Pay $0 to Accept Credit Cards!
Get zero-cost credit card processing, free equipment and local support. Try us for free. No obligation or contract required!
Get your FREE Genius POS today.

Quick Service

Serve up orders fast and keep guests satisfied at the register, in the drive-thru or via mobile ordering with efficient, reliable restaurant tech. Expand your reach with out of the box integrations.
Full Service

Give guests a five-star experience and keep chaos off the line with improved wait times, check splitting, loyalty rewards, automatic coursing and real-time menu updates. Happier staff = happier guests.
Bar & Club

Let the good times roll with smooth, accurate pours and tabs. Quick transaction processing, flexible menus and automatic discounts and promotions help your guests kick back and relax.
Powerful restaurant POS software, paired with flexible hardware
Whether you sell in-store, online, or on the go, our connected POS solutions help you meet customers wherever they dine.
Countertop
Get flexible POS hardware and software that works like a tech-enabled extension of your waitstaff. Give diners an unforgettable experience – and keep them coming back – with tech-powered hospitality crafted for speed, accuracy and simplicity.

Handheld
Put a point of sale in the palm of your servers’ hands and watch them cover more tables in less time, reduce ordering errors and beef up tips. Designed for all restaurant types to sync front of house and back of house and do more with less.

Online
Genius has 100s of integrations, from third-party delivery services to customer loyalty programs.

Core Capabilities
Order Management
Dine-in, takeout, delivery, and online orders — all managed through one intelligent, unified interface.
Payments
Accept EMV, tap-to-pay, mobile wallets, QR, and more with secure, end-to-end processing on every device.
Analytics
Access real-time insights into sales, labor, trends, product mix, and multi-location performance.
Menu Control
Manage modifiers, combos, pricing rules, PLUs, and menu engineering with instant system-wide updates.
Enterprise Operations
Sync menus across locations, run consolidated reports, and manage roles with centralized control.
Customer Engagement
Drive loyalty with marketing tools, gift cards, customer data, and purchase history in one connected system.
Back-Office Automation
Streamline labor, scheduling, payroll integrations, and time tracking with built-in automation.
Workforce Tools
Manage permissions, clock-ins, schedules, and performance insights for every team member.
Why are more Businesses Switching to St. Louis Merchant Services?
Because keeping 3–4% of your revenue each month can mean the difference between surviving and scaling.
Keep 100% of Your Revenue
Eliminate up to 4% in monthly processing costs. This can equate to thousands of dollars every year.
Legally Vetted & Compliant
Structured to align with federal guidelines, card brand rules, and Missouri state regulations.
Clear & Transparent
Prices are openly displayed. No hidden fees. No misleading tactics. No upset customers. Just a choice of how and how much they want to pay.
Fast Installation
We offer a suite of plug-and-play POS systems and terminals. Most businesses are live within a couple of days.
What St. Louis Businesses Are Saying
Hear directly from local business owners across the greater St. Louis area who trust Saint Louis Merchant Services for reliable technology, transparent pricing, and responsive local support.
Call Us Direct:
We’ll review your current processing statement and show you:
There’s no obligation — just clarity.
Contact Us
Request your free savings analysis today.
*Terms & Conditions: Offer available to qualified merchants only and subject to approval. To be eligible, merchants must meet minimum monthly processing volume requirements as determined at the time of underwriting. Equipment provided may include a payment terminal or POS system and remains the property of the provider unless otherwise specified in writing. Merchant agrees to maintain an active processing account in good standing for the duration of the agreement term. Early termination, account closure, or failure to meet minimum processing requirements may result in equipment fees, replacement costs, or program termination. Offer applies to standard equipment models only. Additional hardware, upgrades, accessories, software, or premium POS configurations may incur additional costs. Shipping, handling, and applicable taxes may apply. This promotion cannot be combined with other offers unless explicitly stated. Availability may vary by business type, location, and risk profile. Program terms are subject to change at any time without prior notice.












