CPA-Led Business Tax & Accounting Services for Long Island Businesses
Get reliable business tax preparation, payroll processing, sales tax filing, and bookkeeping services from a CPA-led firm serving Nassau County and Suffolk County, NY.
CPA-led business tax services focused on accuracy and compliance
Accounting and bookkeeping services designed for small businesses
Payroll processing and sales tax preparation handled under one firm
CPA-Led Firm
Average Tax Savings per Client
3,500+
Business Clients Served
All-in-One Monthly Compliance
100+
Years of Combined Experience
Complete Business Accounting & Compliance Services
Our services are designed to work together, giving you a clear, coordinated financial strategy instead of disconnected support.
From accurate bookkeeping and reliable payroll to compliant tax preparation and proactive tax planning, everything is handled by a CPA-led team focused on reducing risk, improving clarity, and helping you keep more of what you earn.
Business Tax Preparation Services
Accurate, CPA-led business tax preparation services focused on proper filing and long-term compliance for small businesses.
Sales Tax Preparation & Filing
We prepare business and individual tax returns with a focus on accuracy, compliance, and audit-ready documentation. Unlike volume firms, your return is reviewed with a strategic lens by a CPA who understands your broader financial picture.
Bookkeeping & Records Cleanup
Our bookkeeping service goes beyond data entry. As a CPA-led bookkeeping and accounting services firm, we deliver accurate, timely financials that support better decisions and proactive tax planning.
Payroll Processing for Small Businesses
Reliable payroll processing integrated with your bookkeeping and tax filings to reduce errors and missed deadlines.
A Different Kind of Accounting Firm
CPA-led firm serving small and mid-sized businesses
Proven experience with 3,500+ business clients
100 years of combined experience across tax, payroll, sales tax, and bookkeeping
One firm for tax and accounting services, payroll, and bookkeeping
Strong execution and deadline discipline
Monthly compliance model designed to reduce risk
Ready to Simplify Your Business Accounting?
Whether you need business tax preparation, payroll processing, sales tax filing, or bookkeeping services, our CPA-led team is ready to help.
Simple Steps to Get Started
Schedule a Consultation – Speak directly with a CPA
Review Your Current Setup - Tax, payroll, bookkeeping, and sales tax are reviewed together.
Identify Gaps - Understand compliance risks and inefficiencies.
Implement Monthly Services – Services are bundled for ongoing consistency and clarity.
What clients say about us
Fantastic job been using AL for about 15 years or more . Always helpful and responsive to my questions. One of many things that always stood out to me is he makes you feel like you’re his only client.
Thomas Iaboni
We've been clients of Al's for years. Our taxes are done quickly and efficiently and we're very happy with the service we receive.
Cathy Schaefer
Alfonso J.Mollica is an excellent CPA.
He has always paid attention to our needs. His advise is always correct. We are very lucky to have him as our accountant.
Jamie A
Frequently Asked Question
Do you offer tax preparation only?
No. Services include business tax preparation, payroll processing, sales tax preparation, bookkeeping, and records cleanup.
Can bookkeeping and payroll be handled together?
Yes. Bundled monthly services are a core part of our offering.
Do you work with small businesses?
Yes. Services are designed for small and mid-sized businesses.
Is the consultation free?
Yes. The initial consultation is offered at no cost.
Do you serve Nassau and Suffolk County?
Yes. We serve businesses throughout Long Island.
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