Fast Funding11 min read

Fast Business Loans UK: Get Funding in 24 Hours (2025 Guide)

Need business funding urgently? Compare same-day and 24-hour approval options. Merchant cash advances, bridging loans, and quick lenders that fund within 48 hours.

Fastest Funding Options 2025

  • Fastest: Merchant Cash Advance (24-48 hours, up to £500k)
  • Best rates: Invoice Finance (24-72 hours, 1.5-4% fee)
  • Largest amounts: Bridging Loans (3-7 days, £50k-£25m)

6 Funding Options Delivering in 24-48 Hours

1. Merchant Cash Advance (MCA) - 24-48 Hours

Speed: ⚡⚡⚡ Fastest

MCAs are the quickest business funding available with approval in 24 hours and funds in 24-48 hours. Based on card sales, not credit score.

Who provides:

  • Kriya (formerly Funding Options)
  • Fleximize
  • iwoca
  • Liberis
  • PayPal Working Capital

Amounts: £3,000 - £500,000

Cost: Factor rate 1.15-1.45 (effective APR 25-80%)

Requirements: £5,000+ monthly card sales, 6 months trading

Timeline:

  • Application: 15 minutes online
  • Decision: 4-24 hours
  • Funds: 24-48 hours after approval

2. Invoice Finance - 24-72 Hours

Speed: ⚡⚡⚡ Very Fast

Borrow against unpaid B2B invoices. Receive 80-90% advance within 24 hours.

Who provides:

  • MarketFinance (fastest - same day possible)
  • Capitalise
  • Skipton Business Finance

Amounts: £1,000 - £10 million (per invoice)

Cost: 1.5-4% discount fee

Requirements: B2B invoices, creditworthy customers

3. Online Business Loans - 48-72 Hours

Speed: ⚡⚡ Fast

Digital-first lenders use algorithms for instant decisions and quick funding.

Who provides:

  • iwoca (fastest UK online lender)
  • Funding Circle
  • Capitalise
  • Fleximize

Amounts: £1,000 - £500,000

APR: 6-30% depending on credit

Timeline:

  • Application: 10-20 minutes
  • Decision: Instant to 24 hours
  • Funds: 48-72 hours

4. Business Credit Cards - Instant Credit Line

Speed: ⚡⚡⚡ Immediate (if approved)

Apply for business credit card and use immediately upon approval. Some providers offer instant decisions.

Who provides:

  • American Express (often instant approval)
  • Capital on Tap (fast decisions)
  • Barclaycard Business

Limits: £1,000 - £25,000

APR: 0% (if paid in full monthly) or 18-35%

5. Overdraft Extension - Same Day

Speed: ⚡⚡⚡ Fastest (for existing customers)

If you have an existing business bank account, requesting an overdraft increase can be approved same day.

Who provides:

  • Barclays Business (existing customers)
  • HSBC Business (existing customers)
  • Lloyds Business (existing customers)

Amounts: £1,000 - £25,000 (overdraft increases)

Interest: 8-15% APR typically

6. Bridging Loans - 3-7 Days

Speed: ⚡⚡ Moderate

For property-related funding, bridging loans provide large sums quickly secured against property.

Amounts: £50,000 - £25,000,000

Rates: 0.5-1.5% monthly (6-18% APR)

Timeline: 3-14 days typical

What You Need to Apply (Checklist)

To speed up approval, have these ready:

  • 6 months bank statements (business account)
  • Photo ID (passport or driving licence)
  • Business proof (Companies House registration or UTR)
  • Address proof (utility bill or lease)
  • Financial statements (if limited company)
  • Clear purpose (what funding is for)
  • Repayment plan (how you'll repay)

How to Choose Fast Funding

Decision Framework

  • Need funding TODAY: Request overdraft extension (existing bank customers)
  • Need £3k-£50k in 24-48h: Merchant Cash Advance (if you take card payments)
  • B2B with unpaid invoices: Invoice Finance (24-72 hours)
  • Need £100k+ quickly: Bridging loan (3-7 days if property available)
  • Small amounts (under £10k): Business credit card (instant if approved)

Cost of Speed: What You Pay for Fast Funding

Fast funding is more expensive than traditional bank loans:

Funding TypeSpeedTypical APR
Bank Loan2-4 weeks4-8%
Online Loan (iwoca)48-72 hours6-15%
Invoice Finance24-72 hours15-35%
Merchant Cash Advance24-48 hours25-80%
OverdraftSame day8-15%

Trade-off: Speed costs money. Expect to pay 2-5x more for 24-hour funding vs traditional 3-week bank loans.

When Fast Funding Makes Sense

Fast funding is expensive. Only use for:

  • Emergency cash flow gaps - Payroll, urgent supplier payments
  • Time-sensitive opportunities - Bulk purchase discounts, urgent orders
  • Avoid worse consequences - Late payment fees, lost contracts
  • High-ROI investments - Clear path to quick repayment

Don't use for: General expansion, non-urgent purchases, or situations where traditional loans are available. For longer-term funding, see our guide on working capital loans.

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Frequently Asked Questions

What is the fastest business loan in the UK?

Merchant cash advances are the fastest, with approval in 24 hours and funds in your account within 24-48 hours. Some providers can fund same-day for urgent cases.

Can I get a business loan in 24 hours?

Yes. Merchant cash advances, invoice finance, and some online lenders offer 24-hour approval. However, funding may take an additional 24-48 hours to reach your account depending on banking processes.

How much can I borrow with fast funding?

MCAs: up to £500k. Invoice finance: up to your invoice value. Online business loans: £1k-£500k. Bridging loans: £50k-£25m. Amount depends on your turnover and repayment ability.

Do fast business loans require good credit?

No. MCAs and invoice finance focus on revenue, not credit score. Online lenders vary - some accept credit scores as low as 450. See our bad credit business loans guide for options.

Are 24-hour business loans more expensive?

Yes, significantly. Fast funding costs 2-5x more than traditional bank loans. MCAs charge 1.2-1.5x factor rates (30-80% APR equivalent). You're paying a premium for speed and accessibility.

Conclusion

The fastest business funding in UK (2025):

  • Merchant Cash Advance: 24-48 hours, £3k-£500k, based on card sales
  • Invoice Finance: 24-72 hours, advance on unpaid invoices
  • Online Lenders: 48-72 hours, £1k-£500k, digital application

Remember: Speed comes at a cost. Fast funding typically charges 2-5x more than traditional bank loans. Use strategically for urgent situations with clear ROI.

Need Fast Business Funding?

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Sources

  • 1. British Business Bank Lending Statistics 2024
  • 2. Alternative Business Funding Association Data
  • 3. Lender websites - Timeframes verified January 2025