Business Tax Preparation

Business Tax Preparation for Long Island & NYC Owners

Accurate, well-structured business returns — LLCs, S-Corps, and partnerships — prepared by someone who plans with you year-round, not just at the deadline. Serving business owners across Long Island and New York City.

The difference

A business return is a planning document, not just a filing

A lot of business owners treat the tax return as paperwork to get out of the way. We treat it as the scorecard for decisions you made all year — and the starting point for the ones you are about to make. The return that just reports last year is a missed opportunity; the return prepared by someone who understands your entity, your income, and where you are headed is where real tax outcomes come from.

We prepare federal and New York State business returns for owners across Nassau County, Suffolk County, and NYC. The work is accurate and on time, but the value is in the structure: making sure your entity, your compensation, and your deductions all fit together the way they should.

What we file

Returns we prepare

Pass-through entities
S-Corporation returns (Form 1120-S) and Schedule K-1s
Partnership and multi-member LLC returns (Form 1065)
Single-member LLCs and sole proprietors (Schedule C)
Owner 1040s coordinated with the business return
Beyond the core filing
Prior-year and late business filings
Amended business returns when something needs correcting
Reasonable-compensation and owner-draw review for S-Corps
New York State and NYC business filings
What you get

What working with us looks like

Beyond a correct return, the engagement is built to make next year easier:

A preparer who knows your file and is available year-round, not just January through April
Deduction review that catches what generic software misses
Quarterly estimated-tax planning so the next bill is not a surprise
Entity-structure guidance as your income grows
Books and return kept in sync when we handle your bookkeeping too
Secure document exchange through our TaxDome client portal

If you are weighing whether your current structure still fits, our LLC vs S-Corp calculator is a good first look — and a conversation with us is the next step.

Who it fits

Who this is for

This service is for established and growing businesses — LLCs, S-Corps, and partnerships — across Long Island and the five boroughs of New York City, as well as owners who work with us remotely from anywhere in the country. If most of your income is 1099 or freelance, start with our freelancer and creator page; if you are specifically deciding whether to elect S-Corp status, see S-Corp election.

Keep going

Related tools and next steps

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A structured, professional process built to simplify your taxes and give you clearer numbers to plan from. Serving Long Island, NYC, and clients nationwide.
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Self-employed, LLC, S-Corp & complex situations
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New filers & existing clients