Sentinel Technologies
Disclosure: this site is owned and operated by XL.net, a Chicago MSP that is itself ranked here. How we handle that conflict.
Chicago, IL · Website
★ 4.5 (37 reviews across 1 source, 2 locations) · 1 claimed certification
Enterprise MSP since 1982. Infrastructure, cloud, security ops, staffing. Expertise.com listed.
Last updated: September 10, 2026
Our Assessment
Sentinel Technologies currently ranks #47 of 94 active, scored IT providers in our Chicago-area database, with a Default Fit Score of 18.3% — 2.6 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 37 client reviews averaging 4.5/5: Google 4.5/5 (37 reviews). Employees rate the firm Indeed 3.2/5 (56 reviews); Glassdoor 3.7/5 (18 reviews) — employee sentiment feeds the score because it predicts service stability.
On security we record 1 claimed certification — none of it carries third-party documentation, so the security score is capped at the claims maximum. We track 2 office locations for it in the Chicago area, from Google Places.
Public Criteria Attainment
Scored on 4 public criteria. Sign in to see all 10.
Sentinel Technologies Reviews by Source
Google Reviews by Location
Employee Role Analysis
Proactive vs. reactive employee role mix based on workforce composition data.
33 proactive, 95 reactive
Security & Compliance
Strengths
- + Listed on 4 industry directories — Clutch, Indeed, Manifest, Glassdoor
- + 2 Chicago-area offices — Google
Weaknesses
- - Limited client review volume (37 reviews) — Google
- - Client reviews on a single platform only — Google
- - Below-average employee reviews (3.3) — Indeed, Glassdoor
- - Security certifications are the firm's own claim — no third-party documentation on file
- - Heavily reactive support model (74% reactive roles) — Apollo
Recent Activity
Data changes from the last 90 days
Sep 10, 2026
Sep 9, 2026
Sep 2, 2026
Sep 1, 2026
Aug 26, 2026
Frequently Asked Questions
How is Sentinel Technologies rated by clients?
Sentinel Technologies averages 4.5/5 across 37 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 Sentinel Technologies hold security certifications?
Sentinel Technologies lists 1 security framework: 1 claimed certification. None carries third-party documentation — a named issuer's document or evidence hosted off the firm's own domain — so these count as claims and are capped in the score. The Security & Compliance section above labels each one.
Where is Sentinel Technologies located?
Sentinel Technologies is based in Chicago, IL and operates 2 office locations we track. Our rankings cover IT providers serving the Chicago metro area.
How does Sentinel Technologies compare to other Chicago MSPs?
Sentinel Technologies ranks #47 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 Sentinel Technologies: show off your ranking
This firm has earned a Ranked & Reviewed badge in our current rankings. If you work at Sentinel Technologies, 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/sentinel-technologies?utm_source=badge&utm_medium=embed" title="Sentinel Technologies on IT Support Chicago"><img src="https://itsupportchicago.net/api/badge/sentinel-technologies" alt="Sentinel Technologies — 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: 9/10/2026. Report an issue