Thinking About A Loan For You Business? You Might Need A Loan Agreement (2026 Updated)

You’ve found a growth opportunity, a new supplier deal, or a piece of equipment that will pay for itself over time - but you need cash now. That’s where a business loan can be a smart move.

What trips many business owners up isn’t the idea of borrowing money. It’s what happens after the money changes hands, when the details are fuzzy and expectations don’t match. That’s why having the right loan paperwork matters.

This updated guide reflects how New Zealand businesses are typically borrowing and lending today (including more private lending, founder loans, and related-party funding). We’ll walk you through when you need a loan agreement, what it should cover, and how to protect your business relationships while still keeping the deal commercial.

Do I Really Need A Loan Agreement For A Business Loan?

In many cases, yes - a written loan agreement is one of the simplest ways to protect both sides.

A loan agreement sets out the “rules of the road” for the money being advanced. Without it, you can end up relying on:

• informal emails or text messages
• memory (which is unreliable when money is involved)
• assumptions (“we said we’d sort that out later”)
• unclear repayment arrangements (which can harm cashflow fast)

Even if the lender is a friend, a family member, or your own company, a written agreement can actually reduce awkwardness. It gives you something neutral to point to when questions come up.

Common Situations Where You’ll Want A Loan Agreement

We often see loan agreements used for:

• Director or shareholder funding (you lend money to your company, or the company lends money to you)
• Short-term cashflow support (bridging a gap between invoices and expenses)
• Buying equipment or vehicles without using asset finance
• Business acquisition funding (including vendor finance arrangements)
• Start-up loans from friends/family (where the relationship matters just as much as repayment)

If you’re looking for a document that clearly spells out repayment terms, default rights, and protections, a tailored Loan Agreement is usually the right starting point.

“But We Trust Each Other”

Trust is great - but businesses change. People change roles. Staff turnover happens. Relationships can get strained. And if a business hits a rough patch, repayment conversations can become very real, very quickly.

A clear agreement helps you avoid disputes by answering the questions before they become problems.

What Should A Business Loan Agreement Include?

A well-drafted business loan agreement isn’t just a formality. It’s a practical tool that can protect cashflow, reduce misunderstandings, and make enforcement (if it ever comes to that) much clearer.

While every loan is different, most business loan agreements should cover the following.

1. The Loan Amount, Purpose, And Drawdown Details

• How much is being loaned?
• Is it advanced in one lump sum or by instalments (drawdowns)?
• Is it limited to a specific business purpose (eg equipment purchase), or can it be used generally?

Being specific can matter, especially where the lender is expecting the funds to be used in a particular way.

2. Interest (Or No Interest) And How It’s Calculated

Interest terms should be crystal clear, including:

• the interest rate (fixed or variable)
• when interest starts accruing
• how it’s calculated (daily/monthly)
• when it’s payable

Some related-party loans are interest-free - that can be fine, but you still want it recorded properly so nobody later argues there was a different deal.

3. Repayment Terms That Match Real Cashflow

This is where many informal loans fall apart. Your agreement should specify:

• repayment frequency (weekly, fortnightly, monthly)
• repayment method (bank transfer, direct debit, etc)
• whether early repayment is allowed (and if there are any fees)
• whether there’s a balloon payment at the end

If repayments depend on revenue (common in start-ups), that needs careful drafting so both sides understand what triggers repayment and what happens if revenue drops.

4. Default, Enforcement, And What Happens If Things Go Wrong

No one enters a loan expecting default - but your agreement should still address:

• what counts as a default (missed payment, insolvency, breach of other obligations)
• notice periods and whether the borrower can “remedy” the breach
• default interest (if any)
• the lender’s rights to accelerate repayment (demand immediate payment)

This is also where it helps to be clear on what makes the agreement enforceable. In practice, disputes often come down to whether the arrangement was truly agreed and properly documented - which is why it’s helpful to understand What makes a signed document legally binding.

5. Costs, Fees, And Practical Admin

Consider including terms about:

• establishment fees (if any)
• who pays legal costs of preparing the agreement
• who pays enforcement costs if there’s a dispute
• how notices must be given (email, registered address, etc)

These details feel small - until there’s disagreement and you need certainty.

Is The Loan Secured Or Unsecured (And Why Does That Matter)?

One of the biggest legal and commercial differences between loans is whether the lender has security.

An unsecured loan means the lender is relying mainly on the borrower’s promise to repay. If the borrower can’t pay, the lender may have to chase the debt through negotiation or formal recovery processes.

A secured loan means the lender has a form of security over assets (or other protections), so there’s more leverage if repayments aren’t made.

Common Types Of Security For Business Loans

Depending on the situation, security might include:

• a security interest over business assets (eg equipment, stock, receivables)
• a guarantee (someone else promises to pay if the borrower doesn’t)
• other contractual protections (like covenants and reporting obligations)

In New Zealand, a common approach for secured lending is a General Security Agreement (often called a “GSA”), which can give the lender security over present and after-acquired property of the borrower.

