Share Sales in Australia: Legal Steps for Buying or Selling a Company

A share sale can look simple on paper. The buyer purchases shares, the seller transfers them, and the company keeps trading. In practice, this is where business owners often get caught. Buyers sometimes assume they are only taking over the business assets, then discover they have also inherited old liabilities. Sellers often focus on the price and heads of agreement, but miss restraints, warranty exposure, or consent requirements hiding in the final documents. Another common mistake is treating due diligence as a box-ticking exercise instead of the main tool for finding legal risk before you sign.

If you are buying or selling a company in Australia, the legal steps matter just as much as the commercial deal. A share sale changes ownership of the company itself, not just the equipment, customers, or brand. That means contracts, debts, disputes, employee arrangements, shareholder rights, and company records all need close attention. This guide explains what a share sale means, the legal issues to check before you sign, where deals commonly go wrong, and the practical points founders and SMEs should sort out early.

Overview

A share sale transfers ownership of a company by transferring its shares from the seller to the buyer. The company usually continues as the same legal entity, which means its existing rights and liabilities generally stay with it after completion.

• Confirm exactly who owns the shares and whether any pre-emptive rights, drag-along rights, tag-along rights, or shareholder approval requirements apply.
• Check whether key contracts, leases, finance documents, licences, or regulatory arrangements need consent because control of the company is changing.
• Review the share sale agreement carefully, especially the purchase price mechanics, completion steps, warranties, indemnities, restraint clauses, and disclosure process.
• Carry out due diligence on the company’s contracts, employment arrangements, intellectual property, privacy compliance, disputes, and corporate records before you sign.
• Make sure ASIC records, share registers, board approvals, and signed transfer documents are dealt with properly at completion.

What Share Sale Means For Australian Businesses

A share sale means the buyer acquires ownership of the company itself, not just selected business assets. That single point changes the risk profile of the whole transaction.

In an asset sale, the buyer typically picks which assets and liabilities it wants to take on, subject to the contract. In a share sale, the company remains the same legal entity after completion, so its historical issues do not disappear just because the shareholder changes.

What actually changes in a share sale?

The immediate legal change is at ownership level. The seller transfers some or all of its shares to the buyer, and the buyer becomes the new shareholder.

The company usually keeps the same ABN, ACN, contracts, business name registrations, employees, bank accounts, and operating history unless separate steps are taken. That continuity can be commercially attractive, but it also means the buyer needs to be comfortable with what sits inside the company before the deal completes.

Why parties choose a share sale

A share sale is often used where the business already trades through a company and the buyer wants continuity. It can also be simpler commercially where the company holds multiple contracts, licences, supplier accounts, employee arrangements, or customer relationships that would be difficult to transfer one by one.

From the seller’s side, a share sale can be cleaner because the entire company is sold rather than requiring each business asset to be separately assigned or transferred. The legal documents still need careful work, but the structure may suit the deal better than carving out assets individually.

What buyers need to remember

The main risk for a buyer is inheriting company-level problems that were not obvious at the start of negotiations. These can include:

• non-compliant employment arrangements
• customer disputes or refund liabilities
• poorly documented contractor relationships
• intellectual property that is used by the company but not actually owned by it
• privacy issues or data handling problems
• unpaid debts, tax exposures, or finance obligations
• breaches of leases, licences, or supplier contracts
• missing corporate records or invalid share issuances

Some of these issues can be managed through due diligence, disclosure, warranties, indemnities, retention amounts, or a price adjustment. None of them should be left to assumptions or verbal assurances.

What sellers need to remember

Sellers often assume that once the shares are transferred, all risk ends. That is rarely true. Most share sale agreements contain seller warranties about the state of the company, and some include indemnities for specific issues identified during negotiations.

A seller should also think carefully before agreeing to broad statements about compliance, ownership, accounts, or disputes. If a statement is inaccurate and not properly disclosed, the seller may face a claim after completion.

Legal Issues To Check Before You Sign

Before you sign a share sale agreement, you need to confirm three things: who has the legal right to sell the shares, what risks sit inside the company, and what the contract says will happen if those risks turn out to be real.

Ownership of the shares and internal approvals

The first step is confirming that the seller actually owns the shares being sold and can transfer them free of restrictions. This sounds basic, but founders are often surprised by old shareholder arrangements, missing consents, or share registers that do not match what everyone thought had happened.

