Helcim

Helcim is a payment processor renowned for transparent, interchange-plus pricing with volume discounts. It offers a full suite including virtual terminal, invoicing, and a mobile card reader. It targets small to medium-sized businesses seeking honest pricing without long-term contracts. It has no monthly fees and rates start at interchange + 0.30% + $0.08.

It scores highly for its commitment to transparent pricing, excellent customer support (in-house, 24/7), and a feature-rich Commerce OS that grows with a business, making it a top value choice for cost-conscious merchants.