Master ISO
A master ISO is a senior-tier independent sales organization with direct contractual relationships with multiple MCA funders — typically managing sub-ISOs and brokers within a tiered distribution structure and earning override commissions on the volume of subordinate brokers.
Why This Matters
Master ISOs sit at the top of the MCA broker distribution hierarchy. Their value: direct funder relationships at preferential buy rates, processing infrastructure for high-volume submissions, and broker network management capabilities. Master ISOs typically recruit and onboard sub-ISOs, provide them deal-submission portals and training, and earn override commissions on sub-ISO volume. The model concentrates broker management overhead at the master tier while distributing sales execution across many sub-ISOs and individual brokers. Master ISOs typically need to demonstrate $5M+ monthly funded volume to secure direct funder contracts.
Frequently Asked Questions
Frequently Asked Questions
How does a master ISO make money on sub-ISO volume?
Override commissions — typically 10–25% of sub-ISO net commission paid to master ISO for processing infrastructure and funder-relationship value. Plus direct commissions on master-ISO-originated deals. Plus volume-based bonus tiers from funders.
Can a small broker become a master ISO directly?
Generally requires building sub-broker network and demonstrating sustained $5M+ monthly volume. Most direct master ISO relationships are with established firms. Smaller brokers typically operate as sub-ISOs under existing master relationships until reaching scale.