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How to Start a Small Business — Complete Guide

Everything you need to go from “I have an idea” to “I have a real business.” This guide walks you through every step, from picking your idea to landing your first customers, with zero fluff.

By PrestoKit Team|Last updated: March 2026|15 min read

Choosing a Business Idea

The best business ideas sit at the intersection of three things: what you are good at, what people will pay for, and what you can sustain long-term without burning out. You do not need a revolutionary concept. Some of the most successful small businesses solve simple, everyday problems better than anyone else.

Start With What You Know

Make a list of your skills, experiences, and interests. If you have been doing graphic design for five years, starting a design agency is a natural fit. If you are obsessed with fitness, a personal training or coaching business makes sense. Domain expertise gives you a head start over someone entering cold.

Validate Before You Build

Before you spend money on logos, LLCs, and websites, validate that people will actually pay for what you want to offer. The simplest way to validate is to find 3-5 people who match your target customer and ask if they would pay for your service or product. Better yet, try to sell it before building it. Pre-sales and waitlists are powerful validation.

Consider the Economics

A great idea is worthless if the math does not work. Ask yourself: What will you charge? What will it cost to deliver? How many customers do you need to cover your living expenses? A quick back-of-napkin calculation can save you from pursuing an idea that was never going to be profitable.

Writing a Simple Business Plan

Forget the 50-page business plan template from a college textbook. Unless you are pitching to investors or applying for a bank loan, you need a lean plan that fits on one page and answers five questions.

1. What are you selling?

Be specific. Not “marketing services” but “social media management for local restaurants, including content creation, scheduling, and monthly analytics reports.” The more specific your offering, the easier it is to sell.

2. Who is your customer?

Define your ideal customer in one paragraph. Their industry, size, pain points, budget range, and where they hang out online. Trying to sell to “everyone” is the fastest way to sell to no one.

3. How will you reach them?

Your marketing channels. Will you cold email? Run Instagram ads? Attend local networking events? Post on LinkedIn? Pick 1-2 channels to start and focus on those until they work before expanding.

4. What does it cost?

List your startup costs (one-time) and your monthly operating costs. Include software, tools, marketing spend, insurance, and your own salary. Know your break-even number.

5. How will you make money?

Your pricing model and revenue projections. Will you charge hourly, per project, or on a monthly retainer? How many clients do you need at what price point to hit your income goal? Be conservative in your estimates.

That is your business plan. Write it down, revisit it monthly, and adjust as you learn from real customers. A living one-pager beats a dusty 50-page document every time.

Choosing a Business Structure

Your business structure affects your taxes, liability, and paperwork requirements. Here are the most common options for small businesses.

Sole Proprietorship

The simplest structure. You and your business are the same legal entity. No registration required beyond local business licenses. You report business income on your personal tax return.

  • Pros: Free to set up, minimal paperwork, simple taxes.
  • Cons: No liability protection. If your business is sued, your personal assets are at risk.

LLC (Limited Liability Company)

The most popular choice for small businesses. An LLC separates your personal assets from your business liabilities while keeping taxes simple (pass-through taxation by default).

  • Pros: Liability protection, tax flexibility, professional credibility.
  • Cons: Registration fee ($50-$500 depending on state), annual filing requirements in most states.

S Corporation

An S Corp is a tax election, not a business structure. You form an LLC (or corporation) and then elect S Corp tax status with the IRS. This can reduce self-employment taxes once you are earning significant income (generally $80,000+ per year).

  • Pros: Potential tax savings on self-employment tax at higher incomes.
  • Cons: More complex accounting, must pay yourself a “reasonable salary,” payroll requirements.

Our recommendation: If you are just starting out, form an LLC. It gives you liability protection without the complexity of a corporation. You can always elect S Corp status later when your income justifies the extra accounting overhead.

Registering Your Business

Once you have picked your structure, it is time to make it official. The exact process varies by state, but the general steps are the same.

Choose Your Business Name

Your business name needs to be unique in your state. Search your state’s business name database to confirm availability. Also check that the matching domain name is available, and search the USPTO trademark database to avoid conflicts. Your name should be easy to spell, easy to pronounce, and give some indication of what you do.

Register With Your State

For an LLC, you will file Articles of Organization with your state’s Secretary of State office. Most states allow online filing. Fees range from $50 (Kentucky) to $500 (Massachusetts). Processing time varies from same-day to several weeks.

Get Required Licenses and Permits

Depending on your industry and location, you may need local business licenses, professional licenses, health permits, or zoning permits. Check your city and county government websites for requirements. Do not skip this step. Operating without required licenses can result in fines.

Register for State Taxes

If your state has sales tax and you are selling taxable goods or services, register for a sales tax permit. If you plan to hire employees, register for state employer taxes. Your state’s Department of Revenue website will have the details.

Need a business name? We can help.

PrestoKit’s free Business Name Generator creates AI-powered name ideas with instant domain availability checks.

Generate Business Names

Getting an EIN (Employer Identification Number)

An EIN is essentially a Social Security number for your business. The IRS issues them for free, and the application takes about five minutes online.

Who Needs an EIN?

You need an EIN if you plan to hire employees, operate as an LLC or corporation, or open a business bank account (most banks require it). Even if you are a sole proprietor who technically does not need one, getting an EIN keeps your Social Security number off business documents and tax forms you share with clients.

