June 2, 2026
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Personal Guarantees Explained: What SMEs Need To Know

Learn how personal guarantees work, why lenders use them, the risks for business owners, and how SMEs can protect themselves when applying for business finance.
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Personal Guarantees Explained: What SMEs Need To Know
Purbeck Insurance
Finance Partner

Purbeck Insurance provides Personal Guarantee Insurance designed to protect SME directors with business loans or financial agreements in place. Their policies can cover up to 80% of your personal guarantee exposure, helping safeguard your personal assets while you focus on growing your business with confidence.

For many SME owners, securing finance is an essential part of running and growing a business. Whether you're funding expansion, managing cash flow, purchasing equipment, or investing in new opportunities, external finance can provide the support needed to take the next step.

What often catches business owners and directors by surprise is the requirement to sign a personal guarantee as part of the application process. 

Personal guarantees are common across the UK business finance market, particularly for smaller businesses, startups, and companies with limited trading history. Yet despite their prevalence, many directors and business owners are still unclear about what signing a personal guarantee actually means and what could happen if circumstances change in the future. 

Whilst a personal guarantee shouldn’t be viewed as a reason to avoid seeking funding, it’s something that should be approached with a clear understanding of the responsibilities involved and how to manage the associated risks. 

What Is A Personal Guarantee?

At its simplest, a personal guarantee is a commitment from a business owner or director to repay a business debt if the company itself cannot.

Although finance is provided to the business, the guarantee creates a legal obligation for the individual signing it. If the company is unable to meet its repayments and the lender cannot recover the outstanding balance from the business, they may seek to recover some or all of the debt from the guarantor personally.

Personal guarantees are commonly used across the business finance market because they give lenders an additional layer of reassurance. For SMEs that may not have significant assets to offer as security, they can often help unlock funding opportunities that might otherwise be unavailable.

In many cases, a personal guarantee is simply part of the negotiation between lender and borrower. The lender gains additional confidence, while the business gains access to the finance it needs.

Personal guarantees are commonly used alongside:

  • Business loans
  • Asset finance
  • Invoice finance facilities
  • Merchant cash advances
  • Commercial mortgages
  • Business overdrafts

Why Do Lenders Require Personal Guarantees?

From a lender's perspective, providing finance always involves a degree of risk.

While established businesses with strong balance sheets and substantial assets may be able to secure borrowing without personal commitments from directors, many SMEs operate in a very different environment. Growing businesses often need funding before they have built up significant reserves, while newer businesses may not yet have the trading history lenders would ideally like to see.

For lenders, personal guarantees can help:

  • Increase confidence when lending to younger businesses
  • Support applications where security is limited
  • Enable higher borrowing amounts
  • Make finance available to businesses that might otherwise struggle to access funding

For businesses exploring their options, working with an experienced broker such as Funding Agent can help identify lenders whose requirements align with the company's circumstances and objectives, making it easier to secure the right funding solution without unnecessary complications.

What Happens If A Business Cannot Repay The Loan?

If a business falls behind on repayments, the lender will usually attempt to recover the debt from the company first. However, if the business becomes insolvent or cannot meet its obligations, the lender may enforce the personal guarantee.

Depending on the terms of the agreement, this could mean the guarantor becomes liable for:

  • The outstanding loan balance
  • Interest charges
  • Legal costs
  • Recovery and enforcement expenses

This is why understanding the exact terms of any guarantee is critical before signing.

Unlimited Vs Limited Personal Guarantees

There are two common forms of personal guarantee.

Unlimited Personal Guarantees

An unlimited guarantee means the individual could be liable for the full amount owed, including interest and costs associated with recovery.

This offers the greatest protection for the lender but also creates the highest level of personal exposure for the guarantor.

Limited Personal Guarantees

A limited guarantee places a cap on the amount the individual can be required to repay.

For example, a director may agree to guarantee up to £50,000 of a larger borrowing facility.

Where multiple directors are involved, lenders may also allocate specific percentages of liability to each guarantor.

Should Personal Guarantees Put SMEs Off Applying For Finance?

Not necessarily.

Personal guarantees are a well-established part of the SME finance market, and many successful businesses have used funding backed by personal guarantees.

The important thing is to approach them with a clear understanding of the risks involved and to ensure the borrowing is affordable, appropriate, and aligned with the business's plans.

Before signing, business owners should consider:

  • The amount being borrowed
  • The repayment structure
  • The financial position of the business
  • The impact of worst-case scenarios
  • Whether the guarantee is limited or unlimited

How Can Business Owners Protect Themselves?

While personal guarantees are often unavoidable, there are steps business owners can take to reduce potential exposure. One increasingly popular option is personal guarantee insurance.

Personal guarantee insurance is designed to cover a proportion of a director's liability if a lender enforces a personal guarantee following business insolvency.

This can provide an additional layer of protection and peace of mind for directors who need finance to support business growth but want to mitigate some of the associated personal risk.

Specialist providers such as Purbeck Personal Guarantee Insurance offer cover specifically designed for directors and business owners who are required to sign personal guarantees as part of their funding arrangements.

Whether you're considering your first business loan or exploring new funding opportunities, taking time to fully understand the implications of a personal guarantee is a crucial step towards securing finance responsibly.

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