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Fattmerchant - Payment Processing Software

Fattmerchant Reviews in May 2025: User Ratings, Pros & Cons

Revolutionize your business transactions with Fattmerchant.

4.3

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Fattmerchant Reviews & Ratings

4.3

Very Good

Based on 716 ratings & 183 reviews

Rating Distribution

Excellent

(145)

Very Good

(3)

Good

(1)

Poor

(6)

Terible

(28)

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Showing 91-100 out of 183

B

Barry

12/29/21

5 out of 5

Best Alternative for the Money

I am a CPA. I researched various major credit card processors for a client who does several million dollars per year in credit card sales and found that Stax by Fattmerchant was the best. First, they offered the best rates of the companies that I researched, even including their monthly fee of $399. Furthermore, they have very responsive customer service and training personnel. Finally, they made good when they did make minor errors during the initial migration. I highly recommend them.

J

Joshua

12/29/21

5 out of 5

Stax is really the best!

Stax is really the best virtual terminal and reporting database I have ever used in this space. And I have used lots of them. The portal is super clean, attractive and the ui is unbeatable. A new user can pick it up in an hour or so. Very little learning curve.

M

Michael

12/29/21

5 out of 5

Easy to use

Easy to use, great customer service.

B

Barry

12/29/21

5 out of 5

Best Alternative for the Money

I am a CPA. I researched various major credit card processors for a client who does several million dollars per year in credit card sales and found that Stax by Fattmerchant was the best. First, they offered the best rates of the companies that I researched, even including their monthly fee of $399. Furthermore, they have very responsive customer service and training personnel. Finally, they made good when they did make minor errors during the initial migration. I highly recommend them.

J

Joshua

12/29/21

5 out of 5

Stax is really the best!

Stax is really the best virtual terminal and reporting database I have ever used in this space. And I have used lots of them. The portal is super clean, attractive and the ui is unbeatable. A new user can pick it up in an hour or so. Very little learning curve.

M

Michael

12/29/21

5 out of 5

Easy to use

Easy to use, great customer service.

B

Barry

12/29/21

5 out of 5

Best Alternative for the Money

I am a CPA. I researched various major credit card processors for a client who does several million dollars per year in credit card sales and found that Stax by Fattmerchant was the best. First, they offered the best rates of the companies that I researched, even including their monthly fee of $399. Furthermore, they have very responsive customer service and training personnel. Finally, they made good when they did make minor errors during the initial migration. I highly recommend them.

J

Joshua

12/29/21

5 out of 5

Stax is really the best!

Stax is really the best virtual terminal and reporting database I have ever used in this space. And I have used lots of them. The portal is super clean, attractive and the ui is unbeatable. A new user can pick it up in an hour or so. Very little learning curve.

M

Michael

12/29/21

5 out of 5

Easy to use

Easy to use, great customer service.

B

Barry

12/29/21

5 out of 5

Best Alternative for the Money

I am a CPA. I researched various major credit card processors for a client who does several million dollars per year in credit card sales and found that Stax by Fattmerchant was the best. First, they offered the best rates of the companies that I researched, even including their monthly fee of $399. Furthermore, they have very responsive customer service and training personnel. Finally, they made good when they did make minor errors during the initial migration. I highly recommend them.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].