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About Express

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The Right Products. The Right Partner. The Right Outcomes.

Express Information Systems is one of Texas’ premiere technology solutions providers focused on finance and accounting. We provide the best integrated cloud and on-premise accounting software to help clients maximize efficiency within their organization, customers, vendors, and employees.

Express Information Systems assists customers with the entire process of migrating to a new ERP Financial Management System, beginning with discovery and project scoping through system selection, purchase, implementation, training, and support.

Our Financial Management Solutions Portfolio includes Sage Intacct, Microsoft Dynamics 365 Business Central, Microsoft Dynamics GP, Microsoft Azure, and ADP Workforce Now as well as Microsoft and Sage Intacct ISV Partner Products.

National Reach with a Local Feel

Founded in 1989, Express Information Systems brings depth, expertise, and value to its clients. As both a Small Business Enterprise and a Women’s Business Enterprise, we strive to be unique in the market by providing a high level of personal attention to our clients, on-site partner involvement, and deep industry expertise with a regional perspective for both private and public companies.

Enterprises like Express Information Systems are what laid the foundation for the technology industry in San Antonio. We succeeded in the dawning of a new age of technology and continually evolve to provide customers with tailored business solutions. It is because of this dedication to client satisfaction that Express Information Systems just celebrated its 32nd anniversary and is looking forward to welcoming many more.

Company Spotlight

Iris Schimke - President / CEO

Founder Iris Schimke first became enamored with computers while working in regional sales, recognizing how the right software could help make her weekly reports much faster and easier to compile. She launched Express Information Systems at both a pivotal and opportune time in San Antonio history… when computers were just starting to be a day to day resource for most business operations, and when the local tech industry was just emerging.

“Times change because people pioneer through them, San Antonio was not a technology town in 1989, now it is. Shifts like this don’t just happen, we worked to make them happen. We’re proud of who we’ve become as an organization, but more than that, we’re proud of what we’ve contributed to San Antonio’s identity and the growth of women in the technology industry.”

  1. 1989

    Company Founded as a Great Plains Software Partner

  2. 1992

    One of the first 50 Companies to sign as Microsoft Dynamics GP VAR Partner

  3. 2015

    Became a Sage Intacct VAR Partner

  4. 2019

    Sage Intacct Presidents Club

  5. 2019

    Celebrating 30 years and still going strong…

Working with the BEST!

We help mid-market companies at all stages find more time in their day. Our diverse clientele spans the industries of manufacturing and distribution, healthcare, hospitality, nonprofits, and more.

  • Express Information Systems is informative, and they know what your needs are before you even tell them. They’re just awesome! When we call for other software recommendations, they know exactly what we’re used to because we’ve been working with them for more than 23 years.

    Barshop Jewish Community Center

  • I can’t imagine working without Express and the tools they provide, in order to get the workload done, I don’t think it would be possible. I feel like I have a team behind me and I’m not out there by myself. I’ve worked with a lot of companies and I’ve never been as satisfied as I am with Express.

    Little Caesar's

  • With Express Information Systems involved, if I didn’t know anything about it, their consulting team could come in and take care of it for me. And, their staff has been around for years. If you’re going to get this kind of software, it’s nice to get one you can depend on!

    Urology San Antonio

  • Working with Express for over 15 years has been a breathtaking relief from an accounting standpoint. It’s an easy experience as the staff tenure is reliable allowing us to continue using Great Plains while customizing it to our needs as we’ve grown from only 1-2 locations, to now over twenty.

    Touchstone Communities

  • I feel like we have a true Business Partner with Express Information Systems and fully expect them to be helping us realize our goals over the long term. I’d highly recommend them for anyone that wants to evaluate their current business systems and processes and see what can be done better.

    Mission Ridge Range and Academy

  • As a large church, we wanted information systems that would be flexible and allow us to manage multiple locations at the same time. Express Information Systems understood our issues, understood our problems, and was able to help us resolve them.

    Community Bible Church

  • Everyone at Express has been great and responsive. Sage Intacct definitely saved me a lot of time overall. All the new improvements including being able to access important files remotely have made my daily operations super easy.


  • Everyone at Express Information Systems has been absolutely fantastic to work with! But what I like best is the consistency of the staff and consultants. I have dealt with the same people from day one and it’s been about 20 years. I love that!

    Mexican American Unity Council

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