A structured review of how an organization currently measures up against the CMMC requirements that apply to its contracts, completed before any formal assessment.
Guidance for contractors that handle Controlled Unclassified Information and need to implement the 110 security requirements of NIST SP 800-171.
Writing and maintaining the System Security Plan, policies, and procedures that assessors review as evidence.
Ongoing monitoring, evidence collection, and maintenance that keeps a compliance program current between assessments.
These descriptions explain each service in general, not this firm's specific offering.