Check the company constitution, shareholders agreement, ASIC records, share certificates if they exist, and the internal register of members. Look for:

• pre-emptive rights requiring shares to be offered to existing shareholders first
• drag-along or tag-along rights
• director approval requirements for share transfers
• restrictions on transferring partly paid shares
• security interests or other encumbrances over the shares
• disputes about earlier share issues, options, or convertible instruments

If these issues are not sorted out early, the deal can stall just before completion.

Due diligence on the company

Due diligence is where the buyer tests whether the business matches the seller’s description. Before you rely on a verbal promise about customers, contracts, or compliance, ask for documents and verify the position.

For most SME share sales, a legal contract review should cover at least the following:

• material customer and supplier contracts
• loan agreements, security documents, and guarantees
• commercial leases and property licences
• employment contracts, contractor agreements, and workplace policies
• intellectual property ownership, including trade marks, software, branding, and content
• privacy practices and data handling where the business collects personal information
• website or platform terms if they are central to revenue or service delivery
• ongoing disputes, complaints, regulator contact, or threatened claims
• company registers, minutes, and ASIC filings

A buyer should not assume that a company owns its brand just because it uses the name publicly. The same goes for software code, product designs, manuals, databases, and marketing content. If a founder, contractor, or related entity created these assets without a proper assignment, ownership may be unclear.

Change of control and consent issues

A share sale does not always avoid consent requirements. Many contracts define a change in shareholding or control as an event that requires notice, consent, or gives the other party termination rights.

This is especially relevant for:

• commercial leases
• franchise arrangements
• finance facilities
• key supplier agreements
• distribution arrangements
• government-related contracts
• licences or permits tied to ownership or control criteria

If a major landlord or lender can terminate or call default after completion, that is a serious deal issue. The parties need to identify these contracts early and decide whether landlord consent or other third party consents are a condition of completion.

The share sale agreement

The share sale agreement is the document that allocates risk between buyer and seller. Price matters, but the clauses dealing with risk often matter more once the deal is done.

Key clauses usually include:

• details of the shares being sold and the purchase price
• how the price is paid, including any deposit, earn-out, retention, or completion adjustment
• conditions precedent, such as third party consents or shareholder approvals
• completion mechanics, including transfers, board resolutions, and delivery items
• warranties about the company and the shares
• specific indemnities for known problem areas
• restraint clauses and confidentiality obligations
• limitations on claims, including time limits and liability caps
• disclosure rules and any disclosure letter from the seller

Buyers often push for broad warranties. Sellers usually try to narrow them and qualify them by disclosures. Neither side should treat these sections as boilerplate. They are often the most heavily negotiated parts of the deal.

Warranties, indemnities and disclosure

A warranty is a contractual promise that certain statements about the company are true. An indemnity is a more direct promise to cover a defined loss if a specified issue arises.

For example, a buyer may seek warranties that the company has complied with key laws, owns its intellectual property, has no undisclosed disputes, and has properly paid employees. If a known payroll issue exists, the buyer may ask for a specific indemnity instead of relying only on general warranties.

Sellers should use the disclosure process properly. If there is a customer dispute, missing assignment, unresolved contractor classification issue, or regulator complaint, it needs to be disclosed clearly and consistently with the agreement. Vague disclosure often creates fresh arguments later.

Employees and management transition

In a share sale, employees usually stay employed by the same company because the employer entity has not changed. That sounds simpler than an asset sale, but there are still important legal and commercial points to review.

Check:

• whether key employees have signed enforceable employment contracts
• whether bonus arrangements, commissions, or change of control payments are triggered
• whether there are founder service arrangements that need to continue after completion
• whether restraints are drafted appropriately for departing founders
• whether workplace policies and records are in order

If a buyer expects the seller-founder to stay involved after completion, that role should be documented separately. Do not rely on handshake arrangements about transition support.

Completion steps and post-completion records

A share sale is not finished just because the money has been transferred. Completion needs a clear document checklist and practical handover plan.

This often includes signed share transfers, board resolutions, updates to the register of members, cancellation and issue of share certificates where relevant, director resignations and appointments, ASIC updates, release of securities if required, and delivery of passwords, records, seals, and company books. Missing these details can create ownership uncertainty later.

Common Mistakes With Share Sale

The most common share sale mistakes come from assumptions. Parties assume the company owns what it uses, assume consents are not needed, assume a short precedent document is enough, or assume that commercial goodwill will solve gaps in the paperwork.

Confusing a share sale with an asset sale

This is where buyers often underestimate risk. If you buy shares, you usually step into the history of the company. You are not just buying stock, plant, goodwill, or customer contracts in isolation.

That is why due diligence and risk allocation matter so much more than a headline price.

