Business tax returns
Corporate tax filing, on time and accurate.
We prepare federal and state returns for corporations and partnerships — and keep your deadlines, extensions and K-1s organized.
Prefer to talk? Call +1 (302) 202-2139
Service
Corporate Tax Filing
What's included
- Form 1120 (C corporation)
- Form 1120-S (S corporation) and K-1s
- Form 1065 (partnership) and K-1s
- Extensions (Form 7004)
- State business returns
Sound familiar?
Business returns come with tight deadlines
- S corporation and partnership returns are due earlier than personal returns
- Books that aren't ready by tax time
- Owners waiting on K-1s to file their own returns
- Multi-state filing obligations
The service
What we prepare
For calendar-year businesses, partnership (1065) and S corporation (1120-S) returns are generally due March 15, and C corporation (1120) returns April 15. Form 7004 can extend the filing deadline.
We work from your books — or help get them in order first — to prepare accurate business returns and owner K-1s.
- Form 1120 (C corporation)
- Form 1120-S (S corporation) and K-1s
- Form 1065 (partnership) and K-1s
- Extensions (Form 7004)
- State business returns
- Business tax planning
Who needs it
- C corporations and S corporations
- Multi-member LLCs and partnerships
- Foreign-owned U.S. entities
- Businesses behind on prior-year filings
Documents to have ready
- Profit & loss statement and balance sheet
- Bank and credit card statements
- Payroll reports and 1099s issued
- Asset purchases and depreciation schedules
- Prior-year business return
Don't have everything? Start anyway — we'll tell you exactly what's missing.
Process
How it works
What to expect with our Corporate Tax Filing service.
- 01
Tell us about your situation
Share a few details online or by phone so we understand what you need.
- 02
Upload your documents
Send your documents through our secure upload — from your phone or computer.
- 03
Professional review
We review your financial statements, prepare the return and K-1s, and walk you through the results.
- 04
File & track
We file federal and state returns and share copies and next-year planning notes.
The details
Forms, deadlines and common mistakes
What the Corporate Tax Filing process involves, so you know what to expect before you start.
Forms involved
- Form 1120
- C corporation income tax return
- Form 1120-S
- S corporation return, with Schedules K-1 for shareholders
- Form 1065
- Partnership return, with Schedules K-1 for partners
- Form 7004
- Automatic extension of time to file business returns
Key deadlines
- March 15
- Form 1120-S and Form 1065 (calendar-year businesses)
- April 15
- Form 1120 for calendar-year C corporations
- 6 months
- Extension with Form 7004 (to file, not to pay)
A due date on a weekend or legal holiday moves to the next business day. See all tax deadlines.
Common mistakes we fix
- Sending K-1s late, which delays owners' personal returns
- Not making estimated payments when the corporation expects to owe $500 or more
- Books that don't reconcile to bank statements at year-end
Pricing
Fees depend on how complex your situation is — for example the number of forms, states, accounts or years involved. You get a quote before any work begins, and there is no charge for the first conversation.
Official sources
General information, not advice for your situation. Read our disclaimer.
Prepared by professionals. Explained clearly.
- Registered Electronic Return Originator (ERO) with the IRS
- Returns prepared by CPAs, CAs, EAs and PTIN-holding tax professionals
- Practice guided by IRS Circular 230
22,291+
Customers served
4.9/5
Customer rating
10+
Years of experience
.
Corporate Tax Filing FAQs
Still have questions? Talk to our team
Get started
Tell us what you need
Share a few details and our team will contact you to discuss the right next step.
Ready to Get Your Taxes Sorted?
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