Federal Business Tax Filing (IRS)
Corporate, partnership, and LLC tax preparation and e-filing done right — accurate, compliant, and stress-free.
Your trusted partner for IRS business tax returns.
C-Corp & S-Corp Filing
Forms 1120 and 1120-S with K-1 preparation for shareholders
Partnership & LLC Filing
Form 1065 with partner K-1s for multi-member entities
IRS E-Filing
Electronic filing with official IRS confirmation of acceptance
Overview
Filing your Federal Business Tax Return correctly is critical to keeping your business compliant, avoiding penalties, and optimizing your tax position.
At Tax Genius LLC, we specialize in federal tax preparation and e-filing for corporations, partnerships, and LLCs across all industries and states. Whether you operate as a C-Corporation (Form 1120), S-Corporation (Form 1120-S), or Partnership/LLC (Form 1065), our experts ensure accurate filings and maximum tax efficiency — fully compliant with IRS rules.
What's Included
Form 1120 — C-Corporation Tax Filing
Full preparation and e-filing for standard corporations, including tax computation, deductions, and credits.
Form 1120-S — S-Corporation Tax Filing
Preparation of S-Corp returns and Schedule K-1 for shareholders. We ensure correct income allocations and pass-through compliance.
Form 1065 — Partnership & Multi-Member LLC Filing
Preparation of partnership returns with K-1s for each partner, ensuring alignment with state and personal filings.
Entity Classification & Tax Optimization
Guidance on choosing or maintaining the most tax-efficient business structure (C-Corp, S-Corp, or LLC).
IRS E-Filing & Confirmation
Electronic filing through IRS-approved systems with official confirmation of acceptance.
Multi-Year & Amended Returns
We handle prior-year catch-up filings and IRS corrections for missed or amended returns.
Who This Service Is For
C-Corporations
C-Corporations (Form 1120)
S-Corporations
S-Corporations (Form 1120-S)
Partnerships & LLCs
Partnerships and Multi-Member LLCs (Form 1065)
Converting Entities
Sole proprietors converting to LLC or S-Corp
Startups
Startups seeking federal tax setup and first-year filing
Established Companies
Established companies needing professional preparation and IRS compliance
Our 4-Step Process
Consultation & Entity Review
We evaluate your entity structure and tax situation to ensure correct IRS treatment.
Gather Financial Documents
Upload your financial statements, receipts, and prior-year returns through our secure client portal.
Prepare & Review
We prepare your IRS return (Form 1120, 1120-S, or 1065) and review all credits, deductions, and depreciation schedules.
E-File & Confirm
We e-file your return with the IRS and provide proof of submission and acceptance.
Required Documents
Why Choose Tax Genius LLC?
IRS-Certified Preparers
Experienced in multi-entity and multi-state compliance.
Tax Optimization
We identify deductions, depreciation, and credits that minimize tax liability.
Secure Digital Filing
Encrypted portal for uploads and IRS-compliant e-signatures.
Accurate & On-Time Filing
Guaranteed accuracy and punctual submissions before deadlines.
Business Growth Focus
Our tax strategies align with your future financial goals.
Pricing Packages
Basic Business Return (1120/1065)
Single-entity business with simple income
$299
Standard Corporation/S-Corp
With payroll, depreciation, or multi-shareholder K-1s
$499
Comprehensive Filing
Multi-state or complex corporate structures
$799
💬 Add-ons: State filing, bookkeeping cleanup, and prior-year amendments available.
Frequently Asked Questions
Get Started Today
Ready to file your federal business taxes with confidence? Our experts will handle your corporate, partnership, or LLC filing accurately and efficiently.