Setting Up a Small Business Online

To set up a small business online in the US you complete five moves in order: pick and register a legal structure (most often an LLC through your Secretary of State), get a free EIN from the IRS, open a dedicated business bank account, register for state sales tax and any local licenses, and stand up a website plus payment processing so you can accept money. Most of this can be done in a single afternoon online, and the hard costs are usually modest, state filing fees, a domain, and a processing account. The real capital need shows up later, once orders are landing and you have to buy inventory, cover ad spend, or bridge the gap between a sale and when the money actually clears your account. That is a cash-flow problem, not a formation problem, and it is where revenue-based financing tends to fit far better than a slow bank loan.

The core setup steps, in the order that actually works

Sequence matters. Doing these out of order, for example opening a bank account before your EIN clears, creates avoidable friction. Here is the path most US founders follow:

1. Choose your legal structure. A single-member LLC is the default for most online small businesses because it separates personal and business liability while staying simple to run. Sole proprietorships require no formation but offer no liability shield. Corporations make sense once you plan to raise equity or issue stock.
2. Register with your state. File Articles of Organization (LLC) or Incorporation (corp) through your Secretary of State's website. Filing fees vary widely by state, generally from around $50 to a few hundred dollars, and some states add an annual report or franchise fee.
3. Get your EIN. The IRS issues an Employer Identification Number for free at irs.gov, usually instantly online. You need it to open a bank account, hire, and file taxes. Never pay a third party for one.
4. Open a business bank account. Keep business and personal money fully separate from day one. This protects your liability shield and, just as important, produces the clean deposit history that lenders and revenue-based funders read to make approval decisions later.
5. Handle licenses and sales tax. Register for a state sales tax permit if you sell taxable goods, and check for local business licenses or home-occupation permits. Requirements are set by state and city, not federally.
6. Build the storefront. Secure a domain, launch a website or a hosted store (Shopify, Squarespace, WooCommerce), and connect a payment processor so you can accept cards and get paid.

What it really costs to launch, and where the money goes

Formation itself is cheap. The spend that stresses cash flow is everything that comes after you can technically operate: inventory, marketing, fulfillment, and the working-capital gap while receivables clear. Below are illustrative launch-cost ranges to plan around, not quotes.

The pattern to notice: the cheap parts are fixed and predictable, while the expensive parts, inventory and marketing, are variable and front-loaded ahead of revenue. That timing mismatch is the classic reason an otherwise healthy online business runs short on cash in its first busy season.

Funding the launch: why revenue matters more than credit

New online businesses rarely qualify for traditional bank loans or SBA financing in their first year, thin credit files, no multi-year tax returns, and no collateral all work against you. Revenue-based financing takes the opposite view. A revenue-based or MCA-style marketplace underwrites primarily on your bank deposits and revenue trend, not your personal credit score, so a business doing real sales can access working capital even with a FICO around 500 and only a few months of operating history.

Typical parameters in this lane: funding amounts commonly starting around $10,000, FICO 500 and up considered, and decisions in roughly 24 to 48 hours because approval leans on your deposit data rather than a lengthy document package. Repayment flexes with your cash flow, often a small fixed daily or weekly amount or a share of receivables, which suits the uneven revenue of a young online store. This is not free money and it is never guaranteed, but for a business that is already generating deposits, it is usually far faster and more accessible than a bank. For a fuller comparison of options, see our business funding guide and our revenue-based financing overview.

Decision framework: when online funding fits, and when to wait

Capital accelerates a working model; it does not fix a broken one. Use this to decide whether to pursue revenue-based financing for your online launch.

It works best when:

• You already have steady deposits, even modest ones, that show a revenue trend an underwriter can read.
• The capital funds something with a clear, near-term return, more inventory ahead of a proven selling season, or ad spend on a channel that is already converting.
• You need speed, decisions in a day or two, rather than the weeks a bank takes.
• Your credit is thin or bruised (FICO 500+) but your sales are real.

Avoid or wait when:

• You have not launched yet and have zero deposit history, there is no revenue to underwrite, so pre-revenue founders should bootstrap or seek startup grants first.
• The money would cover ongoing losses rather than fund growth, financing a business that isn't yet profitable per order usually deepens the hole.
• Your margins are too thin to comfortably absorb a repayment that flexes against daily cash flow.
• You are still testing whether the product sells at all, prove demand cheaply before you borrow against it.

Setting up to be fundable later

How you set up in month one shapes what capital you can access in month six. Underwriters in the revenue-based lane read your business bank statements, so treat your deposit history as an asset you are building.

• Route all revenue through one business account. Mixed personal and business deposits make your true revenue impossible to read and slow or sink approvals.
• Keep processing consistent. Steady card and platform deposits create the pattern that supports approval and larger offers over time.
• Avoid frequent overdrafts and negative balances. Non-sufficient-funds activity is one of the first red flags an underwriter looks for.
• Maintain clean records. Even simple bookkeeping from day one makes every future funding conversation faster.

The businesses that get approved fastest are not the ones with perfect credit, they are the ones whose bank statements tell a clean, obvious revenue story.

Common mistakes when setting up online

Most early problems trace back to a handful of avoidable errors:

• Paying for a free EIN. The IRS issues it at no cost; third-party charges are pure markup.
• Skipping the separate bank account. Commingling funds threatens your liability protection and cripples future funding applications.
• Ignoring state sales tax. Economic nexus rules mean you may owe sales tax in states where you have customers, not just where you are located, catch this early.
• Under-planning working capital. Founders budget for the website and forget the inventory and ad spend that come before revenue, then scramble mid-season.
• Confusing formation cost with launch cost. Registering the LLC is the cheapest part; the capital need is the gap between spending and getting paid.