TETRA TECH, INC. group: subsidiaries and structure
Corporation · WILMINGTON, United States · LEI 549300UJ1LP7JGJC5P32
3subsidiaries
2countries
2held directly
1lapsed LEIs
1links on accounts older than 24 months
0ISINs of subsidiaries
Summary
TETRA TECH, INC. is the ultimate parent of 3 subsidiaries with LEIs in 2 countries, as reported to GLEIF. 2 are held directly; the others sit below intermediate companies. The largest numbers are in the United Kingdom (2) and in Canada (1). 1 of the subsidiaries has a lapsed LEI, and 1 link rests on accounts older than 24 months. GLEIF's ISIN mapping lists 5 ISINs for the parent and 0 ISINs for its subsidiaries.
Written from GLEIF data using fixed, reviewed sentence templates.
Subsidiaries by country
Data-quality notes (AssetCensus analysis)
No group-level data-quality notes in this data release.
1 subsidiaries have data-quality notes; they are listed on each company page.
Group structure
Indentation shows the direct parent reported to GLEIF.
TETRA TECH UK HOLDINGS LIMITED United Kingdom
Subsidiaries
| Company | Country | City | LEI | Accounts year | Notes |
|---|---|---|---|---|---|
| Tetra Tech Canada Holding Corporation | Canada | Vancouver | 89450022TPBWE1A6X526 | 2026 | |
| TETRA TECH INTERNATIONAL DEVELOPMENT LIMITED | United Kingdom | READING | 213800134BXHSCWFWD97 | 2024 | lapsed > 24 months |
| TETRA TECH UK HOLDINGS LIMITED | United Kingdom | READING | 549300BHAQXLXDVFVF69 | 2025 |