Computer and IT Support: Concord California

Small Business IT and Security Support

Since 1998, we provide both the products and services to make the complex world of computers and IT networks easier and more secure for our customers. Our office and repair shop are located in Central Contra Costa in Concord, California. We help individual and business clients in Concord, Pleasant Hill, Walnut Creek, Martinez, and surrounding areas with their computer security and Information Technology (IT) related needs.

Services that we provide:

  • Comprehensive security solutions including unified threat management firewalls, training, simulated phishing attacks, and anti-malware products
  • Custom built business computers, servers and other high-end (gaming) computers
  • IT support contracts
  • Virus removal and Spyware Removal
  • Data back-up and recovery solutions
  • Proactive managed IT and security support solutions
  • Local computer repair shop
  • Virtual private networks (VPN)
  • Email migration and management.
  • Cloud migration.

In addition, we provide remote and on-site service for clients in the East Bay area including Concord, Walnut Creek, Pleasant Hill, CA area.

Cantrell’s Computer Sales & Service (CCSS) also provides SMB IT support to small and mid size businesses with Same-Day Service so your business can avoid lost business due to extended down time. We are also open on Saturdays and after normal business hours.

Should a problem occur that requires a loaner computer, we are able to provide your company with business class rental computers to keep your business up and running.

Proactive business owners can sign up for an IT support and maintenance contract with advanced network security. We provide an initial needs analysis to determine what type of support you will need to save you money and increase productivity.

Contact us today at 925-827-1200 to find out more information and set an appointment.


Cantrell's Computer Sales and Service
2280 Diamond Blvd., Suite 150
Concord, California 94520

Pleasant Hill Chamber
Business Hall of Fame
2018 Inductee

Concord Chamber
2018 Inductee


By Appointment Only

Normal Appointment Hours:

Monday – Friday: 9 AM – 5 PM
Saturday: Closed
Sunday: Closed


Cantrell's Computer Sales & Service is proud to be an Intel Gold Technology Provider

Call / Text / Email:

925-827-1200 (call or text)