01 / Contract Profile
W91WFU24F0045 Federal Contract Award
Agency code 2100
COMPLIANCE ADVISORY SERVICES(ADDITIONAL)
02 / Contract Size and Status
What is the recorded size and timing of this contract?
03 / Spending Trend
W91WFU24F0045 contract spending by fiscal year
Annual net obligations across the complete period available for this agency and PIID, from the first recorded fiscal year through the latest contract action.
| Fiscal year | Net obligations | Actions | Change |
|---|---|---|---|
| FY 2024 | $238.3K | 3 | — |
| FY 2025 | $0 | 1 | −100.0% |
04 / Federal Buyer
Which organization manages this contract?
| Department | Contracting agency | Contracting office |
|---|---|---|
| DEPT OF DEFENSE | DEPT OF THE ARMY | 0409 AQ HQ CONTRACT |
05 / Contractor
Who holds this federal contract?
TETRA TECH INTERNATIONAL, INC., ZWEIGNIEDERLASSUNG DEUTSCHLAND
UEI F8QJBG53AQQ7 · CAGE CB843
06 / NAICS Industries
Which industries classify this contract?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| 541620 | ENVIRONMENTAL CONSULTING SERVICES | $238.3K | 4 | 100.0% |
07 / Products and Services
What products or services were purchased?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| B510 | SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS | $238.3K | 4 | 100.0% |
08 / Place of Performance
Where is the work recorded?
GERMANY
09 / Contract Actions
What modifications and obligations were recorded?
| Signed date | Modification | Obligation | Contracting office | NAICS | PSC |
|---|---|---|---|---|---|
| Jul 9, 2025 | P00003 | $0 | 0409 AQ HQ CONTRACTOffice code W91WFU | 541620 | B510 |
| Sep 27, 2024 | P00002 | $114.4K | 0409 AQ HQ CONTRACTOffice code W91WFU | 541620 | B510 |
| Sep 14, 2024 | P00001 | $1.2K | 0409 AQ HQ CONTRACTOffice code W91WFU | 541620 | B510 |
| Aug 29, 2024 | Base action | $122.8K | 0409 AQ HQ CONTRACTOffice code W91WFU | 541620 | B510 |
10 / Reading the Contract
How should this award record be interpreted?
Read the PIID as a transaction history, not as a single purchase price. Net obligations combine the base action with later increases, reductions, corrections, and deobligations recorded under the same contract.
Verify the buyer
Agency and office identify who manages the procurement relationship.
Follow modifications
Each action can change funding, scope, dates, or administrative terms.
Compare the market
Use NAICS, PSC, and the contractor profile to identify related buyers and competitors.