Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
Writing a small business plan can feel like one of those “important but overwhelming” tasks - especially when you’re juggling product decisions, customer enquiries, and the never-ending admin that comes with starting up.
But a business plan isn’t just a document you write once and forget. Done well, it becomes your roadmap for decisions, funding conversations, and growth. It can also help you spot risks early (including legal ones), so you’re not scrambling later when you’re already busy serving customers.
Below, we’ll walk you through a practical way to write a small business plan for an Australian startup or SME - with clear steps, what to include (and what to keep simple), plus the legal points many founders accidentally leave out.
What Is a Small Business Plan (And Why It Matters in Australia)?
A small business plan is a written summary of how your business will work - what you’ll sell, who you’ll sell to, how you’ll deliver it, how you’ll make money, and what you’ll do to manage risks.
In Australia, a business plan is especially useful because it helps you align your commercial decisions with practical requirements, like:
- choosing the right business structure (sole trader vs company, etc.)
- registering your business details (ABN, business name, GST - speak to an accountant or the ATO if you’re unsure what applies to you)
- setting pricing and refunds in line with Australian Consumer Law (ACL)
- building a workable hiring plan that fits your Fair Work obligations
- protecting your brand and valuable assets
Even if nobody ever “asks” to see your business plan, you’ll use it more often than you expect. It’s a tool for clarity - and it’s often the difference between reacting to problems and planning for them.
And if you’re speaking to investors, lenders, grant providers, or potential business partners, a clear business plan builds confidence that you’ve done your homework.
Do You Need a Long, Formal Document?
Not necessarily. Many startups do best with a plan that’s short, practical, and updated regularly. If you’re early-stage, a 6–12 page plan can be enough.
What matters is that it’s clear, realistic, and tailored to how your business actually works - not what a generic template thinks your business should look like.
Step-By-Step: How to Write a Small Business Plan That’s Actually Useful
If you’ve ever stared at a blank document thinking “where do I even start?”, this is the simplest approach: write your plan in sections, and treat it like a set of decisions you’re documenting (not an essay you’re trying to perfect).
1. Start With a One-Page Summary (Executive Summary)
This is the “high-level” snapshot of your business. Even if you write it last, include it at the top.
A strong executive summary usually covers:
- What you do: your product/service in one sentence
- Who you help: your target customer
- What makes you different: your point of difference
- How you make money: your core revenue model
- Where you are today: idea stage, launched, growing, etc.
- What you need next: funding, staff, premises, suppliers, systems
If you’re seeking funding, this section often decides whether someone reads the rest.
2. Describe Your Business Model (Offer + Delivery)
Next, explain how your business works in real life. Be specific.
- What exactly are you selling (products, services, subscriptions, retainers)?
- How do customers buy from you (online, in-store, invoices, marketplace)?
- How do you deliver (shipping, digital delivery, appointments, on-site work)?
- What needs to happen operationally for you to fulfil an order?
This is also where it’s worth noting what business structure you’re considering, because structure impacts risk, tax, and growth planning (for tax points, it’s best to get advice from an accountant). If you’re planning to set up a company, include that in your plan and budget for the setup process (including ongoing ASIC obligations) - many founders build this into their “foundation” phase alongside Company Set Up.
3. Define Your Market and Ideal Customer
You don’t need a “big” market analysis - but you do need enough detail to show you understand who’s buying and why.
Include:
- Target customer: demographics, location, needs, buying triggers
- Customer problem: what pain point you solve
- Buying behaviour: how they choose providers/products like yours
- Market size (rough): is this niche, local, national, global?
If your business relies on repeat customers, this is also where you can outline retention drivers - for example, subscriptions, service packages, loyalty offers, or community building.
4. Map Your Marketing and Sales Plan
Many small business plans fail in the marketing section because they’re vague (e.g. “we’ll use social media”). Instead, write what you’re actually going to do in the next 90 days.
