How to Start a Business: A Tactical Guide for Founders

A step-by-step guide for founders on validating an idea, finding co-founders, getting first customers, and setting up your legal and financial foundation.

This guide is a tactical framework for early-stage founders. First, validate the problem with 50+ customer interviews before building. Then, structure your founding team with clear equity and vesting, pick one go-to-market channel to dominate, set up your legal entity correctly, and build a realistic budget to meet your capital needs.

Key takeaways

Stop thinking about starting a business. This is your playbook for actually doing it. Forget passion projects; this is about solving a real, painful problem for a specific market and building a machine to serve it. Your first 100 days are not about a perfect business plan—they are about de-risking your assumptions and finding a signal in the noise.

Phase 1: De-Risk the Opportunity

Your idea is just a set of assumptions. Before you spend a dollar on incorporation or a line of code, your only job is to prove those assumptions wrong as quickly as possible. This isn't research; it's active validation.

The Problem is Everything

You must be obsessed with the problem, not your solution. A great solution to a weak problem goes nowhere. A mediocre solution to a desperate problem can still win.

Quantify the Pain: "People lose their keys" is a weak problem. "Commuters in NYC waste 10 minutes every morning searching for keys, causing 20% of them to miss their train twice a month" is a strong problem. Attach numbers—time, money, frustration—to the pain point. · Find the Owner: Who feels this pain most acutely? Define your Ideal Customer Profile (ICP). Not "millennials," but "30-35 year old project managers at Series B tech companies with 10-15 direct reports." Be hyper-specific.

Common Founder Mistake: Confusing "annoying" with "urgent." An urgent problem is one customers are actively trying to solve and are willing to pay to fix now . If they aren’t using a messy spreadsheet, a patchwork of other tools, or a manual process to solve it today, the problem isn’t urgent enough.

Run 50+ Problem Interviews

Your goal is to talk to 50-100 people in your target market. Do not pitch them. Your only goal is to learn. Find them on LinkedIn, in niche communities, or through warm intros.

"Tell me about the last time you dealt with [problem area]." · "What was the hardest part about that?" · "What have you tried to do to solve this? Any tools or workarounds?" · "What did you like or dislike about those solutions?" · "If you could wave a magic wand and fix one thing about this, what would it be?"

Do NOT ask: "Would you buy my product if it did X?" The answer is always a polite yes and is always a lie. Instead, ask "Have you ever paid to solve a problem like this?" to gauge real intent.

Phase 2: Structure the Founding Team

Co-founder disputes are a leading cause of startup death. Address the hard topics before you start.

Co-founder DNA and Equity

The ideal team has complementary skills—often a "hacker" (product/engineering), a "hustler" (sales/GTM), and a "visionary" (product strategy/fundraising). While a 50/50 equity split is common for two founders starting at the same time, have an honest conversation. Consider factors like:

Who developed the initial concept and IP? · Is one founder investing significant personal capital? · Will one founder take a much lower salary for longer?

This is non-negotiable: All co-founder stock must be subject to a 4-year vesting schedule with a 1-year cliff. This means if a founder leaves within the first year, they get nothing. If they leave after two years, they keep 50% of their shares. This protects the company from dead equity on the cap table if someone walks away.

The Co-founder Prenup: Before formalizing anything, write down the answers to these questions: How do we make decisions if we disagree? What are our personal financial runway and salary expectations? What are our roles and who is the final decision maker for each area (product, sales, etc.)? What happens if one of us wants to leave?

Phase 3: Get Your First "Yes" (Early GTM)

You don't need a finished product to start selling. In fact, you shouldn't wait for one. Your goal is to get your first form of validation: a signed contract, a pre-payment, or a binding letter of intent.

Pick One Channel and Dominate It

Don’t try to be everywhere at once. Pick a single, scalable channel for your first 5-10 customers.

B2B Cold Outreach: If you know your ICP, this is the most direct path. Craft a simple, hyper-personalized email. · Niche Communities: Be an authentic contributor in the Slack, Discord, or Reddit communities where your ICP lives. Solve their problems for free first, then introduce your solution. · Founder-Led Content: If your expertise is the moat, write authoritatively on LinkedIn or a blog about the problem you solve.

Noticed on your LinkedIn profile that you manage a team of [number] account executives at [Company Name]. My co-founder and I have spent the last three months talking to sales leaders, and a common pain point is the 5+ hours reps spend weekly on non-revenue generating admin tasks.

