A Northbrook firm founded in 1993 with about 70 staff, working to the NIST Cybersecurity Framework and covering transportation and logistics alongside legal, accounting and healthcare for Des Plaines businesses.
GCS is a managed IT services provider based in Northbrook, IL (serves Des Plaines), operating since 1993. Across 3 verified Google reviews it averages 5.0 out of 5, a public track record you can weigh during diligence. It focuses on Managed IT Services, Cybersecurity & Threat Protection, Cloud Services & Migration, Compliance & Risk Management. Compare it against other Des Plaines managed IT providers, then request a quote.
Also known as Great Computer Solutions (GCS / GreatSys)
GCS is a managed IT services provider based in Northbrook, IL, delivering managed IT, cybersecurity and cloud to small and mid-size businesses across Cook County and the northwest suburbs. The firm supports both fully managed IT and co-managed IT for companies that already have internal staff.
It holds a 5-star rating across 3 verified Google reviews. Des Plaines sits on O'Hare's northwest edge inside Cook County, whose concentration runs to management consulting and finance rather than technology, with a freight and logistics base shaped by the airport and a settled, homeowning small-business community; GCS differentiates through a Northbrook firm founded in 1993 with about 70 staff, working to the NIST Cybersecurity Framework and covering transportation and logistics alongside legal, accounting and healthcare.
Core services span managed IT, cybersecurity and threat protection, Microsoft 365 and cloud, network management, backup and disaster recovery, and IT strategy. Typical clients are Des Plaines-area organizations in professional services and manufacturing & distribution that want 24/7 IT support and predictable monthly costs from a single accountable partner.
A 5-star Google rating across 3 verified reviews is a strong, public signal of consistent delivery. For a Des Plaines business doing diligence, that track record matters more than marketing claims.
Based in the Northbrook, IL area, GCS can dispatch on-site across Des Plaines and the wider Cook County and the northwest suburbs market while resolving most issues remotely.
GCS differentiates through a Northbrook firm founded in 1993 with about 70 staff, working to the NIST Cybersecurity Framework and covering transportation and logistics alongside legal, accounting and healthcare. Engagements cover 24/7 monitoring, help desk support, backup and disaster recovery, and IT strategy as a predictable monthly service.
GCS lists 2 offices. Choose one to see it on the map.
What do GCS reviews say?
Across 3 verified Google reviews, GCS averages 5.0 out of 5. Weigh that public track record alongside a direct quote.
Which IT services does GCS provide?
GCS delivers Managed IT Services, Cybersecurity & Threat Protection, Cloud Services & Migration, Compliance & Risk Management to organizations across Des Plaines, IL.
What area does GCS serve?
GCS is based in Northbrook, IL (serves Des Plaines) and supports businesses across Des Plaines and the greater metro area.
When did GCS start?
GCS has been operating since 1993.
Is GCS certified?
GCS carries Managed IT Services, Cybersecurity, Cloud & Microsoft 365, Backup & Recovery.