Flamingo Blog.

A complete 2026 guide to IT support: the 5 tiers (Tier 0 self-service through Tier 4 vendor support), the 6 delivery models (in-house, outsourced, managed, co-managed, remote, on-site), typical costs per user per month, vertical fit by industry, IT support software comparison, and a four-factor decision framework for picking the right setup.

A complete 2026 guide to what a help desk is, how it differs from a service desk, the channels and workflows behind every ticket, software options, where AI actually helps, and the KPIs worth tracking.