Trusted IT Solutions for Decatur Businesses

Illini Tech Services has proudly supported businesses across Central Illinois—including those right here in Decatur—for more than two decades. As a full-service IT provider, we deliver personalized solutions such as on-site technical assistance, remote helpdesk services, co-managed IT support, and small business tech management. From configuring secure business email and managing servers to supporting QuickBooks and setting up video surveillance systems, our team ensures every component of your IT environment is covered. We offer prompt troubleshooting, long-term strategy, and everything in between—so you can focus on growing your business with confidence.

Our Services

  • Managed IT Services

    We help businesses in Decatur stay productive with our proactive approach to IT management. Our team monitors network health, maintains server infrastructure, and provides dependable tech support when you need it. We also conduct detailed IT audits, security evaluations, and ensure your business stays compliant with standards like HIPAA and PCI. With Illini Tech Services, you get a dedicated IT partner committed to your uptime and peace of mind.

  • VoIP Phone Solutions

    Enhance your communication with powerful VoIP phone systems, professionally installed and supported by our local team. Whether you're upgrading outdated systems or starting fresh, we provide scalable voice solutions that keep your team connected. Decatur businesses benefit from both hands-on setup and reliable, ongoing service from a partner who’s close by.

  • Cybersecurity Services

    Today’s threats demand more than basic protection. We deliver layered cybersecurity services tailored for businesses of all sizes—including firewall configuration, email security, and detailed threat assessments. For companies needing to meet strict compliance standards, we also offer expert-level penetration testing and help ensure alignment with HIPAA, PCI-DSS, and other regulatory frameworks.

  • Network Infrastructure Services

    From low-voltage structured cabling to deploying Ubiquiti UniFi networking solutions, we design and implement a robust IT infrastructure tailored to your needs. Our services cover everything from routers and switches to full-scale IT equipment installations, ensuring a high-performance network for your business.

  • Starlink Satellite Internet Installation

    For customers in rural or underserved areas, we offer Starlink Satellite Internet Installation as a standalone service. This advanced solution provides high-speed, reliable internet connectivity where traditional broadband might fall short. Our expert technicians ensure optimal equipment placement and network configuration, delivering the fast, stable connection your Decatur location or remote property needs.

  • Cloud & Office 365 Services

    Seamlessly transition to the cloud with our expert support. We provide Office 365 management and business email security, boosting productivity and protecting your communications. Our solutions are designed to integrate seamlessly with your existing IT environment and support your day-to-day operations.

  • Custom Web Development

    Establish a powerful online presence with our custom web development services. We design, build, and maintain websites that are secure, up-to-date, and optimized for search engines, ensuring your digital storefront reflects the quality of your business.

  • Video Security & Surveillance

    Safeguard your premises with advanced video surveillance solutions. Our high-definition security camera installations and monitoring systems provide comprehensive protection for your property, giving you peace of mind around the clock.

  • Software Support

    We offer expert support for common small business applications including Microsoft Office, Adobe Acrobat, web browsers, antivirus programs, QuickBooks, Peachtree (Sage), and more. For industry-specific software needs, we can also arrange specialized third-party support plans.

  • Residential & In-Shop Support

    In addition to serving businesses, we provide residential tech support and in-shop computer repair. Whether you’re managing a business or need help at home, our reliable service is designed to keep you running smoothly.

IT professional reviewing code on multiple computer monitors, representing Illini Tech Services’ advanced IT and security solutions

Our Support & Monitoring

  • Managed 24/7 Monitoring

    For customers enrolled in our Managed IT Service Plans, we offer round-the-clock network monitoring to proactively address issues as they arise.

  • Dedicated USA-Based Support

    All our clients benefit from our knowledgeable support team, available Monday through Friday from 8am to 5pm. Enjoy personalized assistance from experts who understand your business needs, with 100% USA-based support.

Close-up of a UniFi network switch with multiple Ethernet cables in a server rack, illustrating expert installation by Illini Tech Services

Why Choose Illini Techs?

  • Local Expertise & Fast On-Site Response

    Based in Central Illinois, our technicians understand the local business landscape and can provide prompt on-site support in Decatur when needed.

  • Trusted by a Diverse Clientele

    Our IT solutions are relied upon by small businesses, medium-sized enterprises, CPA firms, and residential customers alike, ensuring tailored support that meets a wide range of needs.

  • Official Partnerships & Industry Expertise

    As a certified Microsoft Partner and an authorized Ubiquiti Networks provider, we deliver industry-leading technology solutions backed by extensive expertise and strong vendor partnerships.

Close-up of a Microsoft 365 app menu on a tablet screen, featuring Outlook, OneDrive, Word, Excel, and Teams. Essential tools for secure business communication and email security.

Contact Us

Ready to enhance your IT infrastructure and cybersecurity? Contact Illini Tech Services today to schedule a free consultation or request a quote. We’re here to help your Decatur business – or even your home office – thrive with dependable IT support. Reach out using any of the following methods:

  • Phone: 217-854-6260
  • Email: [email protected]
  • Address: 21709 State Rte 4, Carlinville, IL 62626

Or simply fill out our online contact form, and our team will get back to you promptly. We look forward to partnering with you for all your IT needs!