About Onsite Computer Consulting
Onsite Computer Consulting Services, known as OCCSI, provides managed IT to Columbia businesses, with remote support running 24/7/365 and onsite IT support available. Technicians are put on an issue within 15 minutes, with an average resolution time of 29.5 minutes. Security work includes 24/7 monitoring, SIEM support, firewall management, penetration testing, endpoint protection and anti-phishing training, and compliance help covers HIPAA, PCI and NIST. Other services include backup and disaster recovery, server administration, vCIO services with IT budgeting and strategy, and Microsoft work covering Microsoft 365, Azure and cloud migration. Rated 5.0 from 5 Google reviews, all five stars.
Services and details
Managed IT services
Yes24/7 help desk
YesStated response time
YesOn-site support
YesManaged cybersecurity
YesCompliance support
YesBackup and disaster recovery
YesMicrosoft 365 and cloud
YesIT planning (vCIO)
YesNamed industries
Yes
No information yet on co-managed IT, flat-rate pricing, no long-term contract. The website did not say; call and ask.
Contact
- (573) 240-8221
- 303 N Stadium Blvd Unit No. 201, Columbia, MO 65203
- Website
- View on Google Maps
Hours
- Monday
- Open 24 hours
- Tuesday
- Open 24 hours
- Wednesday
- Open 24 hours
- Thursday
- Open 24 hours
- Friday
- Open 24 hours
- Saturday
- Open 24 hours
- Sunday
- Open 24 hours
Listing compiled from public sources on 2026-11-11. Report a correction or request removal. Back to managed IT providers in Columbia.