For many UK businesses, accessing funding without putting up assets as collateral is essential. Unsecured business loans allow companies to borrow capital without collateral, such as property, equipment, or other assets. This makes them particularly attractive for SMEs, startups, and growing businesses that need fast funding but want to avoid risking business assets.
However, the UK market now includes dozens of alternative lenders, fintech platforms, and specialist SME finance providers. Each offers different rates, eligibility requirements, repayment terms, and funding speeds.
In this guide, we compare the best unsecured business loan lenders in the UK, covering:
- Loan amounts and interest rates
- Eligibility requirements
- Pros and cons of each lender
- Which lender is best, depending on your business needs
Best Unsecured Business Loan Lenders UK (Quick Comparison)
| Lender | Loan Amount | Typical Rates | Terms | Minimum Trading | Best For |
|---|---|---|---|---|---|
| Funding Circle | £10k – £500k | From ~6.9% APR | Up to 6 years | 2 years | Established SMEs |
| Iwoca | £1k – £1m | From ~2% monthly | Up to 24 months | 6 months | Flexible credit lines |
| Fleximize | £10k – £500k | ~0.9%–2.9% monthly | Up to 60 months | 6–12 months | Fast SME loans |
| Nucleus Commercial Finance | £10k – £2m | Custom pricing | Up to 7 years | 12 months | Larger unsecured loans |
| LendingCrowd | £75k – £500k | From ~6.9% APR | Up to 5 years | 2 years | Mid-size businesses |
| Momenta Finance | £50k – £250k | Variable | Up to 60 months | 12 months | Tailored SME lending |
| MCL Finance (Mycashline) | £5k – £100k | Variable | Up to 24 months | 6 months | Smaller loans |
| Swishfund | £5k – £1m | Risk-based | 3–24 months | 12 months | Fast short-term funding |
Rates and terms vary depending on credit profile, turnover, and lender risk assessment.
1. Funding Circle
Funding Circle is one of the largest SME lending platforms in the UK, connecting businesses with institutional investors to provide unsecured loans. They have helped more than 125,000 businesses borrow £17 billion since 2010.
Key Loan Details
- Loan Amount: £10,000 – £500,000
- Rates: From ~6.9% APR
- Terms: Up to 6 years
- Funding Speed: Often within 48 hours after approval
Eligibility
Typically requires:
- At least 2 years trading history
- UK-registered business
- Minimum annual turnover ~£50k
- Acceptable credit profile
Pros
- Competitive interest rates
- Longer repayment terms
- No early repayment fees
- Trusted UK fintech lender
Cons
- More stringent eligibility requirements
- Not ideal for very new businesses
Best For
Established SMEs looking for larger unsecured loans with longer repayment terms.
2. Iwoca
Iwoca is a leading European fintech lender focused on fast, flexible SME finance and has been “loved” by over 150,000 businesses since 2012.
Iwoca is particularly popular among small businesses that need rapid access to working capital.
Key Loan Details
- Loan Amount: £1,000 – £1 million
- Rates: From around 2% per month
- Terms: 1 day – 24 months
- Funding Speed: Often same day or within 24 hours
Eligibility
- At least 6 months of trading
- UK-based business
- Bank account connectivity for underwriting
- Reasonable credit history
Pros
- Extremely fast funding
- Flexible repayments
- Interest is only charged for the time used
- No early repayment fees
Cons
- A monthly interest structure can be expensive
- Shorter repayment terms
Best For
Businesses needing fast cash flow funding or flexible credit lines.
3. Fleximize
Fleximize is a UK digital lender specialising in flexible SME funding. They have lent over £715 million in business finance to SMEs across the UK, with the majority returning for additional funding. It focuses on customer service and flexible loan structures.
Key Loan Details
- Loan Amount: £10,000 – £500,000
- Rates: ~0.9% – 2.9% monthly
- Terms: 3 – 60 months
- Funding Speed: Often within 24 hours
Eligibility
- 6–12 months trading
- UK-registered business
- Personal guarantees from directors
Pros
- Fast application process
- Flexible top-ups available
- Dedicated account managers
- No early repayment fees
Cons
- Personal guarantees required
- Higher monthly rates for short-term loans
Best For
SMEs seeking fast unsecured loans with flexible repayment options.
4. Nucleus Commercial Finance
Nucleus Commercial Finance offers a wide range of SME funding options, including unsecured loans, revenue-based finance, and asset finance. It has lent over £2.3 billion to UK businesses.
Key Loan Details
- Loan Amount: £10,000 – £2 million
- Rates: Custom pricing based on risk
- Terms: 3 months – 7 years
Eligibility
- Minimum 12 months trading
- UK-based business
- At least one UK director
Pros
- Larger loan limits
- Flexible structures
- Revenue-based funding options
Cons
- Pricing varies significantly
- More documentation required
Best For
Businesses seeking larger unsecured loans or flexible funding structures.
