April 14, 2026
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Best £650K Working Capital Loan Lenders

Discover the best £650K working capital loan lenders in the UK. Compare interest rates, terms, and apply for the right loan to boost your business cash flow.
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Best £650K Working Capital Loan Lenders
Abdus-Samad Charles
Finance Writer

Abdus-Samad Charles is a finance writer and the Head of Content at Funding Agent, with four years’ experience creating practical, easy-to-follow, SEO-informed guidance for UK small and medium-sized businesses. He specialises in turning complex funding topics, like eligibility criteria, documentation requirements, approval timelines, and lender expectations, into clear, research-led resources that are easy to find and help business owners make confident, informed decisions.

Best £650K Working Capital Loan Lenders

For UK franchise buyers and operators, this guide compares loan periods and amounts, APRs, and terms across leading providers, with a focus on eligibility and fit. Amounts that could not be verified are left blank, prices accurate as of 2026-04-09.

1. Funding Agent

Funding Agent offers brokerage services to help UK SMEs find suitable business finance options quickly. It is typically suited for businesses seeking transparent, unsecured loans with various term options. The service emphasises ease of application and quick eligibility checks without requiring collateral.

Loan Details

  • Min Amount: £10,000
  • Max Amount: £1,000,000
  • Min APR: 4%
  • Max APR: 20%
  • Loan Duration: 3–60 months ⌛

Services & Industries

  • Finance Types: Unsecured business loans, MCA Loans, Working capital
  • Industries: UK SME's

Pros

  • fastest and easiest application process
  • No collateral required

Cons

  • lower track record, only trading 1 year

Sources: Funding Agent

2. Funding Circle

Funding Circle is a peer-to-peer lending platform focusing on small business loans. It suits franchise buyers and SME borrowers who prioritise quick lending decisions with access to unsecured credit. The platform offers competitive terms but depends on the peer lending environment.

Loan Details

  • Min Amount: £0
  • Max Amount: £750,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: Unknown ⌛

Services & Industries

  • Finance Types: Business Loans
  • Industries: Various

Pros

  • Quick decisions
  • Large maximum loan

Cons

  • Peer-to-peer model
  • Potential for higher rates

Sources: Source

3. White Oak

White Oak provides flexible business lending solutions for UK SMEs, often focusing on working capital and growth financing. It is appropriate for businesses seeking adaptable funding with flexibility in repayment options. The loans can be unsecured, with terms tailored to the borrower’s needs.

Loan Details

  • Min Amount: £0
  • Max Amount: £0
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: Unknown ⌛

Services & Industries

  • Finance Types: Business Loans, Working Capital
  • Industries: SMEs

Pros

  • Flexible solutions
  • Specialist provider

Cons

  • Eligibility criteria
  • May not suit all businesses

Sources: Source

4. Nucleus Commercial Finance

Nucleus Commercial Finance offers secured and unsecured lending options for UK businesses, tailored to various finance requirements. Suitable for borrowers who can provide collateral or seek flexible unsecured loans. Their process supports rapid decision-making and adaptable lending terms based on asset backing and business needs.

Loan Details

  • Min Amount: £3,000
  • Max Amount: £2,000,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: Unknown ⌛

Services & Industries

  • Finance Types: Secured Loans, Unsecured Loans
  • Industries: Various

Pros

  • Rapid decision
  • Flexible terms

Cons

  • Application process
  • Limits on amounts

Sources: Source

5. Iwoca

Iwoca provides short-term loans with fast access to funding for small UK businesses. It is well suited for borrowers needing flexible, unsecured working capital with straightforward online applications. Their offerings focus on rapid approval and manageable repayment terms aligned with business cash flow.

Loan Details

  • Min Amount: £1,000
  • Max Amount: £1,000,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: 1 to 24 months ⌛

Services & Industries

  • Finance Types: Short-term Loans
  • Industries: Various

Pros

  • No early repayment fees
  • Fast funding

Cons

  • Short loan terms
  • Interest rates can vary

Sources: Source

6. Tide

Tide specialises in larger business loans with a focus on fast applications and decisions without affecting credit scores. Suitable for SMEs requiring flexible, unsecured funding with no upfront collateral. Its process emphasises speed and ease of access through online platforms.

Loan Details

  • Min Amount: £0
  • Max Amount: £20,000,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: Unknown ⌛

Services & Industries

  • Finance Types: Business Loans
  • Industries: Various

Pros

  • Large loan amounts
  • Speedy process

Cons

  • May require partnerships
  • Not for all business types

Sources: Source

7. Fleximize

Fleximize is a multi-award-winning lender providing flexible SME loans tailored to business growth. It is appropriate for companies seeking bespoke financing solutions with flexible repayment schedules. Their products often adapt to borrower requirements including unsecured and secured options.

