The most popular advice for forming an LLC is to file Articles of Organization online, pay the fee, and figure out the rest later. That's backwards. Filing is the easy part. Filing in the wrong order creates the expensive rework, a rejected name, an EIN that doesn't match your Articles of Organization, a bank account you can't open, or a Delaware entity paying to stay compliant in two states.

This LLC formation checklist follows dependency, not convenience. Name verification comes before Articles. Your EIN comes before your bank account. Your bank account and tax classification come before sales tax registration and payroll. I recommend keeping one formation folder, digital or physical, for every filing receipt, confirmation letter, and signed agreement, because you'll need those documents together for banking, leasing, licensing, and financing.

The scale explains why sequencing matters for ownership, not just paperwork. The IRS partnership data for tax year 2022 reported approximately 3,270,102 domestic LLCs across all industries with approximately 14,097,383 partners, and LLCs constituted 72.7% of partnership returns in that year. Most founders aren't solo filers with no governance questions. They're partners who need contributions, voting rights, and tax treatment decided before money moves. It's the same principle behind learning how to get things right with a disciplined checklist.

Table of Contents

• 1. Verify Your LLC Name and Register Any Fictitious Name
  • Week One Name Checks
• 2. Choose the Right State of Formation Florida or Delaware
• 3. Appoint a Registered Agent With a Florida Street Address
  • Choosing Between an Individual and a Service
• 4. Draft a Written Operating Agreement
  • Clauses That Prevent the Common Fights
• 5. Obtain an Employer Identification Number From the IRS
  • Elections With Hard Deadlines
• 6. Register for Florida Sales Tax and Local Business Tax Receipts
• 7. Open a Dedicated Business Bank Account and Keep Finances Separate
  • Habits That Prove Separateness
• 8. Calendar Your Florida Annual Report and Ongoing Compliance Deadlines
  • Building the Compliance Calendar
• LLC Formation Checklist at a Glance
• Launch With Confidence Your Next Move

1. Verify Your LLC Name and Register Any Fictitious Name

Don't pay a filing fee before you know the state will accept your name. Search Sunbiz, the Florida Division of Corporations database, and confirm your desired name is distinguishable from existing entities and includes a designator such as LLC or Limited Liability Company. A name that's merely similar in your eyes can still be rejected, and a rejected filing costs you time at the exact moment you're trying to sign a lease or open accounts.

Say a South Florida skincare startup checks Sunbiz, finds its preferred name taken, and picks a distinct name before ordering signage. That's a cheap pivot. Compare that with printing packaging, building a website, and then discovering a conflict. A creative agency in the middle of founder negotiations can reserve a name for a limited period while details settle, which protects momentum without forcing a rushed filing.

Week One Name Checks

• Search Sunbiz first: Confirm distinguishability and the correct designator before you draft anything else.
• Search trademarks second: Check the USPTO trademark database, because state availability doesn't give you trademark rights.
• Lock the public identity: Check the matching domain name and social handles so customers find one consistent brand.
• Register every trade name: If you'll operate publicly under a different name, register that fictitious name with the Division of Corporations.

A holding company running several retail brands under one LLC, for example, registers each storefront name it uses on invoices and contracts. Skipping that step doesn't make the brand illegal to imagine, but it creates friction with banks and vendors who need the public name to match a state record. Fix the name layer first, and every later document can copy it exactly.

2. Choose the Right State of Formation Florida or Delaware

Form where you operate unless you have a specific financing reason not to. For most South Florida small businesses, that's Florida. Your employees, customers, office, and licenses are here, so a Florida LLC keeps you in one state system with one registered agent and one annual report cycle. Delaware doesn't make a local business more legitimate. It adds a second layer of cost.

Delaware earns its place in a narrower set of cases. If you're building a venture backed startup, expect outside investors who insist on Delaware, or want Delaware business law for a planned corporate structure, the trade-off can be worth it. Read the practical comparison of Delaware incorporation benefits for founders before you decide, and price the full first year, not just the initial filing fee.

Forming in Delaware while operating only in Miami usually buys you two compliance calendars and no operating advantage.

Foreign qualification is where founders misjudge this step. The SBA launch guidance says an LLC will probably need registration in every state where it conducts business activities, with information typically including location, ownership or management structure, and registered agent details. Employees, an office, inventory, or regular in-state services can trigger that duty.