- Channels: SEO, Google Ads, social, partnerships, referrals, email marketing
- Budget: what you’ll spend (and what you expect back)
- Sales process: enquiry → quote → close → onboarding
- Conversion: how you’ll improve it (reviews, landing pages, follow-ups)
From a legal perspective, the marketing section is a good place to remind yourself to keep ads accurate and transparent, especially around pricing, “before and after” claims, and guarantees. Your business plan should assume compliance with the ACL from day one, because if your marketing creates the wrong expectations, it can turn into complaints and refund disputes later.
5. Plan Your Operations (People, Tools, Suppliers)
This section turns your idea into a workable weekly system.
Cover:
- Key activities: what you do daily/weekly to deliver your product/service
- Tools and systems: website platform, booking system, accounting, CRM
- Suppliers/contractors: who you rely on to deliver
- Milestones: launch date, first hire, first premises, product expansion
If you’re planning to hire (even “just one person”), it’s smart to reflect that in the plan properly - when you’ll hire, what the role is, and how you’ll manage onboarding and performance. That planning pairs naturally with putting the right Employment Contract in place, so expectations are clear from the start.
What Your Small Business Plan Should Include (Section Checklist)
If you want a straightforward checklist you can follow, these are the core sections most Australian startups and SMEs include in a small business plan:
- Executive summary
- Business overview (mission, story, current stage)
- Products/services (what you sell, pricing, delivery)
- Market and customers
- Competitor analysis
- Marketing and sales plan
- Operations plan (people, suppliers, systems)
- Business structure and registration plan
- Financial plan (forecasts + assumptions)
- Risk and compliance plan (including legal risks)
If you’re registering a business name or launching a new brand, your plan should also include when you’ll lock in the name and register it. Many businesses do this around the same time as Business Name registration so they can start trading consistently across invoices, websites, and marketing.
Keep Your Assumptions Visible
One of the most practical things you can do is clearly state the assumptions behind your numbers and decisions - for example:
- “We assume a 2% website conversion rate.”
- “We assume a $90 average order value.”
- “We assume supplier lead time of 14 days.”
- “We assume two founders working part-time for the first 6 months.”
If assumptions change (and they will), you can update the plan without rewriting everything.
Financials in a Small Business Plan: What to Include Without Overcomplicating It
Financial sections can be intimidating, but you don’t need to be a finance professional to write a useful plan. You just need to show that the business is commercially viable - or, if it’s early, that you understand what needs to be true for it to become viable. (For tax treatment and GST questions, it’s a good idea to speak with a qualified accountant or the ATO.)
Key Numbers to Include
- Startup costs: equipment, initial stock, website, branding, legal setup, insurance
- Ongoing costs: rent, software, wages, marketing, shipping, contractors
- Pricing and margins: what you charge and what it costs to deliver
- Revenue forecast: month-by-month for 12 months (or at least quarterly)
- Cash flow view: when money comes in vs when bills are due
Don’t Ignore “Boring” Costs
In real life, small costs add up - payment processing fees, returns, software subscriptions, packaging, postage, contractor overruns, and (often overlooked) legal documents.
For example, if you plan to sell online, it’s worth factoring in foundational website documents early (instead of scrambling once you’ve already launched). In many cases, that means having Website Terms and Conditions that fit your business and help set customer expectations and reduce disputes.
Stress-Test Your Plan
Try writing a “best case”, “expected case”, and “worst case” scenario, even if it’s simple. This helps you plan what you’ll do if sales are slower than expected - which is common in the first 3–6 months.
Legal and Compliance Points to Build Into Your Small Business Plan Early
Many founders treat legal tasks as something to deal with “later”. The problem is that “later” usually arrives right when you’re busiest - after you’ve launched, when customers are buying, and when mistakes become expensive.
Instead, build legal steps directly into your business plan timeline.
1. Choose a Business Structure That Matches Your Risk and Growth Plans
Your structure affects liability (legal responsibility), tax outcomes, funding options, and how you bring in partners. Common options include:
- Sole trader: simple and low-cost, but you’re personally liable for debts and claims.
- Partnership: can be flexible, but disputes can get messy without clear agreements.
- Company: a separate legal entity that can provide limited liability and clearer ownership rules, but has more admin and compliance.
