Serving Oyster Bay & Long Island Since 2005

Your Wealth,
Our Priority

Expert tax preparation and financial guidance rooted in integrity. We help individuals and businesses across Long Island keep more of what they earn.

Schedule a Consultation (516) 937-1300
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Our Services

Comprehensive Financial
Solutions for Every Need

Tax Preparation

Personal and business tax returns prepared with meticulous attention to detail. We maximize your deductions while ensuring full compliance with current tax law.

Bookkeeping

Accurate, organized financial records that give you a clear picture of your business health. We handle the numbers so you can focus on growing your company.

IRS Representation

Facing an audit or IRS notice? We advocate on your behalf, handling communications and negotiations to protect your interests and resolve issues efficiently.

Business Formation

LLC, S-Corp, or partnership — we guide you through entity selection and setup, ensuring the right structure for your tax situation and business goals from day one.

Payroll Services

Streamlined payroll processing, tax withholding, and compliance management. Keep your team paid accurately and on time, every pay period.

Financial Planning

Strategic tax and wealth planning tailored to your goals. We help you make informed decisions today that secure your financial future.

Professional tax office in Oyster Bay

18+

Years of Trusted Service

About Us

A Local Practice
Built on Trust

Mid Island Tax Services Inc has been a cornerstone of financial guidance in Oyster Bay for nearly two decades. We understand that tax season can feel overwhelming — that's why we've built our practice around one simple principle: making your financial life simpler, clearer, and more secure.

Our team brings deep expertise in both personal and business taxation, with a personal touch that large firms simply can't match. Whether you're a Long Island homeowner navigating property taxes, a small business owner planning for growth, or a family preparing for a major life change, we provide the focused attention you deserve.

Licensed & Certified
Local & Accessible
Personal Attention
Year-Round Support
Why Choose Us

The Mid Island
Difference

Dedicated to You

You're never just a file number. We build lasting relationships and tailor our approach to your unique situation.

Tax Season Ready

We accept clients year-round, so your records are always organized and you're never scrambling when April approaches.

Accuracy Guaranteed

Every return is double-checked. We stand behind our work with a commitment to precision and thoroughness.

Right in Your Neighborhood

Located on North Broadway in Oyster Bay, we're conveniently positioned to serve the entire Long Island community.

Client Testimonials

What Our Clients Say

"Mid Island Tax Services made what I dreaded into something manageable. They found deductions I didn't know existed and walked me through everything clearly. I've been coming here for years and wouldn't go anywhere else."

M.R.

Margaret R.

Small Business Owner, Oyster Bay

"As a contractor, my taxes are complicated. Mid Island handles everything — from quarterly estimates to year-end planning. They're thorough, responsive, and genuinely care about saving me money. Highly recommend."

D.K.

Daniel K.

General Contractor, Nassau County

"After my husband passed, I was overwhelmed by the paperwork. Mid Island handled everything with patience and compassion. They went above and beyond during one of the hardest times of my life. Forever grateful."

S.L.

Susan L.

Retired, Oyster Bay

Ready to Take Control of
Your Finances?

Schedule your personalized consultation today. Whether it's tax season or anything in between, we're here to help you move forward with confidence.

Get Started Today Call (516) 937-1300
Contact Us

Get in Touch

Visit Us

380 N Broadway
Oyster Bay, NY 11753-2109

Call Us

(516) 937-1300

Office Hours

Monday – Friday: 9:00 AM – 6:00 PM

Saturday – Sunday: By Appointment

Send Us a Message

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