Keystone Advisors LLC

South Holland, IL

UEI
C3G1S3D7NH81
CAGE
5CAW7
Primary NAICS
541211 Offices of Certified Public Accountants
SAM.gov registration
Active through

Company facts

SBA certifications
HUBZone Firm
· Current
Women-Owned Small Business
· Current
Self-certified in SAM.gov
  • Minority Owned Business
  • Self Certified Small Disadvantaged Business
  • For Profit Organization
  • Joint Venture Women Owned Small Business
  • Woman Owned Small Business
  • Woman Owned Business
  • Limited Liability Company
  • Manufacturer of Goods
  • Black American Owned
Entity structure
Partnership or Limited Liability Partnership
NAICS codes registered in SAM.gov
Show all
SAM.gov registration date
Physical address
16000 Van Drunen Rd, South Holland, IL 60473, USA
Website
keystoneadv.com
Founded
2008
Employees
11-50
Estimated annual revenue
$1M-$10M
Industry
  1. Financials
  2. Diversified Financial Services
  3. Accounting
SIC code
87 Engineering & Management Services
Profiles

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .

Recent federal awards

Keystone Advisors LLC's 5 most recent federal contract and grant awards, newest first. Amounts are dollars obligated.
Award Agency Obligated Awarded
Title: ageo accounting services requestor: joseph e pegues REF award/BPA: 15DDHQ23A00000026 POP dates: 02/01/2025 to… Contract · 15DDHQ25F00000129 Drug Enforcement Administration $135,591
Senior principal accountant POP 9/1/2024 - 1/31/2025 BPA 15DDHQ23A00000026 Contract · 15DDHQ24F00000767 Drug Enforcement Administration $99,714
Senior principal account CPA services for ageo's 15DDHQ23A00000026 Contract · 15DDHQ23F00001077 Drug Enforcement Administration $234,628
Services Contract · 15F06722F0001735 Headquarters Division $3,401,245
Audit liaison support for accounting and technology section Contract · 15F06722F0001707 Headquarters Division $1,459,422

About Keystone Advisors LLC

Keystone Advisors LLC is a South Holland, Illinois-based small business certified as an Economically Disadvantaged Women-Owned Small Business (EDWOSB), HUBZone firm, and Women-Owned Small Business. The company specializes in providing professional services to federal government agencies, with a primary focus on accounting, financial analysis, auditing, and administrative support. Keystone Advisors leverages its multiple small business certifications to compete for federal contracts across various agencies, demonstrating a versatile capability to support government financial and operational needs.

The company has provided a wide range of services through federal contract awards, including senior principal accountant services, financial reporting, budget execution, appropriations stewardship, audit liaison support, and information receptionist services. Notable contract awards have come from agencies such as the Drug Enforcement Administration (DEA), Federal Bureau of Investigation (FBI), U.S. Attorney's Offices, and the Department of the Army's Joint Munitions Command. Keystone Advisors has also performed specialized manufacturing tasks like foam packaging assembly and collar tube production. The firm has secured both prime and subcontractor roles, working with major consulting firms like Deloitte, KPMG, and Booz Allen Hamilton, and has received contracts with various set-aside designations, including total small business, HUBZone, and women-owned small business categories.

Keystone Advisors holds multiple significant Indefinite Delivery Contract (IDV) vehicles, most notably three OASIS+ contracts with the General Services Administration: a Total Small Business set-aside, a Women-Owned Small Business set-aside, and a HUBZone set-aside, each with a massive potential ceiling value of $999,999,999,999. Additionally, the company has a $963,355 Blanket Purchase Agreement with the DEA for independent public accountant services and a $500 million BPA with the DOJ Headquarters Division for administrative and professional support services. These IDVs allow Keystone Advisors to deliver specialized audit, accounting, budgetary, and analytical services across multiple federal agencies, with contract periods typically ranging from 5-7 years and covering domains including management advisory, technical services, research and development, and financial analysis.

Contract vehicles

SBA capabilities narrative

Keystone Advisors, LLC. (Keystone) is a Certified Public Accounting (CPA) Firm that provides a wide range Audit, Accounting and Advisory Services in the areas of Management, Organizational and Business Improvement, Financial Analysis, Audit, Audit Readiness, Budget Execution and Reporting Support, Program Management, incurred cost audit and analysis and OMB A-123 internal control reviews to both government (federal and local), manufacturing and commercial clients. We also offer staff augmentation services for both long term and short term contract and temporary staff requirements. Established in 2008, our principals have over 30 years' experience.

Quick answers

What is Keystone Advisors LLC's UEI?

Keystone Advisors LLC's Unique Entity ID (UEI) in SAM.gov is C3G1S3D7NH81.

What is Keystone Advisors LLC's CAGE code?

Keystone Advisors LLC's CAGE code is 5CAW7.

What is Keystone Advisors LLC's primary NAICS code?

Keystone Advisors LLC's primary NAICS code is 541211 (Offices of Certified Public Accountants).

Where is Keystone Advisors LLC located?

Keystone Advisors LLC's physical address in SAM.gov is 16000 Van Drunen Rd, South Holland, IL 60473, USA.

Is Keystone Advisors LLC registered in SAM.gov?

Yes. Keystone Advisors LLC's SAM.gov registration is active through March 28, 2027.

Which SBA certifications does Keystone Advisors LLC hold?

Keystone Advisors LLC holds HUBZone Firm and Women-Owned Small Business certifications from the SBA.

Which contract vehicles does Keystone Advisors LLC hold?

Keystone Advisors LLC holds a place on 8 federal contract vehicles, including Administrative and Professional Support Services, MAS and OASIS+ HUBZone Small Business IDIQ.

What is Keystone Advisors LLC's most recent federal award?

Keystone Advisors LLC's most recent federal contract award is Title: ageo accounting services requestor: joseph e pegues REF award/BPA: 15DDHQ23A00000026 POP dates: 02/01/2025 to… (15DDHQ25F00000129), from Drug Enforcement Administration, on February 1, 2025.

On GovTribe

See Keystone Advisors LLC's full federal record

  • Federal contract awards
  • IDV awards
  • Contract vehicles
  • Subcontracting relationships
  • Funding analysis by agency, NAICS and set-aside
  • Similar vendors