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.
- What Changes Legally When You Switch To A Partnership?
Step‑By‑Step: How To Move From Sole Trader To Partnership
- 1) Agree the business model and roles
- 2) Choose a name and secure the basics
- 3) Apply for the partnership ABN (and GST if required)
- 4) Draft and sign your Partnership Agreement
- 5) Open a partnership bank account
- 6) Transfer or re‑issue contracts, permits and assets
- 7) Update your legal documents and online presence
- 8) Plan for disputes and exits (before they happen)
- What Legal Documents Do Partnerships Need?
- Partnership vs Company: Which Should You Choose?
- Key Takeaways
Growing from a one‑person operation to a business run with a co‑founder can be an exciting step. If you’ve been operating as a sole trader and want to bring in a partner, moving to a partnership can spread workload, add skills, and increase capacity.
There are a few legal and practical changes you’ll need to make to switch your structure correctly in Australia. The good news: with a clear plan and the right documents, the transition can be smooth and set you up for long‑term success.
In this guide, we’ll walk through whether a partnership is the right next step, what changes legally when you switch, how to complete the transition, and the key compliance and contracts you should have in place.
Is A Partnership The Right Next Step For Your Business?
Before you switch, it’s worth stepping back to confirm a partnership is the right structure for your goals. A partnership is a business carried on by 2 or more people (or entities) together with a view to profit.
Benefits of moving from sole trader to partnership
- Shared responsibility: day‑to‑day decisions and workload can be spread across partners.
- Complementary skills: partnerships often work best when partners bring different strengths (e.g. operations and sales).
- Simplicity and cost: setting up a partnership is generally simpler and cheaper than a company.
Risks and trade‑offs to understand
- Personal liability: partners are “jointly and severally” liable for partnership debts. This means each partner can be responsible for all the debts of the partnership.
- Tax treatment: a partnership files a partnership tax return and distributes net income to partners, who are then taxed personally on their share.
- Disputes and exits: without a clear partnership agreement, disagreements over profit sharing, decision‑making, or exits can stall the business.
If limited liability and raising investment are priorities, consider whether moving to a company structure might be more suitable for your next stage. If you do head down that path, you’d be looking at tasks like company set up and a governance framework to match. For many small businesses, however, a well‑documented partnership is a practical and flexible stepping stone from sole trader to “two (or more) in a team”.
What Changes Legally When You Switch To A Partnership?
Changing your structure is more than a name update. A few important legal points to note:
- New entity for registrations: a partnership is a distinct arrangement that needs its own Australian Business Number (ABN). You won’t continue trading under your sole trader ABN.
- Tax filings change: you’ll lodge a partnership tax return and issue distribution statements to partners. Partners then include their share of income in their personal tax returns.
- Contracts and licences: your existing sole trader agreements, permits, and supplier accounts typically won’t automatically carry over. Many will need to be transferred or re‑issued in the name of the partnership.
- Banking and invoicing: open a dedicated partnership bank account and invoice in the partnership’s name with the correct ABN.
- Liability profile: unlike a company, a partnership does not create a separate legal entity for liability purposes. Partners remain personally on the hook for partnership debts and obligations.
This is why the cornerstone document of your new structure is a clear, tailored Partnership Agreement. It sets expectations and reduces friction as you grow together.
Step‑By‑Step: How To Move From Sole Trader To Partnership
Here’s a practical roadmap to make the switch confidently and in the right order.
1) Agree the business model and roles
Start with a candid discussion about the partnership’s purpose, roles, time commitments, capital contributions, and profit share. Put numbers around contributions and how profits (and losses) will be split.
Capture your decisions in principle so your lawyer can translate them into your Partnership Agreement terms.
2) Choose a name and secure the basics
- Decide whether you’ll trade under your personal names (e.g. “Smith & Jones”) or a business name.
- Register or transfer any trading name appropriately to the partnership. If you’re adopting a new trading name, register a business name for the partnership.
- Consider protecting your brand early by applying to register your trade mark (name and/or logo).
3) Apply for the partnership ABN (and GST if required)
Apply for a new ABN for the partnership. If your turnover is, or is expected to be, $75,000 or more per year, register the partnership for GST as well. Update your invoices and accounting software to reflect the new ABN.
As part of your planning, it’s wise to revisit the pros and cons of having an ABN and make sure the partnership’s registration footprint fits your operations and growth plans. For context, many early‑stage businesses weigh the advantages and disadvantages of having an ABN before finalising their structure and registrations.
4) Draft and sign your Partnership Agreement
Work with a lawyer to tailor your Partnership Agreement. Key areas usually include:
- Profit share methodology and drawings
- Decision‑making and voting thresholds
- Capital contributions and expense approvals
- IP ownership and use of pre‑existing IP (from your sole trader business)
- Partner duties, restraints, and confidentiality
- Dispute resolution and mediation process
- Admitting new partners and exit/retirement mechanics
- Valuation method and buy‑out triggers on exit or death
Signing the agreement before you start trading together helps avoid misunderstandings later.
5) Open a partnership bank account
Set up a dedicated partnership bank account and ensure all revenue flows into this account. Pay shared expenses from it too. This keeps your records clean and supports accurate profit distribution.
