What Business Records Must Be Kept for 10 Years

When you’re building a startup or running a growing SME, record keeping can feel like “admin you’ll get to later”. But in Australia, keeping the right records (and keeping them for long enough) is a legal and tax compliance issue - and it can quickly become a costly problem if you’re audited, in a dispute, or trying to sell or raise capital.

One of the most common questions we hear is what records Australian businesses need to keep for 10 years. The short answer is: there isn’t a single “10-year rule” that applies to every document. Most tax record-keeping rules are commonly framed around 5 years, some employment records are 7 years, some company records need to be kept for longer (sometimes permanently), and many businesses choose a 10-year retention baseline for key documents as a practical risk-management approach across audits, disputes and due diligence.

Below, we’ll walk you through the practical categories of records Australian businesses commonly keep for around 10 years (or longer, where sensible), how to set up a simple system from day one, and how to reduce your risk as you scale.

Why Do Some Business Records Need To Be Kept For 10 Years?

It’s tempting to think of record keeping as “just for tax time”, but it’s broader than that. Businesses keep records for longer periods because these documents can become critical evidence later - for example, if the ATO reviews your activity, a shareholder dispute arises, or a former customer makes a claim.

Even when the law says a particular record must be kept for a minimum period (often 5 years in many tax contexts), many businesses choose a longer retention period (like 7–10 years) as a sensible risk-management baseline, especially if you:

operate through a company (rather than as a sole trader);
sell higher-value goods or services where claims may arise later;
deal with long-term projects (construction, software development, consulting retainers);
have investors, co-founders, or complex financial arrangements; or
plan to sell your business and want your records tidy for due diligence.

A practical way to think about it is this: your business records are your “proof”. Proof that you did what you said you did, charged what you said you charged, paid who you said you paid, and complied with your legal obligations.

What Records Should You Keep For 10 Years? (The Practical Checklist)

If you’re trying to work out what records are worth keeping for 10 years, you’re usually trying to pin down which documents you should retain long-term so you don’t get caught out later.

While your exact obligations depend on your business, industry, and structure, here’s a practical checklist of record categories many Australian startups and SMEs choose to retain for around 10 years (or longer, where sensible).

1) Tax And Accounting Records

These records help you substantiate income, expenses, GST treatment, and payroll decisions. They also help you respond to ATO queries quickly and confidently.

Sales records: invoices, receipts, payment confirmations, sales reports.
Expense records: supplier invoices, receipts, reimbursements.
Bank statements and loan statements.
Business Activity Statements (BAS) and GST calculations (including adjustments).
End-of-year financial reports (profit and loss, balance sheet).
Depreciation schedules and asset registers (equipment, vehicles, computers, machinery).
Capital raising and funding records (where they affect your accounts and reporting).

As a general guide, many Australian tax records are required to be kept for at least 5 years (timing can depend on the type of record and the circumstances). Many businesses keep key tax and accounting records for longer (often 7–10 years) to reduce risk, particularly where there are asset purchases, longer-term projects, or potential disputes.

This section is general information only and isn’t tax advice. If you’re unsure what retention period applies to your situation, speak with your accountant or a registered tax agent.

2) Employment And Payroll Records

If you employ staff (or plan to), employment record keeping is not optional - it’s a compliance requirement. It also protects you if there’s a dispute about pay, leave, termination, or entitlements.

Common records to retain long-term include:

Signed employment contracts and variations (for example, when someone changes from casual to part-time).
Position descriptions, remuneration details, and written role changes.
Timesheets and rosters (especially in industries with penalty rates and shift changes).
Payroll records: pay slips, superannuation contributions, allowances, bonuses/commissions.
Leave records: annual leave, personal/carer’s leave, unpaid leave agreements.
Performance management records (warnings, investigations, meeting notes).
Termination documents: resignation letters, termination letters, final pay calculations.

As a general guide, many employee records must be kept for 7 years. Some businesses keep employment and payroll records for longer (such as 10 years) as a practical buffer, particularly where disputes may arise later.

