CPA-Led Corporate Tax, Bookkeeping & Accounting Services for Long Island Businesses

Get reliable business tax preparation, corporate accounting services, payroll processing, and bookkeeping services from a CPA-led firm serving Nassau County and Suffolk County, NY.

  • CPA-led business accounting services focused on accuracy & compliance

  • Accounting and bookkeeping services designed for all kind of 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.

COMPANY

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