Frictionless billing for professional services

Stax helps modernize professional service billing operations with seamless, secure payment solutions designed to increase revenue and drive growth for agencies, firms, and the platforms that support them. Whether you’re a professional service ISV, legal firm, or multi-location accounting group, we help simplify how your business bills, collects, and reconciles payments in office or within your software.

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Regulatory compliance

Stax features native compliance guardrails tailored to the professional services sector, including PCI DSS v4.0 and trust account (IOLTA) compliance.

Operational efficiency

Our modern payment infrastructure unifies invoicing, retainer management, and merchant processing, reducing administrative overhead and speeding up collections.

Evolving user expectations

Enhance the client payment experience with flexible, digital-first payment tools that help to streamline billing and increase client satisfaction.

Scalability and security

Stax solutions are engineered with security guardrails at every key touch point. We help professional services scale with compliant surcharging, transparent economics, and complex billing support, empowering firms and ISVs alike to increase margins and achieve payments-led growth.

Automated workflows

Stax delivers automated financial workflows tailored to the high-ticket, regulated environments of professional services. We help eliminate manual data entry, modernizing back-office collections, automating complex financial operations, and streamlining recurring billing processes.

Data-driven insights

We equip firms and ISVs with the comprehensive, data-driven insights they need to increase margins and drive user adoption. Stax provides direct firms with granular visibility into their operations with unified reporting in a single dashboard, while ISVs gain access to a dedicated partner portal and tailored APIs for real-time metrics.

Tailored solutions for every sector of professional services

SaaS

Legal

Accounting

Consulting

Real estate

Information technology

And more

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Navigate the payments space with Stax

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