August 19, 2026: Amendment 01 is posted the CSO. The amendment removes the following sentence from the CSO: Specifically identify the Individual Program Requirement Notice for which the proposal is submitted.

The Defense Health Agency Contracting Activity (DHACA), on behalf of the Program Executive Office, Defense Healthcare Management Systems (PEO DHMS), is issuing a Commercial Solutions Opening (CSO) for Enterprise Support Services (ESS) Next.

This CSO will remain open until August 20, 2026,1500 CST. If necessary, the Government may make updates to this posting.

Proprietary information may be submitted; however, respondents are responsible for adequately marking proprietary, restricted or competition sensitive information contained in their response. If a submission is marked, it will be protected from disclosure outside of Government personnel, unless permission is granted for Government support contractors to view the material.

The following companies and individual employees are bound contractually by Organizational Conflict of Interest and disclosure clauses with respect to proprietary information, and they will take all reasonable action necessary to preclude unauthorized use or disclosure of a respondent's proprietary data.

• Boston Consulting Group (BCG)


• Andrew Morgan, LLC

Submission under this CSO will constitute a grant of authority by the submitting company to the Government to allow the use of non-Government advisors to participate in review of all phases of the CSO. If your company has any concerns with support contractors accessing proprietary information, please contact the POC's in advance of submission.