As a practical starting point, having a properly drafted Employment Contract also makes it easier to know what records you need to retain because the obligations and entitlements are clearly set out.

3) Company And Governance Records (If You Run A Company)

If you operate through a company, you’ll usually have additional corporate record keeping obligations. These aren’t just “nice to have” - they’re part of good governance, and they matter when you:

bring on co-founders or investors;
apply for funding;
sell the business;
deal with a dispute between directors/shareholders; or
need to prove decisions were properly made.

Examples of governance and corporate records to keep long-term (often 10 years or longer, and sometimes permanently) include:

Company register details (shareholders, directors, share issues/transfers).
Minutes of meetings and written resolutions.
Constitution and amendments (if you have one). A Company Constitution often becomes a key reference point in governance decisions.
Share certificates and share transfer documents.
Records of dividends and director decisions around solvency.
Key contracts approved by the company (especially high-value or long-term agreements).

If your business has multiple owners, it’s also smart to keep executed versions (and any changes) of your Shareholders Agreement with your long-term business records, as it often governs decision-making, exits, and dispute resolution.

4) Customer, Supplier, And Commercial Contract Records

Your contracts often become your “single source of truth” if a customer complains, a supplier fails to deliver, or payment is disputed years later.

Depending on your business model, consider retaining:

Signed customer agreements or accepted terms and conditions (including versions over time).
Statements of work (SOWs), change requests, and project deliverables (especially for services and software).
Supplier and manufacturing contracts, purchase orders, and variations.
Distribution and reseller agreements (where you rely on third parties to sell).
Credit applications and guarantees (if you extend credit to customers).
Dispute records: complaints, resolutions, refunds, chargebacks, settlement deeds.

Even if you don’t have formal “signed contracts” for every job, you should still keep records of what was agreed - for example, accepted quotes, email acceptances, invoices, and delivery confirmations. (If you’ve ever wondered whether an email or quote can bind you, it’s worth being consistent in how you document acceptance and variations.)

5) Consumer Law, Refund, And Warranty Records

If you sell goods or services to customers, you’ll be operating under the Australian Consumer Law (ACL). While the ACL doesn’t always dictate a neat “keep X for Y years” rule for every scenario, keeping clear records for around 10 years is often a practical approach for higher-value goods/services or where complaints may arise well after the sale.

Records to retain include:

Refund and return requests and how you handled them.
Warranty claims, assessments, repairs/replacements, and communications.
Advertising claims and representations you made (product descriptions, performance claims, pricing promotions).
Customer communications relevant to disputes (emails, messages, call notes).

This is particularly important if your marketing or sales process could later be questioned as misleading or unclear. Keeping records of what was advertised and what was delivered can help you defend your position.

6) Asset Purchases, Financing, And Security Interests

Big-ticket purchases and finance arrangements should be easy to prove years later, particularly if you’re refinancing, selling assets, or dealing with insolvency risks in the supply chain.

Keep records such as:

Asset purchase documents (equipment invoices, purchase agreements, warranties).
Loan documents and repayment schedules.
Leases and hire agreements.
Security documents (where someone has a security interest over your assets, or you’ve taken security from someone else).

If you’re dealing with secured finance, it’s also helpful to understand the role of the Personal Property Securities Register (PPSR). A PPSR registration can affect who has priority if things go wrong, so keeping your related documentation neatly filed is a strong risk-reduction step.

How Long Do You Actually Need To Keep Records In Australia?

This is where many business owners get stuck: there isn’t always one universal retention period that applies to everything.

As a general guide (and noting some industries have additional rules):

Many tax records are generally required to be kept for at least 5 years (often longer in practice, depending on the transaction and risk).
Employment records are commonly required to be kept for 7 years.
Company records can have different retention rules depending on the document type, and some are best kept permanently (for example, formation and ownership records).
Contracts and dispute-related records are often kept for longer because they may be needed as evidence if a dispute arises later.

