About

Who We Are

XCS Consulting, Inc. leads the Chicagoland area in business telecommunications excellence. As a authorized Avaya and Nortel affiliate with offices in Oakbrook and Aurora we have nearly 100 combined years of experience installing, implementing and maintaining telephone systems. Our goal is simple: to provide our clients with the highest level of satisfaction possible by delivering the best products and services available at extremely competitive prices. With a client base that includes law offices, medical facilities, government contractors, financial institutions and non-profit organizations, our certified technicians and helpful support staff work with you to achieve your unique goals. We also have Insurance if needed.

At XCS Consulting, Inc. we provide, install and maintain all on PREMISE Avaya, Cisco & Nortel Telephone Systems. We can also help you with your Internet and Telephone services BILL and most times SAVE you MONEY to help you with your next system upgrade. If you need Cabling or Electrical Work we can do any job. Our current Business partner rate at this time is $85.00 per hour for phone work “on most systems” and $75.00 per hour for Cable work and we also do free site visits if needed. No job is to small and no job is to BIG so call us today!!

Year Founded

2018

Services Provided



  • Voice and Data Consulting
  • System Instalation
  • Cabling
  • Owner & CEO

    Dave Bonczkowski

    630-797-6613