Guide

How to Write a Business Plan: 10 Steps for Success

Learn how to write a business plan in 10 clear steps to secure funding and drive growth.

A business plan written up in a notebook

Written by Lena Hanna—Trusted CPA Guidance on Accounting and Tax. Read Lena's full bio

Published Thursday 19 March 2026

Table of contents

Key takeaways

  • Choose the right business plan format for your specific needs: use a comprehensive 15-25 page traditional plan when applying for loans or pitching to investors, or start with a lean one-to-two page plan for quick idea testing and internal planning sessions.
  • Define your target market with specific, measurable criteria including demographics, location, and behaviors rather than vague descriptions, as precise customer definition strengthens your entire business plan and shows investors you understand your audience.
  • Build realistic financial projections based on market data and actual business information rather than overly optimistic estimates, covering startup costs, operating expenses, revenue forecasts, and break-even analysis to demonstrate credibility to potential funders.
  • Update your business plan regularly as a living document, reviewing it at least once a year and adjusting financial projections quarterly when actively seeking funding or tracking growth against targets.

What is a business plan?

A business plan is a written document that outlines your business strategy, goals, and path to profitability. It describes how your business operates, who your customers are, and how you'll make money.

It's different from a business proposal, which is a pitch to sell a product or service to a prospective customer.

Why do you need a business plan?

A written business plan helps you move from idea to action. Even if you know your market and have the skills, putting your plan on paper brings clarity and credibility.

Here's why it matters:

  • Clarify your thinking: Writing forces you to structure your ideas and spot gaps you might miss otherwise
  • Identify problems early: Putting your concept on paper reveals holes in your strategy before they become costly mistakes
  • Get better feedback: A written plan lets trusted advisors give you specific, actionable input
  • Prove you're serious: Banks, investors, and accountants expect a formal document before they'll work with you, as fundraising often has specific rules where additional requirements apply, especially when including non-accredited investors.
  • Stay focused as you grow: A clear plan keeps you on track when day-to-day demands compete for your attention

Choose your business plan format

Before you start writing, decide which format fits your needs. The right choice depends on your audience and how you'll use the plan.

Traditional business plan

A traditional plan is a comprehensive document, typically 15–25 pages. Use this format when:

Lean startup plan

A lean plan is a one- to two-page summary of your key assumptions. Use this format when:

You can always start with a lean plan and expand it into a traditional format when you need more detail. Many successful businesses begin with a simple one-pager and add sections as they grow.

How to write your business plan: 10 essential steps

Writing a business plan doesn't have to be overwhelming. These 10 steps break the process into manageable sections, so you can work through each part systematically.

1. Write your executive summary

The executive summary is a brief overview of your entire business plan. It describes your company, what you sell, and why your business will succeed.

Keep it short and memorable. Aim for one to two pages that capture your mission, your market opportunity, and your competitive advantage. Think of it as your elevator pitch in written form.

You can read more about how to create the executive summary in the guide What is an Executive Summary in a Business Plan?

2. Describe your company

Start by detailing what your business does. Include your mission statement, legal structure, and a brief history if you're already operating. This section sets the stage, giving readers a clear picture of who you are and what you stand for.

3. Analyze your target market

Market analysis shows investors you understand who will buy from you and why. This section proves there's real demand for your product or service.

Your market analysis should cover:

  • Target customers: Define who buys from you using demographics, location, or industry
  • Market size: Estimate the total number of potential customers and the revenue opportunity
  • Market trends: Identify growth patterns, emerging needs, or shifts in customer behavior
  • Customer pain points: Explain the specific problems your business solves

Use specific criteria to define your ideal customer:

  • Demographics: Age, gender, income level, and education
  • Firmographics: Company size, revenue, industry, and business model (for business-to-business or B2B)
  • Location: Geographic area, whether local, regional, national, or international
  • Profession: Specific roles or industries you're targeting
  • Behaviors: Shared interests, buying habits, or pain points

The more precisely you define your audience, the stronger your business plan becomes.

Include your growth opportunities in your market analysis. Show investors how your business can scale beyond its starting point.

Consider these questions:

  • Expansion channels: Can you add new sales channels like retail, wholesale, or e-commerce?
  • New markets: Are there adjacent customer segments or geographic areas you could enter?
  • Product extensions: Could you add complementary products or services over time?
  • Revenue growth: What's your realistic path from current revenue to your three-year target?

4. Analyze your competition

Competitive analysis shows how your business stands out in the market. Investors expect you to know who you're up against and why customers will choose you instead.

Identify your competitors:

  • Direct competitors: Businesses selling the same products or services to the same customers
  • Indirect competitors: Businesses solving the same problem with different solutions
  • Barriers to entry: Factors that make it hard for new competitors to enter your market

Define your competitive advantage:

  • Unique selling proposition (USP): The specific reason customers choose you over alternatives
  • Differentiation factors: Whether you compete on price, quality, service, convenience, or expertise

Specific claims convince investors.

5. Describe your products or services

Your products or services section explains exactly what you sell and why customers need it. This is where you show the value you deliver.

Cover these key points:

  • What you offer: Describe your products or services in clear, specific terms
  • Customer problem: Explain the pain point or need your offering addresses
  • Your solution: Show how your product solves the problem better than alternatives
  • Pricing model: Outline how you charge, whether per unit, subscription, hourly, or project-based
  • Product lifecycle: Note whether you're launching, growing, or maintaining existing offerings

Focus on benefits, not just features. Investors want to understand why customers will pay for what you're selling.

