Working Capital Loans UK 2025: Complete Guide

Finance cash flow gaps, cover supplier payments, and manage seasonal business cycles. £5k-£500k with approval in 48-72 hours.

What is a Working Capital Loan?

Working capital loans provide short-term funding for day-to-day operations - not for buying assets. Used to cover:

  • Supplier payments - Stock purchase when cash is tied up
  • Payroll - Staff wages during slow periods
  • Seasonal gaps - Bridge quiet months
  • Unexpected expenses - Equipment breakdown, urgent repairs
  • Growth funding - Fulfill large orders requiring upfront costs

Types of Working Capital Finance

1. Short-Term Business Loan (3-18 months)

  • Amount: £5,000-£250,000
  • APR: 8-25%
  • Approval: 48-72 hours
  • Fixed monthly payments

2. Business Line of Credit

  • Amount: £10,000-£500,000 revolving credit
  • APR: 10-20% (pay only on used amount)
  • Approval: 1-2 weeks
  • Flexible draw-down and repayment

3. Invoice Finance

  • Amount: 80-90% of outstanding invoices
  • Cost: 1.5-4% discount fee
  • Approval: 24-72 hours
  • Repaid when customer pays invoice

4. Merchant Cash Advance

  • Amount: 1-3× monthly card sales
  • Cost: Factor 1.15-1.45 (25-80% effective APR)
  • Approval: 24-48 hours
  • Daily repayment from card sales

Who Provides Working Capital Loans?

Fast approval lenders (48-72 hours):

  • iwoca: £1k-£200k, 6-20% APR, 72 hours
  • Funding Circle: £10k-£500k, 6-18% APR, 2 weeks
  • MarketFinance: £10k-£750k, invoice & term loans
  • Capitalise: £3k-£500k, fast decisions

Cost Comparison

£20,000 for 6 Months (Cover Quiet Season)

OptionMonthly PaymentTotal Cost
Overdraft (15% EAR)Flexible£1,500
Working Capital Loan (12% APR)£3,558£1,348
Invoice Finance (3% fee)Flexible£600
Merchant Cash Advance (1.25x)Daily %£5,000

Cheapest: Invoice Finance (if you have B2B invoices)

When to Use Working Capital Finance

Good uses:

  • ✅ Seasonal stock purchase
  • ✅ Bridge payment terms gap (you pay suppliers in 7 days, customers pay you in 60)
  • ✅ Fulfill large unexpected order
  • ✅ Cover costs while awaiting payment

Bad uses (don't use working capital for):

  • ❌ Equipment purchase (use asset finance instead - cheaper)
  • ❌ Property (use commercial mortgage)
  • ❌ Long-term expansion (use term loan - lower rates)
  • ❌ Paying off existing debts (consolidation loans better)

Conclusion

Working capital loans solve temporary cash flow gaps (6-18 months). Best options:

  • B2B businesses: Invoice Finance (1.5-4%, cheapest)
  • Card-accepting businesses: Merchant Cash Advance (fastest, flexible)
  • General businesses: iwoca or Funding Circle (8-18% APR, fast)
  • Existing bank customers: Overdraft increase (cheapest if short-term)

Compare Working Capital Options

We'll match you with the most cost-effective working capital solution for your cash flow needs. Compare rates and get funded in 48-72 hours.

Compare Working Capital