We're building a tool to automate that workflow and are looking for feedback from a few deeply knowledgeable leaders like you.

Would you be open to a 15-minute call next week to share your perspective? We have no product to sell you.

Sell the Vision with a "Concierge MVP"

Instead of building your full product, deliver the promised value manually for your first few customers. This is called a concierge MVP. If you're building an AI-powered reporting tool, manually create the reports in a spreadsheet for your first 3 pilot customers. This forces you to learn the exact workflow, identify edge cases, and prove the value of the outcome before you invest in engineering.

You can charge for these pilots. A paid pilot (even at a 50-80% discount) is infinitely more validating than a free one.

Phase 4: Build the Machine (Legal, Finance, & Ops)

This is the plumbing. Get it right once so you can focus on what matters.

Legal and Corporate Structure

Incorporate as a Delaware C-Corp: If you ever plan to raise venture capital, this is the only choice. It's the standard investors expect. Use a service like Stripe Atlas or Clerky for a fixed fee, or hire a startup-focused law firm (expect to pay $3,000-$7,000 for a package). · Get an EIN: This is your company's federal tax ID. It’s free from the IRS and you need it to open a bank account. · Open a Business Bank Account: Never mix personal and business funds. Use a startup-friendly bank like Mercury or Brex, or a traditional bank with a dedicated business arm. You need your incorporation docs and EIN. · Protect Basic IP: Secure your domain name and social media handles immediately. File for a trademark on your name and logo if they are core to your brand identity (around $500 per class). Create founder stock purchase agreements and IP assignment agreements for all founders.

The Money Plan: Your Budget and Fundraising Strategy

You need a simple, realistic budget. This informs how much you need to raise (if anything).

Salaries: 2 founders x $90,000/year = $270,000 · Software & Tools: $1,000/month x 18 = $18,000 · Legal & Admin: $7,000 (one-time) + $200/month = $10,600 · Initial Marketing/GTM: $5,000 (buffer) · Total 18-Month Burn: ~$300,000 · Funding Target (with buffer): Raise $400k - $500k.

This budget will determine your path: Can you bootstrap? Do you need to raise a friends & family round ($50k-$250k) on a SAFE? Or are you going straight for a pre-seed round ($500k-$1.5M)?

Non-obvious insight: A pitch deck isn't just for investors; it's your master narrative. It forces you to crisply answer: What is the problem? What is our unique insight? Why now? Why us? Your deck should be 10-15 slides that tell a compelling story, heavy on market data and team credibility. Use it to align your team and guide every strategic conversation.

How to Apply This This Week

Schedule 5 Problem Interviews: Find 10 people on LinkedIn who fit your ICP. Send them a personalized version of the email script above. Your goal is 5 conversations. · Draft Your Co-founder "Prenup": Sit down with your co-founder and answer the tough questions about roles, ownership, and decision-making. Write it down. · Outline Your Concierge MVP: Detail the exact manual steps you would take to deliver your product's value to a single customer. What tools would you use? How long would it take? · Build Your 18-Month Budget: Create a simple spreadsheet with salaries, tools, and administrative costs. This will give you your first real fundraising target. · Get Quotes for Incorporation: Compare pricing from Stripe Atlas, Clerky, and a startup-focused law firm. Understand the timeline and what's included in their packages.

Frequently asked questions

How much does it cost to start a tech company?
Initial legal and setup costs are typically $2,000-$7,000. An MVP can range from under $10,000 (no-code) to over $150,000, and your first year's operating runway will likely require $250,000 to $1.5M in funding.
How do you split equity with a co-founder?
While 50/50 is common, consider each founder's role, initial cash investment, and who originated the idea. Critically, always use a 4-year vesting schedule with a 1-year cliff to protect the company if someone leaves.
What is a Delaware C-Corp and why do I need one?
It's the standard legal structure for U.S. startups that plan to raise venture capital. It provides liability protection and is preferred by investors for its standardized governance and stock structure.
How much money should I raise in a pre-seed round?
Raise what you need for 12-18 months of runway to hit your next major milestone (e.g., MVP launch, first $10k in monthly recurring revenue). For a small team, this typically falls in the $500,000 to $1.5M range.

Related fundraising guides (24)

The decks these companies actually used (1)

Recently published pitch deck teardowns (12)

Real pitch decks, broken down slide by slide (12)

Browse by topic (1)

Fundraising library · Pitch deck examples · Investor directory · Founder database