Xerillion
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
★ 4.8 (31 reviews across 1 source)
IT managed services and technology consulting.
Last updated: September 10, 2026
Our Assessment
Xerillion currently ranks #63 of 94 active, scored IT providers in our Chicago-area database, with a Default Fit Score of 13.8% — 7.1 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 31 client reviews averaging 4.8/5: Google 4.8/5 (31 reviews). Employees rate the firm Glassdoor 4.3/5 (20 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.
Xerillion Reviews by Source
Employee Review Sources
Strengths
- + 4.8 avg client rating — Google
- + Above-average employee satisfaction (4.3) — Glassdoor
- + Listed on 4 industry directories — Clutch, Indeed, Manifest, Glassdoor
- + Serves Healthcare, Finance, Legal, Nonprofit +3 more verticals — vendor website (claimed)
- + Offers Fully Managed, vCIO, Help Desk services — vendor website (claimed)
Weaknesses
- - Limited client review volume (31 reviews) — Google
- - Client reviews on a single platform only — Google
- - No client reviews in the past 12 months
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 Xerillion rated by clients?
Xerillion averages 4.8/5 across 31 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 Xerillion hold security certifications?
We have not recorded security certifications for Xerillion from its website, vendor feed, or public registries.
Where is Xerillion located?
Xerillion is based in Chicago, IL. Our rankings cover IT providers serving the Chicago metro area.
How does Xerillion compare to other Chicago MSPs?
Xerillion ranks #63 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 Xerillion: show off your ranking
This firm has earned a Ranked & Reviewed badge in our current rankings. If you work at Xerillion, 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/xerillion?utm_source=badge&utm_medium=embed" title="Xerillion on IT Support Chicago"><img src="https://itsupportchicago.net/api/badge/xerillion" alt="Xerillion — 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