Loan Details

  • Min Amount: £5,000
  • Max Amount: £500,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: Unknown ⌛

Services & Industries

  • Finance Types: SME Loans
  • Industries: SMEs

Pros

  • Customer-trusted
  • Tailored products

Cons

  • Maximum amount limits
  • Eligibility requirements

Sources: Source

8. Century Business Finance

Century Business Finance provides straightforward, fast business loans for UK SMEs with a focus on quick approval. It fits businesses looking for simple terms and flexible funding without complex requirements. The lender supports a swift process for unsecured loans suited to smaller operations.

Loan Details

  • Min Amount: £10,000
  • Max Amount: £500,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: Unknown ⌛

Services & Industries

  • Finance Types: Business Loans
  • Industries: SMEs

Pros

  • Same-day approval
  • Simple application process

Cons

  • Maximum loan amount limits
  • Small business focus

Sources: Source

9. OakNorth Bank

OakNorth Bank specialises in bespoke bank loans for established businesses, often secured and tailored by sector. It is suited to borrowers needing significant loan amounts with asset backing, particularly in sectors such as real estate and healthcare. The bank emphasises customised lending and detailed underwriting.

Loan Details

  • Min Amount: £1,000,000
  • Max Amount: £0
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: Unknown ⌛

Services & Industries

  • Finance Types: Bespoke Loans
  • Industries: Real Estate, Healthcare, Hospitality, Manufacturing

Pros

  • Tailored solutions
  • Sector specialization

Cons

  • High minimum loan
  • Sector focus may limit options

Sources: Source

10. Allica Bank

Allica Bank offers business banking services including loans designed for growth-focused UK SMEs. It typically suits businesses requiring tailored financing from mid-size to larger amounts, with flexible repayment options. The bank aims to provide personalised support for growth and capital needs.

Loan Details

  • Min Amount: £150,000
  • Max Amount: £2,000,000
  • Min APR: 0%
  • Max APR: 0%
  • Loan Duration: Unknown ⌛

Services & Industries

  • Finance Types: Growth Finance
  • Industries: Various

Pros

  • Tailored packages
  • Growth focus

Cons

  • Minimum loan limits
  • Specific criteria

Sources: Source

How to choose

When choosing the best £650K working capital loan lenders, consider your business’s borrowing needs and eligibility criteria. Balance the loan amount and APR against your cash flow and repayment ability. Check lender speed, flexibility, and whether collateral is required to match your situation. Brokered platforms may provide access to multiple options quickly, while direct lenders might offer more tailored terms. Review fees, application complexity, and any early repayment penalties before deciding.

Conclusion

Matching a lender to your needs depends on loan type and business profile. Banks like OakNorth and Allica offer tailored loans suited to growth and secured finance. Brokers such as Funding Agent provide access to multiple options for unsecured loans, ideal for smaller or growth-stage borrowers. Specialist lenders accommodate flexible repayment types and sector-specific requirements. Funding Agent is a solid choice for those seeking rapid comparison and straightforward access to a range of offers for loans around 650 thousand pounds.

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FAQs

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1Funding AgentFunding Agent helps UK SMEs compare business finance options fast, with a simple application journey and quick eligibility matching.£10,000–£1,000,000; 4%–20% APR; 3–60 months
2Funding CircleFunding Circle is a peer-to-peer lending platform, providing small businesses access to loans up to £750,000 with fast decision times.£0–£750,000; 0%–0% APR; Unknown
3White OakWhite Oak offers business loans to UK SMEs, specializing in flexible funding solutions for working capital and growth.£0–£0; 0%–0% APR; Unknown
4Nucleus Commercial FinanceNucleus Commercial Finance provides secured and unsecured business loans with flexible options and quick applications for UK businesses.£3,000–£2,000,000; 0%–0% APR; Unknown
5IwocaIwoca offers flexible short-term loans for small businesses, ensuring quick access to funds with an easy online application.£1,000–£1,000,000; 0%–0% APR; 1 to 24 months
6TideTide provides business loans up to £20 million, focusing on quick application processes and no credit impact decisions.£0–£20,000,000; 0%–0% APR; Unknown
7FleximizeFleximize is a multi-award-winning lender offering flexible business loans to SMEs in the UK, tailored to support growth.£5,000–£500,000; 0%–0% APR; Unknown
8Century Business FinanceCentury Business Finance offers fast, straightforward business loans to UK SMEs, with a focus on quick approvals and flexible funding.£10,000–£500,000; 0%–0% APR; Unknown
9OakNorth BankOakNorth Bank specializes in bespoke business loans starting from £1 million, focusing on various sectors including real estate and healthcare.£1,000,000–£0; 0%–0% APR; Unknown
10Allica BankAllica Bank focuses on business banking, offering loans from £150,000 to £2 million with tailored finance packages for growth.£150,000–£2,000,000; 0%–0% APR; Unknown
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