CSI Tech
Disclosure: this site is owned and operated by XL.net, a Chicago MSP that is itself ranked here. How we handle that conflict.
850 E Oak St, Lake in the Hills, IL 60156, USA · Website
★ 4.7 (51 reviews across 1 source)
Last updated: September 11, 2026
Our Assessment
CSI Tech currently ranks #84 of 94 active, scored IT providers in our Chicago-area database, with a Default Fit Score of 7.8% — 13.1 points below the pool average of 20.9%. Scores recompute nightly from public data under our published methodology; no provider pays to be ranked.
Its public review footprint spans 51 client reviews averaging 4.7/5: Google 4.7/5 (51 reviews). Employees rate the firm Indeed 4.0/5 (2 reviews) — employee sentiment feeds the score because it predicts service stability.
We have not recorded any security certifications or frameworks for this firm. We track 1 office location for it in the Chicago area, from Google Places.
Public Criteria Attainment
Scored on 4 public criteria. Sign in to see all 10.
CSI Tech Reviews by Source
Employee Review Sources
Employee Role Analysis
Proactive vs. reactive employee role mix based on workforce composition data.
0 proactive, 4 reactive
Strengths
- + 4.7 avg client rating — Google
- + Listed on 4 industry directories — Clutch, Indeed, Manifest, Glassdoor
Weaknesses
- - Client reviews on a single platform only — Google
- - No client reviews in the past 12 months
- - No security certifications found
Recent Activity
Data changes from the last 90 days
Sep 10, 2026
Sep 9, 2026
Sep 2, 2026
Sep 1, 2026
Aug 19, 2026
Frequently Asked Questions
How is CSI Tech rated by clients?
CSI Tech averages 4.7/5 across 51 public client reviews from Google. We aggregate these nightly and weight them with Bayesian averaging so a handful of reviews can't dominate the score.
Does CSI Tech hold security certifications?
We have not recorded security certifications for CSI Tech from its website, vendor feed, or public registries.
Where is CSI Tech located?
CSI Tech is based in 850 E Oak St, Lake in the Hills, IL 60156, USA. Our rankings cover IT providers serving the Chicago metro area.
How does CSI Tech compare to other Chicago MSPs?
CSI Tech ranks #84 of 94 scored providers in our database under default weights. Use the comparison links on this page for side-by-side breakdowns, or run a custom evaluation to weight all 10 criteria for your own priorities.
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For CSI Tech: show off your ranking
This firm has earned a Ranked & Reviewed badge in our current rankings. If you work at CSI Tech, you can embed it on your website — it links back to this profile and updates automatically as rankings change.
<a href="https://itsupportchicago.net/vendors/csi-tech?utm_source=badge&utm_medium=embed" title="CSI Tech on IT Support Chicago"><img src="https://itsupportchicago.net/api/badge/csi-tech" alt="CSI Tech — Ranked & Reviewed on IT Support Chicago (2026)" width="220" height="64" loading="lazy"></a>
Usage: link only to your own profile page, keep the current tier, and remove the badge if delisted. Google's guidelines recommend adding rel="nofollow" to embedded badges — that's fine with us. Full terms: itsupportchicago.net/badge.
Data last updated: 9/11/2026. Report an issue