MSA
MSA is the acronym for Master Services Agreement.

Master Services Agreement
A contract that is agreed upon between two parties that legally defines the relationship, terms, ownership of intellectual property, and other details associated with the engagement. Generally, a master services agreement provides expectations on what each party must do to honor their side of the agreement. The goal of a master services agreement is to make the contract process faster and simplify future contract processes.
- Abbreviation: MSA
- Source: What is a Master Services Agreement?