O3 Merchant Services, Inc., a registered ISO, located in Glendale CA, is a full-service payment processing company. O3 can help any organization implement a high-speed, secure payment processing solution. As a leading credit card processor, our company provides fast and secure card payment processing and transactions, excellent customer service and innovative payment options for retail stores, restaurants, mobile merchants, mail/phone order businesses and Internet businesses.
O3 delivers innovations in secure infrastructure, intelligence and insight for its customers, offering transaction-processing services for both small to medium sized businesses and individuals to enable businesses to expand their payment options with credit / debit cards and electronic checks in a retail, e-commerce or mail/phone order environment, without the typical high fees and contracts that you'll find from other providers. O3 supports its customers by helping them process and understand the intelligence behind every transaction to develop better solutions for the customers, making life simple, secure and efficient. We accept all major cards including MasterCard, Visa, American Express, Discover, Diners Club, JCB and other private label credit card companies.

O3 Merchant Services

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