Williams, Adley & Company DC LLP
Washington, DC
- UEI
- SMRMCY16TLL8
- CAGE
- 1ZFQ9
- Primary NAICS
- 541211 Offices of Certified Public Accountants
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Partnership or Limited Liability Partnership
- NAICS codes registered in SAM.gov
-
- 541211 Offices of Certified Public Accountants Primary
- 522310 Mortgage and Nonmortgage Loan Brokers
- 541214 Payroll Services
- 541219 Other Accounting Services
- 541511 Custom Computer Programming Services
- 541512 Computer Systems Design Services
- 541519 Other Computer Related Services
- 541611 Administrative Management and General Management Consulting Services
- SAM.gov registration date
- Physical address
- 1016 16th St NW #400, Washington, DC 20036, USA
- Website
- williamsadley.com
- Founded
- 1982
- Employees
- 51-250
- Estimated annual revenue
- $10M-$50M
- Industry
-
- Financials
- Diversified Financial Services
- Accounting
- SIC code
- 87 Engineering & Management Services
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| CUI program evaluation | Commodity Futures Trading Commission | $169,724 | |
| Cftc OIG AI audit support services | Commodity Futures Trading Commission | $169,708 | |
| Turkiye agreed upon procedures | United States Trade and Development Agency | $64,273 | |
| Contract no. Dcsc-26-SAS-104 with | — | $250,000 | |
| Federal information security modernization act of 2014, SEC. 2(d) | Office of the Inspector General | $649,825 |
About Williams, Adley & Company DC LLP
Williams, Adley & Company DC LLP is a minority-owned, small disadvantaged business located in Washington, D.C. that specializes in providing professional services to federal government agencies, with a primary focus on accounting, auditing, financial management, and consulting. The firm offers a comprehensive range of services including financial statement audits, performance audits, risk assessments, compliance reviews, and advisory support across multiple sectors of the federal government. While specific details about the firm's founding and complete corporate history are not provided, the company has established itself as a trusted contractor with extensive experience delivering specialized professional services to civilian and defense agencies.
The firm has secured numerous federal contract awards across a diverse range of agencies, providing services such as FISMA (Federal Information Security Modernization Act) audits, financial statement audits, data act audits, performance audits, and compliance reviews. Contract awards have been received from agencies including the Environmental Protection Agency, Department of Housing and Urban Development, Small Business Administration, Department of Homeland Security, Peace Corps, National Endowment for the Humanities, Commodity Futures Trading Commission, and U.S. Agency for International Development. Many of these contracts have been awarded under the Multiple Award Schedule (MAS) contract vehicle, with some set aside for small businesses. The contract values range significantly, from around $30,000 to over $25 million, covering services like reviewing drug control funds, assessing information security programs, conducting financial audits of various government programs, and providing risk oversight for loan programs.
Williams, Adley & Company DC LLP has secured several significant Indefinite Delivery Vehicles (IDVs), including Blanket Purchase Agreements (BPAs) with multiple federal agencies. Notable IDVs include a $150 million BPA with the Office of the Assistant Secretary for Administration, a $13 million BPA with the Department of Health and Human Services for Provider Relief Bureau audit services, a $7.1 million BPA with the Department of Homeland Security Office of Inspector General, a $106 million BPA with the Defense Finance and Accounting Service for SSAE 18 examinations and financial statement audits, and a $15 million BPA with the U.S. Army for financial auditing services. These IDVs primarily utilize the Multiple Award Schedule (MAS) contract vehicle and cover a wide range of services including financial audits, performance audits, risk assessments, and compliance reviews across civilian and defense agencies, demonstrating the firm's broad capabilities in supporting federal government financial management and oversight initiatives.
Contract vehicles
- Financial and Business Solutions - LEGACY
- Mission Oriented Business Integrated Services
- Multiple Award Schedule
- Office Of Finance Accounting And Financial Management Services Support
- OUSD Comptroller Mission Support
- The Professional Services Schedule
- DOL Financial Services
- One Acquisition Solution for Integrated Services - Small Business
- SSAE 18 Examinations, Agreed Upon Procedures Engagements, and Financial Statement Audits
- USAID Financial Audit Services BOA
Quick answers
What is Williams, Adley & Company DC LLP's UEI?
Williams, Adley & Company DC LLP's Unique Entity ID (UEI) in SAM.gov is SMRMCY16TLL8.
What is Williams, Adley & Company DC LLP's CAGE code?
Williams, Adley & Company DC LLP's CAGE code is 1ZFQ9.
What is Williams, Adley & Company DC LLP's primary NAICS code?
Williams, Adley & Company DC LLP's primary NAICS code is 541211 (Offices of Certified Public Accountants).
Where is Williams, Adley & Company DC LLP located?
Williams, Adley & Company DC LLP's physical address in SAM.gov is 1016 16th St NW #400, Washington, DC 20036, USA.
Is Williams, Adley & Company DC LLP registered in SAM.gov?
Yes. Williams, Adley & Company DC LLP's SAM.gov registration is active through June 25, 2027.
Which contract vehicles does Williams, Adley & Company DC LLP hold?
Williams, Adley & Company DC LLP holds a place on 10 federal contract vehicles, including FABS, MOBIS and MAS.
What is Williams, Adley & Company DC LLP's most recent federal award?
Williams, Adley & Company DC LLP's most recent federal contract award is CUI program evaluation (9523ZY26F0063), from Commodity Futures Trading Commission, on September 30, 2026.
On GovTribe
See Williams, Adley & Company DC LLP's full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Funding analysis by agency, NAICS and set-aside
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