Home (Residential) – What we can do for you…

Why worry about packing up your computer and hauling it off to a shop for repairs or support, when you have a IT service provider who is willing to come to you? When virus and spyware surface or other computer headaches pop up, you can call Grant-Tech to deliver prompt, expert PC service on-site. Want to improve your computer’s performance with an upgrade, get those pesky adware pop-ups under control, install a wireless network, or just learn how to use your computer more effectively, we can help!

    1. On-Site Service and Repair
    2. Upgrades
    3. Networks
    4. Virus/Spyware Detection and Removal
    5. Data Backup and Storage
    6. Preventive Maintenance
    7. One-On-One Training
    8. Computer Repair – Chicago and Surrounding Suburbs

Office (Commercial) – What we can do for you…

Grant-Tech, your one-stop shop for all your computer and network support needs. Supporting small and medium-sized businesses who have limited or no IT staff available, is our specialty. Your business is not to worry about your computer systems, your business is to focus on marketing your product or services to your customers. As your Partner, Grant-Tech delivers on-demand, on-site computer and network services that are convenient and reliable. Our commitment to quality customer service has made us the most respected on-site computer repair and support provider in Illinois.

    1. Repair & Troubleshooting
    2. Network Services
    3. Broadband Installation
    4. Customized Service Plans
    5. Virus/Spyware Detection and Removal
    6. Firewalls and Internet Security
    7. Voice Over Internet Protocol (VoIP) Phone Solutions
    8. One-On-One Training
    9. Computer Repair – Chicago and Surrounding Suburbs

Windows Server 2003 Countdown

Microsoft no longer supports Windows Server 2003.


Were you able to upgrade or replace your servers before the July 14, 2015 deadline for Windows Server 2003? If not, give us a call at (773) 675-1423 because your systems and data are at risk.

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