5. LendingCrowd
LendingCrowd is a UK peer-to-peer lending platform focused on supporting SMEs. Since LendingCrowd launched in 2014, the platform has delivered more than £545 million of lending to SMEs across Britain.
Key Loan Details
- Loan Amount: £75,000 – £500,000
- Rates: From ~6.9% APR
- Terms: 6 months – 5 years
Eligibility
- Minimum 2 years trading
- £100k+ annual turnover
Pros
- Competitive rates
- Transparent lending process
- No early repayment fees
Cons
- Personal guarantees often required
- Higher minimum loan size
Best For
Established SMEs seeking mid-size loans with competitive rates.
6. Momenta Finance
Momenta Finance provides tailored SME funding solutions, supported by partners including Barclays and Quilam Capital.
Key Loan Details
- Loan Amount: £50,000 – £250,000
- Terms: 6 – 60 months
- Funding Speed: A few days
Pros
- Flexible loan structures
- Transparent pricing
- Strong SME focus
Cons
- Personal guarantees often required
- Rates vary depending on risk
Best For
Businesses seeking tailored financing solutions rather than standard loans.
7. MCL Finance (Mycashline)
MCL Finance specialises in fast small business loans and merchant cash advances for UK SMEs.
Key Loan Details
- Loan Amount: £5,000 – £100,000
Terms: 1 – 24 months - Funding Speed: Same day possible
Pros
- Quick funding
- Smaller loan sizes available
- Flexible repayment options
Cons
- Higher interest rates
- Personal guarantees required
Best For
Small businesses needing short-term working capital.
8. Swishfund
Swishfund focuses on fast, short-term business loans with quick decisions and funding. They have supported over 7000 businesses and lent over £350 million.
Key Loan Details
- Loan Amount: £5,000 – £1,000,000
- Terms: 3 – 24 months
- Funding Speed: Often within 24 hours
Pros
- Fast approvals
- Flexible lending criteria
- Large maximum loan size
Cons
- Short repayment terms
- Personal guarantees may be required
Best For
Businesses needing rapid short-term funding.
Eligibility Requirements for Unsecured Business Loans UK
Most lenders assess several factors before approving an unsecured business loan:
1. Trading History
Most lenders require 6–24 months of trading.
2. Business Revenue
Typical minimum turnover:
- £50k annually
3. Credit Profile
Both business and director credit scores are assessed.
4. Personal Guarantees
Many unsecured loans require personal guarantees from directors, even when no physical assets are pledged.
5. UK Business Registration
Applicants must usually be:
- UK-registered businesses
- With a UK business bank account
How to Choose the Best Unsecured Business Loan Lender
Choosing the right lender depends on your business situation. Because the UK unsecured lending market includes a wide range of fintech lenders, specialist SME funders, and alternative finance providers, comparing options independently can be difficult. Working with a broker can significantly improve the chances of securing suitable funding while saving business owners time navigating multiple lenders individually.
1. Funding Purpose
Start by identifying exactly how the funding will be used. Different lenders structure loans differently depending on the purpose of the financing. Some lenders are better suited for short-term cash flow support, while others are structured for longer-term growth funding.
2. Required Loan Amount
Loan amounts available from unsecured lenders vary significantly. Your turnover, credit profile, and trading history will influence how much you can realistically borrow. A broker can help identify lenders whose risk appetite aligns with your funding requirements.
3. Speed of Funding
Funding timelines vary widely between lenders. Some finance providers can release funds within 24–48 hours, while others require a longer underwriting process that may take several days.
4. Repayment Structure
Unsecured business loans can have different repayment models. The right structure depends on your business’s cash flow. Companies with seasonal revenue or fluctuating sales may benefit from more flexible repayment options.
5. Trading History and Turnover
Some lenders focus on established SMEs, while others specialise in younger businesses with shorter trading histories.
6. Credit Profile
Both business and director credit histories are typically reviewed for unsecured lending. While strong credit can unlock lower interest rates, many alternative lenders take a more holistic view of a business. This is another area where a broker can help identify lenders whose criteria match your profile.
7. Personal Guarantees
Although unsecured loans do not require physical collateral, many lenders require personal guarantees from directors. This means directors may become personally liable for the debt if the business cannot repay it. Understanding this risk is an important part of evaluating unsecured finance options.
Pros and Cons of Unsecured Business Loans
Advantages
- No collateral required
- Faster approvals than bank loans
- Flexible funding options
- Suitable for SMEs and growing businesses
Disadvantages
- Higher interest rates than secured business loans
- Personal guarantees often required
- Lower borrowing limits compared to secured business loans
Final Thoughts
Unsecured business loans have become one of the most accessible funding options for UK SMEs. With many alternative lenders now competing in the market, businesses can choose from a wide range of flexible financing solutions.
The best lender for your business depends on factors such as:
- Loan amount required
- Speed of funding
- Credit profile
- Trading history
By comparing lenders carefully and understanding the terms offered, businesses can secure funding that supports growth, stability, and long-term success.
