---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-089328"
form_type: "8-K"
ticker: "TTEK"
cik: "0000831641"
company_name: "TETRA TECH INC"
filed_at: "2023-08-09T23:59:59+00:00"
generated_at: "2026-06-11T23:54:19.865132+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Tetra Tech reports record Q3 revenue $1.21B, up 36% YoY; raises FY23 guidance

## Summary
- Record net revenue $988M (+37% YoY); EBITDA $119M (+33% YoY); backlog $4.39B (+25% YoY).
- Adjusted EPS $1.29, up 19% YoY; cash from ops $133M, up 35% YoY.
- Quarterly dividend declared $0.26/share, 13% increase YoY, payable Sep 6 to holders of record Aug 23.
- Raising FY23 net revenue and EPS guidance due to strong demand and record backlog.
- RPS integration exceeding expectations on margin expansion and revenue synergies.

## SEC filing metadata
- accession: 0001104659-23-089328
- form_type: 8-K
- ticker: TTEK
- cik: 0000831641
- company_name: TETRA TECH INC
- filed_at: 2023-08-09T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/831641/000110465923089328/0001104659-23-089328-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/831641/000110465923089328/tm2323256d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-089328
- JSON: https://secwatch.observer/filing/0001104659-23-089328.json
- Plain text: https://secwatch.observer/filing/0001104659-23-089328.txt

## Key facts
- Earnings Releases
  TETRA TECH INC reported the third fiscal quarter ended July 2, 2023 results: revenue $1.21 billion, EPS $1.12.
  - Period: the third fiscal quarter ended July 2, 2023
  - Revenue: $1.21 billion
  - EPS: $1.12
  - Result: reported results
  source text: Revenue in the third quarter totaled $1.21 billion and revenue , net of subcontractor costs (net revenue) 1 , was $988 million, up 36% and 37%, respectively, over last year. EBITDA 1 was $119 million, up 33% year-over-year. Earnings per share (“EPS”) was $1.12; adjusted EPS was $1.29, up 19% over the third quarter of fiscal 2022 1 .
  evidence_url: https://www.sec.gov/Archives/edgar/data/831641/000110465923089328/0001104659-23-089328-index.htm
- Earnings Releases
  TETRA TECH INC updated its fiscal 2023 guidance (raised).
  - Period: fiscal 2023
  - Guidance: raised
  - Result: guidance update
  source text: Based on our strong performance and record high backlog, we are increasing our net revenue and earnings per share guidance for fiscal 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/831641/000110465923089328/0001104659-23-089328-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.