U.S. General Services Administration
Acquisition Support
GSA's professional services portfolio provides a full range of acquisition services. From training to scope reviews, statement of work development to contracting support services, we are committed to helping you find the contract solution you need for your professional services acquisition. Below are some quick references.
- Scope Reviews
- GSA Schedule Resources
- PS-MAS SIN Table
- Contract Support
- PSS Ordering Guides
- OASIS Ordering Guide
Scope Reviews
We offers a scope review capability that analyzes the scope of your task order requirement. This service can help reduce the risk of protest and a benefit of working with GSA.
- For OASIS Scope Reviews follow these instructions; and
- For Professional Services Schedule (PSS) Scope Reviews and support email professionalservices@gsa.gov.
Schedules Resources
This GSA.gov reference address who can buy from GSA Schedules, what can be bought from Schedules, and how to buy from Schedules. In addition, these reference guides are excellent resources:
- GSA Schedules Ordering Guide - Quick Reference
- Multiple Award Schedules Desk Reference (Winter 2019)
- GSA Multipe Award Schedules Quick Reference Slip Sheet
- State and Local Disaster Purchasing Guide for Professional Services [PDF - 132 KB] (April 2020)
Contract Closeout Quick Reference guide
Use the Contract Closeout Quick Reference Guide [PDF - 173 KB] for contract closeout best practices and recommendations.
FSS Award and Order Checklists
| Award and Order Topic | Checklist |
| How to issue an FSS order for Professional Services | FSS Order Checklist [PDF - 237 KB] |
| How to issue an order under an established FSS BPA for Professional Services | FSS BPA Order Checklist [PDF - 237 KB] |
| How to establish a multiple-award FSS BPA for Professional Services | FSS Multiple Award BPA Establishment Checklist [PDF - 238 KB] |
| How to establish a single- award FSS BPA for Professional Services | FSS Single Award BPA Establishment Checklist [PDF - 246 KB] |
PS-MAS Old SIN to New SIN/ NAICS Code Crosswalk Table
Download the Official PS-MAS Old SIN to New SIN/NAICS Code Crosswalk Table [XLSX - 93 KB] where you will find the new SINs associated with PS-MAS Catalog H (00CORP) for making your offer.
The above Crosswalk Table has been excerpted from the Available Offerings and Requirements webpage. Select the Available Offerings Attachment [XLSX - 701 KB] to view the "Legacy Schedule SIN to Consolidated" tab.
Get Contract Support
Our team can also help with:
- Requirement Analysis;
- Market Research;
- Acquisition Planning and Strategy Execution; and
- Project Management / COR Support.
Email us at professionalservices@gsa.gov
PSS Ordering Guides & Other Guidance
Access these ordering guides and guidance to help with your acquisition.
| SIN | NAICS | Document Name | SIN Name |
|---|---|---|---|
| 520 7 | 541211 | Financial & Performance Audits | |
| 541 4D | 561920 |
Guidance when using Other Direct Costs in |
Conferences, Events, and Trade Show Planning Services |
| 874 6 | 541611 | Acquisition Support Services Ordering Guide | Acquisition Management Support |
| 874 6 | 541611 | Notice regarding prohibition of inherently governmental services | Acquisition Management Support |
| 874 6 | 541611 | Importance of Training for Acquisition Personnel | Acquisition Management Support |
| 874 6 | 541611 | Sample non-disclosure Statement | Acquisition Management Support |
| 874 6 | 541611 | Same Request for Quote Template | Acquisition Management Support |
| 874 8 | 611430 | Acquisition Workforce Training Ordering Guide |
DAU and FAI Certified DAWIA and FAC Acquisition Workforce Training |
| 871 2 |
541330 54711 54712 |
Concept Development | |
| 871 7 |
236220 541330 |
Implementation Guide |
Construction Management and Engineering Consulting Services Related to Real Property |
OASIS Ordering Guide
The OASIS Unrestricted, OASIS SB and OASIS 8(a) Master Contract will help your agency acquire professional services for integrated solutions more efficiently and economically.