How to Apply

Go to the IRS website (irs.gov) and search for “EIN application.” The online application is available Monday through Friday, 7 AM to 10 PM Eastern Time. You will answer a series of questions about your business structure, purpose, and expected number of employees. Your EIN is issued immediately upon completion.

Important: The IRS EIN application is completely free. Do not pay a third-party service to get one for you. Any website charging you for an EIN is simply filing the free form on your behalf and adding a markup.

Opening a Business Bank Account

Separating your business and personal finances is not optional. It is essential for legal protection, clean accounting, and your own sanity at tax time. Even if you are the only person in your business, get a dedicated business account.

What You Need to Open an Account

  • Your EIN (or SSN if sole proprietor)
  • Articles of Organization or business registration documents
  • Personal identification (driver’s license or passport)
  • An initial deposit (varies by bank, often $25-$100)

Choosing a Bank

Look for no or low monthly fees, free ACH transfers, good mobile banking, and integration with your accounting software. Online banks like Mercury, Relay, and Novo are popular with small businesses for their low fees and modern interfaces. Traditional banks like Chase and Bank of America offer more in-person services if that matters to you.

Setting Up Accounting

Accounting is not glamorous, but it is the backbone of a healthy business. The good news: modern tools make it almost painless.

Track Everything From Day One

The biggest mistake new business owners make is letting receipts and income pile up and trying to sort it all out at tax time. Instead, set up a system on day one. Record every expense and every dollar of income. It takes five minutes a week if you do it consistently; it takes five days in April if you do not.

Choose Your Accounting Method

Cash basis records income when you receive payment and expenses when you pay them. It is simpler and what most small businesses use. Accrual basis records income when earned and expenses when incurred, regardless of when cash changes hands. If your revenue is under $25 million per year, the IRS generally allows you to use cash basis.

Software Options

For freelancers and very small businesses, Wave (free) or QuickBooks Self-Employed ($15/month) are solid choices. For growing businesses, QuickBooks Online ($30/month) or Xero ($15-$78/month) offer more features. At minimum, you need something that tracks income, expenses, and generates basic reports.

Set Aside Money for Taxes

As a business owner, no one withholds taxes from your income. A common rule of thumb is to set aside 25-30% of your net income for federal and state taxes. Put this money in a separate savings account so you are never caught off guard by a quarterly tax payment.

Building a Website

In 2026, not having a website is like not having a phone number. It does not need to be fancy, but it needs to exist. Your website is often the first impression potential customers have of your business.

What Your Website Needs

At minimum, your website should clearly explain what you do, who you serve, and how to contact or hire you. For most small businesses, a one-page site with these elements is enough to start: a headline that explains your value proposition, a brief description of your services, social proof (testimonials, logos, or results), and a clear call-to-action (contact form, booking link, or phone number).

Platform Options

Carrd ($19/year) is the fastest way to get a clean one-page site live. Squarespace ($16-$49/month) offers beautiful templates and is great for portfolios and service businesses. Shopify ($39/month) is the standard for e-commerce. WordPress (free software + $5-30/month hosting) is the most flexible but has a steeper learning curve.

Get Your Domain

Buy a .com domain that matches your business name. Namecheap, Google Domains, and Cloudflare Registrar offer domains for $10-15 per year. Avoid hyphens and numbers. If your exact name is taken, try adding “studio,” “co,” or “hq” to the end.

Marketing Basics

You do not need a marketing degree or a big budget. You need a few channels that work and the discipline to show up consistently.

Start With Your Network

Tell everyone you know that you have started a business. Friends, family, former coworkers, LinkedIn connections. Your first clients almost always come from your existing network or one degree of separation from it. Do not be shy about this. People want to support people they know.

Pick One or Two Channels

Resist the urge to be everywhere at once. If your customers are on Instagram, focus on Instagram. If they search Google for solutions, invest in SEO and content. If they attend industry events, show up at those events. Master one channel before expanding to the next.

Create Content That Helps

The most effective marketing for small businesses is content that genuinely helps your target audience. Write blog posts that answer their questions, share tips on social media, or create short videos showing your process. This builds trust and positions you as an expert.

Ask for Referrals

After delivering great work, ask your clients if they know anyone else who could benefit from your services. A direct referral is the highest-converting lead source for almost every small business. Make it easy by being specific: “Do you know any other restaurant owners who might need help with their social media?”

Essential Tools for Small Businesses

You do not need expensive software to run a professional business. Here are the essential categories and our recommendations for each.

Invoicing: PrestoKit Invoice Generator (free) for creating and sending professional PDF invoices.
Estimates and proposals: PrestoKit Estimate Builder (free) for creating client-ready quotes.
Accounting: Wave (free) or QuickBooks Online (paid) for tracking income and expenses.
Business name and branding: PrestoKit Business Name Generator (free) for AI-powered name ideas.
Email: Google Workspace ($7/month) for professional email with your domain.
Project management: Notion (free) or Trello (free) for keeping tasks organized.
Communication: Slack (free) for team messaging, or just email and phone if you are solo.
Payments: Stripe or Square for accepting credit card payments online or in person.

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