Say a Miami restaurant group forms in Florida because everything happens locally. It files once and moves on. A Fort Lauderdale software startup preparing for venture capital forms in Delaware instead, then registers as a foreign LLC in Florida and budgets for both states. Both choices can be right. The mistake is choosing Delaware by default and discovering the Florida registration bill afterward. I recommend revisiting this decision before any outside capital round, because investor requirements can change the answer and conversions are cleaner when planned early.

3. Appoint a Registered Agent With a Florida Street Address

Your registered agent isn't a mailbox. This person or service receives lawsuits, service of process, and official state notices during business hours, and a missed delivery can become a default judgment before you even know you were sued. Appoint the agent before you file, because your Articles need that name and address.

Florida's rules are specific about where that agent sits. The Florida Division of Corporations annual report guidance states a registered agent must have a physical street address in Florida, and an entity cannot serve as its own registered agent, although an individual associated with the company may serve. A P.O. box won't work, and neither will an address where nobody is present to sign.

Choosing Between an Individual and a Service

An individual agent costs nothing and works if that person is reliably at the address. A Hialeah distribution company, for instance, might use its accountant's office because staff are there all day to receive state mail. The risk is turnover. If that person moves and you don't update Sunbiz, official papers go to a stale address.

A professional service costs more but gives you continuity and scanning. An e-commerce founder who travels constantly shouldn't list a home address that sits empty for weeks. A service receives, forwards, and timestamps documents, which is exactly what you need when response deadlines run from delivery.

• Confirm the street address: Verify it's physical, in Florida, and staffed during business hours.
• Build a forwarding rule: Decide who gets scanned copies the same day and who calls counsel.
• Update immediately: Change the state record the moment you switch providers.
• Log the appointment: Keep the agent name and appointment date in your formation folder.

4. Draft a Written Operating Agreement

Florida doesn't make you file an operating agreement with the state. Founders hear that and treat the document as optional. It isn't optional in practice. Without one, Florida default rules govern ownership, management, and exits, and those defaults rarely match what you promised each other over coffee.

The U.S. Small Business Administration business launch guidance recommends preparing an operating agreement even when state law does not require one, documenting financial and functional decision making, major decisions, and each member's duties, powers, and responsibilities. Use a solid business operating agreement template as a starting framework, then tailor it. A generic download that never mentions your actual capital contributions is decoration, not protection.

Clauses That Prevent the Common Fights

• Ownership and contributions: State percentages, what each member put in, and whether more capital can be called.
• Voting thresholds: Set who can approve borrowing, selling assets, admitting members, or signing major contracts.
• Exit and buyout rules: Address departure, disability, death, transfer restrictions, and how the departing interest gets valued.
• Deadlock procedure: Give two equal owners a way to resolve a tie besides litigation.

Say two Miami tech co-founders add vesting and a buy-sell clause at formation. When one leaves early, the agreement prices the exit instead of starting an argument. A family LLC holding rental properties needs a different emphasis, succession and transfer limits for heirs so a share doesn't land with an outsider. Sign the agreement at formation, even as a single member, because banks ask for it and it proves the company is separate from you. Review it whenever ownership, capital, or management changes.

5. Obtain an Employer Identification Number From the IRS

Get your EIN after the state accepts your Articles, and copy the legal name character for character. Banks compare the EIN confirmation letter against your formation documents, and a mismatch in punctuation or designator can stall account opening for days. Apply directly through the IRS. The number is issued at no cost, so don't pay a third party that mimics the official site.

Tax classification is a separate decision hiding inside this step. The IRS guidance on single member LLCs explains it generally treats a domestic single member LLC as a disregarded entity and a domestic LLC with at least two members as a partnership, unless the company elects corporate treatment. That default drives which return you file and how owners report income, so capture member count, payroll plans, and fundraising plans before you submit anything.

Elections With Hard Deadlines

If you want S-corporation treatment, timing controls eligibility. The IRS instructions for Form 2553 require filing no later than 2 months and 15 days after the beginning of the tax year the election should take effect, or at any time during the preceding tax year, and the entity must have an EIN. I recommend treating that election as tax planning with your accountant, including payroll and reasonable compensation, not as a formation day impulse.

Say a Coral Gables bakery owner gets an EIN right after formation and opens business checking the same week. Payroll, vendor forms, and sales tax registration all pull from that one number. A landscaping LLC does the same before hiring seasonal crews, so withholding is set up before the first paycheck. Save the EIN confirmation letter in your formation folder with any election forms. You'll produce it constantly in year one.

