Business Tax Returns (S-Corp, C-Corp, Partnership, LLC)
Entity-level tax preparation and compliance for LLCs, S-Corporations, C-Corporations, and partnerships — federal, state, and multi-state.
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Overview
What it is
Preparation and e-filing of Forms 1120 (C-Corp), 1120-S (S-Corp), 1065 (Partnership/Multi-member LLC), and Schedule C for single-member LLCs — plus K-1 issuance to owners and members.
Who needs it
U.S. business owners, founders, partners, and S-Corp shareholders operating in any state, including remote and multi-state businesses.
Key benefits
- Correct entity reporting that protects pass-through benefits
- Owner K-1s issued on time, every time
- Multi-state nexus and apportionment handled in-house
- Year-round bookkeeping and quarterly check-ins available
What's Included
Every engagement is fixed-fee. No surprises, no hourly billing.
- Federal Form 1120 / 1120-S / 1065 preparation and e-filing
- State franchise, income, and pass-through entity returns
- Owner Schedule K-1 issuance and delivery
- Reasonable compensation analysis for S-Corp shareholders
- Depreciation schedules and §179 / bonus depreciation review
- Multi-state nexus, apportionment, and combined reporting
- Form 7004 extension filing if needed
- Year-end book review and adjusting journal entries
Why Choose TaxBridge Advisory
Led by a Senior Tax Analyst with deep IRS and multi-state expertise across individual, business, and international filings.
Every return follows current IRS procedures, security standards, and documentation requirements — no shortcuts.
Authorized to prepare and e-file federal and state returns for clients in all 50 U.S. states and abroad.
Encrypted client portal for uploads, signatures, and delivery — your sensitive data is never sent through email.
Frequently Asked Questions
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Speak directly with a tax professional about your business tax returns needs. Get a clear plan and fixed-fee quote before you commit to anything.