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Tax & Compliance

Corporate Returns (1120-S, 1065, 1120)

We prepare S-corp, partnership, and C-corp returns for New York City businesses, including multi-entity and multi-jurisdiction filings.

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Most business owners think of the entity return as a formality. File it, move on. But the 1120-S, 1065, or 1120 does more than report last year’s numbers. It shapes owner planning, payroll decisions, estimated taxes, distributions, basis tracking, and K-1 reporting. It’s the annual checkpoint that determines how the next year gets managed.

We prepare S-corporation, partnership, and C-corporation returns for NYC businesses across service industries, creative industries, owner-led companies, professional practices, and multi-entity structures. For some clients, one entity is enough. For others, the picture includes management companies, operating entities, investment vehicles, payroll questions, or owners with multiple filing layers.

Entity Returns as a Planning Tool

The quality of an entity return ripples outward. It directly affects:

  • Owner-level tax preparation and K-1 reporting
  • State and local filing obligations
  • Payroll design and owner compensation
  • Basis and distribution planning
  • Future entity-structure decisions
  • The timing of estimated payments for owners

This is why corporate returns connect to Entity Formation & Structuring, Bookkeeping, Payroll Compliance, Tax Strategy & Consulting, and Individual Tax Returns (1040). Business-entity income usually flows to the owner’s 1040 through Line 8: Additional Income and Line 21: Other Taxes.

Why Clean Books Matter Here

A business return is only as good as the books behind it. When the accounting is weak, tax preparation turns into cleanup work instead of informed filing. We approach corporate returns as part of a wider accounting system, not a standalone annual task.

The return process works best when it’s supported by:

  • Accurate, up-to-date bookkeeping
  • Reconciled bank and credit card accounts
  • Clear payroll records and owner-distribution visibility
  • Organized documentation for major year-end items

Why Clients Choose The Reed Corporation

Our clients want a firm that understands how entity compliance and owner-level outcomes connect. We prepare returns with the full business picture in view — how the entity fits into cash flow, planning, and multi-year tax strategy.

Here’s something a lot of business owners don’t realize: the biggest tax savings from an entity return usually don’t come from the return itself. They come from the payroll, timing, and distribution decisions made during the year. The return just confirms whether those decisions were right.

Frequently Asked Questions

When is my business return due, and is it different from my personal return?
Yes. S-corp (1120-S) and partnership (1065) returns are generally due March 15, while C-corp (1120) returns follow the fiscal year-end. These deadlines are earlier than the April 15 individual deadline because the K-1s they generate are needed to complete owner-level returns.
What’s a K-1, and why does it matter for my personal taxes?
A K-1 reports your share of income, deductions, and credits from a pass-through entity like an S-corp or partnership. It flows directly onto your 1040 and determines a significant portion of your personal tax liability. Getting the entity return right is what makes the K-1 accurate.
Do I need separate bookkeeping for my entity return?
Yes. Clean, entity-level books are the foundation of an accurate business return. Without them, the return becomes a reconstruction exercise rather than a reporting exercise, which takes longer and produces weaker results.
Can you help me decide whether my entity election still makes sense?
Absolutely. We review entity elections as part of the broader tax picture — looking at income levels, payroll costs, state implications, and administrative burden. Sometimes the entity that made sense three years ago no longer fits, and the return is usually where that becomes visible.
What happens if my business return is late?
Late-filing penalties for business returns can add up fast — especially for partnerships and S-corps, where the penalty is assessed per partner or shareholder per month. Extensions are available and we file them proactively, but the return itself still needs to get done on time once extended.

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Want to make sure your entity return is doing more than checking a box? Let’s talk about what the numbers actually mean for you.

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