Top credit card processing companies for small businesses include Square, Helcim, PayPal, Stripe, Payment Depot and Shopify., Credit card processing is how a credit card payment is authorized and accepted in exchange for a good or service. As a customer, when you pay for an item in a store or even online, you might just , The Top 10 Best Credit Card Processing Companies of 2025 REVEALED. Payment processors are providers that enable merchants to accept credit card payments by facilitating the electronic fund transfers and serving as a go-between for cardholders, merchants, and the multiple other entities involved., Eliminate credit card processing fees with surcharging; Accept credit cards at 0% cost & keep 100% of sales; Enable customers to pay seamlessly online & in-person; Fully automated system for quicker deposits & payments; Industry-leading customer support available 24/7; Read Review, Legal Requirements for Credit Card Processing Companies. Legally, payment processing services should follow a set of laws and regulations related to charges, data privacy, security, dispute resolution, etc. There are a few mandatory financial regulations that credit card processing companies must comply with, which are outlined below., Payment processing has evolved significantly, from simple credit card transactions to complex omnichannel ecosystems. Today's leading processors must navigate regulatory frameworks across multiple jurisdictions while supporting diverse payment methods and currencies. The industry continues to co.