---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-043574"
form_type: "8-K/A"
ticker: "TTEK"
cik: "0000831641"
company_name: "TETRA TECH INC"
filed_at: "2023-04-10T23:59:59+00:00"
generated_at: "2026-06-17T04:24:07.307953+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Tetra Tech files RPS audited FY2022 financials: revenue £670.6M, net profit £4.4M

## Summary
- RPS revenue for year ended Dec 31, 2022 was £670.6M; operating profit £14.8M; net profit £4.4M.
- Auditor issued a qualified opinion due to absence of comparative financial statements for 2021.
- RPS net assets as of Dec 31, 2022: £369.7M; cash at bank £25.0M; borrowings £54.1M.
- Tetra Tech acquisition of RPS completed Jan 24, 2023; this 8-K/A adds required historical and pro forma financials.
- Pro forma combined balance sheet and income statement for FY2022 filed as Exhibit 99.2.

## SEC filing metadata
- accession: 0001104659-23-043574
- form_type: 8-K/A
- ticker: TTEK
- cik: 0000831641
- company_name: TETRA TECH INC
- filed_at: 2023-04-10T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 2.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/831641/000110465923043574/0001104659-23-043574-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/831641/000110465923043574/tm2312007d1_8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-043574
- JSON: https://secwatch.observer/filing/0001104659-23-043574.json
- Plain text: https://secwatch.observer/filing/0001104659-23-043574.txt

## Key facts
- M&A Transactions
  TETRA TECH INC completed an acquisition involving RPS Group plc (closed 2023-01-24).
  - Action: acquisition
  - Counterparty: RPS Group plc
  - Closing: 2023-01-24
  source text: on January 24, 2023, Tetra Tech, Inc., (the “Company”) completed the acquisition of RPS Group plc (“RPS”) through a United Kingdom court-approved scheme of arrangement.
  evidence_url: https://www.sec.gov/Archives/edgar/data/831641/000110465923043574/0001104659-23-043574-index.htm

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