What is a secured business loan and how does it differ from an unsecured loan

Relationship Manager · 30 June 2026 · 4 min read
In this article
- Secured loans require business assets as collateral; unsecured loans do not
- Secured loans typically offer lower interest rates and higher borrowing limits
- Unsecured loans provide faster approval but carry stricter eligibility criteria
- Key differences affect cost, accessibility, and risk for UK SME borrowers
When seeking finance for your UK business, understanding the difference between secured and unsecured loans is crucial. These two borrowing types offer distinct advantages and carry different risks, and choosing the right one can significantly impact your business's financial health. This guide explains how each works and helps you determine which suits your needs.
Ready to compare your options?
Check your eligibility across 100+ UK lenders in 60 seconds.
What is a Secured Business Loan?
A secured business loan is a form of borrowing where you pledge business assets as collateral against the loan amount. Common security includes property, equipment, vehicles, or stock. If you fail to repay the loan, the lender has the legal right to seize and sell these assets to recover their money. This security significantly reduces the lender's risk, which is why secured loans typically offer more favourable terms.
Secured loans are popular with UK SMEs because they often provide access to larger sums of money at competitive interest rates. Lenders such as Barclays, NatWest, and specialist business finance providers frequently offer secured facilities. The loan term can extend from one to ten years or longer, depending on the asset securing the debt and your repayment capacity. This flexibility makes secured loans ideal for substantial investments like property purchases or equipment acquisition.
Understanding Unsecured Business Loans
An unsecured business loan requires no collateral or personal guarantee. Lenders approve these loans based entirely on your creditworthiness, business performance, trading history, and cash flow projections. Because the lender has no security to recover losses if you default, unsecured loans carry higher perceived risk, resulting in stricter lending criteria and typically higher interest rates than secured alternatives.
Unsecured loans are attractive to businesses that lack substantial assets or prefer not to risk existing property or equipment. Many high street banks and specialist lenders like iwoca, Funding Circle, and Axiom offer unsecured business loans to established SMEs. These loans are generally smaller, ranging from £1,000 to £500,000, with shorter repayment periods of one to five years. The application process is often faster, sometimes completed within days, making unsecured finance suitable for urgent working capital needs.
"Secured loans offer lower interest rates and higher borrowing limits, whilst unsecured loans provide faster approval and avoid collateral risk - the right choice depends on your assets, timeline, and funding needs."
- Finn Murphy, Relationship Manager, Spark Finance
Key Differences Between Secured and Unsecured Loans
The primary differences centre on collateral, interest rates, borrowing limits, and approval timescales. Secured loans require asset security but offer lower interest rates, typically between 2% and 8% depending on lender and circumstances. Unsecured loans avoid collateral risk but cost more, usually ranging from 5% to 25% or higher. Secured loans allow borrowing of £10,000 to £1 million or more, while unsecured facilities typically cap at £500,000 for SMEs.
Approval timescales differ significantly. Unsecured loans often receive approval within 24 to 48 hours once documentation is submitted, whereas secured loans may take two to four weeks due to asset valuation and legal checks. Lender requirements also vary: secured loans need formal valuation surveys and legal documentation, whilst unsecured loans depend on credit scoring and financial statement analysis. Both types are provided by FCA-regulated lenders, ensuring consumer protection and fair lending practices throughout the UK.
Choosing Between Secured and Unsecured Finance
Your choice depends on several factors including available assets, urgency of funding, loan amount required, and risk tolerance. If you own business property or equipment and can wait two to four weeks for approval, a secured loan offers excellent value through lower interest rates and higher borrowing limits. Conversely, if you need rapid funding, lack substantial assets, or prefer not to risk existing property, an unsecured loan provides flexibility despite higher costs.
Consider your business's financial position and cash flow carefully. Secured loans suit long-term investments where asset appreciation may offset borrowing costs, such as property purchases or machinery for manufacturing. Unsecured loans work well for short-term working capital, stock purchases, or bridging gaps between invoicing and payment. It's also worth comparing offers from multiple lenders, as rates and terms vary considerably across high street banks, building societies, and specialist finance providers regulated by the FCA.
How Spark Finance Can Help
At Spark Finance, we help UK SME owners navigate the complex world of business finance by connecting you with appropriate lenders and loan products. Our expert brokers understand both secured and unsecured lending options and can assess your specific circumstances to recommend the most suitable solution. We work with major institutional lenders and specialist finance providers, ensuring you access competitive rates and terms tailored to your business needs.
Using Spark Finance is straightforward and costs nothing. We handle the research, applications, and negotiations on your behalf, saving you time and effort. Whether you need a secured loan for substantial capital investment or quick unsecured finance for working capital, we'll guide you through the process transparently. Contact our team today to discuss your requirements and discover which loan type suits your business best.
Frequently Asked Questions
Can I get a secured loan without a property?
Yes. While commercial property is common security, lenders also accept other assets including business equipment, vehicles, stock, debtors, and personal property. Values must be professionally assessed, and the asset must be unencumbered or have sufficient equity.
Is my personal credit score important for unsecured business loans?
Yes, significantly. Most lenders assess both personal and business credit ratings for unsecured loans. Poor personal credit history may result in rejection or higher interest rates, even if your business performs well financially.
What happens if I cannot repay a secured loan?
If you default on a secured loan, the lender can pursue legal action to repossess and sell your secured assets to recover the outstanding debt. This can be devastating for business operations, making careful affordability assessment essential.
Are unsecured business loans more expensive than secured loans?
Generally yes. Unsecured loans typically carry interest rates 3% to 15% higher than secured alternatives because lenders bear greater risk with no collateral. However, rates vary between lenders and depend on your creditworthiness and business performance.
The bottom line
Both secured and unsecured business loans serve important purposes in UK SME finance, each offering distinct advantages depending on your circumstances. Understanding these differences helps you make informed decisions that support your business growth without unnecessary financial strain. Spark Finance's expert brokers are here to help you find the perfect finance solution for your needs - get in touch today.
Check your eligibilityAbout the author

Finn Murphy
Relationship Manager
Finn is a Relationship Manager at Spark Finance focused on asset finance and equipment funding for UK businesses. He has placed hire purchase, finance lease, and operating lease facilities across construction, healthcare, and manufacturing sectors.
