B BROCENT

underpinning contract

Cover image for Brocent IT blog post: SLA vs OLA vs UC: How the Three Agreements Fit Together in Outsourced IT

October 30, 2026 | 13 min

SLA vs OLA vs UC: How the Three Agreements Fit Together in Outsourced IT

SLA vs OLA explained, plus the underpinning contract (UC): who signs each, what each promises, and how they stack up when IT support is outsourced.