6) Transfer or re‑issue contracts, permits and assets
Make a checklist of everything that currently sits in your sole trader name and move what’s needed across to the partnership. This can include:
- Supplier agreements and wholesale accounts (many will require a new credit application)
- Customer contracts and standing orders (issue new terms in the partnership’s name)
- Leases, equipment hire and subscriptions
- Licences and permits (check state and local rules for transfer or re‑application)
- Domain names, website hosting and social accounts (update ownership and legal info)
- Insurance policies (speak with your broker about re‑issuing in the partnership’s name)
If you have employees, onboard them to the partnership as their new employer. Issue a fresh Employment Contract in the partnership’s name and ensure payroll and super details are correct.
7) Update your legal documents and online presence
Refresh your customer‑facing terms, website and privacy paperwork to reflect the new legal entity. Common updates include:
- Re‑issuing your Customer Contract or Terms of Trade
- Updating your Website Terms and Conditions
- Publishing an accurate Privacy Policy that names the partnership and explains data handling
It’s common to refresh your brand or messaging at this point too. If you do, remember to keep your legal details consistent across your website, invoices, email signature and marketing materials.
8) Plan for disputes and exits (before they happen)
Even well‑aligned partners benefit from clear exit mechanics. Alongside your core agreement, consider putting a Partnership Dissolution Agreement framework on your roadmap so there’s a ready‑made process if the partnership ends or a partner leaves. It’s much easier to agree on “what ifs” early, while everyone is on the same page.
Tip: At several points in this process-especially contract transfers and agreement drafting-it’s helpful to get tailored legal advice so everything lines up with your commercial goals and timelines.
What Legal Documents Do Partnerships Need?
The right documents help you run smoothly day‑to‑day and manage risks. While every partnership is different, these are the core documents most Australian partnerships should consider:
- Partnership Agreement: sets the rules for profit sharing, roles, decision‑making, dispute resolution, and exits. This is the backbone of your structure.
- Customer Contract or Terms of Trade: standard terms you issue to customers so it’s clear what you’ll deliver, how you’ll be paid, and how risk is managed. For many businesses, Terms of Trade cover these essentials.
- Website Terms and Conditions: govern how people use your site, disclaim liabilities and protect your content. Update these to your partnership name using Website Terms and Conditions tailored to your services.
- Privacy Policy: required if you collect personal information, and expected by customers in any case. Ensure your Privacy Policy accurately explains your data practices.
- Employment Contracts and Policies: if you hire staff, issue a compliant Employment Contract and adopt clear workplace policies.
- Supplier Agreements: formalise pricing, delivery, quality and risk with key suppliers. This reduces surprises and supports cash flow.
- IP and Licensing Documents: where pre‑existing content, software, designs or brand assets are used, clarify ownership and licences between the partners and the partnership. Consider registering trade marks early using Register Your Trade Mark.
Not every business needs every document on day one, but most partnerships should have at least a Partnership Agreement, customer terms, and privacy/website documents in place before trading.
Compliance Essentials For Partnerships In Australia
Your legal obligations don’t end after set‑up. Keep these areas in mind as your partnership grows.
Australian Consumer Law (ACL)
If you sell goods or services, you must comply with the ACL-covering fair advertising, consumer guarantees, refunds, and more. Your customer terms should align with the ACL and not include unfair contract terms.
Privacy and marketing
Collecting names, emails, phone numbers or payment details? Make sure your Privacy Policy matches what you actually do, secure personal information appropriately, and honour unsubscribe requests for marketing.
Employment and workplace
If you have staff, comply with Fair Work obligations like correct pay, leave entitlements and safe workplaces. Use a compliant Employment Contract and maintain clear policies. Contractors should have appropriate agreements as well.
Tax and reporting
Lodge the partnership tax return, manage BAS/GST if registered, and keep accurate records for distributions to partners. If you’re transferring assets from your sole trader to the partnership, speak with your tax adviser about potential CGT, stamp duty or small business rollovers before you move anything.
Licences and local permits
Many industries require ongoing licences from state bodies or councils. Diarise renewal dates and ensure the licence holder reflects the partnership. A change in ownership can require fresh approval in some sectors.
Insurance
Review your cover after the change. Public liability, product liability, professional indemnity and cyber insurance may need to be re‑issued or adjusted to the partnership’s risk profile.
Partnership vs Company: Which Should You Choose?
It’s common to weigh a partnership against forming a company. As a quick comparison:
- Partnership is usually simpler and cheaper to establish, but partners remain personally liable for debts. Tax flows through to partners’ personal returns. It’s flexible and suits many small businesses with aligned partners.
- Company creates a separate legal entity with limited liability and can be better for raising investment, issuing shares and managing founder exits. It involves more compliance and governance. If you’re leaning that way, plan for Company Set Up and future founder alignment documents (like a Shareholders Agreement) from day one.
There’s no one “right” answer-choose the structure that best matches your risk tolerance, growth plans and how you prefer to govern the business.
Key Takeaways
- Switching from sole trader to partnership is a structural change: you’ll need a new ABN, updated contracts, and clear rules between partners.
- The core risk trade‑off is liability-partners are personally liable for partnership debts, so a robust Partnership Agreement is essential.
- Work through a practical checklist: agree roles and profit share, secure your name and ABN, open a partnership bank account, transfer key contracts and licences, and update your legal documents.
- Your customer terms, Website Terms and Conditions and Privacy Policy should be re‑issued in the partnership’s name.
- Ongoing compliance covers ACL, privacy, employment, tax and industry licences-put simple processes in place now to avoid headaches later.
- Consider whether a company structure might better suit your growth plans; otherwise, a well‑run partnership can be a strong foundation for the next stage.
If you’d like a consultation on switching from sole trader to a partnership, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no‑obligations chat.