So when people ask about what records must be kept for 10 years, they’re often looking for a business-friendly retention baseline that covers the reality of audits, disputes, and growth. For many startups and SMEs, keeping key financial and legal records for around 10 years is a sensible, low-friction approach - alongside keeping certain core company documents permanently.

If you’re unsure which retention periods apply to your specific business (for example, you’re in a regulated industry, you run an NDIS provider, or you handle sensitive customer data), it’s worth getting tailored advice rather than guessing.

What Happens If You Don’t Keep The Right Records?

Most record-keeping issues don’t show up on day one. They show up later - usually at the worst possible time.

Here are some common scenarios we see:

You Can’t Substantiate Deductions Or GST Treatment

If you can’t produce invoices or supporting documents, you may not be able to substantiate deductions or GST claims. Even if you did everything correctly, missing records can make it difficult to prove.

Employment Disputes Become Harder To Resolve

When there’s a disagreement about hours worked, leave taken, or pay owed, your records often determine the outcome. Without clear documentation, disputes can escalate quickly.

Co-Founder Or Investor Issues Become Messy

If your share ownership, director decisions, or key approvals aren’t properly recorded, it can create uncertainty. That uncertainty can scare off investors, slow down a sale, or fuel internal disputes.

You Lose Leverage In Contract Disputes

If you don’t have a copy of the signed contract, the accepted scope, or the variation emails, it’s harder to enforce payment terms or defend your position on delivery and quality.

Record keeping isn’t just a compliance chore - it’s a core part of protecting your business.

How To Set Up A Simple 10-Year Record Keeping System (Without Overcomplicating It)

You don’t need a complex corporate system to do this well. The goal is a process you’ll actually follow.

1) Decide Your “Source Of Truth”

Pick one primary system where contracts and key records live (for example, a secure cloud drive with structured folders, plus your accounting software for financial records).

Then make it a rule: final, signed versions always go there.

2) Use A Folder Structure That Matches How You’ll Search Later

Most founders organise records by year, then by category. For example:

2026 > Tax & BAS
2026 > Payroll
2026 > Customers
2026 > Suppliers
2026 > Company Records
2026 > Disputes & Claims

This matters because if you ever need to find something quickly, you’ll usually remember the year and the type of record before you remember the file name.

3) Save Versions Of Terms, Policies, And Key Documents

If you run a website or online service, your terms and policies might change as you grow. Keep date-stamped versions so you can prove what applied at the time of a sale or incident.

This includes privacy documentation. If you collect personal information (even just names and emails), a Privacy Policy is a common starting point, and you should keep historical versions once published.

4) Create A “Contract Register” For Your Key Agreements

A contract register can be a simple spreadsheet listing:

party name;
agreement name/type;
start and end date;
renewal date and notice periods;
where the signed PDF is stored.

This can save you a lot of time when you’re renewing agreements, answering due diligence questions, or handing matters to an advisor.

5) Set Retention Rules Now (So You Don’t Guess Later)

Decide:

what you keep for 10 years as a minimum (your baseline);
what you keep permanently (company formation documents, ownership records, core IP records); and
what you can safely delete earlier (low-risk admin documents).

If you’re unsure, default to keeping more - storage is cheap compared to the cost of reconstructing records during an audit or dispute.

Key Takeaways

If you’re looking for what records to keep for 10 years, you’re usually looking for a practical retention baseline that protects you across audits, disputes, and growth milestones.
Most startups and SMEs choose to retain key tax and accounting records, employment and payroll records, company governance documents, and important contracts for around 7–10 years (and keep some core company records permanently).
Keeping clean records helps you substantiate deductions, handle customer complaints and warranty disputes, and protect your position in contractual disagreements.
If you operate through a company, keeping your constitution, resolutions, share records, and governance documentation organised can save major headaches when investors, co-founders, or buyers ask questions.
A simple record-keeping system (clear folder structure, version control for policies, and a basic contract register) is often enough - the key is consistency.

If you’d like help setting up your legal foundations and compliance processes (including contracts, policies, or governance documents), you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.

What Business Records Must Be Kept For 10 Years In Australia?