6. Register for Florida Sales Tax and Local Business Tax Receipts

State formation doesn't authorize you to sell. If you sell taxable goods or certain services, register with the Florida Department of Revenue to collect and remit sales tax before your first taxable sale. Founders who register after they've been selling for months don't just owe the tax. They owe it out of pocket because they never collected it from customers.

Local permission is a separate layer most online checklists bury. Counties and cities in South Florida, including Miami-Dade and Broward, typically require a local business tax receipt for a business location before you operate there. The requirement follows the physical location and activity, not the Sunbiz filing, so a second office can mean a second receipt.

Practical rule: Call the county and city where you'll physically operate before you sign the lease, not after you move in.

Say an online boutique in Fort Lauderdale registers to collect tax on taxable merchandise sold to Florida customers before launching its store. Its checkout is configured correctly from the first order. A consulting firm opening a Doral office takes the opposite path worth copying, it confirms local receipt and any industry license first, then accepts clients at that address.

• Test taxability early: Determine whether your specific products or services are taxable under Florida law.
• Ask locally: Confirm county and municipal receipt requirements for each location.
• Check industry licenses: State or county licenses may apply on top of general tax registration.
• Calendar renewals: Sales tax filings and local receipts recur on their own schedules.

Sequence matters here again. You need your formed entity and EIN to register cleanly, and you need these registrations before revenue starts. Slot this step into week one or two, not your first tax season.

7. Open a Dedicated Business Bank Account and Keep Finances Separate

Open the business bank account as soon as you have approved Articles, your EIN letter, and a signed operating agreement. Then run every dollar of revenue and expense through it. Commingling is the fastest way founders undermine the liability protection they just paid to create, because it lets a creditor argue the LLC is just you with a different name.

That argument has a name. Courts can disregard the entity's separate existence when owners ignore separateness, a doctrine explained in this overview of piercing the corporate veil and commingling risk. Paying a personal credit card from the business account once won't automatically destroy protection, but a pattern of undocumented transfers gives opposing counsel exactly the exhibit they want.

Habits That Prove Separateness

• Never cross pay: Don't pay personal bills from the business account or business bills from a personal account.
• Document owner money: Record contributions and distributions in writing with dates and amounts.
• Sign as the company: Contracts, invoices, and proposals should use the LLC name, not yours alone.
• Start bookkeeping now: Use accounting software from the first transaction, not at year end.

Say a Pembroke Pines consulting LLC pays all expenses from its business account and logs owner draws monthly. Tax preparation takes hours, not a forensic weekend. A family real estate LLC goes further and keeps separate accounts per property, which simplifies lender reporting and shows each asset's performance. I recommend a formation data room alongside the account, with Articles, the operating agreement, EIN letter, and banking resolutions together. When a lender or investor asks, you send one folder instead of searching email.

8. Calendar Your Florida Annual Report and Ongoing Compliance Deadlines

Formation ends. Maintenance doesn't. Florida requires every LLC to file an annual report to maintain active status, and the Florida Division of Corporations LLC filing instructions tie that duty to keeping state records current rather than filing financial statements. Think of it as an annual verification of your principal address, mailing address, managers, registered agent, and EIN on file.

The money makes procrastination expensive. The Florida Division of Corporations annual report filing instructions state annual reports are due each year between January 1 and May 1, the on-time fee is $138.75, and a report filed after May 1 incurs a $400 late fee. Ignore it long enough and the state can administratively dissolve the LLC, which complicates banking, contracts, and licensing until you reinstate.

Building the Compliance Calendar

• File in January or February: Beat the May rush and leave room to fix rejected information.
• Assign one owner: Name the person responsible for annual reports, agent renewals, and license renewals.
• Run a two person review: Compare Articles, operating agreement, EIN records, and the public Sunbiz record before submitting.
• Log every confirmation: Keep filing receipts in the same formation folder you started in week one.

Say a South Florida e-commerce LLC sets an early spring reminder and files weeks early every year. It never pays a late fee and never scrambles for a certificate of status during a financing. A family LLC uses the same filing to review manager information and update its public record after a succession change. One timing tip for late year founders, if you're forming near year end and won't transact business until January, ask whether specifying a January 1 effective date fits your plans. It can keep you out of an immediate annual report cycle you don't need.

