtual tax preparation, bookkeeping, payroll, and fractional CFO services to New Haven 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 New Haven 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 New Haven’s Higher Education, Biotech & Life Sciences, Healthcare economy. Whether you’re managing Many businesses depend on Yale’s institutional spending cycles and face unique tax complications from research grants, licensing income, and university partnerships or capitalizing on Yale’s $1.7 billion annual research spending fuels a biotech startup ecosystem along Science Park, creating demand for R&D tax credit expertise, SDO CPA provides the virtual accounting support your business needs.

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

Key Takeaways: New Haven 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 Higher Education, Biotech & Life Sciences, Healthcare
  • 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 New Haven, CT

New Haven’s economy revolves around Yale University, which employs 15,000 people directly and supports an estimated 30,000 additional jobs across the metro area. Science Park, a 1.6-million-square-foot research and innovation campus adjacent to Yale’s medical school, houses over 50 biotech and life sciences companies developing therapeutics, medical devices, and diagnostic tools. The Ninth Square and Chapel Street districts have become walkable commercial corridors with restaurants, retail, and professional services firms. Yale-New Haven Hospital, one of the nation’s top-ranked medical centers, anchors a healthcare cluster that generates $4.2 billion in annual revenue. The city’s food scene, from Frank Pepe’s on Wooster Street to the Chapel West dining district, supports a hospitality sector employing 8,500 workers. SDO CPA serves New Haven biotech founders with R&D tax credit documentation, startup entity structuring, and Connecticut PTET elections. We help healthcare practice owners with reasonable compensation analysis and multi-entity planning for physicians with both clinical and consulting income.

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.

New Haven is home to 6,800+ small businesses and a population of 134,023. From Higher Education, Biotech & Life Sciences, Healthcare to professional services, New Haven business owners need CPAs who understand Many businesses depend on Yale’s institutional spending cycles and face unique tax complications from research grants, licensing income, and university partnerships and can provide year-round tax planning — not just compliance.

CPA Services for New Haven Businesses

Common Challenges for New Haven Business Owners

Challenge

New Haven businesses often face Many businesses depend on Yale’s institutional spending cycles and face unique tax complications from research grants, licensing income, and university partnerships, 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 New Haven’s business environment, helping you handle Many businesses depend on Yale’s institutional spending cycles and face unique tax complications from research grants, licensing income, and university partnerships with confidence.

Challenge

Many New Haven 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 New Haven 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.

“Our New Haven biotech startup qualified for $63,200 in R&D tax credits that our previous accountant never mentioned. SDO CPA also structured our entity to take advantage of Connecticut’s PTET from day one.”
— Kevin W., Biotech startup founder in New Haven

How to Get Started With SDO CPA

1

Schedule Your Free Consultation

Book a call to discuss your New Haven 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 New Haven 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 New Haven 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 New Haven 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 New Haven?
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 New Haven business?
Yes. CPAs can prepare tax returns and provide accounting services for clients in any state. SDO CPA serves New Haven 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 Higher Education businesses?
Yes. New Haven’s Higher Education 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 New Haven businesses?
Yes. Our fractional CFO services provide cash flow forecasting, budgeting, financial modeling, and strategic planning for New Haven businesses generating $500K+ in revenue that need financial leadership without a full-time hire.
Should my New Haven 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 New Haven business during your free consultation. Learn about our bookkeeping services.

Resources for New Haven Business Owners

Also Serving Greater New Haven

SDO CPA provides virtual CPA services to businesses throughout Greater New Haven and Connecticut.

Ready to Work With a CPA Who Understands New Haven 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).