Rezku company

Rezku is a technology initiative created by Guest Innovations founder and veteran restaurateur Paul Katsch to bring affordable, easy to use technology to independent restaurant owners. We aim to be the best restaurant management software and hardware company in the business by providing feature-rich intuitive apps, concierge-level customer support and service, and reliable technology that restaurant owners can count on.

About us

Visit Guest Innovations' main website and find out more about the company that started it all. We offer many products and services with the same level of dedication and service that drives us to do all things. We hope to be of service to you in many ways and earn your trust and your business for years to come.



If you live in the Sacramento Valley and you are interested in working for a dynamic, growing company, this may be the place. Expectations are high, personal growth and career growth are tied together, and you have the opportunity to truly make a difference. If doing things the right way appeals to you, then take a look at our career page and apply for a position you're knowledgeable in. We're always looking for rockstar programmers, empathetic support agents and salespeople to put our customers' needs first.



We'd love to see you! Trade shows and events are where we get to meet you face to face and show you how Rezku can really help your restaurants. You'll see that we're not all talk and truly put our words into action. Come on by the booth, pick up an iPad and see for yourself the Rezku difference. It's that amazing! A software system you can teach your team in minutes. We have affordable, high-quality hardware, service plans to fit any budget and a dedicated team of support agents.


Partners & integrators

Our partnerships make us stronger. We choose partners who help us deliver on our commitment to providing our restaurant clients with the best possible system. We have close relationships with some of the industry's most trusted names, like Epson, Apple, Ingenico, and Vantiv. Together, we create a greater experience for you. If you're interested in partnering with us or have a software or hardware integration request, please submit it here.


Privacy policy

Our privacy policy explains how we use the information you provide to us. We are invested in protecting the personal data that you share with us. We also use your feedback and comments to do a better job of serving you. That could mean that your opinions shape the future of Rezku and the other products and services that we provide. Very often, the direction we take our products is the direct result of the valuable feedback and requests made by our restaurant partners.


Terms of use

This is the typical "fine print," but we don't print it tiny at the bottom of a random page. The terms of use are worth taking a look at. We take our obligation to our customers very seriously and value honesty. That's why we make our terms of use easy to read and in plain language. Our utmost goal is to serve you well, and the terms of use allow us to do that.


Rezku is a trademark of Guest Innovations, Inc. “Making Restaurants More” is a service mark of Guest Innovations, Inc. iPad, iPhone, and iPod Touch are the trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple, Inc. Android is a registered trademark of Google. Windows is a registered trademark of Microsoft. Other logos & trade names are the property of their respective owners. Use of Rezku POS and this website are subject to Terms of Use and Privacy Policy.