The Clean Start Checklist
Run It Like the Rich

The Clean Start

Every setup step for a new company in one place: forming it, banking it, keeping it legal, and filing it so a buyer could follow it someday. Check things off as you go. Your progress stays in this browser.

Florida edition · Updated Sept 2026
AAdmin & Operations BBooks CCompliance

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Where are you now?

Brand new or already running, most owners are dealing with a few of these at once. Check what's true today and your first moves show up on the right.

    Your first moves

    Check an issue on the left to see where to start.

    Where are your files today?

    Give your accountant access in QuickBooks

    An accountant user doesn't count against your QuickBooks user limit and can be removed any time.

    1. Sign in to QuickBooks Online as the primary admin.
    2. Click the gear icon, then Manage users.
    3. Open the Accounting firms tab and click Invite.
    4. Enter the accountant's name and this email, then click Send:
      laurapoincot@gmail.com

    Send your snapshot to Laura

    This builds a short summary from your answers above. Copy it into an email to laurapoincot@gmail.com, or keep it for your own notes.

    08

    The Florida compliance calendar

    For a calendar-year company. Put these on a shared calendar the day you form, with reminders two weeks out. When a date lands on a weekend or holiday, it moves to the next business day.

    WhenWhat's dueWho
    Every monthSales tax return and payment (monthly filers). Due the 1st, late after the 20th. Reconcile every bank and card account. Payroll tax deposits on your deposit schedule.FL DOR · IRS
    Jan 15Q4 estimated income tax payment (owners)IRS
    Jan 31W-2s and 1099-NECs to workers and filed. Form 940 and Q4 Form 941. Q4 Florida reemployment tax (RT-6).IRS · SSA · FL DOR
    Mar 15Partnership (1065) and S corp (1120-S) returns, or file an extension. K-1s to owners.IRS
    Apr 1Tangible personal property return (DR-405) if you own business equipment or furnitureCounty property appraiser
    Apr 15Individual (1040) and C corp (1120) returns or extensions. Q1 estimated tax. Florida corporate income tax (F-1120) for C corps.IRS · FL DOR
    Apr 30Q1 Form 941 and RT-6IRS · FL DOR
    May 1Sunbiz annual report. $138.75 for an LLC. The $400 late fee starts the next day and can't be waived.Sunbiz
    Jun 15Q2 estimated taxIRS
    Jul 31Q2 Form 941 and RT-6IRS · FL DOR
    Sep 15Q3 estimated tax. Extended 1065 and 1120-S returns.IRS
    Sep 30Local business tax receipts expire; renew for the year starting Oct 1. Florida minimum wage changes each Sept 30.County · City
    Oct 15Extended 1040 and 1120 returnsIRS
    Oct 31Q3 Form 941 and RT-6IRS · FL DOR
    Nov – DecYear-end tax planning with your CPA. Collect missing W-9s. Review insurance renewals. Sign owner consents or annual minutes.You · CPA