LAST UPDATED: May 1, 2025

Credit Card Processing Companies (4730)

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Sirq Merchant Solutions, L.C.

United States

View Reviews (0) | Write a Review

Revenue: Unknown | Year Founded: - | Firm Size: -

Core Services: Credit Card Processing

SIU Credit Union

395 North Giant City Road | Carbondale- Illinois- 62902 | 800-449-7301

View Reviews (16) | Write a Review

Revenue: $10 million - $50 million | Year Founded: 2015 | Firm Size: 100 - 250

Core Services: Credit Card Processing

SIX Group

Pfingstweidstrasse 110 | Zürich- Zürich- 8005 | 41 58 399 5111

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Revenue: $1+ billion | Year Founded: 2008 | Firm Size: 2,500 - 5,000

Core Services: Mobile Processing , Credit Card Processing , Online Credit Card Processing

SIX Payment Services

Marxergasse 1B | Vienna- Vienna- 60522-4554 | 43 1 717 01 0

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Revenue: $100 million - $250 million | Year Founded: 2013 | Firm Size: 1,000 - 2,500

Core Services: Credit Card Processing , Online Credit Card Processing

SIX Payment Services (Austria) GmbH

201 Hardturmstrasse | Zürich- Zürich- 8005 | 41 58 399 21 11

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Revenue: 650.0M | Year Founded: 2014 | Firm Size: 760

Core Services: Credit Card Processing

SIX Payment Services (Germany) GmbH

Langenhorner Chaussee 92- | Hamburg- Hamburg | +49 40 3259670

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Revenue: $3 million - $5 million | Year Founded: 2012 | Firm Size: 20+

Core Services: Credit Card Processing

SIX Payment Services AG

Hardturmstrasse 201- | Zurich- Switzerland | +41 58 399 91 11

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Revenue: $250,000 - $1 million | Year Founded: 2012 | Firm Size: 15+

Core Services: Credit Card Processing

SK Bank

Ul. Waska 18 | Wolomin- Masovian Voivodeship- 05-200

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Revenue: 75.0M | Year Founded: 2001 | Firm Size: 28

Core Services: Online Credit Card Processing , Credit Card Processing , Mobile Processing

Skrill

London- Guangdong Sheng | 44 20 7692 7991

View Reviews (17) | Write a Review

Revenue: $5 million - $10 million | Year Founded: 2001 | Firm Size: 72

Core Services: Mobile Processing , Credit Card Processing , Check Processing

As one of the world’s largest digital wallet providers, Skrill makes it easy for consumers to pay quickly with just an email address and password. Adding this facility to your checkout is simple and effective. As well as enabling you to accept card, bank and local payment methods, it connects you with 20 million existing Skrill wallet holders. Skrill has also developed 1-Tap, a single-click pay... View Profile

Skrill Limited

25 Canada Square- Floor 27 | London- England- E14 5LQ | 44 870 383 0232

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Revenue: $250 million - $500 million | Year Founded: 2001 | Firm Size: 2,500 - 5,000

Core Services: Payment Gateway , Multi-Currency Processing , Credit Card Processing

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