Addx holds the GSA One Acquisition Solution for Integrated Services (OASIS) Small Business (SB) (GS00Q14OADS201) Pool 2 Financial Solutions contract vehicle to provide the full range of services defined by the NAICS detailed below.


North American Industry Classification System (NAICS) Code

541211 Offices of Certified Public Accountants

541213 Tax Preparation Services

541214 Payroll Services

541219 Other Accounting Services

541720 Research and Development in the Social Sciences and Humanities


General Areas of Support

1. Budget Analysis and Tracking

2. Business Information Services

3. Cost Estimating and Analysis Support

4. Cost Performance Risk Assessments

5. Disbursement and Reconciliation Support

6. Financial and Financial Risk Analysis

7. Financial Management, Accounting, and Auditing Services

8. Impact Statement Development

9. Program Management for Financial Services

10. Program Objective Memorandum (POM) Creation And Documentation

11. Oversight and Fraud Detection

12. Safeguarding Personal Data

13. Loan Management

14. Grant Management

15. Economic Analysis

16. Return on Investment Analysis

17. Life Cycle Cost Determination

18. Total Ownership Cost Determination

19. Affordability Analysis

20. Analysis of Cost Alternatives

21. Should-Cost Determinations


OASIS Corporate Points of Contact:

John Millward

Corporate OASIS SB Program Manager

VP, Corporate Capture

703-933-7637 x223


Larry Bradley

VP, National Security Market and Navy Accounts

703-933-7637 x 278



DUNS Number: 039872622


Click HERE for an overview of the OASIS SB program

Click HERE for an Addx OASIS SB Pool 2 Financial Solutions brochure

Click HERE to see the contract

Click HERE to visit GSA's OASIS website




Addx Corporation

4825 Mark Center Drive

Suite 300

Alexandria, VA 22311

Office: (703) 933-7637

Fax: (703) 933-7638

Addx Corporation

Mark Center Drive • Suite 300
Alexandria, VA 22311

Office: (703) 933-7637

Fax: (703) 933-7638