How to pay vendors with a credit card in the UK

Quick answer

Use a bill payment service to pay vendors via bank transfer while funding the payment with your credit card. The vendor receives a normal bank transfer — they don't need to accept cards. You get 30-45 days of extra cashflow and earn rewards on every supplier payment.

The problem: vendors want bank transfers

Almost every UK supplier sends you an invoice with bank details and expects a BACS or Faster Payment. They don't have card terminals. They don't use Stripe. They want money in their bank account.

That means you're paying from your bank account on day 1, getting zero cashflow benefit and zero rewards. For most businesses, supplier payments are 50-80% of total expenses. That's a huge amount of spend earning you nothing.

Bill pay bridges the gap

Bill payment services solve this cleanly. You upload your supplier's invoice (or enter their bank details manually), pay with your credit card, and the service sends a bank transfer to the supplier.

From the supplier's side: a normal bank transfer arrives on time with the correct reference. They don't need to do anything differently. They don't even know you used a credit card.

From your side: 30-45 days of free cashflow float and credit card rewards on every payment.

How it works, step by step

  1. Receive an invoice from your vendor (PDF, email, whatever)
  2. Upload to a bill pay service (e.g. Incredible)
  3. Enter payment details — amount, supplier bank details, payment reference
  4. Pay with your credit card — Visa, Mastercard, or Amex
  5. Service sends bank transfer — typically same day or next business day
  6. Pay your credit card on your normal billing cycle (30-45 days later)

Total time per payment: about 3-5 minutes once you've saved the supplier's details.

The cost analysis

Bill pay services charge 1.5-2.5% per transaction. Whether this makes sense depends on what you're comparing it to:

| Financing method | Typical cost | On £10k/month | |------------------|-------------|---------------| | Bill pay + credit card | 1.5-2.5% | £150-250/month | | Business overdraft | 15-20% APR | £125-167/month | | Invoice finance | 5-15% | £500-1,500/month | | Business loan | 8-15% APR | £67-125/month | | Late payment penalties | Varies | Often £100+/invoice |

Bill pay is competitive with — or cheaper than — traditional financing. And unlike a loan, there's no application, no security, and no long-term commitment.

Factor in rewards earned (1-1.5% back), and the effective cost drops to 0.5-1.5%.

When it makes sense

Strong case:

  • You're paying £5k+/month in supplier invoices
  • You have seasonal cashflow gaps
  • You need to hit a credit card welcome bonus target
  • You're growing and need working capital without a loan

Marginal case:

  • You're paying a single, small vendor
  • Your cashflow is comfortable
  • The bill pay fee exceeds any rewards earned

Doesn't make sense:

  • You'd carry a balance on the card (APR will destroy any benefit)
  • The vendor already accepts card payments directly (skip the bill pay fee)

Managing multiple vendor payments

If you're paying several suppliers monthly, bill pay services let you:

  • Save supplier details — add bank details once, reuse for future payments
  • Schedule recurring payments — automate monthly vendor payments
  • Set payment dates — align with your credit card billing cycle
  • Track all payments — single dashboard for every vendor payment

This turns vendor payments from a cashflow drain into a managed, rewards-earning process.

Best cards for vendor payments

High volume, domestic suppliers:

International suppliers:

Maximising rewards:

See our full card comparison for a detailed breakdown.

Getting started

  1. List your top 5 vendors by monthly spend
  2. Sign up for a bill pay service
  3. Add your largest vendor first as a test
  4. Pay one invoice via credit card and confirm the vendor receives it
  5. Once comfortable, route all major vendor payments through the service

Start with your biggest supplier — that's where the cashflow and rewards impact is greatest. Once you've verified the process works, scale to all your regular vendors.