How do you choose a payment processor for a small business?

Ascent Vision · Published October 28, 2026

Choose a payment processor by asking for the answers in writing: how every fee is charged and shown, how many days pass before a sale reaches your bank, when money can be held, how disputes work, how long the contract runs and how you leave it, and whether any equipment is bought or leased. Take copies of every document before you sign. This answer names no processors and quotes no rates.

Fees: how they are charged and where you can see them

As general advice, ask for every fee in one written list, not only the headline rate. Ask what is charged on each sale, what is charged monthly or yearly, and what is charged for events that happen less often, such as a disputed payment or closing the account. Then ask where each fee will appear on your statement, so you can compare the first month with what you were told.

When the money arrives, and when it can be held

How many days pass between a sale and the money reaching your bank account, and whether weekends and holidays count.
Whether the processor can hold funds or ask for a reserve, under what conditions, and how you would be told.
What happens when a customer disputes a charge: what you must send, by when and what it costs you. Read this in the agreement rather than relying on a salesperson's summary.

Contract length, equipment and leaving

Ask how long the contract runs, whether it renews by itself, what notice you must give and what ending it early involves. If a card reader or terminal comes with it, ask whether you are buying it or leasing it, for how long, who owns it at the end and whether a lease can be ended early. Ask whose name the account is in; it should usually be the business's.

Ask what you could take with you if you left. The related answer on switching business software notes that saved card details often cannot be exported, so ask both vendors what happens to them. Ask too what it connects to, such as your invoicing or booking tool; the related answer on which business tools to connect lists what to check for invoices and payments.

What the FTC warns about

The FTC's guide to scams aimed at small businesses has a section on credit card processing and equipment leasing. It describes scammers who promise lower processing rates or better equipment-leasing deals and use fine print, half-truths and outright lies to win a signature. It says some sales agents ask owners to "sign blank documents" and others have been known to change terms after the fact.

The FTC advises asking the salesperson for copies of all documents right then, and says a refusal, or a promise to send them later, could be a sign you are dealing with a scammer. That describes scams, not every sales agent.

Card security and your vendors

The PCI Security Standards Council's merchant page advises you to "Hire qualified and trusted partners" and links a list called "Questions to Ask your Vendors", which it describes as specific questions to ask the vendors small businesses rely on, to make sure they are protecting customer payment data. As general advice, ask the processor which card-security tasks it handles and which stay with you. The related answer on taking payments on a website covers the card-safety side.

Sources

Business systems and integrations

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