They provide IT advisory and consultancy services, including application and database development, website design and development, hosting services for applications, QuickBooks, and Sharepoint, as well as cloud services, virtualization, email/spam protection, IT counseling, and Voice Over IP/Phone solutions. Some of their notable clients include All County Bus, Katon Direct, Katz & Associates, The Friedlander Group, and Make-A-Wish Hudson Valley. Tarrytech Computer Consultants is known for their expertise in troubleshooting, hardware installation and support, virus and spyware removal and protection, server installations and upgrades, disaster recovery consulting, and cloud server hosting services. They also offer IT support solutions such as network security, virtualization, and cloud computing.