How to calculate an illustrative referral commission from a platform fee

Take the eligible platform fee SourceX collects, multiply by the program rate, and apply the per-company cap across all installments.

The method

  1. Start from the platform fee SourceX actually collects on the deal, not the total deal value. SourceX's fee varies by agreement.
  2. Remove anything that is not eligible fee: supplier payments, taxes, pass-through reimbursements, refunds and chargebacks.
  3. Multiply the remaining fee by the program rate (25%).
  4. Add up rewards already earned for the same company. The total across all installments cannot exceed $100,000.

Worked structure (illustrative)

Illustrative: use the referral earnings calculator and enter a hypothetical deal value and fee percentage. It shows the fee collected, your share, and where the cap applies, using the currently published program.

Common mistakes

  • Applying the rate to the full deal value.
  • Assuming every agreement uses the same fee percentage.
  • Counting an estimate as earned before the buyer's payment is received.

Estimated, eligible, approved, paid

An estimate is not an earning. A reward becomes eligible after the fee is collected, then needs approval, and shows as paid only once a payout is recorded.

Related

By SourceX Partnerships Team · Updated 2026-10-04

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