6. Outline your marketing and sales strategy

Your marketing and sales strategy explains how you'll attract customers and generate revenue. This section shows investors you have a clear plan to reach your target market.

Address the five Ps of marketing:

  • Pricing: Set prices that cover costs, match customer expectations, and support your positioning
  • Positioning: Define where your product fits in the market relative to competitors
  • Promotion: Choose channels to reach customers, such as social media, advertising, or content marketing
  • Profit margins: Calculate how much you'll earn on each sale after costs
  • Place: Identify your sales channels, whether online, retail, wholesale, or direct sales

7. Plan your operations

Your operations plan describes how your business runs day to day. This section shows investors you've thought through the practical details of delivering your product or service.

Cover these operational areas:

  • Production: How you'll make or source your products
  • Fulfillment: How orders get processed, packaged, and delivered
  • Technology: Systems and software you'll use to run the business
  • Facilities: Physical space requirements for offices, warehouses, or retail
  • Key processes: Daily workflows for sales, customer service, and administration

8. Build your financial projections

Financial projections show investors how your business will make money and when it will become profitable. This section turns your strategy into numbers.

Include these key financial elements:

  • Startup costs: One-time expenses to launch, including equipment, inventory, and legal fees
  • Operating expenses: Ongoing costs like rent, utilities, payroll, and marketing
  • Revenue forecast: Projected sales for the next one to three years
  • Cash flow projection: When money comes in and goes out each month
  • Break-even analysis: The point where revenue covers all your costs

Anyone can create these projections with the right tools. Accounting software like Xero can help you build accurate forecasts based on your actual business data.

9. Define your organization and management

Your organization and management section shows who runs the business and how it's structured. Investors want to know the team has the skills and experience to execute the plan.

Include these details:

  • Business structure: Your legal entity type, such as LLC, corporation, or sole proprietorship
  • Management team: Key leaders, their roles, and relevant experience
  • Organizational chart: How responsibilities are divided as the business grows
  • Advisors: Mentors, board members, or consultants who provide guidance
  • Hiring plans: Roles you'll need to fill and when you'll hire

If you're a solo founder, focus on your own qualifications and explain how you'll fill skill gaps through advisors, contractors, or future hires.

10. Keep it simple and focused

Keep your business plan concise. Most effective plans are 15–25 pages for external audiences or as few as one to two pages for internal use.

Focus on clarity over length:

  • Edit ruthlessly: If a section doesn't add value, cut it
  • Use plain language: Avoid jargon that might confuse readers
  • Prioritize key sections: Spend more time on your executive summary, market analysis, and financials
  • Start with a template: A structured format helps you stay focused (you can use the free business plan template)

Investors review dozens of plans. A clear, focused document stands out more than a lengthy one.

Common business plan mistakes to avoid

First-time business plan writers often make the same errors. Avoid these pitfalls to create a stronger plan.

  • Making it too long: Investors prefer concise documents over 50-page plans. Focus on the essentials and keep it concise.
  • Ignoring the competition: Showing you understand your competitive landscape demonstrates thorough research.
  • Using unrealistic financial projections: Overly optimistic numbers damage your credibility. Base projections on market data and an understanding of relevant funding regulations; for example, some offerings allow companies to raise up to $10 million in a 12-month period.
  • Writing it once and forgetting it: A business plan should evolve as your business grows. Review and update it regularly.
  • Copying a template without customizing: Customized plans stand out. Tailor every section to your specific business and market.

The best business plans are honest about challenges and specific about solutions. Investors respect founders who understand their risks.

Xero helps you turn your business plan into action

A business plan is a living document. It's a tool you'll return to as your business grows, your market shifts, and your goals evolve.

Review your plan at least once a year. Update your financial projections as you gather real data. Adjust your strategy based on what's working and what isn't.

The financial sections of your plan become much easier when you have accurate, up-to-date numbers. Xero accounting software gives you real-time visibility into cash flow, expenses, and profitability, so your projections stay grounded in reality.

Ready to turn your business plan into action? Get one month free and see how Xero helps you manage your business finances with confidence.

FAQs on writing a business plan

Here are answers to common concerns small business owners face.

What are the three C's of a business plan?

The three C's are Concept (your business idea), Customers (who you're selling to), and Capital (the money you need). This framework helps you focus on the essentials before diving into details.

How long should my business plan be?

Most business plans are 15–25 pages for investors or lenders. For internal use, a one- to two-page lean plan may be enough. Focus on clarity over length.

Can I use AI like ChatGPT to write my business plan?

AI can help you draft sections and organize your thoughts, and your knowledge of your specific business, market, and customers makes the plan uniquely yours. Use AI as a starting point, then customize with accurate details and real financial data.

Do I need an accountant or financial advisor to write a business plan?

It depends on your situation. Many small business owners write their own plans using templates and accounting software. However, an accountant can help you create realistic financial projections and spot errors before you present to investors.

How often should I update my business plan?

Review your plan at least once a year or whenever your business undergoes major changes. Update your financial projections quarterly if you're actively seeking funding or tracking growth against targets.

Download the business plan template

Fill out the form for a downloadable business plan template. Your business plan doc is available as an editable pdf to use again and again.

Disclaimer

Xero does not provide accounting, tax, business or legal advice. This guide has been provided for information purposes only. You should consult your own professional advisors for advice directly relating to your business or before taking action in relation to any of the content provided.

Get one month free

Sign up to any Xero plan, and we will give you the first month free.