Best Payment Processing Companies 2026: Complete Guide
Expert analysis of Leaders Merchant Services, Worldpay, Clover, Payment Depot, Stax, Stripe, and more. Find the lowest fees and best features for your business.
Jan. 6, 2026Read comparison
Compare Payment Processors: Real 2026 Rates for $25K to $5M Merchants
Updated May 2026
Get a vetted shortlist in 60 seconds
Tell us what you sell. We send back 3 matched processors plus the questions to ask before you sign.
12 Payment Processors at a Glance — 2026 Real Rates
Published 2026 rates for the U.S. market. IC = interchange (the card-network fee, typically 1.3-2.3% — passed through). For your effective rate, use the fee calculator.
| Processor | Online rate | In-person rate | Monthly fee | Best for |
|---|---|---|---|---|
| Stripe | 2.9% + $0.30 | 2.7% + $0.05 | $0 | Online-first, developer teams |
| Square | 2.9% + $0.30 | 2.6% + $0.10 | $0 | Retail / POS, $0-$80K monthly |
| PayPal | 2.99% + $0.49 | 2.29% + $0.09 | $0 | Checkout conversion (5-10% lift) |
| Helcim | IC + 0.40% + $0.08 | IC + 0.30% + $0.08 | $0 | Transparent IC-plus, >$25K/mo |
| Stax (FattMerchant) | IC + $0.18 | IC + $0.10 | $99-199 | Subscription pricing, >$80K/mo |
| Payment Depot | IC + 0.20% | IC + 0.15% | $79-199 | High volume members, >$100K/mo |
| Clover | 2.3-3.5% + $0.10 | 2.3-2.6% + $0.10 | $0-$60 | All-in-one restaurant / retail POS |
| Authorize.net | 2.9% + $0.30 | N/A (gateway) | $25 + $0.10/tx | Gateway-only, BYO processor |
| Braintree | 2.59% + $0.49 | 2.29% + $0.09 | $0 | Subscription + marketplace |
| Adyen | IC + 0.60% + $0.13 | IC + 0.50% + $0.13 | Custom | Enterprise / global / >$1M/mo |
| Shopify Payments | 2.4-2.9% + $0.30 | 2.4-2.7% + $0.00 | Plan-bundled | Shopify stores only |
| Worldpay | Negotiated | Negotiated | Custom | Mid-market enterprise, >$500K/mo |
Rates pulled from each processor's public pricing page as of May 2026. Custom-negotiated rates differ. Effective rate (what you actually pay) usually runs 0.20-0.60% above sticker due to card mix and hidden fees.
Square vs Stripe: Which Payment Processor Is Right for You?
In-person POS vs online payments. A comprehensive breakdown of fees, features, and best use cases to help you decide which platform suits your business model.
Nov. 15, 2025Read comparison
PayPal vs Square: Complete Comparison for Small Businesses
Online payments & international reach vs in-person POS excellence. Compare transaction fees, hardware costs, and features for retail and e-commerce.
Nov. 12, 2025Read comparison
Stripe vs PayPal: Developer Tools vs Consumer Trust
Which payment gateway wins for online businesses? We compare APIs, subscription billing, international fees, and merchant experience.
Nov. 10, 2025Read comparison
Helcim vs Stripe: Transparent Pricing vs Advanced Features
Save 15-25% with Helcim's interchange-plus pricing or get powerful developer tools with Stripe. Find out which processor delivers better value for your business.
Nov. 8, 2025Read comparison