Let’s talk about your technology
Whether you’re ready to get started, have a question, or are dealing with an active IT issue right now — KBCSI is reachable. When you call, you reach us directly.
📞 Main Phone
(773) 855-2155
Monday – Friday, 8:00 AM – 6:00 PM CT
Best for urgent issues and new inquiries
🚨 Emergency Line — 24/7
(773) 855-2155
For P1 emergencies only — active breaches, ransomware, full outages. Available 24/7. Save this number before you need it.
info@kbcsi.com
For non-urgent inquiries and proposals. We respond within one business day.
🕐 Support Hours
1507 E 53rd St, Suite 217
Chicago, Illinois 60615
Hyde Park neighborhood
Serving all of Chicago and the greater metro area
Send us a message
Tell us about your business and what you’re looking for. We’ll respond within one business day — no obligation, no sales pressure.
Prefer to talk first?
Call us directly
(773) 855-2155
Monday – Friday, 8:00 AM – 6:00 PM CT
What happens next
What to expect after you reach out
No automated nurture sequences. No sales calls from people who don’t know your business. Just a straightforward conversation.
Common questions
Before you reach out
Absolutely. We welcome calls from prospective clients at any time during business hours. Tell us about your business and what you’re looking for — we’re happy to have an informal conversation before you commit to anything.
P1 emergencies are situations where your entire business is unable to operate or an active security incident is underway — complete network outage, ransomware, or active data breach. For single-user issues or non-urgent requests, please call during business hours.
Yes — and we do this regularly. We offer free assessments regardless of whether you have an existing provider. We’ll give you an honest picture of your environment with no obligation to make a change.
Yes. KBCSI provides on-site support throughout Chicago and the greater metro area. For cabling, hardware installation, and physical security projects, on-site work is standard.