LLC Formation Checklist at a Glance

Step	Where It's Filed	Typical Timing	Key Requirement	Renewal/Recurring Obligation
Verify Your LLC Name and Register Any Fictitious Name	Florida Division of Corporations (Sunbiz)	Before filing formation documents	Choose a distinguishable legal name with an LLC designator; register any fictitious name used	Renew fictitious-name registrations periodically; name reservations are temporary
Choose the Right State of Formation: Florida or Delaware	Florida Division of Corporations or Delaware Division of Corporations	Before formation	Choose based on where the business operates and its financing plans; foreign-register in Florida if required	Delaware LLCs owe annual tax; foreign registration may involve ongoing state fees
Appoint a Registered Agent With a Florida Street Address	Florida Division of Corporations, in the Articles of Organization	When filing formation documents	Designate an agent with a physical Florida street address who can receive legal papers	Maintain an eligible agent and update state records if the agent changes
Draft a Written Operating Agreement	Kept with the LLC's internal records; not filed with the state	At formation	Document ownership, management, voting, contributions, distributions, and other governance terms	Review and update when ownership or management changes
Obtain an Employer Identification Number (EIN) From the IRS	Internal Revenue Service (IRS)	After formation, before banking or hiring	Apply directly through the IRS; an EIN is required for certain tax and employment obligations	Maintain accurate tax and payroll records as applicable
Register for Florida Sales Tax and Local Business Tax Receipts	Florida Department of Revenue and applicable county or city government	Before taxable sales or opening a business location, as applicable	Register based on business activity, location, and taxability	Local receipts typically renew annually; sales tax filing obligations may recur
Open a Dedicated Business Bank Account and Keep Finances Separate	Bank or other financial institution	After receiving formation documents and EIN	Use the LLC's account for business funds and record contributions and owner draws	Keep accounts separate and maintain accurate bookkeeping
Calendar Your Florida Annual Report and Ongoing Compliance Deadlines	Florida Division of Corporations (Sunbiz)	Annually, January 1 through May 1	File the annual report and pay the associated fee by May 1	File every year to maintain good standing and avoid penalties or dissolution

Launch With Confidence Your Next Move

Work this LLC formation checklist in order and most formation risk sits behind you. The remaining risk lives in skipped decisions, the operating agreement nobody signed, the tax election nobody modeled, the foreign qualification nobody checked when the first out of state employee started. Those aren't filing errors. They're governance gaps, and they surface at the worst times, during a dispute, a financing, or an audit.

One current example shows why dated analysis matters more than static lists. The FinCEN beneficial ownership information reporting fact sheet reflects the March 26, 2025 interim final rule that narrowed reporting to certain foreign entities registered to do business in the United States, with U.S. formed LLCs and their beneficial owners exempt under that guidance. Qualifying foreign entities registered before March 26, 2025 faced an April 25, 2025 deadline, while those registered on or after that date generally had 30 calendar days after effective registration. For South Florida founders with international owners, the useful step isn't automatically filing a report. It's documenting, with a date, why your entity is domestic and exempt, who monitors rule changes, and ignoring paid solicitation letters that imply otherwise. Preserve that analysis in your formation folder.

Timing on the ground is faster than most founders expect when the sequence is right. We register most LLCs and corporations in 3 to 5 days through Sunbiz and the IRS, with operating agreements and EIN filings completed shortly after state approval and governance documents delivered soon after. Our formation work covers Articles of Organization, operating agreements, EIN registration, a Florida versus Delaware comparison, and guidance on structure for taxes, governance, and ownership. For founders who want it bundled, our startup legal package includes entity formation, EIN registration, an operating agreement, contract templates, and a compliance checklist at flat, predictable pricing, with English and Spanish support across the Miami and Fort Lauderdale area.

Don't try to finish all eight steps in one sitting. Block 30 minutes this week and complete steps 1 through 3, verify the name on Sunbiz, decide Florida or Delaware in writing, and line up a registered agent with a real street address. Those three decisions shape everything downstream, and they're the ones that are painful to reverse. Then get the operating agreement and tax classification reviewed before money moves between founders, because that's when informal understandings harden into disputes. If you'd rather have counsel run the sequence and build your compliance calendar from day one, request a formation consult and file once, correctly, instead of paying to fix a fast filing later.

---

Coto & Waddington, Attorneys at Law handles complete LLC, S-Corp, and C-Corp formation in Florida and Delaware, including Articles of Organization, operating agreements, EIN registration, and a compliance checklist so your annual deadlines are set from day one. If you're ready to work this checklist in the right order with flat, predictable pricing and bilingual support, visit Coto & Waddington, Attorneys at Law to request your formation consult this week.