FIS Worldpay vs Square Payments comparison

FIS and Square are both solutions in the Payment Processing Software category. FIS is ranked #8, while Square is ranked #16. FIS holds a 4.1% mindshare in PPS, compared to Square’s 1.3% mindshare.

FIS Worldpay

551 Views
551 Comparison Views

Square Payments

154 Views
154 Comparison Views

FIS Worldpay

Square Payments

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

FIS Worldpay

Ranking in Payment Processing Software

8th

Average Rating

0.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Square Payments

Ranking in Payment Processing Software

16th

Average Rating

0.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of October 2025, in the Payment Processing Software category, the mindshare of FIS Worldpay is 4.1%, down from 4.4% compared to the previous year. The mindshare of Square Payments is 1.3%, up from 0.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Payment Processing Software Market Share Distribution
Product	Market Share (%)
FIS Worldpay	4.1%
Square Payments	1.3%
Other	94.6%

Payment Processing Software

Top Industries

By visitors reading reviews

Financial Services Firm

14%

Computer Software Company

11%

Insurance Company

Comms Service Provider

No data available

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

No data available

Comparisons

Adyen vs FIS Worldpay

Compared 25% of the time

Cybersource vs FIS Worldpay

Compared 17% of the time

PayPal vs FIS Worldpay

Compared 15% of the time

Stripe Payments vs FIS Worldpay

Compared 13% of the time

More FIS Worldpay Competitors

PaySimple vs Square Payments

Compared 54% of the time

More Square Payments Competitors

Overview

An online merchant account allows businesses to accept credit and debit card payments. At Worldpay, we can set up your merchant account and provide you with the payment products required to start taking card payments.

FIS

Accept every payment quickly, easily, and securely.

Square

Sample Customers

Heritage Bank, Bank Leumi USA

FLAMIN DOGS

See our list of best Payment Processing Software vendors.

We monitor all Payment Processing Software reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.