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Signature Payments Company Overview
Signature Payments is a merchant services brand operating as the DBA of EPX and functioning as a registered ISO and MSP of Westamerica Bank (Santa Rosa, CA) and Merrick Bank (South Jordan, UT). Headquartered in Westlake Village, California, the company specializes in processing solutions for small to midsize businesses across retail, e-commerce, and high-risk industries. Its offerings include omnichannel payment systems (in-person, online, and mobile), POS hardware and gateways, payment integration tools, recurring billing, invoicing, ACH capabilities, and specialized support for verticals with underwriting challenges such as adult services, firearms, nutraceuticals, bail bonds, and gaming. Signature Payments emphasizes flexible technology, “human-first” customer support, and simplified pricing without hidden fees.