Business tax preparation in Miami.
Federal business returns prepared carefully and explained clearly, by an Enrolled Agent who can prepare your personal return too. In English or Spanish.

Which return does your business file?
It depends on how your business is set up. Choose yours to see the federal return, the standard due dates and what owners receive.
- Due
- April 15
- With an extension
- October 15 (Form 4868)
- For the owners
- Business profit is reported on your personal return. Net earnings of $400 or more generally also mean self-employment tax (Schedule SE).
A single-member LLC is reported on the owner’s return by default, unless it elects to be taxed as a corporation.
Your federal tax year at a glance
- Jan 15Last estimated payment for the prior yearJan 311099-NEC, if you paid contractors
- Apr 15Form 1040 with Schedule CApr 151st estimated payment
- Jun 152nd estimated payment
- Sep 153rd estimated payment
- Oct 15Extended Form 1040
- Due
- March 15
- With an extension
- September 15 (Form 7004)
- For the owners
- Each partner receives a Schedule K-1 to report their share on their personal return.
An LLC with two or more members is treated as a partnership by default, unless it elects otherwise.
Your federal tax year at a glance
- Jan 311099-NEC, if you paid contractors
- Mar 15Form 1065 and partner K-1s
- Sep 15Extended Form 1065
- Due
- March 15
- With an extension
- September 15 (Form 7004)
- For the owners
- Each shareholder receives a Schedule K-1 to report their share on their personal return.
S corporation status is an election a corporation or eligible LLC makes with the IRS (Form 2553).
Your federal tax year at a glance
- Jan 311099-NEC, if you paid contractors
- Mar 15Form 1120-S and shareholder K-1s
- Sep 15Extended Form 1120-S
- Due
- April 15
- With an extension
- October 15 (Form 7004)
- For the owners
- The corporation pays its own income tax. Dividends paid to owners are reported separately.
An extension gives more time to file, not more time to pay.
Your federal tax year at a glance
- Jan 311099-NEC, if you paid contractors
- Apr 15Form 1120Apr 151st estimated payment
- Jun 152nd estimated payment
- Sep 153rd estimated payment
- Oct 15Extended Form 1120
- Dec 154th estimated payment
Standard dates for calendar-year businesses. When a date falls on a weekend or legal holiday, it moves to the next business day. Fiscal-year businesses use different dates. We confirm the filings that apply to you at your appointment. Source: IRS Publication 509, Tax Calendars.
One team for your books, your business return and your own.
Your business return and your personal return are connected. We prepare both, so the numbers line up.
- Your federal business return
- Schedule C, Form 1065, 1120-S or 1120, based on how your business is set up.
- Owner reporting
- Schedule K-1s for partners and shareholders, prepared with the return.
- Your personal return, coordinated
- Business income flows to your Form 1040. We prepare it too.
- Dates and extensions
- We explain the due dates that apply and request an extension when one is needed.
- Review before filing
- We walk you through the return before you sign the IRS e-file authorization.

Tax season starts with clean books.
Avivas keeps the books for more than 60 businesses. If your books need attention before your return, ask about our bookkeeping service.
Four steps, start to finish.
No guesswork. Here’s what happens, in order.
- Step 1
Tell us how your business is set up
Entity type, owners and tax year. We confirm which returns and dates apply.
- Step 2
Share your books and records
Year-end financial statements, or the records behind them. Current books make this step faster.
- Step 3
Review your return
We prepare the return, explain the results and answer your questions.
- Step 4
Sign and e-file
You sign the IRS e-file authorization, and we submit the return.
What to bring to your appointment
Bring the records you have. We’ll let you know if anything else is needed.
- Last year’s business tax return.
- Year-end profit and loss statement and balance sheet, or bank and credit card statements for the year.
- Forms 1099 your business received, including 1099-NEC and 1099-K.
- Payroll reports, if you have employees.
- Records of equipment, vehicle or property purchases and sales.
- Loan statements and any estimated tax payments made.
- Details of ownership changes during the year.
- New clients: formation documents and the IRS letter assigning your EIN.
Bring documents to your appointment, or use the client portal if you already have an invitation. Please don’t send tax documents, Social Security numbers or bank details by email or through the general website contact form.
An Enrolled Agent on your side, at tax time and after.
Founder Yulie Nibot is an Enrolled Agent, licensed by the IRS. If the IRS has questions about a return later, an Enrolled Agent can represent you before the IRS with your authorization.
We explain your return and your next steps in English or Spanish.
- Federally licensed
- Enrolled Agents are licensed by the IRS.
- Business and personal returns
- Prepared by the same team, so the numbers line up.
- With your authorization
- Representation before the IRS if questions come up later.
Source: IRS, Understanding tax return preparer credentials and qualifications.
Good questions. Clear answers.
Tap a question to see the answer. Short, plain and in your language.
7 questions
Which return does my business file?
It depends on how the business is set up. Sole proprietors and single-member LLCs usually report on Schedule C with their personal return. Partnerships and most multi-member LLCs file Form 1065, S corporations file Form 1120-S and C corporations file Form 1120. We confirm which apply to you.
When are business returns due?
For calendar-year businesses, partnership and S corporation returns are generally due March 15, and C corporation returns and Schedule C (with Form 1040) are due April 15. When a date falls on a weekend or legal holiday, it moves to the next business day. Fiscal-year businesses have different dates.
Can I get more time to file?
Yes. Businesses can request an automatic six-month extension with Form 7004, and individuals with Form 4868. An extension gives more time to file, not more time to pay any tax owed.
Do I need to make estimated tax payments?
It depends on what you expect to owe. Sole proprietors, partners and S corporation shareholders may need to make estimated payments on their own, generally April 15, June 15, September 15 and January 15. C corporations generally pay by the 15th day of the 4th, 6th, 9th and 12th months of their tax year. We’ll explain what applies to you.
Can you prepare my personal return too?
Yes. We also prepare individual tax returns, so your business and personal returns line up.
Do I need bookkeeping too?
Not always, but current books make tax time faster and more accurate. We offer bookkeeping as well.
How do I send my documents?
Bring them to your appointment, or use Intuit Link if you already have a portal invitation. If you’re new to Avivas, call us for the next steps. Please don’t send tax documents by email.
General information, not tax advice for your situation. IRS Publication 509, Tax Calendars.
Let’s get your business return started.
Call to book your appointment, in English or Spanish.