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Sebastian Abbinanti

President at The Isidore Group

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Sebastian Abbinanti is President of The Isidore Group, a Chicago, IL managed IT and cybersecurity firm working across managed and co-managed IT, cybersecurity, and Microsoft 365 and Azure.

Reviewed by Best IT MSP · Updated 2026-07-19

About Sebastian Abbinanti

Sebastian Abbinanti serves as President of The Isidore Group, a Chicago, IL provider of managed IT and cybersecurity that has delivered technology services since 2014. The firm centers its work on proactive, business-aligned IT.

With Sebastian at the helm, The Isidore Group handles cybersecurity, Microsoft 365 and Azure, cloud hosting and backup, plus both managed and co-managed IT. Its partnerships and certifications span HP, VMware, and CompTIA.

Areas of Expertise

Managed and co-managed IT
Cybersecurity
Microsoft 365 and Azure
Cloud hosting and backup
AI and compliance readiness

How This Profile Is Verified

Employment
Certifications (pending)
Thought Leadership (pending)