Does Switching from a Sole Prop to an LLC Change Your Payment Processing Rates?

Upgrading to an LLC won't automatically lower your processing fees — but it creates the perfect opportunity to renegotiate. Here's exactly what changes and what doesn't.

Upgrading your business from a Sole Proprietorship to a Limited Liability Company (LLC) is a massive milestone. It usually means your business is growing, you want to protect your personal assets, and you are ready to formalize your operations.

But as you update your bank accounts and tax forms, you might be wondering: Will becoming an LLC lower my credit card processing rates?

The short answer is no — but the transition creates the perfect opportunity to lower your rates anyway. Here is exactly what happens to your payment processing when you make the switch.

The Reality of Interchange Rates

To understand why your entity type doesn't magically lower your fees, you have to look at how credit card rates are built. The core cost of every transaction is called the Interchange Rate.

Interchange rates are set by the major card networks (Visa, Mastercard, Discover, Amex). These networks base their rates on three main factors:

• Card Type: A premium rewards credit card costs more to process than a basic debit card.
• Processing Method: Swiping or dipping a card in person is cheaper than typing it into a website.
• Industry Risk: Certain industries (like travel or ticketing) carry a higher risk of chargebacks than others (like retail coffee shops).

Visa and Mastercard do not have a "Sole Proprietor Rate" or an "LLC Rate." Whether you are a one-person side hustle or a massive corporation, the base cost to process a specific rewards card is exactly the same.

How an LLC Status Can Impact Your Costs

While your base interchange rates remain the same, switching to an LLC can affect your overall payment processing costs in two major ways.

1. Unlocking B2B Processing (Level 2 and Level 3 Data)

If becoming an LLC means you will be doing more Business-to-Business (B2B) sales and accepting corporate credit cards, you can actually lower your processing rates. Processors offer lower rates for B2B transactions if you provide extra data at checkout (like invoice numbers or tax amounts). This is known as Level 2 and Level 3 processing. As an LLC, setting up your gateway to accept this data can significantly drop the high fees associated with corporate cards.

2. The Processor Markup and Underwriting Profile

When you switch to an LLC, you receive a new Employer Identification Number (EIN) from the IRS. Because merchant accounts are tied directly to your tax ID, you cannot simply change the name on your old account — you must undergo a new underwriting process and open a brand-new merchant account. During this process, a processor might view your LLC as a more stable, established entity than a Sole Proprietorship, which can sometimes result in a slightly more favorable risk profile.

The Hidden Opportunity: Renegotiation

Because changing to an LLC forces you to open a new merchant account, this is your golden ticket to lower your rates.

When you were a Sole Proprietor just starting out, you likely had zero processing history and had to accept whatever flat-rate or tiered pricing your provider offered. Now that you are an LLC with a proven track record of sales volume, you have leverage.

How to capitalize on the switch:

• Ask about Interchange-Plus Pricing: Request a rate offer on an Interchange-Plus pricing model if you are currently on a flat-rate or tiered structure. This is often one of the easiest ways to secure lower rates.
• Shop Your Volume: Take your last three months of processing statements and show them to competing processors. Let them fight for your new LLC's business.
• Renegotiate Software Fees: Use the transition to ask for waivers on monthly statement fees, gateway fees, or PCI compliance fees.

Summary: What Changes and What Doesn't

• Interchange Fees (set by Visa/Mastercard): No — based on card type and entry method, not entity type.
• Processor Markup: Maybe — if you use the switch as an opportunity to renegotiate.
• B2B / Corporate Rates: Yes — if you enable Level 2/3 processing through your gateway.
• Merchant Account: Yes — you must open a new account with your new EIN.

Transitioning from a Sole Proprietor to an LLC is the perfect time to audit your payment processing and stop overpaying. Use the forced account change as leverage to negotiate better, more transparent processing terms.