PPSR Registration (Security Interests Need Admin To Be Effective)

Having security written into an agreement is one piece of the puzzle. The other piece is getting the administration right so that the security is actually effective against third parties.

In many cases, this involves registration on the Personal Property Securities Register (PPSR). If you’re taking security, it’s often important to register a security interest properly and on time - because priority between lenders can become a real issue if the borrower becomes insolvent.

This is also an area where generic templates can create risk. Security arrangements should match what’s actually happening in your transaction and the type of assets involved.

What About Personal Guarantees?

Sometimes, especially with small businesses, a lender will ask a director or shareholder to personally guarantee the debt.

From the borrower’s side, you should treat this seriously. A guarantee can expose your personal assets, even if the borrower is a limited liability company.

From the lender’s side, a properly drafted guarantee can be an important risk management tool, and it’s commonly documented using something like a Deed of Guarantee and Indemnity.

Either way, guarantees are not “standard admin” - they need careful thought and tailored drafting.

What If The Loan Is Between A Founder And Their Company?

Founder-to-company loans (and company-to-founder loans) are very common in New Zealand, especially when you’re bootstrapping and the business isn’t ready for external investment.

But they also create a few extra legal and practical considerations.

Be Clear On Who The Parties Are

This sounds obvious, but it’s a common error: are you lending as an individual, or via another company or trust? Is the borrower your limited liability company, a partnership, or you personally as a sole trader?

If you’re still deciding on the right setup, sorting your structure early can save you headaches later - including when you’re signing finance documents. If you need to formalise your structure, Company set up is often a key step before you take on (or advance) serious funding.

Think About Tax And Accounting Treatment

Loan terms can affect how repayments and interest are treated in your accounts and tax filings. Your lawyer and accountant should ideally be on the same page, especially where the loan is from a related party and you want the arrangement to reflect commercial reality.

Avoid “Handshake Loans” That Blur Into Equity

When founders advance money without documenting it, things can get messy later when:

• you bring in new shareholders
• you sell the business
• someone leaves and expects repayment immediately
• you’re trying to value the company for investment

A written loan agreement helps keep the cap table and the company’s liabilities clear - which is important for growth.

How Do You Make A Loan Agreement Enforceable In New Zealand?

Most business owners don’t want to “enforce” a loan agreement. You want it to work smoothly, with repayments made on time and no drama.

Still, enforceability matters because it influences what happens when there’s a disagreement. If the agreement is unclear, you might spend more time (and money) arguing about what the deal was than actually resolving the issue.

Make Sure The Commercial Deal Is Actually Reflected In The Document

A contract is only helpful if it matches what you agreed. That includes:

• repayment timing that matches realistic business cashflow
• interest that matches the risk (or clearly states “no interest”)
• default rights that aren’t vague or inconsistent
• security/guarantee terms that reflect the real intention

Using a generic template can create gaps - for example, it might not deal properly with partial repayments, early repayment, changes in business structure, or what happens if the borrower sells key assets.

Signing And Witnessing

Some loan-related documents (particularly deeds and certain guarantees) have specific signing expectations. Getting execution wrong can create enforceability problems later.

If you’re unsure about execution formalities, it’s worth checking who can sign on behalf of your company and whether anything needs to be witnessed, especially where a document is intended to operate as a deed.

If The Borrower Defaults, What Are The Practical Next Steps?

This is where having the agreement can really reduce stress. A good loan agreement usually supports a step-by-step response, such as:

1. Send a written notice of default (following the notice clause).
2. Allow any remedy period (if the agreement provides one).
3. Negotiate a variation or repayment plan if appropriate.
4. If needed, escalate to formal recovery or enforcement of security.

Importantly, a clear agreement can help you keep the dispute about facts (“the payment wasn’t made”) rather than arguments about what the terms were supposed to be.

Key Takeaways

• A written loan agreement helps protect your business by clearly setting out repayment terms, interest, default rights, and admin details from the start.
• Even when you trust the other party (friends, family, founders, related companies), documenting the loan can prevent misunderstandings and reduce relationship strain later.
• Loan agreements should be tailored to your real cashflow and commercial deal - generic templates often miss key issues like early repayment, default processes, and variations.
• Secured vs unsecured lending is a major decision; if security is involved, a General Security Agreement and PPSR registration may be important for enforceability and priority.
• Founder-to-company loans are common, but they should still be documented properly so future investment, exits, or ownership changes don’t turn into disputes.
• If you’re unsure about enforceability, signing requirements, or whether you need guarantees or security, getting legal advice early can save you time and cost later.

If you’d like help putting a loan agreement in place (or reviewing one before you sign), you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.