Buy Services

There are several ways agencies can buy professional services through GSA.

• Access to thousands of highly qualified vendors providing a full range of professional services using the Multiple Award Schedule Program - Professional Services Category. For more information, check out this fact sheet for Buying Professional Services through GSA’s Multiple Award Schedule [PDF - 218 KB].
• One Acquisition Solution for Integrated Services + (OASIS+) is a new governmentwide, multiple-award indefinite-delivery indefinite-quantity (MA-IDIQ) multi-agency contract (MAC) program designed to address government agencies’ mission needs for a full range of service requirements that integrate multiple service disciplines and ancillary services and products.
• One Acquisition Solution for Integrated Services (OASIS) contracts provide flexible and innovative solutions for complex professional services across multiple disciplines and mission spaces.

Professional services encompasses services that are advisory, problem-solving, and intellectual in nature and require advanced subject matter knowledge including:

• Management and advisory services
• Technical and engineering services
• Research and development
• Financial services
• Business administration services
• Social services
• Marketing and public relations services
• Legal services