Using a generic agreement that does not fit the deal

No two share sales are exactly the same. A business with a lease, customer concentration, software IP, contractors, and founder earn-out issues needs more than a basic transfer document.

A weak agreement may miss:

• completion conditions linked to consents
• specific indemnities for identified risks
• restraint terms for the departing owner
• proper limitations on warranty claims
• clear mechanics for price adjustments or deferred payments

This is where founders often think they have saved time, then spend far more dealing with disputes after settlement.

Ignoring shareholder and constitutional restrictions

A deal can be commercially agreed but legally blocked if the constitution or shareholders agreement restricts transfers. Existing investors may have rights of first refusal, co-sale rights, or approval rights.

If the transaction moves ahead without dealing with these rights, the transfer may be challenged or delayed.

Relying on verbal promises

Before you sign, every material promise should be recorded in the documents or the disclosure process. If the seller says a customer contract will continue, a founder will provide six months of support, or a loan will be repaid before completion, capture that clearly.

Verbal statements are hard to enforce and often remembered differently once the deal is done.

Missing change of control clauses

Some business owners assume a share sale is invisible to customers, landlords, and suppliers because the company name stays the same. Many contracts say otherwise.

A missed change of control clause can trigger default, termination rights, or a need for consent at the worst possible time.

Overlooking privacy and data issues

If the target company handles customer or user data, the buyer should check privacy compliance before completion. This matters even more for online businesses, software businesses, health-adjacent services, education providers, and any business with direct marketing practices.

Look at collection notices, privacy policies, data storage arrangements, third party processors, complaint history, and whether the company’s actual practices match what it tells customers. A privacy problem may not be obvious from the financial statements, but it can become a real liability after the sale.

Failing to deal properly with intellectual property

Branding, code, designs, product materials, databases, and confidential know-how are often central to value in a small business. If those assets are not legally owned by the company, the buyer may acquire a business that cannot fully control its own brand or product.

This risk comes up often where founders developed assets before the company existed, or where contractors created valuable material without signed IP assignment clauses.

Leaving tax and accounting issues too late

The legal documents are only one side of the deal. Purchase price treatment, completion accounts, debt-like items, working capital assumptions, and post-completion adjustments need accounting input.

Legal and tax issues also overlap in areas like employee entitlements, stamp duty questions, and transaction structuring. Businesses should speak with an accountant or tax adviser early rather than trying to solve these issues the day before completion.

FAQs

What is the difference between a share sale and an asset sale?

A share sale transfers ownership of the company by transferring shares. An asset sale transfers selected business assets and, if agreed, selected liabilities. The main practical difference is that a share sale usually leaves the company and its historical liabilities in place.

Do I need a share sale agreement in writing?

Yes. A written agreement is the main document setting out price, risk allocation, warranties, indemnities, conditions, and completion steps. Relying on informal terms creates unnecessary risk for both buyer and seller.

Can contracts stay in place after a share sale?

Often yes, because the company itself continues. But many contracts include change of control clauses, consent rights, or termination triggers, so the actual position depends on the wording of each contract.

Does a buyer inherit the company’s liabilities in a share sale?

In practical terms, yes, because the buyer acquires the company that holds those liabilities. That is why due diligence, disclosure, warranties, and indemnities are central parts of the deal.

What documents are usually needed at completion?

Common completion documents include the signed share sale agreement, share transfer forms, board and shareholder resolutions where needed, updated share register entries, resignation and appointment documents for officeholders, and ASIC-related updates after completion.

Key Takeaways

• A share sale transfers ownership of the company itself, which means the buyer usually takes on the company’s existing legal and commercial history.
• Before you sign, confirm the seller’s right to transfer the shares and check the constitution, shareholders agreement, share register, and any third party restrictions.
• Legal due diligence should cover contracts, leases, finance, employment, intellectual property, privacy, disputes, and company records.
• The share sale agreement should deal clearly with price, conditions, completion mechanics, warranties, indemnities, disclosure, restraints, and claim limits.
• Founders often get caught by missing change of control clauses, unclear IP ownership, broad warranty promises, and verbal assurances that never made it into the documents.
• Accounting and tax input also matters, especially where there are completion accounts, earn-outs, debt adjustments, or employee entitlement issues.

If you want help with due diligence, share sale agreements, warranties and indemnities, and completion documents, you can reach us on 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.

Official Sources to Check

Rules and regulator guidance can change. Check the current official material most relevant to this issue before relying on the article:

• ASIC: Company directors and responsibilities
• Federal Register of Legislation: Corporations Act 2001