# SAM #OST-693JK425F55007N

DOT justification for a six-month extension of Guidehouse internal control services

**Buyer:** Office of the Secretary of Transportation
**Posted:** October 02, 2026
**Identifier:** OST-693JK425F55007N
**NAICS:** 541611

The U.S. Department of Transportation is justifying a six-month extension of Guidehouse Inc.’s internal control services contract while it prepares a competitive procurement.
- **Action:** Limited-sources justification for Modification 2 to contract 693JJ625A000001, associated with delivery order 693JK425F55007N.
- **Agency:** DOT, Office of the Secretary (OST), Acquisitions Services Division.
- **Incumbent contractor:** Guidehouse Inc.
- **Services:** Support for OMB Circular A-123 and the Federal Managers’ Financial Integrity Act (FMFIA), including FY 2026 DATA Act subrecipient reporting procedures, improper payment and fraud risk assessments, and FY 2027 A-123 reporting tasks.
- **Period:** Extension from September 26, 2026, through March 25, 2027—approximately six months. The total award period is September 26, 2025, through March 25, 2027.
- **Value:** The modification is estimated at $717,810; $723,086 is to be funded at this time. The total estimated award value is $1,440,896.
- **Rationale:** The extension is intended to prevent delays to compliance work while OST prepares a competitive procurement.
- **Products and quantities:** No product line items or product quantities are identified.

### Description

<p>This Limited Sources Justification is prepared in accordance with RFO FAR 43.302- and complies with the requirements of GSAM - procedures and approval requirements for Sole Source Justifications GSAM 538.7104-3(b)(2).</p>

<p>The authorization is for a contract modification to extend for a term of approximately 6 months. Period of Performance: from September 26, 2026, to March 25, 2027.</p>

[View original listing](https://sam.gov/opp/d35ff1f04a804d36b0a1902472bb067c/view)