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Keystone Advisors GSA Professional Services Schedule (PSS)  # GS-23F-0005X 

Our GSA Schedule offerings include:

  • Auditing Services (SIN 541211).

  • Payroll Services (SIN 541214).

  • Budget and Financial Management Services (SIN 541219); and

  • Management and Financial Consulting, Acquisition and Grants Management Support, and Business Program and Project Management Services (SIN 541611).


How to place an order against our GSA Schedule:

GSA provides a streamlined, efficient process for ordering the services you need. GSA has already determined that Keystone Advisors, LLC. meets the technical requirements and that our prices offered are fair and reasonable. Agencies may use written orders, facsimile orders, credit card orders, blanket purchase agreement orders or individual purchase orders under this contract.  

If it is determined that your agency needs an outside source to provide MAS services, follow these simple steps:

  1. Develop a Statement of Work (SOW)

  2. Select a Contractor and Place an Order – If the order is below the micro-purchase threshold (MOT)

  3. Prepare a Request for Quote (FRQ) – If the order exceeds the MOT

  4. Provide the RFQ to at least three firms

  5. Evaluate offers, select the best value firm, and place the order


Contracts Manager
Keith Hasty


Contracts Representative
Elizabeth Holman

Department of Justice (DOJ) , Federal Bureau of Investigation (FBI), Administrative and Professional Support Services (APSS) Blanket Purchase Agreement (BPA) 15F60722A0000177 

The scope of this BPA is to provide support services for a full range of strategic and tactical day-to-day professional and administrative services that are required to support on-going and future FBI operations and management initiatives. Services include:

  • Financial Management

  • Strategic Management and Planning

  • Program Management

  • Organization Transformation and Workforce Development

  • Change Management Communications and Training

  • Category Management and Strategic Sourcing

  • Operational Support

  • Data Analysis

  • Policy and Governance Development, Implementation, and Maintenance

  • Business Process Analysis – including Business Process Transition

  • Performance and Process Improvement

  • Administrative Support


BPA Program/Contract Manager

Stan Wood



SeaPort-NXG Contract # N00178-15-D-8291

SeaPort-NXG is the Navy’s electronic platform for acquiring support services in 22 functional areas including Engineering, Financial Management, and Program Management. The Navy Systems Commands (NAVSEA, NAVAIR, SPAWAR, NAVFAC, and NAVSUP), the Office of Naval Research, the United States Marine Corps, and the Defense Threat Reduction Agency (DTRA) use this vehicle to contract for their service requirements.

Keystone is qualified to support all 22 functional areas in all 7 geographic zones defined by the contract. We have a robust team of large and small businesses that enhances our internal capabilities and provide additional expertise.

The Navy Seaport-e Web Site is


Points of Contact

The following people may be contacted for any questions about the Leidos Seaport-e vehicle, including general information on our contract, customer satisfaction, and how companies can join our team.


Contracts Manager
Keith Hasty


Contracts Representative
Elizabeth Holman


GSA Schedule Contract GS-23F-0005X Keystone Advisors
SeaPort-NXG Contract # N00178-15-D-8291

Join Forces with a Steadfast Partner

We work tirelessly to earn our client's trust and mutual respect - to build a solid foundation for long-term collaboration.  We seek a level of partnership that goes beyond a transactional relationship - it is a commitment to understanding your needs, providing exceptional value, and evolving together. 

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