Mechanic working under car hood
Programme open — 2026 season

Earn on
every litre

Professional mechanics and workshops get cashback on every Castrol product purchase. Upload your invoice, our system reads it, and the money hits your account.

View eligible products
0%
Average cashback rate
0 workshops
Enrolled across UK
£0/yr avg
Earned per workshop
0h
Typical payout time
Eligible products

The oils you already stock

Every litre of these Castrol products earns you cashback. No minimum order, no caps.

Cashback calculator

See what you
could earn

Adjust your monthly spend and see real-time projected earnings. Most independent workshops earn between £500–£1,500 per year.

Estimated annual cashback
£0
Based on 12% average rate
Join the programme

Two minutes.
Zero cost.

Register your workshop and start uploading invoices. There's no contract, no fee, no catch.

  • ⚡
    Instant activationUpload your first invoice the moment you register.
  • 🔎
    AI invoice readingOur OCR scans your receipt and finds Castrol products automatically.
  • 💳
    Real cashbackDirect bank transfer or prepaid card — your choice.
  • 📈
    Volume tiersThe more you buy, the higher your cashback rate climbs.

Create your account

Takes about 30 seconds

We send a one-time verification code here

Verify your number

Enter the 6-digit code sent to

No code? Resend

You're in,

Your workshop is registered. Upload your first invoice below and start earning.

Submit invoice

Snap it.
Upload it.
Get paid.

Take a photo of your Castrol invoice or delivery note. Our AI finds the products and calculates your cashback in seconds.

JPG, PNG, or PDF accepted
AI reads product names and quantities
Cashback credited within 48 hours

Drop your invoice here

or click to select a file

Choose file
Your dashboard

Everything in one place

Track your earnings, upload invoices, and withdraw cashback — all from your personal dashboard.

MT
Turner Auto Services
Gold Tier
£247.50
Available balance
£1,890.00
Total earned (2026)
42
Invoices processed
14%
Current tier rate
Monthly earnings