Expert Financial Guidance
for Growing Businesses
A boutique CPA firm delivering personalized tax, accounting, audit, and advisory services tailored to our client's needs.
Comprehensive Accounting Services
From annual tax filings to complex business transactions, we provide the expertise your business needs at every stage.
Tax Services
Comprehensive tax solutions for businesses and individuals — from annual compliance to long-term planning strategies.
- Tax Compliance
- Tax Planning
- Business Entity Selection
- Tax Audit Representation
Accounting Services
Accurate, timely accounting support — from day-to-day bookkeeping to senior-level financial leadership.
- Bookkeeping
- Financial Reporting
- Fractional Controller Services
Assurance Services
Independent assurance engagements that provide credibility to your financial statements and confidence to stakeholders.
- Audits
- Reviews
- Compilations
Advisory Services
Strategic counsel that goes beyond the numbers — helping you make better decisions and navigate complex challenges.
- Business Consulting
- Fractional CFO Services
A Boutique Firm With Big-Firm Depth
Locally Rooted, Broadly Experienced
Based in Melville, NY — deeply connected to the Long Island and tri-state business community for decades.
Proactive, Year-Round Advisory
We stay engaged between tax seasons so you're never caught off guard by regulatory changes or financial opportunities.
Specialists in Closely Held Businesses
Deep experience with owner-operated and family-owned businesses — from start-up through exit and succession planning.
Meet the Team
Our partners bring decades of combined experience across tax, audit, and advisory disciplines.
Michael W. Schonig, CPA
Co-founder and Co-Managing Partner with extensive experience advising high-net-worth individuals and closely held businesses on tax, financial planning, and compliance throughout the New York metro area.
Darren Goldstein, CPA
Provides strategic tax planning, financial reporting, and compliance solutions for business and individual clients, with a focus on delivering measurable results and minimizing tax exposure.
Joseph L. Gil, CPA
Co-founder of Gil & Schonig CPAs, LLP. Joseph brings deep expertise in tax planning and business advisory for growing enterprises, and has been a cornerstone of the firm since its founding.
Diane L. Reddington, CPA, CGMA
Extensive experience spanning business strategy, tax, financial advisory, and audit services. Diane's broad background makes her a trusted resource for complex, multi-faceted engagements.
Let's Start a Conversation
Whether you have a specific question or just want to explore how we can help, we'd love to hear from you.
Ready to work with us? Start by completing a short questionnaire so we can learn about your needs and ensure we're the right fit.
Begin Questionnaire →