If you’re planning to raise capital, bring on co-founders, or scale, it’s usually worth thinking about a company structure earlier. And if you’re running a company, internal governance documents (such as a constitution) can help clarify decision-making and control - for example, a Company Constitution.
2. Plan Your Customer Experience Around Australian Consumer Law
If you sell goods or services in Australia, Australian Consumer Law (ACL) is relevant - whether you’re a startup, a side hustle, or an established SME.
Your plan should include how you’ll manage:
- refunds, returns, and remedies
- delivery timeframes and what happens if there are delays
- warranties and service quality promises
- complaints handling and response timeframes
This isn’t just legal compliance - it’s also brand trust. Clear customer processes can help reduce refunds, chargebacks, and negative reviews.
3. Protect Your Brand and Key Business Assets
Your brand can become one of your most valuable business assets - but only if you protect it properly.
As you write your plan, consider:
- your business name and trading identity
- logos, taglines, and packaging
- domain names and social media handles
- unique content, designs, and software (if relevant)
If you’re collaborating with contractors (designers, developers, marketers), your plan should note how you’ll ensure you actually own what you pay for - ownership of IP is often a contract issue, not just a payment issue.
4. Build Privacy and Data Handling Into Your Growth Plan
If you collect personal information - names, emails, phone numbers, delivery addresses, payment details, even analytics identifiers - it’s worth thinking early about what privacy obligations apply to you and what “good practice” looks like as you grow.
Depending on your business (including your turnover and what information you handle), that may include having a clear Privacy Policy (particularly if you operate online), and setting internal rules around who can access customer data and how it’s stored.
5. Plan for Hiring (Even If It’s “Not Yet”)
A lot of businesses start with contractors, then hire casually, then quickly realise they need a more stable team. Your plan should include:
- what roles you’ll hire first (and why)
- what your onboarding process looks like
- how you’ll handle rosters, leave, and performance expectations
It’s much easier to build good people systems early than to fix them after issues arise.
What Legal Documents Support Your Small Business Plan in Practice?
A business plan sets your intentions. Legal documents help make those intentions enforceable and reduce misunderstandings.
Not every business needs every document on day one, but most startups and SMEs benefit from thinking about the following early (and building them into the “setup” stage of the plan):
- Customer terms / service agreement: sets expectations about scope, payment, delivery, and liability (especially useful for service-based businesses).
- Website terms: can help set rules for how people use your website and reduce disputes as you grow - often covered in Website Terms and Conditions.
- Privacy policy: explains what personal information you collect and how you use it, particularly relevant for online businesses using Privacy Policy wording that matches your practices.
- Employment agreements: clarify role expectations, pay, confidentiality, and termination processes - your hiring plan should align with an Employment Contract.
- Contractor agreements: particularly important for IP ownership and confidentiality when you use freelancers or agencies.
- Shareholders agreement: if you have (or plan to have) co-founders/investors, a Shareholders Agreement can set decision-making rules, ownership, and exit paths.
It’s also worth noting that the right documents can help your business look more “investment-ready”. If an investor (or even a strategic partner) sees you’ve documented ownership, confidentiality, and decision-making clearly, that can reduce friction in negotiations.
A Quick Tip: Match Documents to Your Plan’s Risks
If your plan highlights a risk (e.g. supplier delays, customer disputes, co-founder decision deadlocks), you should also note the legal or contractual tool you’ll use to manage it.
That’s how your business plan becomes more than strategy - it becomes a practical risk management system.
Key Takeaways
- A small business plan is most useful when it’s practical - a roadmap for what you’ll do, how you’ll make money, and what you’ll prioritise next.
- You don’t need a huge document, but you do need clear sections: your offer, target customers, marketing plan, operations plan, and a basic financial forecast.
- Building legal considerations into your plan early (structure, ACL, privacy, hiring, brand protection) can help prevent expensive problems later.
- Your plan should include a timeline for business setup tasks like registering your business name, choosing a structure, and preparing key documents.
- Legal documents (customer terms, privacy policy, employment and contractor agreements, shareholders agreement) help turn your plan into enforceable expectations.
If you’d like help setting up your business the right way and aligning your legal documents with your business plan, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.
